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Cheap flights from Boston (BOS) to Key Largo, FL from $19

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — MIA
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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The best prices from Boston Logan Intl to Key Largo are usually found in September or August, booked 26 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Boston to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 27, 2024.

Popular in

February

Cheapest in

September

Round-trip from

$208

One-way from

$19
High demand for flights, 24% potential price rise
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Best time to find cheap flights, 38% potential price drop
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From Boston Logan Intl to Key Largo
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One-way flight from Boston Logan Intl to Key Largo
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How far in advance should I book a flight from Boston to Key Largo?

Find a great deal and save up to 84% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to Key Largo within the next two weeks, with the cheapest ticket starting at $227.

What is the cheapest month to fly from Boston to Key Largo?

The best pricing can be found in the month of September. Prices to Key Largo from Boston average $246. You can even find prices in September for less than $246, as users have found deals to Key Largo from as low as $42. The month of February appears to be one of the more expensive times to travel to Key Largo from Boston. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Boston to Key Largo (BOS - KE9)?

When flying from Boston to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Spirit Airlines flights from Boston to Key Largo

Explore cheap flight options specifically provided by Spirit Airlines for the route between Boston and Key Largo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Consider these cheap Spirit Airlines flights we've found departing from Boston to Key Largo. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$45
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$52
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$53
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$54
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/156:30 amMIA - BOS
1 stop7h 52mSpirit Airlines
Deal found 4/26$56
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$57
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/85:25 amMIA - BOS
1 stop18h 30mSpirit Airlines
Deal found 4/27$59
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$62
Wed 5/810:40 amBOS - MIA
1 stop7h 52mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$65

Cheap Delta flights from Boston to Key Largo

Explore cheap flight options specifically provided by Delta for the route between Boston and Key Largo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Have a look at some of the cheapest available Delta flights departing from Boston and landing in Key Largo. Deals are refreshing constantly so come back soon for more options.
Fri 5/313:45 pmBOS - MIA
Nonstop3h 35mDelta
Wed 6/57:25 pmMIA - BOS
Nonstop3h 26mDelta
Deal found 4/26$178
Sat 6/153:20 pmBOS - MIA
Nonstop3h 40mDelta
Tue 6/1811:00 amMIA - BOS
Nonstop3h 38mDelta
Deal found 4/26$193
Wed 7/247:20 amBOS - MIA
Nonstop3h 29mDelta
Thu 8/17:55 pmMIA - BOS
Nonstop3h 31mDelta
Deal found 4/26$199
Thu 6/67:00 amBOS - MIA
Nonstop3h 35mDelta
Tue 6/117:55 pmMIA - BOS
Nonstop3h 31mDelta
Deal found 4/26$207
Tue 5/77:00 amBOS - MIA
Nonstop3h 35mDelta
Wed 5/1511:40 amMIA - BOS
Nonstop3h 25mDelta
Deal found 4/26$248

Cheap Boston to Key Largo flights in April & May 2024

Find cheap flight options from Boston to Key Largo specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 2024.
Check out some of the best flight deals from Boston to Key Largo in 2024. Check back in a little while for more flight options.
Sat 5/118:17 pmBOS - MIA
1 stop25h 08mSpirit Airlines
Tue 5/145:45 amMIA - BOS
2 stops28h 05mSpirit Airlines
Deal found 4/26$108
Thu 5/306:00 amBOS - MIA
1 stop15h 25mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/25$110
Fri 5/1010:27 pmBOS - MIA
1 stop15h 20mSpirit Airlines
Tue 5/149:01 amMIA - BOS
1 stop14h 54mSpirit Airlines
Deal found 4/26$111
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Thu 5/163:13 pmMIA - BOS
1 stop8h 42mSpirit Airlines
Deal found 4/26$113
Tue 5/79:35 pmBOS - MIA
2 stops25h 22mSpirit Airlines
Tue 5/145:45 amMIA - BOS
2 stops28h 05mSpirit Airlines
Deal found 4/26$114
Tue 5/710:16 amBOS - MIA
2 stops32h 16mSpirit Airlines
Tue 6/45:45 amMIA - BOS
2 stops28h 06mSpirit Airlines
Deal found 4/26$115
Wed 5/2910:40 amBOS - MIA
2 stops12h 17mSpirit Airlines
Sat 6/15:00 amMIA - BOS
1 stop9h 44mSpirit Airlines
Deal found 4/26$116
Sun 5/56:55 amBOS - MIA
Nonstop3h 42mSpirit Airlines
Tue 5/75:35 amMIA - BOS
Nonstop3h 31mSpirit Airlines
Deal found 4/26$117
Fri 5/311:53 pmBOS - MIA
2 stops27h 21mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$118

Boston to Key Largo 2024 flight deals

Discover exclusive flight deals for travel between Boston and Key Largo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Check out some of the best flight deals from Boston to Key Largo in 2024. Check back in a little while for more flight options.
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/27$45
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$52
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$53
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$54
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/156:30 amMIA - BOS
1 stop7h 52mSpirit Airlines
Deal found 4/26$56
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$57
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/85:25 amMIA - BOS
1 stop18h 30mSpirit Airlines
Deal found 4/27$59
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$62
Wed 5/810:40 amBOS - MIA
1 stop7h 52mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$65

Non-stop flights to Key Largo from Boston

Discover non-stop flight options from Boston to Key Largo. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
For a quicker trip, book one of these direct flights from Boston to Key Largo. Search for alternative flights from Boston to Key Largo by utilizing the search form above.
Sat 6/17:00 amBOS - MIA
Nonstop3h 35mDelta
Wed 6/57:25 pmMIA - BOS
Nonstop3h 26mDelta
Deal found 4/26$177
Fri 5/313:45 pmBOS - MIA
Nonstop3h 35mDelta
Thu 6/67:25 pmMIA - BOS
Nonstop3h 26mDelta
Deal found 4/26$178
Sat 9/217:00 amBOS - MIA
Nonstop3h 33mDelta
Sat 9/287:20 pmMIA - BOS
Nonstop3h 22mDelta
Deal found 4/26$179
Sat 5/252:30 pmBOS - MIA
Nonstop3h 30mJetBlue
Mon 6/38:55 pmMIA - BOS
Nonstop3h 23mJetBlue
Deal found 4/27$190
Tue 7/238:00 amBOS - MIA
Nonstop3h 32mJetBlue
Wed 7/2412:30 pmMIA - BOS
Nonstop3h 29mJetBlue
Deal found 4/25$191
Mon 6/104:10 pmBOS - MIA
Nonstop3h 33mJetBlue
Thu 6/1312:40 pmMIA - BOS
Nonstop3h 29mJetBlue
Deal found 4/25$192
Sat 6/153:20 pmBOS - MIA
Nonstop3h 40mDelta
Tue 6/1811:00 amMIA - BOS
Nonstop3h 38mDelta
Deal found 4/26$193
Thu 5/302:30 pmBOS - MIA
Nonstop3h 30mJetBlue
Tue 6/48:55 pmMIA - BOS
Nonstop3h 23mJetBlue
Deal found 4/27$194
Wed 7/247:20 amBOS - MIA
Nonstop3h 29mDelta
Thu 8/17:55 pmMIA - BOS
Nonstop3h 31mDelta
Deal found 4/26$199

Boston to Key Largo flights leaving soon

Find last-minute flight options from Boston to Key Largo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Have a look at some of the last-minute flights available departing from Boston to Key Largo. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/27$45
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$52
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$53
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Tue 6/45:45 amMIA - BOS
1 stop8h 59mSpirit Airlines
Deal found 4/26$54
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/156:30 amMIA - BOS
1 stop7h 52mSpirit Airlines
Deal found 4/26$56
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$57
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/85:25 amMIA - BOS
1 stop18h 30mSpirit Airlines
Deal found 4/27$59
Tue 5/711:49 amBOS - MIA
Nonstop3h 45mSpirit Airlines
Sat 5/116:05 amMIA - BOS
1 stop7h 55mSpirit Airlines
Deal found 4/26$62
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Wed 5/155:25 amMIA - BOS
1 stop18h 30mSpirit Airlines
Deal found 4/25$70

One-way flights to Key Largo from Boston

Search for one-way flight options from Boston to Key Largo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Take a look at some of the best available options we've come across on one-way flights from Boston to Key Largo. Those needing a return flight from Boston to Key Largo can use the search form above.
Tue 5/710:01 amBOS - MIA
Nonstop3h 44mSpirit Airlines
Deal found 4/26$19
Wed 5/299:20 amBOS - MIA
1 stop8h 55mSpirit Airlines
Deal found 4/26$26
Wed 5/299:20 amBOS - MIA
1 stop8h 55mSpirit Airlines
Deal found 4/26$32
Wed 5/293:35 pmBOS - MIA
1 stop7h 22mSpirit Airlines
Deal found 4/26$33
Wed 5/293:35 pmBOS - MIA
1 stop7h 22mSpirit Airlines
Deal found 4/26$34
Tue 5/146:00 amBOS - MIA
1 stop18h 18mSpirit Airlines
Deal found 4/26$39
Wed 5/89:20 amBOS - MIA
1 stop8h 55mSpirit Airlines
Deal found 4/25$43
Sat 6/16:00 amBOS - MIA
1 stop11h 14mSpirit Airlines
Deal found 4/27$48
Tue 5/79:35 pmBOS - MIA
1 stop13h 57mSpirit Airlines
Deal found 4/26$50

Find flights from Boston to Key Largo within your budget

Customize your flight search to find flights from Boston to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$45 - $177

Route

Depart

Return

Price

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 45m

Miami

Sat 5/11

1 stop7h 55m

$45

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 45m

Miami

Sat 5/11

1 stop7h 55m

$52

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 44m

Miami

Tue 6/4

1 stop8h 59m

$53

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 44m

Miami

Tue 6/4

1 stop8h 59m

$54

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 44m

Miami

Wed 5/15

1 stop7h 52m

$56

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Tue 5/7

Nonstop3h 45m

Miami

Sat 5/11

1 stop7h 55m

$57

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 5/11

1 stop11h 14m

Miami

Thu 5/16

1 stop27h 44m

$104

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Thu 5/9

1 stop8h 42m

Miami

Wed 5/15

1 stop6h 26m

$139

Boston Logan IntlMiami

BOS - MIA

BOSMIA

Boston Logan Intl

Sat 6/1

Nonstop3h 30m

Miami

Wed 6/5

Nonstop3h 23m

$177

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Boston to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Key Largo. Price data was last updated on January 28, 2024.
The price you pay for your flight from Boston to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Boston to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Boston to Key Largo. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Key Largo flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Key Largo by month

Plan your trip from Boston to Key Largo by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Key Largo is currently $36 while a round-trip flight costs $82. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Boston to Key Largo (average of $208). Flying from Boston to Key Largo in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$221

February

$235

March

$290

April

$263

May

$250

June

$271

July

$287

August

$241

September

$208

October

$230

November

$258

December

$258

Temperature and rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature and rainfall totals by month.

MIA

Temperature

68 - 84.2 °F

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated April 27, 2024.
To help decide which airline to fly from Boston to Key Largo, see what other customers have to say about Spirit Airlines, Delta and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

JetBlue
7.6
Good
4,593 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

American Airlines
7.3
Good
14,875 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Spirit Airlines
6.4
Okay
8,743 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Boston to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Key Largo?

    If you book a flight to Key Largo from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 32 flights from Logan Intl to Key Largo per day from 11 different airlines.

  • Can I find flights from Boston to Key Largo for under $100 on Cheapflights?

    Yes, there are multiple flights from Boston to Key Largo for under $100. The cheapest flight booked recently is on Spirit Airlines for just $45, but on average you can expect to pay $66.

  • Are there nonstop flights from Boston to Key Largo for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Boston to Key Largo under $200. A good price for a nonstop flight from Boston to Key Largo is less than $206.

  • Are there last-minute flights available from Boston to Key Largo for under $100?

    There are currently 20+ open flights from Boston to Key Largo within the next 7 days for less than $100.

  • What days are nonstop flights available from Boston to Key Largo?

    Nonstop flights can be found on the following days: Sunday, Tuesday, Saturday.

  • How popular is this Boston to Key Largo flight route?

    The Boston Logan Intl to Key Largo flight path was viewed by 252 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from Boston to Key Largo on average per day?

    Travelers can expect 13 flights from Boston to Key Largo on average per day.
    Morning (6am - Noon) - 8% of flight departures
    Afternoon (Noon - 6pm) - 92% of flight departures

  • How long is the flight from Boston to Key Largo?

    Departing from Boston to Key Largo will take you 3h 45m. There are 1267 mi between Boston and Key Largo. All flights are typically nonstop.

  • What are the most popular airlines that fly from Boston to Key Largo?

    When booking a flight from Boston to Key Largo, you may want to consider flying on Undisclosed Carrier, Endeavor Airlines or American Airlines as they are the most popular for this route.

  • What are the most reliable airlines from Boston to Key Largo?

    Before booking your flight to Key Largo from Boston, check out the most reliable airlines to get you to your destination on time: Etihad Airways (100%), Japan Airlines (93%), EL AL( 85%).

  • What are the cheapest flights from Boston to Key Largo?

    The cheapest flight price from Boston to Key Largo is $70. On average you can expect to pay $904. The most popular route, (Boston Logan Intl - Miami), can usually be booked for $45.

  • What does BOS to MIA mean?

    Great question - BOS to MIA just means Boston Logan Intl Airport to Miami Airport. Now you’ll know what these unique codes when you look for flights! Fort Lauderdale Airport (FLL), Key West Airport (EYW), Miami Opa Locka Airport (OPF), Fort Lauderdale Executive Airport (FXE) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Boston to Key Largo that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Key Largo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Key Largo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Key Largo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to Key Largo that include hotel bookings?

    Yes. In addition to deals on Boston to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Key Largo.

  • Can I find deals for business class flights from Boston to Key Largo?

    Yes. Cheapflights offers flight deals from Boston to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to Key Largo that allow pets onboard?

    Many airlines flying from Boston to Key Largo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Key Largo?

    Yes, you can often find last-minute deals on Boston to Key Largo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Key Largo flight deals updated?

    The Boston to Key Largo flight deals you see on this page were last updated on 4/27.

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Alternative routes for Boston to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Boston to Key Largo

Discover the top 10 airlines that operate flights from Boston to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$52Average$252FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$56Average$180FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$89Average$301FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest$89Average$388FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Alaska AirlinesCheapest$98Average$416FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$126Average$400FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$168Average$344FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Endeavor AirlinesCheapest$178Average$443FlexibilityNo cancel feeOn-timeN/A
Search Endeavor Airlines flights
Allegiant AirCheapest$439Average$622FlexibilityNo cancel feeOn-time88%
Search Allegiant Air flights
Linear Air TaxiCheapest$18,260Average$36,512FlexibilityNo cancel feeOn-timeN/A
Search Linear Air Taxi flights
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Search flights from Boston to Key Largo by cabin class

Find flights from Boston to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Boston to Key Largo

Find hourly flight availability from Boston to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2024.
22%of flight departuresEarly morningMidnight to 6 am
40%of flight departuresMorning6 am to noon
38%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Boston to Key Largo

Explore weekly flight availability from Boston to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 27, 2024.
Sunday31daily flights
Monday33daily flights
Tuesday34daily flights
Wednesday33daily flights
Thursday31daily flights
Friday34daily flights
Saturday29daily flights

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How does Cheapflights help users find flights from Boston to Key Largo?

Cheapflights makes it easy to find Boston to Key Largo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Key Largo?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Certainly. Search results for flights to Key Largo from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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