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Cheap flights from Ontario (ONT) to San Juan from $167

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 9/9. 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.
ONT — SJU
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Ontario to San Juan are usually found in May or April, booked 44 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Ontario to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to San Juan (PR1). 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 28, 2024.

Popular in

March

Cheapest in

May

Average price

$358

Round-trip from

$252
High demand for flights, 40% potential price rise
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Best time to find cheap flights, 33% potential price drop
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Average for round-trip flights in April 2024
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From Ontario to San Juan
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What is the cheapest day to fly round-trip from Ontario to San Juan?

Departing on a Saturday is a good option for securing a great price. You can expect to save up to 59% when planning your travel around this day of the week.

How far in advance should I book a flight from Ontario to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 26 days in advance, which can save you up to 85% on flights from Ontario to San Juan compared to booking the week you need them. Waiting 26 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $504. For sooner than that we have options available in the next 3 days from $672.

What is the cheapest month to fly from Ontario to San Juan?

September is one of the best times of the year to fly to San Juan from Ontario. Prices for September average $476 per person but you can even find prices for as low as $221. The most expensive prices can be found in the month of December. Opting for a September flight can save you 34% on your journey compared to booking in December

When is the cheapest time to fly from Ontario to San Juan (ONT - SJU)?

One of the essential ways to save on airfare from Ontario to San Juan is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 49% on airfare.

Cheap United Airlines flights from Ontario to San Juan

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and San Juan. 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 2,944,896 searches. Data last updated April 28, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Ontario to San Juan. Come back soon if you're not finding the exact deal you're looking for.
Sun 8/186:00 amONT - SJU
1 stop11h 38mUnited Airlines
Sat 8/242:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/27$436
Mon 9/166:45 pmONT - SJU
2 stops16h 57mUnited Airlines
Tue 9/242:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/27$480
Sun 8/46:00 amONT - SJU
1 stop11h 38mUnited Airlines
Sat 8/177:00 amSJU - ONT
2 stops13h 28mUnited Airlines
Deal found 4/27$507
Fri 9/66:25 pmONT - SJU
2 stops15h 25mUnited Airlines
Sun 9/152:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/26$508
Wed 9/186:00 amONT - SJU
2 stops14h 57mUnited Airlines
Tue 9/242:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/27$551
Tue 10/86:02 amONT - SJU
1 stop11h 33mUnited Airlines
Tue 10/152:55 pmSJU - ONT
1 stop9h 26mUnited Airlines
Deal found 4/28$552
Sat 8/171:30 pmONT - SJU
2 stops13h 00mUnited Airlines
Tue 9/32:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/27$568
Sun 8/186:00 amONT - SJU
1 stop11h 38mUnited Airlines
Fri 8/231:05 amSJU - ONT
2 stops23h 26mUnited Airlines
Deal found 4/27$581
Thu 10/106:02 amONT - SJU
1 stop11h 33mUnited Airlines
Mon 10/217:00 amSJU - ONT
2 stops18h 56mUnited Airlines
Deal found 4/27$624

Cheap JetBlue flights from Ontario to San Juan

Explore cheap flight options specifically provided by JetBlue for the route between Ontario and San Juan. 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 2,944,896 searches. Data last updated April 28, 2024.
To aid your search, here are some of the cheapest JetBlue flights we've found from Ontario to San Juan. Deals frequently update to provide users with more options.
Tue 5/2111:40 pmONT - SJU
1 stop11h 27mJetBlue
Sat 5/2512:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$302
Tue 8/611:45 pmONT - SJU
1 stop13h 18mJetBlue
Mon 8/1212:55 pmSJU - ONT
1 stop12h 33mJetBlue
Deal found 4/28$343
Thu 5/3011:40 pmONT - SJU
1 stop13h 15mJetBlue
Tue 6/410:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/28$384
Tue 5/2811:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 6/112:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$438
Sat 6/111:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 6/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/28$488
Fri 5/1711:40 pmONT - SJU
1 stop12h 45mJetBlue
Wed 5/2910:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/26$522
Wed 8/711:45 pmONT - SJU
1 stop13h 18mJetBlue
Mon 8/1212:55 pmSJU - ONT
1 stop12h 33mJetBlue
Deal found 4/27$536
Fri 5/3111:40 pmONT - SJU
1 stop11h 12mJetBlue
Sat 6/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$542
Fri 5/1011:40 pmONT - SJU
1 stop11h 27mJetBlue
Sat 6/112:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$577

Cheap Ontario to San Juan flights in April & May 2024

Find cheap flight options from Ontario to San Juan specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. For more flight deals, be sure to check back very soon.
Thu 5/3011:40 pmONT - SJU
1 stop13h 15mJetBlue
Tue 6/410:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/28$384
Sat 5/116:00 amONT - SJU
1 stop12h 56mDelta
Fri 5/1712:49 pmSJU - ONT
1 stop10h 17mDelta
Deal found 4/28$542
Wed 5/2210:29 pmONT - SJU
2 stops19h 31mAmerican Airlines
Sun 5/266:30 amSJU - ONT
2 stops18h 59mAmerican Airlines
Deal found 4/28$560
Tue 5/217:31 amONT - SJU
1 stop12h 14mAmerican Airlines
Mon 5/2712:45 amSJU - ONT
1 stop12h 04mAmerican Airlines
Deal found 4/27$561
Thu 5/306:00 amONT - SJU
2 stops12h 00mAmerican Airlines
Tue 6/48:00 amSJU - ONT
1 stop13h 59mAmerican Airlines
Deal found 4/28$571
Tue 5/2111:40 pmONT - SJU
1 stop11h 27mJetBlue
Tue 5/2812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$596
Thu 5/3010:29 pmONT - SJU
1 stop18h 46mAmerican Airlines
Mon 6/312:45 amSJU - ONT
1 stop12h 04mAmerican Airlines
Deal found 4/28$612
Thu 5/306:00 amONT - SJU
2 stops12h 00mAmerican Airlines
Mon 6/312:45 amSJU - ONT
1 stop12h 04mAmerican Airlines
Deal found 4/28$613
Thu 5/166:00 amONT - SJU
2 stops12h 00mAmerican Airlines
Thu 5/1612:45 amSJU - ONT
1 stop14h 07mAmerican Airlines
Deal found 4/27$626

Ontario to San Juan 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to San Juan in 2024. For more flight deals, be sure to check back very soon.
Thu 9/57:00 amONT - SJU
1 stop12h 09mDelta
Mon 9/1612:54 pmSJU - ONT
1 stop12h 34mDelta
Deal found 4/28$334
Mon 6/311:40 pmONT - SJU
1 stop13h 15mJetBlue
Thu 6/1311:19 amSJU - ONT
1 stop14h 19mJetBlue
Deal found 4/28$343
Thu 5/3011:40 pmONT - SJU
1 stop13h 15mJetBlue
Tue 6/410:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/28$384
Thu 9/52:52 pmONT - SJU
2 stops22h 23mAmerican Airlines
Mon 9/92:09 pmSJU - ONT
2 stops22h 27mAmerican Airlines
Deal found 4/28$410
Fri 9/67:00 amONT - SJU
1 stop12h 09mDelta
Mon 9/1612:54 pmSJU - ONT
1 stop12h 34mDelta
Deal found 4/28$424
Sun 8/186:00 amONT - SJU
1 stop11h 38mUnited Airlines
Sat 8/242:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/28$436
Sat 6/111:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 6/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/28$488
Thu 9/58:41 amONT - SJU
1 stop12h 41mAmerican Airlines
Mon 9/92:09 pmSJU - ONT
2 stops10h 35mAmerican Airlines
Deal found 4/28$492
Thu 9/1210:50 amONT - SJU
1 stop10h 32mAmerican Airlines
Tue 9/176:33 amSJU - ONT
2 stops18h 09mAmerican Airlines
Deal found 4/28$521

Ontario to San Juan flights leaving soon

Find last-minute flight options from Ontario to San Juan 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 2,944,896 searches. Data last updated April 28, 2024.
Have a look at some of the flights available from Ontario to San Juan departing last-minute. Tip: verify your flight details before completing your reservation.
Wed 5/111:40 pmONT - SJU
1 stop13h 15mJetBlue
Fri 5/3112:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$536
Sat 5/1111:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 5/1810:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 4/27$542
Mon 5/67:40 pmONT - SJU
2 stops14h 00mAmerican Airlines
Thu 5/911:55 amSJU - ONT
2 stops15h 01mAmerican Airlines
Deal found 4/27$577
Wed 5/811:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 5/1112:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$586
Mon 5/610:29 pmONT - SJU
2 stops11h 11mAmerican Airlines
Thu 5/98:00 amSJU - ONT
1 stop13h 59mAmerican Airlines
Deal found 4/27$589
Mon 5/610:29 pmONT - SJU
1 stop11h 16mAmerican Airlines
Wed 5/812:45 amSJU - ONT
1 stop14h 07mAmerican Airlines
Deal found 4/27$591
Mon 5/611:40 pmONT - SJU
1 stop13h 15mJetBlue
Wed 5/810:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 4/26$592
Fri 5/1010:29 pmONT - SJU
2 stops12h 16mAmerican Airlines
Sat 5/1112:45 amSJU - ONT
1 stop11h 55mAmerican Airlines
Deal found 4/26$625
Tue 5/711:40 pmONT - SJU
1 stop11h 27mJetBlue
Tue 5/1412:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/27$631

One-way flights to San Juan from Ontario

Search for one-way flight options from Ontario to San Juan. 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 2,944,896 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Ontario to San Juan can choose from these deals. Those seeking round-trip flights from Ontario to San Juan should utilize the search form at the the top of the page.
Mon 9/910:59 pmONT - SJU
1 stop9h 48mDelta
Deal found 4/27$167
Thu 9/1910:59 pmONT - SJU
1 stop9h 48mDelta
Deal found 4/27$195
Wed 8/146:00 amONT - SJU
1 stop11h 38mUnited Airlines
Deal found 4/27$196
Tue 5/282:50 pmONT - SJU
2 stops17h 15mAmerican Airlines
Deal found 4/27$205
Thu 9/192:52 pmONT - SJU
2 stops22h 23mAmerican Airlines
Deal found 4/27$211
Mon 9/911:00 pmONT - SJU
2 stops14h 15mAmerican Airlines
Deal found 4/27$245
Tue 5/2811:59 pmONT - SJU
1 stop19h 46mAmerican Airlines
Deal found 4/27$246
Sun 5/266:00 amONT - SJU
1 stop12h 56mDelta
Deal found 4/27$266
Sat 5/1110:42 amONT - SJU
2 stops15h 48mUnited Airlines
Deal found 4/26$291

Find flights from Ontario to San Juan within your budget

Customize your flight search to find flights from Ontario to San Juan 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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$302 - $732

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 5/21

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Sat 5/25

1 stop12h 16m

$302

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 9/5

1 stop12h 09m

San Juan Luis Munoz Marin Intl

Mon 9/16

1 stop12h 34m

$334

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 8/6

1 stop13h 18m

San Juan Luis Munoz Marin Intl

Mon 8/12

1 stop12h 33m

$343

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 5/30

1 stop13h 15m

San Juan Luis Munoz Marin Intl

Tue 6/4

1 stop14h 29m

$384

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 5/14

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Mon 5/20

1 stop11h 55m

$396

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 5/14

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Mon 5/20

1 stop11h 55m

$397

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 8/18

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Sat 8/24

1 stop9h 36m

$436

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 6/17

1 stop9h 31m

San Juan Luis Munoz Marin Intl

Mon 6/24

1 stop15h 43m

$541

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 8/24

2 stops19h 21m

San Juan Luis Munoz Marin Intl

Mon 8/26

2 stops33h 41m

$732

Flights are sorted by cheapest first

Deals found on 4/27

When is the best time to book a flight from Ontario to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to San Juan. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Ontario to San Juan, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Ontario to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Ontario to San Juan. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to San Juan flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Juan by month

Plan your trip from Ontario to San Juan by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to San Juan is currently $225 while a round-trip flight costs $429. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from Ontario to San Juan (average of $252). Flying from Ontario to San Juan in March is currently the most expensive (average of $339). 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

$278

February

$286

March

$339

April

$303

May

$282

June

$317

July

$333

August

$278

September

$252

October

$265

November

$300

December

$302

Temperature and rainfall in San Juan by month

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

SJU

Temperature

77 - 82.4 °F

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated April 28, 2024.
Read through reviews of airlines operating flights from Ontario to San Juan, such as United Airlines, JetBlue and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,932 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

JetBlue
7.6
Good
4,582 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Avianca
7.5
Good
3,900 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,221 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Juan. 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 Ontario to San Juan?

    If you book a flight to San Juan from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to San Juan per day from 6 different airlines.

  • Can I find flights from Ontario to San Juan for under $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Juan for under $400. The cheapest flight booked recently is on JetBlue for just $302, but on average you can expect to pay $439.

  • Are there last-minute flights available from Ontario to San Juan for under $600?

    There are currently 20+ open flights from Ontario to San Juan within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Ontario to San Juan round-trip?

    JetBlue, at $302, was found to be the cheapest airline from Ontario to San Juan.Alternate airlines to your destination round-trip include Delta and American Airlines. JetBlue is currently priced 38% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to San Juan one-way?

    $167 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $196 and $205, respectively.

  • What are the most popular airlines that fly from Ontario to San Juan?

    American Airlines, Alaska Airlines and JetBlue are the most popular airlines when flying from Ontario to San Juan.

  • What does ONT to SJU mean?

    Ontario Airport is ONT and San Juan Luis Munoz Marin Intl Airport is SJU. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR).

  • Can I find deals for flights from Ontario to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to San Juan 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 Ontario to San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San Juan 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 Ontario to San Juan that include hotel bookings?

    Yes. In addition to deals on Ontario to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Juan.

  • Can I find deals for business class flights from Ontario to San Juan?

    Yes. Cheapflights offers flight deals from Ontario to San Juan 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 Ontario to San Juan that allow pets onboard?

    Many airlines flying from Ontario to San Juan 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 Ontario to San Juan?

    Yes, you can often find last-minute deals on Ontario to San Juan 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 Ontario to San Juan flight deals updated?

    The Ontario to San Juan flight deals you see on this page were last updated on 4/28.

See more FAQs

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Alternative routes for Ontario to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

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Oakland to Aguadilla flights

Top 6 airlines flying from Ontario to San Juan

Discover the top 6 airlines that operate flights from Ontario to San Juan. 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$245Average$342FlexibilityNo cancel feeOn-time62%
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JetBlueCheapest$269Average$632FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$334Average$684FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$356Average$607FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$361Average$681FlexibilityNo cancel feeOn-time69%
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Alaska AirlinesCheapest$472Average$568FlexibilityNo cancel feeOn-time75%
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Find flights from Ontario to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Juan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to San Juan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Juan?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Juan from Ontario.

Can Cheapflights find flights from Ontario to San Juan with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to San Juan with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to San Juan become cheaper?

Yes, Cheapflights offers price alerts on Ontario to San Juan flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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