HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$205+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — ONT
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Caribbean to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 30, 2025.

Round-trip from

$365
(Delta)

One-way from

$205
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$454
From Caribbean to Ontario
Search Deals
One-way flight from Caribbean to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 10/17:30 amSJU - ONT
2 stops18h 10mDelta
Thu 10/910:59 pmONT - SJU
1 stop9h 48mDelta
Deal found 6/30$365
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/298:30 amSJU - ONT
2 stops12h 47mAmerican Airlines
Mon 9/111:59 pmONT - SJU
2 stops13h 06mAmerican Airlines
Deal found 6/30$401
This Trip.com deal was found by Cheapflights users on 6/29. 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 7/1612:59 amSJU - ONT
2 stops18h 20mFrontier
Wed 7/237:00 amONT - SJU
2 stops30h 07mFrontier
Deal found 6/29$416
This JetBlue deal was found by Cheapflights users on 6/29. 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.
Wed 10/112:50 pmSJU - ONT
1 stop11h 39mJetBlue
Sun 10/510:56 pmONT - SJU
1 stop12h 58mJetBlue
Deal found 6/29$441
This United Airlines deal was found by Cheapflights users on 6/29. 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 9/301:05 amSJU - ONT
2 stops14h 08mUnited Airlines
Thu 10/96:37 pmONT - SJU
2 stops14h 57mUnited Airlines
Deal found 6/29$455
This Southwest deal was found by Cheapflights users on 6/29. 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.
Sat 8/210:50 amSJU - ONT
1 stop15h 25mSouthwest
Sun 8/108:25 pmONT - SJU
2 stops10h 50mSouthwest
Deal found 6/29$476
This American Airlines deal was found by Cheapflights users on 6/30. 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 11/264:05 pmMBJ - ONT
2 stops19h 39mAmerican Airlines
Wed 12/33:05 pmONT - MBJ
2 stops16h 05mAmerican Airlines
Deal found 6/30$539
This American Airlines deal was found by Cheapflights users on 6/28. 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 10/221:24 pmSTT - ONT
2 stops22h 13mAmerican Airlines
Tue 10/2811:09 pmONT - STT
2 stops10h 41mAmerican Airlines
Deal found 6/28$595
This American Airlines deal was found by Cheapflights users on 6/30. 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 11/264:00 pmKIN - ONT
2 stops20h 28mAmerican Airlines
Wed 12/312:53 pmONT - KIN
2 stops20h 22mAmerican Airlines
Deal found 6/30$660
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/304:12 pmMBJ - ONT
2 stops22h 20mUnited Airlines
Wed 8/67:00 amONT - MBJ
2 stops28h 10mUnited Airlines
Deal found 6/30$742
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Fri 7/259:29 amKIN - ONT
1 stop14h 30mJetBlue
Mon 7/2811:59 pmONT - KIN
1 stop21h 21mJetBlue
Deal found 6/29$749
This JetBlue deal was found by Cheapflights users on 6/30. 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.
Wed 7/3010:39 amMBJ - ONT
1 stop13h 20mJetBlue
Wed 8/611:59 pmONT - MBJ
1 stop11h 09mJetBlue
Deal found 6/30$778

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 June 30, 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

Fri 8/29

8:30 am-6:17 pm

2 stops12h 47m

Ontario

Mon 9/1

11:59 pm-4:05 pm

2 stops13h 06m

$401

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 7/16

12:59 am-4:19 pm

2 stops18h 20m

Ontario

Wed 7/23

7:00 am-4:07 pm

2 stops30h 07m

$416

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 9/12

12:50 pm-9:29 pm

1 stop11h 39m

Ontario

Mon 9/15

10:56 pm-2:54 pm

1 stop12h 58m

$456

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 9/5

7:00 am-8:33 pm

2 stops16h 33m

Ontario

Sun 9/7

6:04 am-8:38 pm

1 stop11h 34m

$475

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 8/2

10:50 am-11:15 pm

1 stop15h 25m

Ontario

Sun 8/10

8:25 pm-10:15 am

2 stops10h 50m

$476

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Wed 11/26

1:35 pm-8:11 pm

1 stop9h 36m

Ontario

Wed 12/3

3:05 pm-10:10 am

2 stops16h 05m

$539

Saint Thomas IslandOntario

STT - ONT

STTONT

Saint Thomas Island Cyril E King

Wed 10/22

1:24 pm-8:00 pm

1 stop9h 36m

Ontario

Tue 10/28

11:09 pm-12:38 pm

1 stop10h 29m

$595

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 7/10

2:40 pm-10:27 pm

1 stop10h 47m

Ontario

Mon 7/14

10:05 pm-1:29 pm

1 stop12h 24m

$620

KingstonOntario

KIN - ONT

KINONT

Kingston Norman Manley

Wed 11/26

4:00 pm-9:28 am

2 stops20h 28m

Ontario

Wed 12/3

12:53 pm-12:15 pm

2 stops20h 22m

$660

Montego BayOntario

MBJ - ONT

MBJONT

Montego Bay Sangster Intl

Wed 7/30

4:12 pm-12:32 pm

2 stops22h 20m

Ontario

Wed 8/6

7:00 am-1:10 pm

2 stops28h 10m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 39 results
1
2
3
4

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 June 30, 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 June 30, 2025.
Read through reviews of airlines operating flights from Caribbean to Ontario, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,969 reviews
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,920 reviews
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 JetBlue, which is currently one of the cheapest options available, starting at $205. American Airlines flights start at $219 while deals on United Airlines start at $248 one-way.

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

    While some choose either Santiago de los Caballeros - Ontario or Saint Thomas Island Cyril E King - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Caribbean to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to San Francisco flights
San Francisco to Las Vegas flights
O'Hare Intl to Las Vegas flights
Seattle to Los Angeles flights
Los Angeles to San Francisco flights
San Francisco to Los Angeles flights
Hobby to Las Vegas flights
Seattle to Las Vegas flights
Atlanta to Las Vegas flights
Seattle to San Francisco flights
Newark to San Francisco flights
O'Hare Intl to Los Angeles flights
George Bush Intcntl to Las Vegas flights
LaGuardia to Los Angeles flights
Los Angeles to Las Vegas flights
Newark to Las Vegas flights
Dulles Intl to Los Angeles flights
Boston to Los Angeles flights
Denver to Las Vegas flights
LaGuardia to Las Vegas flights
Baltimore to Las Vegas flights
Dulles Intl to Las Vegas flights
John F Kennedy Intl to Ontario flights
Portland to Los Angeles flights
Boston to Las Vegas flights
Atlanta to Los Angeles flights
Dallas/Fort Worth to San Diego flights
John F Kennedy Intl to San Diego flights
Reagan-National to Los Angeles flights
Santa Ana to San Francisco flights
Denver to Los Angeles flights
Oakland to Las Vegas flights
Orlando to Las Vegas flights
Orlando to Los Angeles flights
O'Hare Intl to San Francisco flights
San Jose to Las Vegas flights
San Francisco to Santa Ana flights
Dallas/Fort Worth to San Francisco flights
Seattle to Ontario flights
Detroit to Las Vegas flights
Los Angeles to San Jose flights
Santa Ana to Las Vegas flights
Seattle to San Jose flights
Atlanta to San Francisco flights
Seattle to San Diego flights

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$344Average$644FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$347Average$613FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$395Average$734FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.