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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?
Jum 6/7
Jum 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 Juni 2, 2024.

Popular in

December

Cheapest in

September

Average price

$699

Round-trip from

$247
High demand for flights, 43% potential price rise
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Best time to find cheap flights, 31% potential price drop
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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 2,810,401 searches. Data last updated Juni 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.
Min 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sab 8/245:35 pmSJU - ONT
2 stops19h 19mAmerican Airlines
Deal found 6/1$300
Min 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sab 8/248:00 amSJU - ONT
1 stop15h 23mAmerican Airlines
Deal found 6/1$340
Jum 11/811:11 pmONT - SJU
2 stops21h 27mAmerican Airlines
Kam 11/146:28 pmSJU - ONT
2 stops19h 22mAmerican Airlines
Deal found 5/31$405
Sel 8/2011:59 pmONT - SJU
2 stops13h 41mAmerican Airlines
Sen 8/263:10 pmSJU - ONT
2 stops27h 58mAmerican Airlines
Deal found 6/1$406
Sen 9/911:59 pmONT - SJU
2 stops12h 10mAmerican Airlines
Jum 9/133:39 pmSJU - ONT
1 stop11h 17mAmerican Airlines
Deal found 5/31$456
Jum 11/811:11 pmONT - SJU
1 stop10h 26mAmerican Airlines
Kam 11/146:00 amSJU - ONT
1 stop11h 44mAmerican Airlines
Deal found 5/31$487
Min 9/1511:59 pmONT - SJU
2 stops12h 10mAmerican Airlines
Min 9/228:03 amSJU - ONT
2 stops15h 39mAmerican Airlines
Deal found 6/2$497
Sel 6/116:30 amONT - SJU
2 stops13h 50mAmerican Airlines
Sel 6/186:15 amSJU - ONT
2 stops15h 22mAmerican Airlines
Deal found 6/1$628
Rab 7/102:47 pmONT - SJU
1 stop11h 13mAmerican Airlines
Sel 7/167:05 amSJU - ONT
1 stop19h 44mAmerican Airlines
Deal found 5/31$670

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 2,810,401 searches. Data last updated Juni 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.
Min 7/2812:59 amONT - SJU
2 stops11h 24mFrontier
Sab 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$307
Sab 7/2712:59 amONT - SJU
2 stops10h 54mFrontier
Kam 8/14:11 pmSJU - ONT
2 stops17h 08mFrontier
Deal found 6/2$322
Sen 7/89:08 pmONT - SJU
2 stops14h 55mFrontier
Jum 7/124:12 pmSJU - ONT
2 stops22h 40mFrontier
Deal found 6/2$332
Kam 8/812:59 amONT - SJU
2 stops11h 08mFrontier
Min 8/114:01 pmSJU - ONT
2 stops17h 18mFrontier
Deal found 6/2$338
Kam 7/2512:59 amONT - SJU
2 stops11h 08mFrontier
Sab 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$339
Jum 6/2110:23 pmONT - SJU
2 stops13h 58mFrontier
Sen 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$346
Rab 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Sel 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Kam 8/111:52 amONT - SJU
2 stops24h 15mFrontier
Kam 8/84:11 pmSJU - ONT
2 stops17h 08mFrontier
Deal found 6/1$360
Jum 7/1910:03 pmONT - SJU
2 stops14h 20mFrontier
Jum 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 2,810,401 searches. Prices were last updated on Juni 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.
Jum 6/2110:23 pmONT - SJU
2 stops13h 58mFrontier
Sen 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$346
Rab 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Sel 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Sen 6/179:36 pmONT - SJU
2 stops14h 25mFrontier
Sab 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 6/1$366
Sab 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Sab 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 6/1$376
Jum 6/2112:49 amONT - SJU
2 stops11h 32mFrontier
Sen 6/249:04 pmSJU - ONT
2 stops18h 50mFrontier
Deal found 6/1$378
Kam 6/612:44 amONT - SJU
2 stops11h 17mFrontier
Min 6/93:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 5/31$388
Sel 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Sen 6/174:27 pmSJU - ONT
2 stops18h 00mFrontier
Deal found 5/31$396
Jum 6/2112:49 amONT - SJU
2 stops11h 32mFrontier
Sen 6/245:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$398
Sab 6/229:44 amONT - SJU
2 stops26h 07mFrontier
Sen 6/249:04 pmSJU - ONT
2 stops18h 50mFrontier
Deal found 6/1$402

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 2,810,401 searches. Data last updated Juni 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.
Min 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sab 8/245:35 pmSJU - ONT
2 stops19h 19mAmerican Airlines
Deal found 6/1$300
Min 7/2812:59 amONT - SJU
2 stops11h 24mFrontier
Sab 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$307
Sab 9/287:10 amONT - SJU
1 stop11h 53mDelta
Rab 10/2312:54 pmSJU - ONT
1 stop12h 34mDelta
Deal found 6/1$334
Kam 7/2512:59 amONT - SJU
2 stops11h 08mFrontier
Sab 8/34:31 pmSJU - ONT
2 stops34h 28mFrontier
Deal found 6/1$339
Min 8/1811:59 pmONT - SJU
1 stop11h 50mAmerican Airlines
Sab 8/248:00 amSJU - ONT
1 stop15h 23mAmerican Airlines
Deal found 6/1$340
Sen 9/911:36 pmONT - SJU
1 stop12h 22mJetBlue
Jum 9/131:31 pmSJU - ONT
1 stop11h 50mJetBlue
Deal found 5/31$343
Jum 6/2110:23 pmONT - SJU
2 stops13h 58mFrontier
Sen 7/15:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 6/1$346
Rab 6/128:03 amONT - SJU
2 stops27h 58mFrontier
Sel 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/31$355
Min 8/410:00 pmONT - SJU
1 stop10h 45mDelta
Sel 8/1312:56 pmSJU - ONT
1 stop13h 01mDelta
Deal found 6/1$357

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 2,810,401 searches. Data last updated Juni 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.
Kam 6/612:44 amONT - SJU
2 stops11h 17mFrontier
Min 6/93:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 5/31$388
Sel 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Sen 6/174:27 pmSJU - ONT
2 stops18h 00mFrontier
Deal found 5/31$396
Kam 6/612:44 amONT - SJU
2 stops11h 17mFrontier
Jum 6/284:07 pmSJU - ONT
2 stops24h 31mFrontier
Deal found 6/1$405
Sel 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Sel 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/1$416
Sen 6/1012:59 amONT - SJU
2 stops11h 02mFrontier
Sen 6/175:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 5/31$438
Jum 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Min 6/93:57 pmSJU - ONT
2 stops17h 26mFrontier
Deal found 5/31$488
Jum 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Jum 6/284:07 pmSJU - ONT
2 stops24h 31mFrontier
Deal found 6/1$515
Sel 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Sen 6/175:31 pmSJU - ONT
1 stop15h 43mFrontier
Deal found 5/31$516
Jum 6/710:23 pmONT - SJU
2 stops13h 58mFrontier
Sel 6/114:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 6/1$538

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 2,810,401 searches. Data last updated Juni 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.
Sab 6/812:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 6/2$129
Min 8/1112:59 amONT - SJU
2 stops11h 24mFrontier
Deal found 6/1$140
Sen 8/266:50 amONT - SJU
1 stop12h 17mDelta
Deal found 5/31$167
Sab 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Deal found 6/2$169
Jum 6/2112:49 amONT - SJU
2 stops11h 32mFrontier
Deal found 6/1$189
Sen 8/126:00 amONT - SJU
1 stop11h 38mUnited Airlines
Deal found 6/1$196
Min 6/1610:12 amONT - SJU
1 stop15h 38mFrontier
Deal found 6/2$199
Sen 8/1210:30 pmONT - SJU
2 stops13h 45mAmerican Airlines
Deal found 6/1$203
Kam 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 2,810,401 searches. Data last updated Juni 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

Min 8/18

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Sab 8/24

2 stops19h 19m

$300

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sel 9/17

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Jum 9/20

1 stop11h 50m

$302

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Min 7/28

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Sab 8/3

2 stops34h 28m

$307

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sab 7/27

2 stops10h 54m

San Juan Luis Munoz Marin Intl

Kam 8/1

2 stops17h 08m

$322

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Kam 9/12

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Sen 9/23

1 stop12h 52m

$334

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Min 8/18

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Sab 8/24

1 stop15h 23m

$340

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sen 9/9

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Jum 9/13

1 stop11h 50m

$343

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sen 9/16

1 stop11h 53m

San Juan Luis Munoz Marin Intl

Sel 9/24

1 stop14h 10m

$357

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sab 10/19

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Sab 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 24, 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 May 26, 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 Juni 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
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

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
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

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
4,346 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

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
3,630 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

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
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

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 $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 46% 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 6/1.

  • 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 2,810,401 searches. Data last updated Juni 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$244Average$339FlexibilityNo cancel feeOn-time62%
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JetBlueCheapest$249Average$626FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$297Average$665FlexibilityNo cancel feeOn-timeN/A
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American AirlinesCheapest$356Average$606FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$381Average$725FlexibilityNo 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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