Cheap flights from Ontario (ONT) to Caribbean from $109

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 6/9. 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 15 — May 221

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

Find a great deal and save up to 72% by booking at least 26 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Caribbean within the next two weeks, with the cheapest ticket starting at $435.

What is the cheapest month to fly from Ontario to Caribbean?

September is one of the best times of the year to fly to Caribbean from Ontario. Prices for September average $462 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

When is the cheapest time to fly from Ontario to Caribbean (ONT - CB)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Caribbean as you normally would.

Cheap Frontier flights from Ontario to Caribbean

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Caribbean. 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 2,717,708 searches. Data last updated May 10, 2024.
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$226
Sun 6/1612:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$234
Sun 6/912:59 amONT - SJU
2 stops11h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$238
Mon 6/1012:59 amONT - SJU
2 stops11h 02mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops34h 42mFrontier
Deal found 5/9$244
Sun 6/2312:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/274:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$246
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$256
Tue 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$264
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Sat 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 5/9$274
Mon 6/179:36 pmONT - SJU
2 stops14h 25mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$276

Cheap JetBlue flights from Ontario to Caribbean

Explore cheap flight options specifically provided by JetBlue for the route between Ontario and Caribbean. 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 2,717,708 searches. Data last updated May 10, 2024.
Sun 6/1611:59 pmONT - SJU
1 stop13h 04mJetBlue
Thu 6/2011:19 amSJU - ONT
1 stop14h 19mJetBlue
Deal found 5/9$302
Fri 9/611:49 pmONT - SJU
1 stop12h 11mJetBlue
Tue 9/101:00 pmSJU - ONT
1 stop12h 27mJetBlue
Deal found 5/8$384
Mon 7/2911:45 pmONT - NAS
1 stop14h 41mJetBlue
Thu 8/811:25 amNAS - ONT
1 stop14h 03mJetBlue
Deal found 5/9$423
Sat 6/1511:59 pmONT - PUJ
1 stop16h 01mJetBlue
Thu 6/2012:10 pmPUJ - ONT
1 stop13h 28mJetBlue
Deal found 5/9$431
Fri 5/3111:40 pmONT - SJU
1 stop11h 12mJetBlue
Wed 6/510:40 amSJU - ONT
1 stop14h 29mJetBlue
Deal found 5/9$438
Mon 6/2411:59 pmONT - NAS
1 stop14h 22mJetBlue
Fri 6/2811:25 amNAS - ONT
1 stop14h 13mJetBlue
Deal found 5/9$468
Mon 5/2011:40 pmONT - PUJ
1 stop12h 08mJetBlue
Wed 6/511:05 amPUJ - ONT
1 stop14h 04mJetBlue
Deal found 5/9$488
Mon 5/2011:40 pmONT - SJU
1 stop13h 15mJetBlue
Thu 5/3012:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 5/9$510
Mon 5/2011:40 pmONT - PUJ
1 stop10h 20mJetBlue
Wed 6/511:05 amPUJ - ONT
1 stop14h 04mJetBlue
Deal found 5/9$546

Cheap Ontario to Caribbean flights in May & June 2024

Find cheap flight options from Ontario to Caribbean specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 10, 2024.
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$226
Sun 6/1612:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$234
Sun 6/912:59 amONT - SJU
2 stops11h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$238
Mon 6/1012:59 amONT - SJU
2 stops11h 02mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops34h 42mFrontier
Deal found 5/9$244
Sun 6/2312:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/274:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$246
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$256
Tue 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$264
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Sat 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 5/9$274
Mon 6/179:36 pmONT - SJU
2 stops14h 25mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$276

Ontario to Caribbean 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Caribbean in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$226
Sun 6/1612:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$234
Sun 6/912:59 amONT - SJU
2 stops11h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$238
Mon 6/1012:59 amONT - SJU
2 stops11h 02mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops34h 42mFrontier
Deal found 5/9$244
Sun 6/2312:59 amONT - SJU
2 stops11h 22mFrontier
Thu 6/274:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$246
Sat 6/1512:49 amONT - SJU
2 stops11h 02mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$256
Tue 6/118:29 amONT - SJU
2 stops27h 22mFrontier
Tue 6/184:07 pmSJU - ONT
2 stops17h 55mFrontier
Deal found 5/9$264
Mon 6/175:13 pmONT - SJU
1 stop9h 30mFrontier
Sat 6/224:27 pmSJU - ONT
2 stops34h 32mFrontier
Deal found 5/9$274
Mon 6/179:36 pmONT - SJU
2 stops14h 25mFrontier
Thu 6/204:07 pmSJU - ONT
2 stops17h 16mFrontier
Deal found 5/9$276

Ontario to Caribbean flights leaving soon

Find last-minute flight options from Ontario to Caribbean 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 2,717,708 searches. Data last updated May 10, 2024.
Mon 5/2011:40 pmONT - PUJ
1 stop12h 08mJetBlue
Wed 6/511:05 amPUJ - ONT
1 stop14h 04mJetBlue
Deal found 5/9$488
Mon 5/2011:40 pmONT - SJU
1 stop13h 15mJetBlue
Thu 5/3012:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 5/9$510
Mon 5/2010:00 pmONT - SJU
1 stop12h 20mDelta
Wed 5/2912:49 pmSJU - ONT
1 stop10h 17mDelta
Deal found 5/9$542
Mon 5/2011:40 pmONT - PUJ
1 stop10h 20mJetBlue
Wed 6/511:05 amPUJ - ONT
1 stop14h 04mJetBlue
Deal found 5/9$546
Mon 5/2011:40 pmONT - AUA
1 stop13h 05mJetBlue
Sat 5/2512:45 pmAUA - ONT
1 stop12h 24mJetBlue
Deal found 5/9$591
Mon 5/2011:40 pmONT - SJU
1 stop13h 15mJetBlue
Fri 5/2412:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 5/9$614
Sun 5/195:15 amONT - SJU
1 stop9h 15mUnited Airlines
Sat 5/251:40 pmSJU - ONT
1 stop9h 58mUnited Airlines
Deal found 5/10$632
Mon 5/2011:40 pmONT - AUA
1 stop13h 05mJetBlue
Fri 5/3112:45 pmAUA - ONT
1 stop12h 24mJetBlue
Deal found 5/9$634
Mon 5/2011:40 pmONT - SJU
1 stop13h 15mJetBlue
Sun 5/2612:53 pmSJU - ONT
1 stop12h 16mJetBlue
Deal found 5/9$675

One-way flights to Caribbean from Ontario

Search for one-way flight options from Ontario to Caribbean. 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 2,717,708 searches. Data last updated May 10, 2024.
Sun 6/912:59 amONT - SJU
2 stops11h 22mFrontier
Deal found 5/9$109
Tue 7/212:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 5/9$145
Tue 9/1711:00 pmONT - SJU
1 stop12h 43mAmerican Airlines
Deal found 5/10$150
Mon 9/167:25 pmONT - SJU
2 stops12h 45mAmerican Airlines
Deal found 5/9$151
Wed 7/38:12 amONT - SJU
2 stops27h 49mFrontier
Deal found 5/9$156
Sat 6/1511:59 pmONT - NAS
1 stop14h 22mJetBlue
Deal found 5/9$158
Tue 6/2512:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 5/9$163
Mon 9/1610:59 pmONT - SJU
1 stop9h 48mDelta
Deal found 5/10$167
Tue 6/1112:59 amONT - SJU
2 stops10h 52mFrontier
Deal found 5/9$169

Find flights from Ontario to Caribbean within your budget

Customize your flight search to find flights from Ontario to Caribbean 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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$226 - $566

Route

Depart

Return

Price

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 6/17

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Thu 6/20

2 stops17h 16m

$226

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 6/16

2 stops11h 22m

San Juan Luis Munoz Marin Intl

Thu 6/20

2 stops17h 16m

$234

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 6/9

2 stops11h 22m

San Juan Luis Munoz Marin Intl

Tue 6/18

2 stops17h 55m

$238

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Mon 6/10

2 stops11h 02m

San Juan Luis Munoz Marin Intl

Tue 6/18

2 stops34h 42m

$244

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Sun 6/16

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Thu 6/20

1 stop14h 19m

$302

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 9/12

1 stop12h 03m

San Juan Luis Munoz Marin Intl

Fri 9/27

1 stop9h 28m

$334

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Tue 8/13

2 stops13h 41m

San Juan Luis Munoz Marin Intl

Mon 8/26

2 stops13h 12m

$397

OntarioSan Juan Luis Munoz Marin Intl

ONT - SJU

ONTSJU

Ontario

Thu 8/15

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Sat 8/24

2 stops13h 45m

$441

OntarioNassau Intl

ONT - NAS

ONTNAS

Ontario

Fri 10/18

2 stops38h 10m

Nassau Intl

Tue 10/22

2 stops35h 02m

$566

Flights are sorted by cheapest first

Deals found on 5/9

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. 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 Caribbean. Reviews last updated May 10, 2024.
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.1
Very good
10,768 reviews
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very good
2,761 reviews
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
4,517 reviews
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
2,942 reviews
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.5
Good
3,814 reviews
8.1
Very good
10,768 reviews

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Food

7.4

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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

    If you book a flight to Caribbean 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.

  • Can I find flights from Ontario to Caribbean for under $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Caribbean for under $300. The cheapest flight booked recently is on Frontier for just $226, but on average you can expect to pay $280.

  • Are there last-minute flights available from Ontario to Caribbean for under $500?

    There are currently 20+ open flights from Ontario to Caribbean within the next 7 days for less than $500.

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

    The cheapest airlines for a one-way flight from Ontario to Caribbean are Frontier ($109), American Airlines ($150), and JetBlue ($158).

  • What are the most popular routes from Ontario to Caribbean?

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

  • What does ONT to SJU mean?

    Great question - ONT to SJU just means Ontario Airport to San Juan Luis Munoz Marin Intl Airport. Now you’ll know what these unique codes when you look for flights! Punta Cana Airport (PUJ), Santo Domingo Las Americas Airport (SDQ), Montego Bay Sangster Intl Airport (MBJ), Oranjestad Reina Beatrix Airport (AUA), Nassau Intl Airport (NAS) are other airports near this flight route and their unique identifiers/IATA codes.

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

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

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

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

  • How can I find direct flights from Ontario to Caribbean?

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

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

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

    Many airlines flying from Ontario to Caribbean 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 Caribbean?

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

    The Ontario to Caribbean flight deals you see on this page were last updated on 5/10.

See more FAQs

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

Top 6 airlines flying from Ontario to Caribbean

Discover the top 6 airlines that operate flights from Ontario to Caribbean. 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 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$243Average$355FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$269Average$649FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$334Average$696FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$356Average$753FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$357Average$632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$472Average$568FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from Ontario to Caribbean by cabin class

Find flights from Ontario to Caribbean, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 Caribbean?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Caribbean from Ontario today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Caribbean from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Caribbean from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Caribbean on Cheapflights with our Price Alert feature and get notified when better prices are available.

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