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Cheap flights from Ontario to Port of Spain from $275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Port of Spain departing on 6/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Port of Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:35 pm - 2:24 pm
ONT
-
POS
22h 49m
2 stops
American Airlines Logo
4:55 pm - 11:48 am
POS
-
ONT
21h 53m
2 stops
$734American Airlines
Wed, Aug 26 - Thu, Sep 3
United Airlines Logo
5:45 am - 11:23 pm
ONT
-
POS
14h 38m
1 stop
United Airlines Logo
12:30 am - 12:12 pm
POS
-
ONT
14h 42m
2 stops
$778United Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
2:08 pm - 2:32 pm
ONT
-
POS
21h 24m
2 stops
American Airlines Logo
3:12 pm - 1:28 pm
POS
-
ONT
25h 16m
2 stops
$809American Airlines
Sat, May 2 - Fri, May 29
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m
1 stop
United Airlines Logo
12:30 am - 8:42 pm
POS
-
ONT
23h 12m
2 stops
$819United Airlines
Sat, May 2 - Thu, May 28
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m
1 stop
United Airlines Logo
12:30 am - 10:46 pm
POS
-
ONT
25h 16m
2 stops
$874United Airlines
Thu, May 14 - Mon, May 25
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m
1 stop
United Airlines Logo
12:30 am - 9:55 pm
POS
-
ONT
24h 25m
1 stop
$885United Airlines
Thu, May 14 - Mon, May 25
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m
2 stops
United Airlines Logo
12:30 am - 9:55 pm
POS
-
ONT
24h 25m
1 stop
$889United Airlines
Thu, May 14 - Mon, May 25
United Airlines Logo
5:45 am - 11:23 pm
ONT
-
POS
14h 38m
1 stop
United Airlines Logo
12:30 am - 5:28 pm
POS
-
ONT
19h 58m
2 stops
$894United Airlines
Fri, May 22 - Thu, May 28
United Airlines Logo
5:45 am - 11:23 pm
ONT
-
POS
14h 38m
1 stop
United Airlines Logo
12:30 am - 12:47 pm
POS
-
ONT
39h 17m
2 stops
$896United Airlines
Mon, May 25 - Sun, May 31
United Airlines Logo
6:59 pm - 11:23 pm
ONT
-
POS
25h 24m
2 stops
United Airlines Logo
12:30 am - 10:46 pm
POS
-
ONT
49h 16m
2 stops
$899United Airlines
Thu, May 14 - Mon, May 25

United Airlines flights from Ontario to Port of Spain

Our best United Airlines deals on Ontario to Port of Spain flight tickets
United Airlines
Aug 26
ONT5:45 amOntario
14h 38m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Sep 2
POS12:30 amPort of Spain Piarco Intl
14h 42m
2 stops
ONT12:12 pmOntario
$778
United Airlines
May 2
ONT6:00 amOntario
14h 23m
1 stop
POS11:23 pmPort of Spain Piarco Intl
May 28
POS12:30 amPort of Spain Piarco Intl
23h 12m
2 stops
ONT8:42 pmOntario
$819
United Airlines
May 14
ONT6:00 amOntario
14h 23m
1 stop
POS11:23 pmPort of Spain Piarco Intl
May 25
POS12:30 amPort of Spain Piarco Intl
25h 16m
2 stops
ONT10:46 pmOntario
$874

American Airlines flights from Ontario to Port of Spain

Our best American Airlines deals on Ontario to Port of Spain flight tickets
American Airlines
Aug 26
ONT12:35 pmOntario
22h 49m
2 stops
POS2:24 pmPort of Spain Piarco Intl
Sep 3
POS4:55 pmPort of Spain Piarco Intl
21h 53m
2 stops
ONT11:48 amOntario
$734
American Airlines
May 2
ONT2:08 pmOntario
21h 24m
2 stops
POS2:32 pmPort of Spain Piarco Intl
May 29
POS3:12 pmPort of Spain Piarco Intl
25h 16m
2 stops
ONT1:28 pmOntario
$809
American Airlines
May 8
ONT10:26 pmOntario
13h 06m
2 stops
POS2:32 pmPort of Spain Piarco Intl
May 23
POS7:00 amPort of Spain Piarco Intl
14h 31m
2 stops
ONT6:31 pmOntario
$1,374

momondo 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, momondo users made 832,500 searches. Data last updated April 11, 2026.
Use the filters below to find and compare flights from Ontario to Port of Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 8/26

12:35 pm-2:24 pm

2 stops22h 49m

Port of Spain Piarco Intl

Thu 9/3

4:55 pm-11:48 am

2 stops21h 53m

$734
Quickest round-trip

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 8/26

5:45 am-11:23 pm

1 stop14h 38m

Port of Spain Piarco Intl

Wed 9/2

12:30 am-12:12 pm

2 stops14h 42m

$778

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sat 5/2

2:08 pm-2:32 pm

2 stops21h 24m

Port of Spain Piarco Intl

Fri 5/29

3:12 pm-1:28 pm

2 stops25h 16m

$809

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sat 5/2

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Thu 5/28

12:30 am-8:42 pm

2 stops23h 12m

$819

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/14

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Mon 5/25

12:30 am-10:46 pm

2 stops25h 16m

$874

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/14

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Mon 5/25

12:30 am-9:55 pm

1 stop24h 25m

$885

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/14

6:00 am-11:23 pm

2 stops14h 23m

Port of Spain Piarco Intl

Mon 5/25

12:30 am-9:55 pm

1 stop24h 25m

$889

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 5/22

5:45 am-11:23 pm

1 stop14h 38m

Port of Spain Piarco Intl

Thu 5/28

12:30 am-5:28 pm

2 stops19h 58m

$894

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Mon 5/25

5:45 am-11:23 pm

1 stop14h 38m

Port of Spain Piarco Intl

Sun 5/31

12:30 am-12:47 pm

2 stops39h 17m

$896

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/14

6:59 pm-11:23 pm

2 stops25h 24m

Port of Spain Piarco Intl

Mon 5/25

12:30 am-10:46 pm

2 stops49h 16m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Port of Spain from

How to get the cheapest flight ticket from Ontario to Port of Spain

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Ontario to Port of Spain flights?

You could potentially save up to 15% on your flight if you consider stops on a Ontario to Port of Spain flight.

When to book flights from Ontario to Port of Spain

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Port of Spain according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Port of Spain (ONT to POS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Port of Spain

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Ontario to Port of Spain takes 11h 55m
There are no direct flights from Ontario to Port of Spain. There are no popular flight routes from Ontario to Port of Spain.
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Frequently asked questions about flying from Ontario to Port of Spain

  • How far is Ontario to Port of Spain Piarco Intl by plane?

    Port of Spain Piarco Intl is 3875.9 mi away from Ontario. 11h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ontario Airport to Port of Spain Piarco Intl Airport?

    Prices for flights from Ontario Airport to Port of Spain Piarco Intl Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Port of Spain Piarco Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Port of Spain Piarco Intl Airport.

  • What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?

    The travel and health documents you'll need for your trip to Port of Spain Piarco Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Port of Spain Piarco Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
Piarco

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Port of Spain?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Port of Spain from Ontario.

Can I find flights from Ontario to Port of Spain with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Port of Spain flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Port of Spain?

Once you have performed a search for Ontario to Port of Spain flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Port of Spain right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Port of Spain now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Port of Spain and let you know when they change.

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