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$178+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJU
mar. 30 — abr. 61
dom. 3/30
dom. 4/6
1 adult, Economy
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Cheap flight deals from Ontario to Caribbean

Keep the following information in mind while searching for Ontario to Caribbean flight deals. Data was last updated marzo 25, 2025.

Round-trip from

$355
(American Airlines)

One-way from

$178
(Delta)

Popular in

December

Cheapest in

September

Average price

$501
From Ontario to Caribbean
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One-way flight from Ontario to Caribbean
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Highest demand for flights based on searches. 9% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 marzo 25, 2025.

This United Airlines deal was found by Cheapflights users on 3/23. 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.
lun. 5/56:08 amONT - SJU
2 stops14h 49mUnited Airlines
sáb. 5/107:45 amSJU - ONT
2 stops15h 49mUnited Airlines
Deal found 3/23$355
This Delta deal was found by Cheapflights users on 3/24. 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.
dom. 9/710:59 pmONT - SJU
1 stop11h 24mDelta
sáb. 9/1312:55 pmSJU - ONT
1 stop9h 34mDelta
Deal found 3/24$404
This American Airlines deal was found by Cheapflights users on 3/22. 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.
dom. 8/312:59 amONT - SJU
2 stops14h 11mAmerican Airlines
vie. 8/155:30 amSJU - ONT
1 stop10h 58mAmerican Airlines
Deal found 3/22$405
This Frontier deal was found by Cheapflights users on 3/24. 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.
lun. 4/142:43 pmONT - PUJ
2 stops22h 52mFrontier
jue. 4/175:50 pmPUJ - ONT
2 stops26h 01mFrontier
Deal found 3/24$479
This JetBlue deal was found by Cheapflights users on 3/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/611:00 pmONT - SJU
1 stop12h 53mJetBlue
sáb. 9/1311:30 amSJU - ONT
1 stop13h 11mJetBlue
Deal found 3/23$482
This JetBlue deal was found by Cheapflights users on 3/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/310:40 pmONT - SDQ
1 stop14h 45mJetBlue
mié. 5/710:00 amSDQ - ONT
1 stop14h 11mJetBlue
Deal found 3/24$495
This United Airlines deal was found by Cheapflights users on 3/24. 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.
jue. 5/86:08 amONT - NAS
1 stop6h 50mUnited Airlines
jue. 5/155:00 pmNAS - ONT
1 stop8h 00mUnited Airlines
Deal found 3/24$497
This Trip.com deal was found by Cheapflights users on 3/24. 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.
vie. 4/119:19 amONT - SJU
1 stop11h 20mMultiple Airlines
lun. 4/2112:54 amSJU - ONT
1 stop15h 43mMultiple Airlines
Deal found 3/24$502
This JetBlue deal was found by Cheapflights users on 3/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/810:59 pmONT - PUJ
1 stop13h 34mJetBlue
mar. 5/1311:26 amPUJ - ONT
1 stop12h 45mJetBlue
Deal found 3/24$505
This American Airlines deal was found by Cheapflights users on 3/24. 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.
jue. 4/247:25 pmONT - PUJ
2 stops16h 05mAmerican Airlines
mié. 4/3012:18 pmPUJ - ONT
1 stop12h 52mAmerican Airlines
Deal found 3/24$509
This American Airlines deal was found by Cheapflights users on 3/24. 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.
jue. 4/1711:59 pmONT - NAS
1 stop11h 51mAmerican Airlines
mar. 4/223:55 pmNAS - ONT
1 stop10h 55mAmerican Airlines
Deal found 3/24$517
This JetBlue deal was found by Cheapflights users on 3/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1211:45 pmONT - AUA
1 stop12h 30mJetBlue
sáb. 8/161:30 pmAUA - ONT
1 stop12h 00mJetBlue
Deal found 3/23$517

Cheapflights Fare Finder

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 marzo 25, 2025.
Use the filters below to find and compare flights from Ontario to Caribbean that are best for you.

Fly from

Ontario

Fly to

Caribbean

Route

Depart

Return

Price

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

lun. 5/5

6:08 am-11:57 pm

2 stops14h 49m

San Juan Luis Munoz Marin Intl

sáb. 5/10

7:45 am-8:34 pm

2 stops15h 49m

$355

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

dom. 9/7

10:59 pm-1:23 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

jue. 9/18

12:55 pm-10:29 pm

1 stop12h 34m

$404

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

dom. 8/3

12:59 am-6:10 pm

2 stops14h 11m

San Juan Luis Munoz Marin Intl

vie. 8/15

5:30 am-1:28 pm

1 stop10h 58m

$405

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

lun. 4/14

2:43 pm-4:35 pm

2 stops22h 52m

Punta Cana

jue. 4/17

5:50 pm-4:51 pm

2 stops26h 01m

$479

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

sáb. 9/6

11:00 pm-2:53 pm

1 stop12h 53m

San Juan Luis Munoz Marin Intl

sáb. 9/13

11:30 am-9:41 pm

1 stop13h 11m

$482

OntarioSanto Domingo

ONT - SDQ

ONTSDQ

Ontario

sáb. 5/3

10:40 pm-4:25 pm

1 stop14h 45m

Santo Domingo Las Americas

mié. 5/7

10:00 am-9:11 pm

1 stop14h 11m

$495

OntarioNassau

ONT - NAS

ONTNAS

Ontario

jue. 5/8

6:08 am-3:58 pm

1 stop6h 50m

Nassau Intl

jue. 5/15

5:00 pm-10:00 pm

1 stop8h 00m

$497

OntarioSan Juan

ONT - SJU

ONTSJU

Ontario

vie. 4/11

9:19 am-11:39 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

lun. 4/21

12:54 am-1:37 pm

1 stop15h 43m

$502

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

jue. 5/8

10:59 pm-3:33 pm

1 stop13h 34m

Punta Cana

mar. 5/13

11:26 am-9:11 pm

1 stop12h 45m

$505

OntarioPunta Cana

ONT - PUJ

ONTPUJ

Ontario

jue. 4/24

7:25 pm-2:30 pm

2 stops16h 05m

Punta Cana

mié. 4/30

12:18 pm-10:10 pm

1 stop12h 52m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

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.

Cheapflights Insights

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

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 December is currently the most expensive (average of $336). 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 marzo 25, 2025.

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 marzo 25, 2025.
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,785 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Southwest
8.0
Very good
4,272 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,393 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Delta ($178), JetBlue ($195), and American Airlines ($213).

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

    The most popular route from Ontario to Caribbean is Ontario - Punta Cana. You may also consider Ontario - San Juan Luis Munoz Marin Intl 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 December is currently the most expensive (average of $336). 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 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 2,558,603 searches. Data last updated marzo 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$382FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$273Average$534FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$322Average$655FlexibilityNo cancel feeOn-time69%
DeltaCheapest$334Average$614FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$358Average$771FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$374Average$568FlexibilityNo cancel feeOn-time63%
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