Ontario

$132+ Cheap flights from Caribbean Islands to Ontario (ONT)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Mar 16 — Mar 231
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Cheap flight deals from Caribbean Islands to Ontario

Cheapest flights from Caribbean Islands to Ontario
Explore the most affordable flight options available from Caribbean Islands to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Southwest deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:35 am
SJU
-
ONT
1 stop12h 40m
Southwest
Mon 6/229:40 am
ONT
-
SJU
1 stop11h 45m
Southwest
Deal found 2/13$342
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:53 pm
MBJ
-
ONT
1 stop9h 56m
American Airlines
Sat 6/62:18 pm
ONT
-
MBJ
2 stops19h 27m
American Airlines
Deal found 2/13$358
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:55 pm
SJU
-
ONT
1 stop9h 26m
United Airlines
Mon 11/27:00 am
ONT
-
SJU
1 stop10h 00m
United Airlines
Deal found 2/12$384
This American Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:25 am
SJU
-
ONT
1 stop16h 42m
American Airlines
Fri 4/2410:26 pm
ONT
-
SJU
1 stop19h 25m
American Airlines
Deal found 2/13$389
This eDestinos deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/264:11 pm
SJU
-
ONT
2 stops32h 37m
Frontier
Mon 3/26:43 pm
ONT
-
SJU
2 stops16h 23m
Frontier
Deal found 2/11$396
This eDestinos deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:18 pm
SJU
-
ONT
2 stops34h 24m
Frontier
Fri 4/245:33 pm
ONT
-
SJU
2 stops41h 35m
Frontier
Deal found 2/13$399
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:49 pm
SJU
-
ONT
1 stop30h 53m
Multiple Airlines
Fri 4/248:26 am
ONT
-
SJU
2 stops13h 14m
Multiple Airlines
Deal found 2/13$400
This eDestinos deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:05 am
SJU
-
ONT
2 stops20h 54m
Frontier
Wed 3/47:17 pm
ONT
-
SJU
2 stops27h 36m
Frontier
Deal found 2/11$401
This American Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:33 am
SJU
-
ONT
1 stop15h 09m
American Airlines
Mon 3/27:05 pm
ONT
-
SJU
2 stops12h 51m
American Airlines
Deal found 2/12$410
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:40 pm
MBJ
-
ONT
2 stops28h 38m
United Airlines
Sun 6/286:00 am
ONT
-
MBJ
2 stops29h 30m
United Airlines
Deal found 2/10$439
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:12 am
KIN
-
ONT
2 stops15h 47m
American Airlines
Mon 3/27:05 pm
ONT
-
KIN
2 stops12h 17m
American Airlines
Deal found 2/11$545
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/253:29 pm
KIN
-
ONT
2 stops21h 37m
American Airlines
Sat 2/2810:37 pm
ONT
-
KIN
2 stops18h 31m
American Airlines
Deal found 2/11$566

Find flight deals from Caribbean Islands to Ontario

Keep the following information in mind while searching for Caribbean Islands to Ontario flight deals. Data was last updated February 14, 2026.

Round-trip from

$342
(Southwest)

One-way from

$132
(Kiwi.com)
From Caribbean Islands to Ontario
One-way flight from Caribbean Islands to Ontario

Cheapflights Fare Finder

 
Customize your flight search to find flights from Caribbean Islands to Ontario 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 2,558,603 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from Caribbean Islands to Ontario that are best for you.

Fly from

Caribbean Islands

Fly to

Ontario

Route

Depart

Return

Price

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Wed 3/4

3:53 pm-10:49 pm

1 stop9h 56m

Ontario

Sat 6/6

2:18 pm-11:45 am

2 stops19h 27m

$358

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 5/29

5:05 am-3:15 pm

2 stops13h 10m

Ontario

Mon 6/22

9:40 am-12:25 am

1 stop11h 45m

$368

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 4/17

7:25 am-9:07 pm

1 stop16h 42m

Ontario

Fri 4/24

10:26 pm-8:51 pm

1 stop19h 25m

$389

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 2/26

4:11 pm-8:48 pm

2 stops32h 37m

Ontario

Mon 3/2

6:43 pm-3:06 pm

2 stops16h 23m

$396

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 4/17

6:49 pm-10:42 pm

1 stop30h 53m

Ontario

Fri 4/24

8:26 am-12:40 am

2 stops13h 14m

$400

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Wed 6/17

2:40 pm-5:18 pm

2 stops28h 38m

Ontario

Sun 6/28

6:00 am-1:30 pm

2 stops29h 30m

$439

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 2/26

2:12 pm-9:05 pm

1 stop10h 53m

Ontario

Mon 3/2

10:20 pm-1:01 pm

1 stop10h 41m

$440

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 4/17

6:50 am-8:05 pm

2 stops16h 15m

Ontario

Fri 4/24

9:55 pm-12:55 pm

2 stops12h 00m

$468

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 2/28

7:33 am-4:19 pm

1 stop12h 46m

Ontario

Wed 3/4

6:00 am-11:31 pm

1 stop13h 31m

$504

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 2/28

8:05 am-8:50 pm

2 stops16h 45m

Ontario

Wed 3/4

5:00 am-10:22 pm

2 stops13h 22m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 60 results
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Best time to book a flight from Caribbean Islands to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Caribbean Islands 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.

Cheapflights Insights

Everything you need to know about your flight from Caribbean Islands to Ontario

What is the cheapest month to book a flight from Caribbean Islands to Ontario?

Currently, October is the cheapest month in which you can book a flight from Caribbean Islands to Ontario (average of $172). Flying from Caribbean Islands to Ontario in November is currently the most expensive (average of $282). 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.

Related info for your journey

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

    If you book a flight to Ontario from Caribbean Islands, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Caribbean Islands to Ontario?

    For as low as $358, American Airlines can have you in Ontario from Caribbean Islands in 9h 56m. Caribbean Islands and Ontario are separated by a distance of 2660 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $171. Users have also found prices from $178 and $192 on American Airlines and Southwest, respectively.

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

  • Can I find deals for flights from Caribbean Islands to Ontario that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Caribbean Islands to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Caribbean Islands to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Caribbean Islands to Ontario (average of $172). Flying from Caribbean Islands to Ontario in November is currently the most expensive (average of $282). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Caribbean Islands to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Caribbean Islands to Ontario

Discover the top 2 airlines that operate flights from Caribbean Islands to Ontario. 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 2,558,603 searches. Data last updated February 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$355Average$600FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$367Average$520FlexibilityNo cancel feeOn-time69%

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