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Port of Spain

$321+ 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
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
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 September 19, 2025.

Round-trip from

$567
(Priceline)

One-way from

$321
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$593
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. 8% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 19, 2025.

This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:56 pmONT - POS
1 stop12h 38mJetBlue
Fri 10/173:59 pmPOS - ONT
1 stop32h 30mJetBlue
Deal found 9/17$567
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/186:00 amONT - POS
1 stop14h 23mUnited Airlines
Fri 10/2412:30 amPOS - ONT
2 stops22h 54mUnited Airlines
Deal found 9/18$813
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/46:00 amONT - POS
1 stop14h 23mUnited Airlines
Fri 10/1712:30 amPOS - ONT
2 stops15h 21mUnited Airlines
Deal found 9/17$863
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/36:00 amONT - POS
1 stop14h 23mUnited Airlines
Mon 10/612:30 amPOS - ONT
2 stops14h 43mUnited Airlines
Deal found 9/17$913
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 9/206:04 amONT - POS
1 stop14h 19mUnited Airlines
Tue 10/712:30 amPOS - ONT
2 stops14h 43mUnited Airlines
Deal found 9/17$988
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 10/96:00 amONT - POS
1 stop14h 23mUnited Airlines
Mon 10/1312:30 amPOS - ONT
1 stop23h 54mUnited Airlines
Deal found 9/18$1,035
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/46:00 amONT - POS
1 stop14h 23mUnited Airlines
Thu 10/1612:30 amPOS - ONT
2 stops15h 21mUnited Airlines
Deal found 9/17$1,037
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/36:00 amONT - POS
1 stop14h 23mUnited Airlines
Sun 10/1212:30 amPOS - ONT
2 stops14h 43mUnited Airlines
Deal found 9/17$1,125

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 September 19, 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

Sat 10/18

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Fri 10/24

12:30 am-8:24 pm

2 stops22h 54m

$813

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 10/9

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Mon 10/13

12:30 am-12:51 pm

2 stops15h 21m

$863

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 10/17

12:30 am-12:13 pm

2 stops14h 43m

$863

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sat 10/4

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Thu 10/16

12:30 am-12:51 pm

2 stops15h 21m

$1,037

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 10/3

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Sun 10/12

12:30 am-12:13 pm

2 stops14h 43m

$1,125

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 10/17

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Thu 10/23

12:30 am-9:24 pm

1 stop23h 54m

$1,480

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sat 12/20

5:05 am-1:10 am

2 stops40h 05m

Port of Spain Piarco Intl

Sun 12/28

2:15 am-10:01 am

2 stops35h 46m

$2,236

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sat 12/20

6:04 am-12:23 am

1 stop14h 19m

Port of Spain Piarco Intl

Mon 12/29

1:30 am-9:52 pm

1 stop24h 22m

$2,260

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 11/27

5:05 am-12:23 am

2 stops15h 18m

$418

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 1/7

1:20 pm-12:23 am

2 stops31h 03m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 14 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.

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.

  • How long is the flight from Ontario to Port of Spain?

    There are many flights that can get you from Ontario to Port of Spain in 14h 23m. Fly via United Airlines to get the fastest option. There are 3885 mi between Ontario and Port of Spain.

  • 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

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