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Port of Spain

$236+ Cheap flights from Ontario (ONT) to Port of Spain (POS)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — POS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Ontario to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Port of Spain (POS). 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 August 14, 2025.

Round-trip from

$590
(Priceline)

One-way from

$236
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$568
From Ontario to Port of Spain Piarco Intl
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One-way flight from Ontario to Port of Spain Piarco Intl
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Highest demand for flights based on searches. 10% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 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 Ontario to Port of Spain

Cheapest flights from Ontario to Port of Spain
Explore the most affordable flight options available from Ontario to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Priceline deal was found by Cheapflights users on 8/14. 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.
Tue 9/1610:56 pmONT - POS
1 stop12h 38mJetBlue
Fri 9/263:59 pmPOS - ONT
1 stop32h 30mJetBlue
Deal found 8/14$590
This American Airlines deal was found by Cheapflights users on 8/14. 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 11/1410:34 pmONT - POS
2 stops21h 02mAmerican Airlines
Mon 11/174:28 pmPOS - ONT
2 stops25h 34mAmerican Airlines
Deal found 8/14$643
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/56:00 amONT - POS
1 stop14h 23mUnited Airlines
Fri 10/2412:30 amPOS - ONT
2 stops15h 21mUnited Airlines
Deal found 8/14$753
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 10/176:00 amONT - POS
1 stop14h 23mUnited Airlines
Mon 10/2712:30 amPOS - ONT
2 stops15h 07mUnited Airlines
Deal found 8/13$793
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/216:04 amONT - POS
1 stop14h 19mUnited Airlines
Wed 9/2412:30 amPOS - ONT
2 stops22h 54mUnited Airlines
Deal found 8/12$833
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/281:42 pmONT - POS
2 stops30h 41mUnited Airlines
Wed 9/1012:30 amPOS - ONT
2 stops20h 07mUnited Airlines
Deal found 8/14$843
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/226:00 amONT - POS
1 stop14h 23mUnited Airlines
Wed 10/2912:30 amPOS - ONT
2 stops15h 07mUnited Airlines
Deal found 8/13$868
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/166:04 amONT - POS
1 stop14h 19mUnited Airlines
Thu 9/2512:30 amPOS - ONT
2 stops15h 21mUnited Airlines
Deal found 8/14$878
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/196:04 amONT - POS
1 stop14h 19mUnited Airlines
Sun 9/2812:30 amPOS - ONT
2 stops14h 43mUnited Airlines
Deal found 8/14$898
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 11/146:05 amONT - POS
1 stop14h 18mUnited Airlines
Sun 11/161:30 amPOS - ONT
2 stops15h 07mUnited Airlines
Deal found 8/14$908

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Port of Spain 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 14, 2025.
Use the filters below to find and compare flights from Ontario to Port of Spain that are best for you.

Fly from

Ontario

Fly to

Port of Spain

Route

Depart

Return

Price

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 9/16

10:56 pm-2:34 pm

1 stop12h 38m

Port of Spain Piarco Intl

Fri 9/26

3:59 pm-9:29 pm

1 stop32h 30m

$590

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 9/19

10:56 pm-2:38 pm

1 stop12h 42m

Port of Spain Piarco Intl

Mon 9/29

3:59 pm-9:29 pm

1 stop32h 30m

$599

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 11/14

10:34 pm-11:36 pm

2 stops21h 02m

Port of Spain Piarco Intl

Mon 11/17

4:28 pm-2:02 pm

2 stops25h 34m

$643

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Mon 11/24

6:05 am-12:23 am

1 stop14h 18m

Port of Spain Piarco Intl

Fri 12/5

1:30 am-12:32 pm

2 stops15h 02m

$753

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 10/24

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Mon 10/27

12:30 am-12:37 pm

2 stops15h 07m

$753

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sun 10/5

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Fri 10/24

12:30 am-12:51 pm

2 stops15h 21m

$753

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 10/17

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Mon 10/27

12:30 am-12:37 pm

2 stops15h 07m

$793

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sun 9/21

7:16 pm-2:16 pm

2 stops16h 00m

Port of Spain Piarco Intl

Thu 9/25

3:25 pm-1:54 pm

2 stops25h 29m

$833

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sun 9/21

6:04 am-11:23 pm

1 stop14h 19m

Port of Spain Piarco Intl

Wed 9/24

12:30 am-8:24 pm

2 stops22h 54m

$833

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 8/28

1:42 pm-11:23 pm

2 stops30h 41m

Port of Spain Piarco Intl

Wed 9/10

12:30 am-5:37 pm

2 stops20h 07m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 17 results
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Best time to book a flight from Ontario to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain 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 Port of Spain

What is the cheapest month to book a flight from Ontario to Port of Spain?

Currently, October is the cheapest month in which you can book a flight from Ontario to Port of Spain (average of $435). Flying from Ontario to Port of Spain in December is currently the most expensive (average of $710). 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.

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. 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 Port of Spain. Reviews last updated August 14, 2025.
See what other customers who have flown with United Airlines from Ontario to Port of Spain have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Ontario to Port of Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Ontario to Port of Spain one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $236. Users have also found prices from $373 and $418 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Ontario to Port of Spain that include hotel bookings?

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

  • How can I find direct flights from Ontario to Port of Spain?

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

  • Can I find deals for business class flights from Ontario to Port of Spain?

    Yes. Cheapflights offers flight deals from Ontario to Port of Spain 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 Port of Spain?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Port of Spain (average of $435). Flying from Ontario to Port of Spain in December is currently the most expensive (average of $710). 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.

Top airline flying from Ontario to Port of Spain

Discover the top airline that operate flights from Ontario to Port of Spain. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$517Average$628FlexibilityNo cancel feeOn-time69%

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