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$84+ Cheap flights from Ontario (ONT) to Caribbean

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Ontario to Caribbean

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Caribbean (0CB). 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 November 20, 2024.

Find flight deals from Ontario to Caribbean

Cheapest flights from Ontario to Caribbean
Explore the most affordable flight options available from Ontario to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:45 amONT - SJU
2 stops24h 38mFrontier
Wed 12/1810:18 amSJU - ONT
2 stops17h 41mFrontier
Deal found 11/19$240
This eDestinos deal was found by Cheapflights users on 11/18. 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.
Mon 11/256:30 amONT - SJU
1 stop26h 09mMultiple Airlines
Tue 12/39:15 pmSJU - ONT
2 stops50h 44mMultiple Airlines
Deal found 11/18$380
This Frontier deal was found by Cheapflights users on 11/18. 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.
Fri 12/1310:39 amONT - PUJ
2 stops21h 50mFrontier
Thu 12/191:54 pmPUJ - ONT
2 stops21h 15mFrontier
Deal found 11/18$446
This Delta deal was found by Cheapflights users on 11/19. 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.
Sat 12/77:10 amONT - SJU
1 stop12h 13mDelta
Tue 12/173:30 pmSJU - ONT
1 stop11h 32mDelta
Deal found 11/19$499
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/611:58 amONT - MBJ
2 stops41h 56mFrontier
Tue 12/102:17 pmMBJ - ONT
2 stops43h 57mFrontier
Deal found 11/18$538
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/1712:53 pmONT - SJU
2 stops19h 07mAmerican Airlines
Tue 12/245:18 amSJU - ONT
2 stops19h 19mAmerican Airlines
Deal found 11/19$549
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/1510:35 amONT - PLS
2 stops26h 30mUnited Airlines
Sat 1/182:30 pmPLS - ONT
2 stops22h 21mUnited Airlines
Deal found 11/19$598
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/106:10 amONT - SJU
1 stop11h 16mUnited Airlines
Tue 1/143:46 pmSJU - ONT
1 stop10h 11mUnited Airlines
Deal found 11/20$618
This Delta deal was found by Cheapflights users on 11/18. 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.
Tue 12/246:52 amONT - NAS
1 stop11h 53mDelta
Wed 1/83:06 pmNAS - ONT
1 stop10h 46mDelta
Deal found 11/18$623
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/106:28 pmONT - PUJ
2 stops19h 07mUnited Airlines
Wed 12/181:00 pmPUJ - ONT
2 stops27h 40mUnited Airlines
Deal found 11/19$648
This eDestinos deal was found by Cheapflights users on 11/19. 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.
Mon 12/210:05 pmONT - SDQ
2 stops39h 29mMultiple Airlines
Tue 12/106:29 pmSDQ - ONT
3 stops40h 45mMultiple Airlines
Deal found 11/19$661
This Frontier deal was found by Cheapflights users on 11/19. 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.
Tue 12/2412:22 pmONT - SDQ
2 stops20h 43mFrontier
Sun 12/2912:02 pmSDQ - ONT
2 stops23h 07mFrontier
Deal found 11/19$697

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 2,629,791 searches. Data last updated November 20, 2024.

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Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 12/11

7:45 am-12:23 pm

2 stops24h 38m

San Juan Luis Munoz Marin Intl

Wed 12/18

10:18 am-11:59 pm

2 stops17h 41m

$240

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 1/28

7:00 am-11:45 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Tue 2/4

2:02 pm-10:52 pm

1 stop12h 50m

$354

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Fri 1/31

10:40 am-1:00 pm

2 stops22h 20m

Punta Cana

Sun 2/23

2:05 pm-7:26 am

2 stops21h 21m

$387

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 2/5

2:44 pm-1:35 pm

2 stops18h 51m

San Juan Luis Munoz Marin Intl

Mon 2/10

6:00 am-6:24 pm

2 stops16h 24m

$424

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Wed 1/22

6:15 am-10:22 pm

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Mon 1/27

2:05 am-12:41 pm

2 stops14h 36m

$434

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Tue 3/18

11:30 am-12:10 am

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Wed 3/26

5:35 am-4:10 pm

2 stops13h 35m

$444

OntarioSanto Domingo

ONT - SDQ

ONTSDQ

Ontario

Tue 1/14

10:56 am-11:59 am

2 stops21h 03m

Santo Domingo Las Americas

Mon 1/27

4:58 pm-9:56 am

2 stops20h 58m

$468

OntarioMontego Bay

ONT - MBJ

ONTMBJ

Ontario

Sat 2/1

7:59 pm-10:38 am

2 stops11h 39m

Montego Bay Sangster Intl

Thu 2/6

11:44 am-11:47 pm

2 stops15h 03m

$483

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Wed 2/26

6:00 am-7:51 pm

1 stop10h 51m

Nassau Intl

Tue 3/4

11:00 am-9:27 pm

1 stop13h 27m

$492

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Sun 1/12

7:30 pm-11:50 am

2 stops12h 20m

Saint Thomas Island Cyril E King

Wed 1/22

6:31 pm-1:51 pm

2 stops23h 20m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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

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

Travel insights for flights from Ontario to Caribbean

Get recent, data-driven insights about flights from Ontario to Caribbean including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $254). Flying from Ontario to Caribbean in March is currently the most expensive (average of $335). 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 ONT to CB?

Find hourly flight availability from Ontario to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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.

Rainfall in Caribbean by month

Plan your trip to Caribbean by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean when rainfall is around 2.2 in.

Temperature in Caribbean by month

Plan your trip to Caribbean by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 November 20, 2024.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Copa Airlines
7.8
Good
1,785 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.

  • 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 ($85), American Airlines ($177), and Alaska Airlines ($215).

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

    The most popular route from Ontario to Caribbean is Ontario - San Juan Luis Munoz Marin Intl. You may also consider Ontario - Punta Cana or Ontario - Montego Bay Sangster Intl.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Caribbean (average of $254). Flying from Ontario to Caribbean in March is currently the most expensive (average of $335). 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 Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Caribbean

Discover the top 5 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$260Average$382FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$273Average$708FlexibilityNo cancel feeOn-time62%
DeltaCheapest$334Average$645FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$717FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$403Average$610FlexibilityNo cancel feeOn-time69%
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