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Cheap flights from Ontario to Port of Spain from $236

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 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Port of Spain

Cheap round-trip flights

JetBlue Logo
10:56 pm - 2:38 pmONT-POS
12h 42m1 stop
JetBlue Logo
3:59 pm - 9:29 pmPOS-ONT
32h 30m1 stop
$595JetBlue
Find Deal
Fri, Sep 5 - Fri, Sep 12
JetBlue Logo
10:56 pm - 2:34 pmONT-POS
12h 38m1 stop
JetBlue Logo
3:59 pm - 9:29 pmPOS-ONT
32h 30m1 stop
$605JetBlue
Find Deal
Tue, Sep 9 - Thu, Sep 18
United Airlines Logo
6:05 am - 12:23 amONT-POS
14h 18m1 stop
United Airlines Logo
1:30 am - 5:34 pmPOS-ONT
20h 04m2 stops
$643United Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
JetBlue Logo
10:56 pm - 2:34 pmONT-POS
12h 38m1 stop
JetBlue Logo
3:59 pm - 9:29 pmPOS-ONT
32h 30m1 stop
$649JetBlue
Find Deal
Tue, Sep 16 - Fri, Sep 26
United Airlines Logo
6:05 am - 12:23 amONT-POS
14h 18m1 stop
United Airlines Logo
1:30 am - 9:37 pmPOS-ONT
24h 07m1 stop
$650United Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
JetBlue Logo
10:56 pm - 2:38 pmONT-POS
12h 42m1 stop
JetBlue Logo
3:59 pm - 9:29 pmPOS-ONT
32h 30m1 stop
$710JetBlue
Find Deal
Fri, Sep 19 - Mon, Sep 29
American Airlines Logo
7:16 pm - 2:16 pmONT-POS
16h 00m2 stops
American Airlines Logo
3:25 pm - 11:55 amPOS-ONT
23h 30m2 stops
$753American Airlines
Find Deal
Sun, Sep 21 - Thu, Sep 25
American Airlines Logo
12:53 pm - 3:10 pmONT-POS
22h 17m2 stops
American Airlines Logo
4:40 pm - 1:42 pmPOS-ONT
25h 02m2 stops
$1,125American Airlines
Find Deal
Wed, Dec 17 - Tue, Dec 30
Logo
1:33 pm - 1:15 amONT-POS
31h 42m2 stops
Logo
1:00 pm - 12:37 pmPOS-ONT
27h 37m3 stops
$2,123
Find Deal
Wed, Nov 12 - Thu, Nov 20
Logo
6:05 am - 12:23 amONT-POS
14h 18m1 stop
Logo
9:10 am - 10:31 pmPOS-ONT
17h 21m2 stops
$3,209
Find Deal
Wed, Nov 12 - Thu, Nov 20

American Airlines flights from Ontario to Port of Spain

Our best American Airlines deals on Ontario to Port of Spain flight tickets
American Airlines
Sep 21
ONT7:16 pmOntario
16h 00m
2 stops
POS2:16 pmPort of Spain Piarco Intl
Sep 25
POS3:25 pmPort of Spain Piarco Intl
23h 30m
2 stops
ONT11:55 amOntario
$753
Find similar
American Airlines
Dec 17
ONT12:53 pmOntario
22h 17m
2 stops
POS3:10 pmPort of Spain Piarco Intl
Dec 30
POS4:40 pmPort of Spain Piarco Intl
25h 02m
2 stops
ONT1:42 pmOntario
$1,125
Find similar

JetBlue flights from Ontario to Port of Spain

Our best JetBlue deals on Ontario to Port of Spain flight tickets
JetBlue
Sep 5
ONT10:56 pmOntario
12h 42m
1 stop
POS2:38 pmPort of Spain Piarco Intl
Sep 12
POS3:59 pmPort of Spain Piarco Intl
32h 30m
1 stop
ONT9:29 pmOntario
$595
Find similar
JetBlue
Sep 9
ONT10:56 pmOntario
12h 38m
1 stop
POS2:34 pmPort of Spain Piarco Intl
Sep 18
POS3:59 pmPort of Spain Piarco Intl
32h 30m
1 stop
ONT9:29 pmOntario
$605
Find similar
JetBlue
Sep 16
ONT10:56 pmOntario
12h 38m
1 stop
POS2:34 pmPort of Spain Piarco Intl
Sep 26
POS3:59 pmPort of Spain Piarco Intl
32h 30m
1 stop
ONT9:29 pmOntario
$649
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 July 31, 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

Fri 9/5

10:56 pm-2:38 pm

1 stop12h 42m

Port of Spain Piarco Intl

Fri 9/12

3:59 pm-9:29 pm

1 stop32h 30m

$595

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Tue 9/9

10:56 pm-2:34 pm

1 stop12h 38m

Port of Spain Piarco Intl

Thu 9/18

3:59 pm-9:29 pm

1 stop32h 30m

$605

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 11/12

6:05 am-12:23 am

1 stop14h 18m

Port of Spain Piarco Intl

Wed 11/19

1:30 am-5:34 pm

2 stops20h 04m

$643

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

$649

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 11/12

6:05 am-12:23 am

1 stop14h 18m

Port of Spain Piarco Intl

Wed 11/19

1:30 am-9:37 pm

1 stop24h 07m

$650

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

$710

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-11:55 am

2 stops23h 30m

$753

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 12/17

12:53 pm-3:10 pm

2 stops22h 17m

Port of Spain Piarco Intl

Tue 12/30

4:40 pm-1:42 pm

2 stops25h 02m

$1,125

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 11/12

1:33 pm-1:15 am

2 stops31h 42m

Port of Spain Piarco Intl

Thu 11/20

1:00 pm-12:37 pm

3 stops27h 37m

$2,123

OntarioPort of Spain

ONT - POS

ONTPOS

Ontario

Wed 11/12

6:05 am-12:23 am

1 stop14h 18m

Port of Spain Piarco Intl

Thu 11/20

9:10 am-10:31 pm

2 stops17h 21m

$3,209

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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.

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

Best Price Found

$236

Fastest flight time

12h 38m

Direct flights

None

Airports in Port of Spain

1 airport
The best one-way flight to Port of Spain from Ontario in the past 72 hours is $236. The best round-trip flight deal from Ontario to Port of Spain found on momondo in the last 72 hours is $595.
The fastest flight from Ontario to Port of Spain takes 12h 38m
There are no direct flights from Ontario to Port of Spain. Popular non-direct route for this connection is Ontario Airport - Port of Spain Piarco Intl Airport.
There is 1 airport near Port of Spain: Port of Spain Piarco Intl (POS)
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  • How far is Ontario to Port of Spain Piarco Intl by plane?

    Port of Spain Piarco Intl is 3875.9 mi away from Ontario. 12h 38m 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 many operators does momondo search for flights from Ontario Airport to Port of Spain Piarco Intl Airport?

  • 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.

  • What is the most popular airline from Ontario to Port of Spain?

Best airlines flying from Ontario to Port of Spain

Compare and see reviews for airlines that fly from Ontario to Port of Spain with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $517Free CancellationRating
7.4
8,902 reviews
Search United Airlines flights

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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