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Cheap flights from Ontario (ONT) to San Juan from $129

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 6/8. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Ontario to San Juan are usually found in September or July, booked 22 days in advance, depart on a Tuesday or Saturday 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 June 2, 2024.

Popular in

December

Cheapest in

September

Average price

$712

Round-trip from

$247
High demand for flights, 42% potential price rise
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Best time to find cheap flights, 32% potential price drop
Search Deals
Average for round-trip flights in June 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 Monday is a good option for securing a great price. You can expect to save up to 47% 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 72% 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 $432. For sooner than that we have options available in the next 3 days from $655.

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 $461 per person but you can even find prices for as low as $228. The most expensive prices can be found in the month of December. Opting for a September flight can save you 35% on your journey compared to booking in December

What is the cheapest time of day to fly from ONT to 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 52% 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 2,807,690 searches. Data last updated June 2, 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.
Sun 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sat 8/245:35 pmSJU - ONT
2 stops19h 19mAmerican Airlines
Deal found 6/1$300
Sun 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sat 8/248:00 amSJU - ONT
1 stop15h 23mAmerican Airlines
Deal found 6/1$340
Fri 11/811:11 pmONT - SJU
2 stops21h 27mAmerican Airlines
Thu 11/146:28 pmSJU - ONT
2 stops19h 22mAmerican Airlines
Deal found 5/31$405
Tue 8/2011:59 pmONT - SJU
2 stops13h 41mAmerican Airlines
Mon 8/263:10 pmSJU - ONT
2 stops27h 58mAmerican Airlines
Deal found 6/1$406
Mon 9/911:59 pmONT - SJU
2 stops12h 10mAmerican Airlines
Fri 9/133:39 pmSJU - ONT
1 stop11h 17mAmerican Airlines
Deal found 5/31$456
Fri 11/811:11 pmONT - SJU
1 stop10h 26mAmerican Airlines
Thu 11/146:00 amSJU - ONT
1 stop11h 44mAmerican Airlines
Deal found 5/31$487
Sun 9/1511:59 pmONT - SJU
2 stops12h 10mAmerican Airlines
Sun 9/228:03 amSJU - ONT
2 stops15h 39mAmerican Airlines
Deal found 6/2$497
Mon 6/1012:49 pmONT - SJU
1 stop8h 26mAmerican Airlines
Tue 6/186:15 amSJU - ONT
2 stops12h 36mAmerican Airlines
Deal found 6/2$605
Tue 6/116:30 amONT - SJU
2 stops13h 50mAmerican Airlines
Tue 6/186:15 amSJU - ONT
2 stops12h 36mAmerican Airlines
Deal found 6/2$628

Cheap Frontier flights from Ontario to San Juan

Explore cheap flight options specifically provided by Frontier 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 2,807,690 searches. Data last updated June 2, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from Ontario to San Juan. Deals frequently update to provide users with more options.
Sun 7/2812:59 amONT - SJU
2 stops11h 24mFrontier
Sat 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$307
Sat 7/2712:59 amONT - SJU
2 stops10h 54mFrontier
Thu 8/14:11 pmSJU - ONT
2 stops17h 08mFrontier
Deal found 6/2$322
Mon 7/89:08 pmONT - SJU
2 stops14h 55mFrontier
Fri 7/124:12 pmSJU - ONT
2 stops22h 40mFrontier
Deal found 6/2$332
Thu 8/812:59 amONT - SJU
2 stops11h 08mFrontier
Sun 8/114:01 pmSJU - ONT
2 stops17h 18mFrontier
Deal found 6/2$338
Thu 7/2512:59 amONT - SJU
2 stops11h 08mFrontier
Sat 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$339
Fri 6/2110:23 pmONT - SJU
2 stops13h 58mFrontier
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$346
Wed 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Thu 8/111:52 amONT - SJU
2 stops24h 15mFrontier
Thu 8/84:11 pmSJU - ONT
2 stops17h 08mFrontier
Deal found 6/1$360
Fri 7/1910:03 pmONT - SJU
2 stops14h 20mFrontier
Fri 7/264:12 pmSJU - ONT
2 stops20h 29mFrontier
Deal found 6/1$364

Cheap Ontario to San Juan flights in June & July 2024

Find cheap flight options from Ontario to San Juan specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 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.
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Deal found 6/2$290
Sat 6/2212:59 amONT - SJU
2 stops10h 52mFrontier
Tue 6/254:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/2$298
Tue 6/258:29 amONT - SJU
2 stops27h 22mFrontier
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Deal found 6/2$307
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/2$322
Tue 6/258:29 amONT - SJU
2 stops27h 22mFrontier
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/2$339
Fri 6/2110:23 pmONT - SJU
2 stops13h 58mFrontier
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$346
Wed 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Mon 6/179:36 pmONT - SJU
2 stops14h 25mFrontier
Sat 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 6/1$366
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Sat 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 6/1$376

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 2,807,690 searches. Data last updated June 2, 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.
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Deal found 6/2$290
Sat 6/2212:59 amONT - SJU
2 stops10h 52mFrontier
Tue 6/254:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/2$298
Sun 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sat 8/245:35 pmSJU - ONT
2 stops19h 19mAmerican Airlines
Deal found 6/1$300
Tue 9/1711:36 pmONT - SJU
1 stop12h 22mJetBlue
Fri 9/201:31 pmSJU - ONT
1 stop11h 50mJetBlue
Deal found 6/2$302
Tue 6/258:29 amONT - SJU
2 stops27h 22mFrontier
Thu 7/44:07 pmSJU - ONT
2 stops17h 12mFrontier
Deal found 6/2$307
Mon 6/2412:49 amONT - SJU
2 stops11h 12mFrontier
Mon 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/2$322
Mon 7/89:08 pmONT - SJU
2 stops14h 55mFrontier
Fri 7/124:12 pmSJU - ONT
2 stops22h 40mFrontier
Deal found 6/2$332
Thu 9/1210:00 pmONT - SJU
1 stop10h 47mDelta
Mon 9/2312:54 pmSJU - ONT
1 stop12h 52mDelta
Deal found 6/2$334
Thu 8/812:59 amONT - SJU
2 stops11h 08mFrontier
Sun 8/114:01 pmSJU - ONT
2 stops17h 18mFrontier
Deal found 6/2$338

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 2,807,690 searches. Data last updated June 2, 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 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Tue 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Mon 6/174:27 pmSJU - ONT
2 stops18h 00mFrontier
Deal found 5/31$396
Tue 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/1$416
Mon 6/1012:59 amONT - SJU
2 stops11h 02mFrontier
Mon 6/175:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 5/31$438
Fri 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Sun 6/163:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 6/2$448
Fri 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Sun 6/163:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 6/2$458
Fri 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Sun 6/93:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 5/31$488
Wed 6/1212:49 amONT - SJU
2 stops11h 12mFrontier
Mon 6/174:27 pmSJU - ONT
2 stops18h 00mFrontier
Deal found 6/1$496
Sat 6/812:59 amONT - SJU
2 stops10h 52mFrontier
Sun 6/163:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 6/2$498

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 2,807,690 searches. Data last updated June 2, 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.
Sat 6/812:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 6/2$129
Sun 8/1112:59 amONT - SJU
2 stops11h 24mFrontier
Deal found 6/1$140
Mon 8/266:50 amONT - SJU
1 stop12h 17mDelta
Deal found 5/31$167
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Deal found 6/2$169
Fri 6/2112:49 amONT - SJU
2 stops11h 32mFrontier
Deal found 6/1$189
Mon 8/126:00 amONT - SJU
1 stop11h 38mUnited Airlines
Deal found 6/1$196
Sun 6/1610:12 amONT - SJU
1 stop15h 38mFrontier
Deal found 6/2$199
Mon 8/1210:30 pmONT - SJU
2 stops13h 45mAmerican Airlines
Deal found 6/1$203
Thu 10/36:10 amONT - SJU
2 stops27h 35mAmerican Airlines
Deal found 6/2$209

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$300 - $392

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 8/18

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Sat 8/24

2 stops19h 19m

$300

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 9/17

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Fri 9/20

1 stop11h 50m

$302

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 7/28

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Sat 8/3

2 stops34h 28m

$307

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 7/27

2 stops10h 54m

San Juan Luis Munoz Marin Intl

Thu 8/1

2 stops17h 08m

$322

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 9/12

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Mon 9/23

1 stop12h 52m

$334

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 8/18

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Sat 8/24

1 stop15h 23m

$340

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 9/9

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Fri 9/13

1 stop11h 50m

$343

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 9/16

1 stop11h 53m

San Juan Luis Munoz Marin Intl

Tue 9/24

1 stop14h 10m

$357

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sat 10/19

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Sat 10/26

1 stop9h 51m

$392

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I 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 May 31, 2024.
To ensure you get the cheapest price possible for a flight from Ontario to San Juan, you should look to book at least 22 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

What is the cheapest day 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 June 2, 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ontario to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 June 2, 2024.
Read through reviews of airlines operating flights from Ontario to San Juan, such as American Airlines, Frontier and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Alaska Airlines
8.1
Very good
9,197 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
10,402 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

JetBlue
7.6
Good
4,336 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

Avianca
7.5
Good
3,626 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,197 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.1

Entertainment

7.3

Crew

8.6

Boarding

8.2

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 $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to San Juan for under $300. The cheapest flight booked recently is on American Airlines for just $300, but on average you can expect to pay $345.

  • Are there last-minute flights available from Ontario to San Juan for under $400?

    There are currently 20+ open flights from Ontario to San Juan within the next 7 days for less than $400.

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

    American Airlines, at $300, was found to be the cheapest airline from Ontario to San Juan.Alternate airlines to your destination round-trip include JetBlue and Frontier. American Airlines is currently priced 47% below the average price you’ll pay for this route.

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

    $129 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $167 and $196, respectively.

  • 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 6/2.

  • 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 is the cheapest month to book a flight from Ontario to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Ontario to San Juan (average of $247). Flying from Ontario to San Juan in March is currently the most expensive (average of $338). 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.

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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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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$243Average$333FlexibilityNo cancel feeOn-time62%
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JetBlueCheapest$249Average$626FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$312Average$665FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$356Average$607FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$408Average$725FlexibilityNo cancel feeOn-time69%
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Alaska AirlinesCheapest$472Average$568FlexibilityNo cancel feeOn-time75%
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How does Cheapflights help users find flights from Ontario to San Juan?

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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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