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Cheap flights from Ontario to Port of Spain from $433

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 4/19. 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
6:30 pm - 11:23 pm
ONT
-
POS
25h 53m
2 stops
United Airlines Logo
12:30 am - 8:17 pm
POS
-
ONT
22h 47m
2 stops
$774United Airlines
Thu, May 28 - Sat, May 30
United Airlines Logo
1:33 pm - 11:23 pm
ONT
-
POS
30h 50m
2 stops
United Airlines Logo
12:30 am - 8:17 pm
POS
-
ONT
22h 47m
2 stops
$784United Airlines
Thu, Jun 25 - Sat, Jun 27
United Airlines Logo
11:59 pm - 11:23 pm
ONT
-
POS
20h 24m
2 stops
United Airlines Logo
12:30 am - 5:41 pm
POS
-
ONT
20h 11m
2 stops
$794United Airlines
Mon, Mar 9 - Sun, Mar 15
United Airlines Logo
1:33 pm - 11:23 pm
ONT
-
POS
30h 50m
2 stops
United Airlines Logo
12:30 am - 9:40 pm
POS
-
ONT
24h 10m
1 stop
$798United Airlines
Thu, Jun 25 - Sat, Jun 27
JetBlue Logo
11:25 pm - 2:21 pm
ONT
-
POS
11h 56m
1 stop
JetBlue Logo
3:50 pm - 10:09 pm
POS
-
ONT
33h 19m
1 stop
$851JetBlue
Thu, May 28 - Sun, May 31
United Airlines Logo
6:00 am - 11:23 pm
ONT
-
POS
14h 23m
1 stop
United Airlines Logo
12:30 am - 8:50 pm
POS
-
ONT
23h 20m
2 stops
$864United Airlines
Wed, Mar 25 - Fri, Mar 27
United Airlines Logo
5:00 am - 12:23 am
ONT
-
POS
15h 23m
2 stops
United Airlines Logo
1:30 am - 10:57 pm
POS
-
ONT
25h 27m
2 stops
$894United Airlines
Wed, Mar 4 - Fri, Mar 6
United Airlines Logo
5:55 am - 11:23 pm
ONT
-
POS
14h 28m
1 stop
United Airlines Logo
12:30 am - 9:40 pm
POS
-
ONT
24h 10m
1 stop
$903United Airlines
Fri, Jun 12 - Mon, Jun 15
United Airlines Logo
8:00 am - 12:23 am
ONT
-
POS
12h 23m
1 stop
United Airlines Logo
1:30 am - 10:36 pm
POS
-
ONT
25h 06m
1 stop
$904United Airlines
Wed, Mar 4 - Fri, Mar 6
United Airlines Logo
8:00 am - 12:23 am
ONT
-
POS
12h 23m
1 stop
United Airlines Logo
1:30 am - 10:57 pm
POS
-
ONT
25h 27m
2 stops
$934United Airlines
Wed, Mar 4 - Fri, Mar 6

United Airlines flights from Ontario to Port of Spain

Our best United Airlines deals on Ontario to Port of Spain flight tickets
United Airlines
May 28
ONT6:30 pmOntario
25h 53m
2 stops
POS11:23 pmPort of Spain Piarco Intl
May 30
POS12:30 amPort of Spain Piarco Intl
22h 47m
2 stops
ONT8:17 pmOntario
$774
United Airlines
Jun 25
ONT1:33 pmOntario
30h 50m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Jun 27
POS12:30 amPort of Spain Piarco Intl
22h 47m
2 stops
ONT8:17 pmOntario
$784
United Airlines
Mar 9
ONT11:59 pmOntario
20h 24m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Mar 15
POS12:30 amPort of Spain Piarco Intl
20h 11m
2 stops
ONT5:41 pmOntario
$794

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 February 12, 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

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/28

6:30 pm-11:23 pm

2 stops25h 53m

Port of Spain Piarco Intl

Sat 5/30

12:30 am-8:17 pm

2 stops22h 47m

$774

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 6/25

1:33 pm-11:23 pm

2 stops30h 50m

Port of Spain Piarco Intl

Sat 6/27

12:30 am-8:17 pm

2 stops22h 47m

$784

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Mon 3/9

11:59 pm-11:23 pm

2 stops20h 24m

Port of Spain Piarco Intl

Sun 3/15

12:30 am-5:41 pm

2 stops20h 11m

$794

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 6/25

1:33 pm-11:23 pm

2 stops30h 50m

Port of Spain Piarco Intl

Sat 6/27

12:30 am-9:40 pm

1 stop24h 10m

$798

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Thu 5/28

11:25 pm-2:21 pm

1 stop11h 56m

Port of Spain Piarco Intl

Sun 5/31

3:50 pm-10:09 pm

1 stop33h 19m

$851

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 3/25

6:00 am-11:23 pm

1 stop14h 23m

Port of Spain Piarco Intl

Fri 3/27

12:30 am-8:50 pm

2 stops23h 20m

$864

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 3/4

5:00 am-12:23 am

2 stops15h 23m

Port of Spain Piarco Intl

Fri 3/6

1:30 am-10:57 pm

2 stops25h 27m

$894

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Fri 6/12

5:55 am-11:23 pm

1 stop14h 28m

Port of Spain Piarco Intl

Mon 6/15

12:30 am-9:40 pm

1 stop24h 10m

$903

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 3/4

8:00 am-12:23 am

1 stop12h 23m

Port of Spain Piarco Intl

Fri 3/6

1:30 am-10:36 pm

1 stop25h 06m

$904

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 3/4

8:00 am-12:23 am

1 stop12h 23m

Port of Spain Piarco Intl

Fri 3/6

1:30 am-10:57 pm

2 stops25h 27m

$934

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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

28h 32m

Direct flights

None
The fastest flight from Ontario to Port of Spain takes 28h 32m
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. 28h 32m 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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