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Ontario

$213+ Cheap flights from Caribbean 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Caribbean to Ontario

Keep the following information in mind while searching for Caribbean to Ontario flight deals. Data was last updated August 18, 2025.

Round-trip from

$335
(Delta)

One-way from

$213
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$454
From Caribbean to Ontario
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One-way flight from Caribbean to Ontario
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Caribbean to Ontario

Cheapest flights from Caribbean to Ontario
Explore the most affordable flight options available from Caribbean to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Delta deal was found by Cheapflights users on 8/16. 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 11/47:15 amSJU - ONT
2 stops19h 26mDelta
Mon 11/1710:59 pmONT - SJU
1 stop11h 16mDelta
Deal found 8/16$335
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sun 11/26:18 pmSJU - ONT
1 stop17h 11mMultiple Airlines
Thu 11/137:39 amONT - SJU
2 stops13h 53mMultiple Airlines
Deal found 8/16$366
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 11/15:18 pmSJU - ONT
1 stop17h 34mMultiple Airlines
Thu 11/137:39 amONT - SJU
2 stops13h 53mMultiple Airlines
Deal found 8/16$379
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 11/69:49 pmSJU - ONT
1 stop25h 00mMultiple Airlines
Thu 11/137:39 amONT - SJU
2 stops13h 53mMultiple Airlines
Deal found 8/16$383
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 10/319:30 amSJU - ONT
2 stops41h 20mMultiple Airlines
Thu 11/137:39 amONT - SJU
1 stop17h 01mMultiple Airlines
Deal found 8/16$397
This Delta deal was found by Cheapflights users on 8/16. 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 11/191:50 pmSJU - ONT
1 stop12h 51mDelta
Thu 12/410:59 pmONT - SJU
1 stop9h 41mDelta
Deal found 8/16$401
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sun 11/26:18 pmSJU - ONT
1 stop17h 11mMultiple Airlines
Fri 11/144:05 pmONT - SJU
2 stops21h 29mMultiple Airlines
Deal found 8/16$408
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/111:25 pmSJU - ONT
1 stop11h 04mJetBlue
Mon 9/1510:56 pmONT - SJU
1 stop10h 46mJetBlue
Deal found 8/16$410
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:10 amSJU - ONT
2 stops18h 14mAmerican Airlines
Sat 10/114:49 pmONT - SJU
2 stops15h 17mAmerican Airlines
Deal found 8/17$411
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 10/302:49 amSJU - ONT
2 stops19h 00mMultiple Airlines
Sun 11/167:47 amONT - SJU
1 stop16h 53mMultiple Airlines
Deal found 8/16$419
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 11/15:18 pmSJU - ONT
1 stop17h 34mMultiple Airlines
Sun 11/164:05 pmONT - SJU
2 stops23h 16mMultiple Airlines
Deal found 8/16$420
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:40 pmSTT - ONT
1 stop11h 56mAmerican Airlines
Tue 10/284:49 pmONT - STT
2 stops17h 00mAmerican Airlines
Deal found 8/17$595

Cheapflights Fare Finder

 
Customize your flight search to find flights from Caribbean 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 August 18, 2025.
Use the filters below to find and compare flights from Caribbean to Ontario that are best for you.

Fly from

Caribbean

Fly to

Ontario

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 11/4

7:15 am-10:41 pm

2 stops19h 26m

Ontario

Mon 11/17

5:05 pm-2:15 pm

2 stops17h 10m

$335

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sun 11/2

6:18 pm-7:29 am

1 stop17h 11m

Ontario

Thu 11/13

7:39 am-1:32 am

2 stops13h 53m

$366

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 11/1

5:18 pm-7:52 am

1 stop17h 34m

Ontario

Thu 11/13

7:39 am-1:32 am

2 stops13h 53m

$379

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 11/6

9:49 pm-6:49 pm

1 stop25h 00m

Ontario

Thu 11/13

7:39 am-1:32 am

2 stops13h 53m

$383

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 10/31

9:30 am-11:50 pm

2 stops41h 20m

Ontario

Thu 11/13

7:39 am-4:40 am

1 stop17h 01m

$397

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 11/19

1:50 pm-10:41 pm

1 stop12h 51m

Ontario

Thu 12/4

10:59 pm-12:40 pm

1 stop9h 41m

$401

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 12/3

3:30 pm-10:41 pm

1 stop11h 11m

Ontario

Thu 12/4

10:59 pm-12:40 pm

1 stop9h 41m

$401

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 11/20

3:30 pm-10:41 pm

1 stop11h 11m

Ontario

Thu 12/4

10:59 pm-12:40 pm

1 stop9h 41m

$401

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sun 11/2

6:18 pm-7:29 am

1 stop17h 11m

Ontario

Fri 11/14

4:05 pm-5:34 pm

2 stops21h 29m

$408

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sun 11/2

6:18 pm-7:29 am

1 stop17h 11m

Ontario

Sat 11/15

1:37 pm-7:21 pm

2 stops25h 44m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 56 results
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Best time to book a flight from Caribbean to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Caribbean to Ontario (average of $246). Flying from Caribbean to Ontario in March is currently the most expensive (average of $328). 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 CB to ONT?

Find hourly flight availability from Caribbean 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 August 18, 2025.

When flying from Caribbean to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 18, 2025.
Read through reviews of airlines operating flights from Caribbean to Ontario, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Caribbean 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?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Caribbean. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $213. American Airlines flights start at $217 while deals on Frontier start at $231 one-way.

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

    While some choose either Saint Thomas Island Cyril E King - Ontario or Montego Bay Sangster Intl - Ontario, San Juan Luis Munoz Marin Intl - Ontario is the most popular route from Caribbean to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Caribbean 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 to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Caribbean to Ontario (average of $246). Flying from Caribbean to Ontario in March is currently the most expensive (average of $328). 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 to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Caribbean to Ontario

Discover the top 3 airlines that operate flights from Caribbean 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$570FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$355Average$527FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$433Average$734FlexibilityNo cancel feeOn-time69%

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