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Cheap flights from Ontario (ONT) to San Juan from $145

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 6/17. 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 6 — May 131
From?
To?
Mon 5/6
Mon 5/13
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 May 1, 2024.

Popular in

March

Cheapest in

May

Round-trip from

$252

One-way from

$182
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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From Ontario to San Juan
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One-way flight 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 51% on airfare.

Cheap American Airlines flights from Ontario to San Juan

Explore cheap flight options specifically provided by American 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 2,913,887 searches. Data last updated May 1, 2024.
Peruse some of the lowest-priced American 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.
Sat 8/3112:40 pmONT - SJU
2 stops21h 06mAmerican Airlines
Tue 9/36:30 amSJU - ONT
2 stops20h 19mAmerican Airlines
Deal found 4/30$410
Sat 8/3111:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Tue 9/33:39 pmSJU - ONT
1 stop9h 24mAmerican Airlines
Deal found 4/30$437
Sun 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sat 8/246:30 amSJU - ONT
2 stops16h 51mAmerican Airlines
Deal found 4/30$491
Thu 5/3010:29 pmONT - SJU
1 stop15h 36mAmerican Airlines
Tue 6/411:55 amSJU - ONT
2 stops11h 13mAmerican Airlines
Deal found 4/30$531
Wed 5/226:00 amONT - SJU
1 stop13h 45mAmerican Airlines
Wed 6/56:15 amSJU - ONT
2 stops15h 22mAmerican Airlines
Deal found 4/29$532
Mon 5/1311:59 pmONT - SJU
2 stops10h 46mAmerican Airlines
Tue 5/1412:45 amSJU - ONT
1 stop11h 55mAmerican Airlines
Deal found 4/30$536
Mon 5/1310:29 pmONT - SJU
1 stop11h 16mAmerican Airlines
Wed 5/151:39 pmSJU - ONT
2 stops11h 50mAmerican Airlines
Deal found 4/30$540
Mon 5/1311:59 pmONT - SJU
2 stops10h 46mAmerican Airlines
Wed 5/151:39 pmSJU - ONT
2 stops11h 50mAmerican Airlines
Deal found 4/30$541
Wed 5/2210:29 pmONT - SJU
2 stops19h 31mAmerican Airlines
Sun 6/25:30 pmSJU - ONT
2 stops19h 10mAmerican Airlines
Deal found 4/30$560

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 2,913,887 searches. Data last updated May 1, 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.
Fri 5/3111:40 pmONT - SJU
1 stop11h 12mJetBlue
Wed 6/510:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/30$438
Mon 8/511:45 pmONT - SJU
1 stop13h 18mJetBlue
Fri 8/912:55 pmSJU - ONT
1 stop12h 33mJetBlue
Deal found 4/29$447
Mon 5/2711:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 6/110:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 5/1$488
Fri 9/611:49 pmONT - SJU
1 stop12h 11mJetBlue
Fri 9/131:00 pmSJU - ONT
1 stop12h 27mJetBlue
Deal found 4/29$492
Sun 5/1911:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/2212:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/30$542
Mon 5/1311:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/1510:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 4/30$551
Mon 5/2011:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/2210:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 4/30$575
Tue 5/2811:40 pmONT - SJU
1 stop13h 15mJetBlue
Sun 6/210:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 5/1$586
Thu 9/2611:49 pmONT - SJU
1 stop12h 11mJetBlue
Thu 10/31:00 pmSJU - ONT
1 stop12h 27mJetBlue
Deal found 4/30$592

Cheap Ontario to San Juan flights in May & June 2024

Find cheap flight options from Ontario to San Juan specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,913,887 searches. Prices were last updated on May 1, 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.
Fri 5/3111:40 pmONT - SJU
1 stop11h 12mJetBlue
Wed 6/510:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/30$438
Thu 5/3010:29 pmONT - SJU
1 stop15h 36mAmerican Airlines
Tue 6/411:55 amSJU - ONT
2 stops11h 13mAmerican Airlines
Deal found 4/30$531
Wed 5/226:00 amONT - SJU
1 stop13h 45mAmerican Airlines
Wed 6/56:15 amSJU - ONT
2 stops15h 22mAmerican Airlines
Deal found 4/29$532
Sun 5/1911:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/2212:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/30$542
Wed 5/2210:29 pmONT - SJU
2 stops19h 31mAmerican Airlines
Sun 6/25:30 pmSJU - ONT
2 stops19h 10mAmerican Airlines
Deal found 4/30$560
Thu 5/3010:29 pmONT - SJU
1 stop15h 36mAmerican Airlines
Tue 6/48:00 amSJU - ONT
1 stop13h 59mAmerican Airlines
Deal found 4/30$569
Wed 5/226:00 amONT - SJU
1 stop13h 45mAmerican Airlines
Wed 6/53:49 pmSJU - ONT
1 stop10h 10mAmerican Airlines
Deal found 4/29$572
Thu 5/307:40 pmONT - SJU
2 stops14h 00mAmerican Airlines
Tue 6/411:55 amSJU - ONT
2 stops11h 13mAmerican Airlines
Deal found 4/30$573
Mon 5/2011:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/2210:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 4/30$575

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 2,913,887 searches. Data last updated May 1, 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.
Sat 8/3112:40 pmONT - SJU
2 stops21h 06mAmerican Airlines
Tue 9/36:30 amSJU - ONT
2 stops20h 19mAmerican Airlines
Deal found 4/30$410
Sat 8/3111:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Tue 9/33:39 pmSJU - ONT
1 stop9h 24mAmerican Airlines
Deal found 4/30$437
Fri 5/3111:40 pmONT - SJU
1 stop11h 12mJetBlue
Wed 6/510:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 4/30$438
Sun 8/186:00 amONT - SJU
1 stop11h 38mUnited Airlines
Sat 8/242:55 pmSJU - ONT
1 stop9h 36mUnited Airlines
Deal found 4/30$446
Mon 8/511:45 pmONT - SJU
1 stop13h 18mJetBlue
Fri 8/912:55 pmSJU - ONT
1 stop12h 33mJetBlue
Deal found 4/29$447
Sat 6/111:40 pmONT - SJU
1 stop13h 15mJetBlue
Sat 6/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/30$488
Sun 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sat 8/246:30 amSJU - ONT
2 stops16h 51mAmerican Airlines
Deal found 4/30$491
Fri 9/611:49 pmONT - SJU
1 stop12h 11mJetBlue
Fri 9/131:00 pmSJU - ONT
1 stop12h 27mJetBlue
Deal found 4/29$492
Sun 8/46:00 amONT - SJU
1 stop11h 38mUnited Airlines
Fri 8/91:40 pmSJU - ONT
1 stop10h 08mUnited Airlines
Deal found 4/29$507

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 2,913,887 searches. Data last updated May 1, 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.
Mon 5/611:40 pmONT - SJU
1 stop11h 27mJetBlue
Wed 5/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/29$592
Wed 5/811:40 pmONT - SJU
1 stop13h 15mJetBlue
Sun 5/1210:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 5/1$597
Tue 5/75:15 amONT - SJU
2 stops12h 23mUnited Airlines
Tue 5/141:40 pmSJU - ONT
1 stop10h 13mUnited Airlines
Deal found 4/30$632
Fri 5/1011:40 pmONT - SJU
1 stop11h 27mJetBlue
Tue 5/1410:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 5/1$638
Mon 5/611:40 pmONT - SJU
1 stop13h 15mJetBlue
Wed 5/812:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 4/30$640
Thu 5/95:15 amONT - SJU
1 stop9h 15mUnited Airlines
Tue 5/141:40 pmSJU - ONT
1 stop10h 13mUnited Airlines
Deal found 4/29$652
Tue 5/75:15 amONT - SJU
2 stops12h 23mUnited Airlines
Tue 5/141:40 pmSJU - ONT
1 stop10h 13mUnited Airlines
Deal found 4/30$662
Mon 5/611:40 pmONT - SJU
1 stop13h 15mJetBlue
Wed 5/1510:37 amSJU - ONT
1 stop14h 32mJetBlue
Deal found 5/1$681
Fri 5/1011:59 pmONT - SJU
2 stops10h 46mAmerican Airlines
Tue 5/1412:45 amSJU - ONT
2 stops14h 02mAmerican Airlines
Deal found 4/30$682

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 2,913,887 searches. Data last updated May 1, 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 6/175:13 pmONT - SJU
1 stop9h 31mFrontier
Deal found 4/30$145
Sun 6/3010:45 amONT - SJU
1 stop15h 05mFrontier
Deal found 4/30$182
Tue 5/2811:40 pmONT - SJU
1 stop13h 15mJetBlue
Deal found 4/30$192
Sun 7/76:15 amONT - SJU
2 stops12h 26mAmerican Airlines
Deal found 4/30$205
Tue 5/2811:40 pmONT - SJU
1 stop13h 15mJetBlue
Deal found 4/30$246
Mon 5/1311:40 pmONT - SJU
1 stop11h 27mJetBlue
Deal found 5/1$255
Tue 5/2811:59 pmONT - SJU
2 stops13h 41mAmerican Airlines
Deal found 4/30$286
Fri 5/1011:40 pmONT - SJU
1 stop12h 45mJetBlue
Deal found 5/1$296
Sat 5/1810:29 pmONT - SJU
1 stop11h 16mAmerican Airlines
Deal found 4/30$315

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 2,913,887 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$410 - $815

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 8/31

2 stops21h 06m

San Juan Luis Munoz Marin Intl

Tue 9/3

2 stops20h 19m

$410

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 8/31

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Tue 9/3

1 stop9h 24m

$437

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Fri 5/31

1 stop11h 12m

San Juan Luis Munoz Marin Intl

Wed 6/5

1 stop14h 29m

$438

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

$446

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 8/5

1 stop13h 18m

San Juan Luis Munoz Marin Intl

Fri 8/9

1 stop12h 33m

$447

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 8/4

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Fri 8/9

1 stop10h 08m

$507

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 6/9

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Mon 6/17

1 stop15h 43m

$521

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 7/23

1 stop10h 49m

San Juan Luis Munoz Marin Intl

Mon 7/29

2 stops11h 38m

$608

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 10/17

2 stops15h 22m

San Juan Luis Munoz Marin Intl

Thu 10/24

2 stops28h 42m

$815

Flights are sorted by cheapest first

Deals found on 4/30

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 $236 while a round-trip flight costs $514. 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 May 1, 2024.
Read through reviews of airlines operating flights from Ontario to San Juan, such as American Airlines, JetBlue and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

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
9,111 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Delta
8.1
Very good
10,895 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

JetBlue
7.6
Good
4,562 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
11,187 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Reviews

1 / 10

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

American Airlines
7.3
Good
14,815 reviews
Alaska Airlines
8.1
Very good
9,111 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

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 $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Juan for under $500. The cheapest flight booked recently is on American Airlines for just $410, but on average you can expect to pay $507.

  • 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?

    American Airlines, at $410, was found to be the cheapest airline from Ontario to San Juan.Alternate airlines to your destination round-trip include JetBlue and United Airlines. American Airlines is currently priced 15% below the average price you’ll pay for this route.

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

    $145 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and American Airlines, with prices starting from $192 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 4/30.

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 2,913,887 searches. Data last updated May 1, 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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