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$142+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:06 pmSJU - ONT
1 stop16h 18mFrontier
Thu 1/14:16 pmONT - SJU
1 stop10h 18mFrontier
Deal found 12/22$374
This Frontier deal was found by Cheapflights users on 12/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:06 pmSJU - ONT
1 stop16h 18mFrontier
Thu 1/14:16 pmONT - SJU
1 stop10h 18mFrontier
Deal found 12/21$405
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:10 pmSJU - ONT
1 stop13h 13mDelta
Thu 1/17:05 amONT - SJU
1 stop12h 15mDelta
Deal found 12/22$494
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:07 pmSJU - ONT
2 stops13h 26mDelta
Thu 1/17:05 amONT - SJU
1 stop12h 15mDelta
Deal found 12/22$539
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/243:46 pmSJU - ONT
1 stop10h 06mUnited Airlines
Sat 1/36:10 amONT - SJU
1 stop11h 16mUnited Airlines
Deal found 12/21$584
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/2612:30 pmSJU - ONT
2 stops13h 22mAmerican Airlines
Sun 1/410:40 pmONT - SJU
1 stop8h 59mAmerican Airlines
Deal found 12/22$585
This United Airlines deal was found by Cheapflights users on 12/22. 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 12/2310:15 amSJU - ONT
2 stops14h 52mUnited Airlines
Mon 1/511:59 pmONT - SJU
1 stop11h 41mUnited Airlines
Deal found 12/22$599
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Sun 12/287:00 amSJU - ONT
1 stop15h 16mAmerican Airlines
Thu 1/16:20 amONT - SJU
2 stops13h 02mAmerican Airlines
Deal found 12/22$605
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/252:25 pmSJU - ONT
1 stop10h 42mUnited Airlines
Sat 12/276:04 amONT - SJU
1 stop11h 22mUnited Airlines
Deal found 12/21$619
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/233:20 pmMBJ - ONT
1 stop9h 32mUnited Airlines
Sun 12/286:04 amONT - MBJ
1 stop28h 56mUnited Airlines
Deal found 12/21$637

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 December 23, 2025.

Round-trip from

$283
(American Airlines)

One-way from

$142
(American Airlines)
From Caribbean Islands to Ontario
Search Deals
One-way flight from Caribbean Islands to Ontario
Search Deals

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 December 23, 2025.
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

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 1/13

6:00 am-6:20 pm

2 stops16h 20m

Ontario

Sat 1/17

4:45 pm-12:30 pm

2 stops15h 45m

$283

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 1/14

6:00 am-6:20 pm

2 stops16h 20m

Ontario

Sun 1/18

6:00 am-10:26 pm

1 stop12h 26m

$308

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 1/14

7:45 am-8:58 pm

2 stops17h 13m

Ontario

Sun 1/18

1:24 pm-6:11 am

2 stops12h 47m

$373

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Fri 1/30

3:20 pm-12:17 pm

3 stops23h 57m

Ontario

Fri 2/6

6:39 pm-12:07 pm

2 stops14h 28m

$378

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 5/19

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

Wed 6/3

11:25 pm-12:49 pm

1 stop10h 24m

$398

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 5/18

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

Sun 5/24

11:25 pm-1:47 pm

1 stop11h 22m

$400

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 5/16

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

Sat 5/23

11:25 pm-12:49 pm

1 stop10h 24m

$400

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 5/16

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

Sun 5/24

11:25 pm-12:49 pm

1 stop10h 24m

$400

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Sat 2/28

12:40 pm-11:59 pm

2 stops14h 19m

Ontario

Wed 4/1

5:24 pm-2:46 pm

2 stops19h 22m

$411

Santiago de los CaballerosOntario

STI - ONT

STIONT

Santiago de los Caballeros

Wed 2/4

4:00 pm-9:58 pm

2 stops33h 58m

Ontario

Sat 2/7

1:24 pm-11:46 am

2 stops18h 22m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 47 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, February is the cheapest month in which you can book a flight from Caribbean Islands to Ontario (average of $149). 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.

What is the cheapest time of day to fly from EPX to ONT?

Find hourly flight availability from Caribbean Islands to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Caribbean Islands to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

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 $411, American Airlines can have you in Ontario from Caribbean Islands in 14h 19m. 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 $172 and $178 on Delta and American Airlines, respectively.

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

    The most popular route from Caribbean Islands to Ontario is San Juan Luis Munoz Marin Intl - Ontario. You may also consider Montego Bay Sangster Intl - Ontario or Kingston Norman Manley - 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, February is the cheapest month in which you can book a flight from Caribbean Islands to Ontario (average of $149). 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

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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.
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$355Average$574FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$367Average$520FlexibilityNo cancel feeOn-time69%

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