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Cheap flights from Ontario to Port of Spain from $291

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 2/26. 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
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.
United Airlines Logo
6:02 am - 11:23 pm
ONT
-
POS
14h 21m1 stop
United Airlines Logo
12:30 am - 11:06 pm
POS
-
ONT
25h 36m2 stops
$753United Airlines
Thu, Jun 11 - Mon, Jun 15
United Airlines Logo
5:10 am - 11:23 pm
ONT
-
POS
15h 13m2 stops
United Airlines Logo
12:30 am - 8:36 pm
POS
-
ONT
23h 06m2 stops
$868United Airlines
Tue, Apr 14 - Thu, Apr 16
United Airlines Logo
5:10 am - 11:23 pm
ONT
-
POS
15h 13m2 stops
United Airlines Logo
12:30 am - 5:47 pm
POS
-
ONT
44h 17m3 stops
$899United Airlines
Tue, Apr 14 - Thu, Apr 16
United Airlines Logo
6:02 am - 11:23 pm
ONT
-
POS
14h 21m1 stop
United Airlines Logo
12:30 am - 9:21 pm
POS
-
ONT
23h 51m1 stop
$924United Airlines
Thu, Jun 11 - Mon, Jun 15
JetBlue Logo
11:25 pm - 2:21 pm
ONT
-
POS
11h 56m1 stop
JetBlue Logo
3:50 pm - 10:09 pm
POS
-
ONT
33h 19m1 stop
$937JetBlue
Tue, May 5 - Fri, May 15
United Airlines Logo
6:00 am - 12:23 am
ONT
-
POS
38h 23m2 stops
United Airlines Logo
1:30 am - 9:58 pm
POS
-
ONT
24h 28m1 stop
$962United Airlines
Sun, Feb 1 - Sun, Feb 8
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m1 stop
United Airlines Logo
12:30 am - 9:50 pm
POS
-
ONT
24h 20m1 stop
$972United Airlines
Tue, Apr 14 - Thu, Apr 16
United Airlines Logo
1:24 pm - 12:23 am
ONT
-
POS
54h 59m2 stops
United Airlines Logo
1:30 am - 10:57 pm
POS
-
ONT
25h 27m2 stops
$984United Airlines
Tue, Feb 3 - Tue, Feb 24
United Airlines Logo
1:24 pm - 12:23 am
ONT
-
POS
54h 59m2 stops
United Airlines Logo
1:30 am - 9:59 pm
POS
-
ONT
24h 29m1 stop
$997United Airlines
Tue, Feb 3 - Tue, Feb 24
United Airlines Logo
6:00 am - 12:23 am
ONT
-
POS
38h 23m2 stops
United Airlines Logo
1:30 am - 5:43 pm
POS
-
ONT
20h 13m2 stops
$1,152United Airlines
Sun, Feb 1 - Sun, Feb 8

United Airlines flights from Ontario to Port of Spain

Our best United Airlines deals on Ontario to Port of Spain flight tickets
United Airlines
Jun 11
ONT6:30 pmOntario
25h 53m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Jun 15
POS12:30 amPort of Spain Piarco Intl
19h 48m
2 stops
ONT5:18 pmOntario
$753
Find similar
United Airlines
Apr 14
ONT1:27 pmOntario
30h 56m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Apr 16
POS12:30 amPort of Spain Piarco Intl
23h 06m
2 stops
ONT8:36 pmOntario
$868
Find similar
United Airlines
Apr 14
ONT1:27 pmOntario
30h 56m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Apr 16
POS12:30 amPort of Spain Piarco Intl
44h 17m
3 stops
ONT5:47 pmOntario
$899
Find similar

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 December 23, 2025.
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

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 6/11

6:02 am-11:23 pm

1 stop14h 21m

Port of Spain Piarco Intl

Mon 6/15

12:30 am-11:06 pm

2 stops25h 36m

$753

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 4/14

5:10 am-11:23 pm

2 stops15h 13m

Port of Spain Piarco Intl

Thu 4/16

12:30 am-8:36 pm

2 stops23h 06m

$868

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 4/14

5:10 am-11:23 pm

2 stops15h 13m

Port of Spain Piarco Intl

Thu 4/16

12:30 am-5:47 pm

3 stops44h 17m

$899

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 6/11

6:02 am-11:23 pm

1 stop14h 21m

Port of Spain Piarco Intl

Mon 6/15

12:30 am-9:21 pm

1 stop23h 51m

$924

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 5/5

11:25 pm-2:21 pm

1 stop11h 56m

Port of Spain Piarco Intl

Fri 5/15

3:50 pm-10:09 pm

1 stop33h 19m

$937

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sun 2/1

6:00 am-12:23 am

2 stops38h 23m

Port of Spain Piarco Intl

Sun 2/8

1:30 am-9:58 pm

1 stop24h 28m

$962

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 4/14

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Thu 4/16

12:30 am-9:50 pm

1 stop24h 20m

$972

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 2/3

1:24 pm-12:23 am

2 stops54h 59m

Port of Spain Piarco Intl

Tue 2/24

1:30 am-10:57 pm

2 stops25h 27m

$984

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 2/3

1:24 pm-12:23 am

2 stops54h 59m

Port of Spain Piarco Intl

Tue 2/24

1:30 am-9:59 pm

1 stop24h 29m

$997

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Sun 2/1

6:00 am-12:23 am

2 stops38h 23m

Port of Spain Piarco Intl

Sun 2/8

1:30 am-5:43 pm

2 stops20h 13m

$1,152

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

What is the cheapest day to depart on your flight to Port of Spain?

The cheapest day to depart from Ontario to Port of Spain is on a Saturday when prices can be found for as low as $589. Flights from Ontario to Port of Spain on a Friday will generally be more expensive and average around $846. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Port of Spain?

In the afternoon is the cheapest time of day to fly from Ontario to Port of Spain when you can find flight prices for as low as $622. Flying to Port of Spain in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Port of Spain, so prices are often more expensive at around $678 per ticket.

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

You could potentially save up to 28% 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

14h 19m

Direct flights

None
The fastest flight from Ontario to Port of Spain takes 14h 19m
There are no direct flights from Ontario to Port of Spain. There are no popular flight routes from Ontario to Port of Spain.
Search flight deals

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

    Port of Spain Piarco Intl is 3875.9 mi away from Ontario. 14h 19m 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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