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$117+ 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
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
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 December 19, 2024.

Round-trip from

$337
(Trip.com)

One-way from

$117
(Mytrip)
From Ontario to Caribbean
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One-way flight from Ontario to Caribbean
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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 December 19, 2024.

This FlightHub deal was found by Cheapflights users on 12/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:48 pmONT - SJU
1 stop9h 42mFrontier
Sat 1/48:00 amSJU - ONT
1 stop13h 53mFrontier
Deal found 12/18$528
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:05 amONT - SJU
1 stop19h 05mAmerican Airlines
Thu 12/266:25 amSJU - ONT
1 stop16h 08mAmerican Airlines
Deal found 12/18$644
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:05 amONT - PUJ
2 stops31h 10mUnited Airlines
Wed 2/51:00 pmPUJ - ONT
2 stops24h 51mUnited Airlines
Deal found 12/18$763
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/195:05 amONT - SJU
1 stop9h 20mUnited Airlines
Mon 12/232:25 pmSJU - ONT
1 stop10h 24mUnited Airlines
Deal found 12/17$814
This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:05 pmONT - SDQ
2 stops14h 00mFrontier
Wed 1/16:00 amSDQ - ONT
2 stops12h 21mFrontier
Deal found 12/18$816
This Southwest deal was found by Cheapflights users on 12/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:05 amONT - SJU
2 stops14h 05mSouthwest
Tue 12/315:35 amSJU - ONT
2 stops14h 20mSouthwest
Deal found 12/18$919
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2410:39 amONT - NAS
2 stops23h 54mUnited Airlines
Tue 12/313:57 pmNAS - ONT
2 stops21h 01mUnited Airlines
Deal found 12/17$983
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3111:59 pmONT - PLS
1 stop11h 40mAmerican Airlines
Tue 1/73:40 pmPLS - ONT
2 stops23h 18mAmerican Airlines
Deal found 12/18$987
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/277:30 pmONT - MBJ
2 stops13h 24mAmerican Airlines
Wed 1/83:55 pmMBJ - ONT
2 stops21h 01mAmerican Airlines
Deal found 12/18$1,039
This Frontier deal was found by Cheapflights users on 12/18. 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.
Wed 12/1812:59 amONT - PUJ
2 stops12h 31mFrontier
Sun 12/221:54 pmPUJ - ONT
2 stops21h 15mFrontier
Deal found 12/18$1,042
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/1910:29 pmONT - SJU
1 stop11h 51mDelta
Sat 12/213:30 pmSJU - ONT
2 stops12h 58mDelta
Deal found 12/17$1,044
This American Airlines deal was found by Cheapflights users on 12/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:59 pmONT - SDQ
2 stops18h 02mAmerican Airlines
Sat 1/116:00 amSDQ - ONT
2 stops20h 45mAmerican Airlines
Deal found 12/18$1,048

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Thu 1/30

7:56 am-6:05 pm

2 stops30h 09m

San Juan Luis Munoz Marin Intl

Sun 2/2

9:26 pm-5:57 pm

2 stops24h 31m

$337

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 2/28

11:59 pm-3:45 pm

2 stops11h 46m

San Juan Luis Munoz Marin Intl

Wed 3/5

8:15 am-9:02 pm

1 stop16h 47m

$344

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

Wed 2/26

12:59 am-5:39 pm

2 stops12h 40m

Punta Cana

Sun 3/9

1:05 pm-7:26 am

2 stops21h 21m

$374

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Sun 2/9

7:05 am-11:46 pm

1 stop12h 41m

San Juan Luis Munoz Marin Intl

Tue 2/25

6:15 am-11:55 am

1 stop9h 40m

$409

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Mon 1/27

5:10 am-6:25 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Thu 1/30

3:46 pm-9:57 pm

1 stop10h 11m

$434

OntarioSanto Domingo

ONT - SDQ

ONTSDQ

Ontario

Sat 2/1

10:56 am-11:59 am

2 stops21h 03m

Santo Domingo Las Americas

Sat 2/8

4:58 pm-9:59 am

2 stops21h 01m

$468

OntarioNassau

ONT - NAS

ONTNAS

Ontario

Tue 1/28

4:06 pm-7:15 pm

1 stop24h 09m

Nassau Intl

Sat 2/1

11:00 am-6:12 pm

1 stop10h 12m

$485

OntarioPuerto Plata

ONT - POP

ONTPOP

Ontario

Fri 1/31

3:04 pm-3:50 pm

2 stops20h 46m

Puerto Plata La Union

Sun 2/9

4:30 pm-9:09 am

2 stops20h 39m

$488

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

Fri 5/2

5:35 am-9:05 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Fri 5/9

5:35 am-4:10 pm

2 stops13h 35m

$499

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Sun 2/23

10:50 pm-11:45 am

1 stop8h 55m

Saint Thomas Island Cyril E King

Sun 3/2

6:35 pm-12:07 pm

2 stops21h 32m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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 $334). 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 December 19, 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 December 19, 2024.
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

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
4,836 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

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
9,551 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

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
8,600 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

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
7.7
Good
1,721 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

Reviews

1 / 10

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

JetBlue
7.4
Good
3,274 reviews
Southwest
8.1
Very good
4,836 reviews

Boarding

8.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Food

7.2

Crew

8.7

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 ($117), Delta ($172), and American Airlines ($178).

  • 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 - Nassau 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 $334). 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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$260Average$382FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$273Average$694FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$322Average$647FlexibilityNo cancel feeOn-time69%
DeltaCheapest$334Average$649FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$363Average$750FlexibilityNo cancel feeOn-time71%
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