$236 Cheap Flights from San Diego (SAN) to Port of Spain (POS)

View $236 flight on Thu, Jun 5, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from San Diego to Port of Spain (SAN-POS)

Prices were available within the past 7 days and start at $236 for one-way flights and $524 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jul 9 - Wed, Aug 27
SAN
San Diego
POS
Trinidad
$524 Roundtrip, found 1 day ago
$524
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 9 from San Diego to Trinidad, returning Wed, Aug 27, priced at $524 found 1 day ago
United
Fri, Jul 25 - Mon, Jul 28
SAN
San Diego
POS
Trinidad
$524 Roundtrip, found 5 hours ago
$524
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Jul 25 from San Diego to Trinidad, returning Mon, Jul 28, priced at $524 found 5 hours ago
American Airlines
Sat, May 17 - Sat, May 24
CLD
Carlsbad
POS
Trinidad
$529 Roundtrip, found 23 hours ago
$529
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, May 17 from Carlsbad to Trinidad, returning Sat, May 24, priced at $529 found 23 hours ago
American Airlines
Thu, Jul 24 - Mon, Jul 28
SAN
San Diego
POS
Trinidad
$529 Roundtrip, found 5 hours ago
$529
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Jul 24 from San Diego to Trinidad, returning Mon, Jul 28, priced at $529 found 5 hours ago
American Airlines
Sat, May 17 - Sat, May 24
CLD
Carlsbad
POS
Trinidad
$529 Roundtrip, found 5 days ago
$529
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 17 from Carlsbad to Trinidad, returning Sat, May 24, priced at $529 found 5 days ago
American Airlines
Wed, Aug 6 - Sun, Aug 10
SAN
San Diego
POS
Trinidad
$534 Roundtrip, found 11 hours ago
$534
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Aug 6 from San Diego to Trinidad, returning Sun, Aug 10, priced at $534 found 11 hours ago
United
Fri, Jul 25 - Mon, Jul 28
SAN
San Diego
POS
Trinidad
$535 Roundtrip, found 5 hours ago
$535
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Jul 25 from San Diego to Trinidad, returning Mon, Jul 28, priced at $535 found 5 hours ago
JetBlue Airways
Sun, May 25 - Sun, Jun 1
SAN
San Diego
POS
Trinidad
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sun, May 25 from San Diego to Trinidad, returning Sun, Jun 1, priced at $549 found 1 day ago
Copa
Fri, Aug 22 - Sun, Sep 7
SAN
San Diego
POS
Trinidad
$585 Roundtrip, found 19 hours ago
$585
Roundtrip
found 19 hours ago
Select Copa flight, departing Fri, Aug 22 from San Diego to Trinidad, returning Sun, Sep 7, priced at $585 found 19 hours ago
Air Canada
Thu, May 8 - Mon, May 12
SAN
San Diego
POS
Trinidad
$635 Roundtrip, found 2 days ago
$635
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, May 8 from San Diego to Trinidad, returning Mon, May 12, priced at $635 found 2 days ago
Flights from San Diego (SAN) to Port of Spain (POS)
Origin airport
San Diego Intl.
Destination airport
Piarco Intl.
Airlines serving
Air Canada, American Airlines, Copa, JetBlue Airways, United
Roundtrip price
$524
Distance
3848 mi

San Diego to Port of Spain Flights

The cheapest times to fly from San Diego to Port of Spain

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Port of Spain are during the month of July. You can find some of the cheapest flights from San Diego to Port of Spain with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Port of Spain

Sunday is one of the best days to book for cheap flights from San Diego to Port of Spain: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Diego to Port of Spain

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Port of Spain in 2025. You can also book with separate airlines for your outbound and return journeys, from $236 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Port of Spain flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Port of Spain airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS) cost?
Discover the latest flight deals from SAN to POS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SAN to POS?
The cheapest flights from SAN to POS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SAN to POS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SAN to POS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS)?
Direct flights from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SAN to POS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS)?
To reach Piarco Intl. Airport (POS) on time, pick a flight that leaves San Diego Intl. Airport (SAN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS) last-minute?
Last-minute bookings from SAN to POS are generally more expensive. To secure the lowest rates, start searching for flights well in advance. That said, if you can play around with your travel dates, it’s possible to find a cheap ticket right before you leave.
Is it cheaper to book a SAN to POS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SAN to POS flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one convenient place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Piarco Intl. Airport (POS)?
If you reserved your SAN to POS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.