$417 Cheap Flights from Port of Spain (POS) to Portland (PDX)

View $417 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to Portland International Airport (PDX)

Cheap Flights from Port of Spain to Portland (POS-PDX)

Prices were available within the past 7 days and start at $417 for one-way flights and $725 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 17 - Sun, Oct 5
POS
Trinidad
PDX
Portland
$725 Roundtrip, found 1 day ago
$725
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Trinidad to Portland, returning Sun, Oct 5, priced at $725 found 1 day ago
United
Wed, Sep 17 - Sun, Oct 5
POS
Trinidad
PDX
Portland
$729 Roundtrip, found 1 day ago
$729
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Trinidad to Portland, returning Sun, Oct 5, priced at $729 found 1 day ago
American Airlines
Tue, Oct 21 - Thu, Oct 30
POS
Trinidad
PDX
Portland
$729 Roundtrip, found 6 days ago
$729
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Trinidad to Portland, returning Thu, Oct 30, priced at $729 found 6 days ago
United
Thu, Sep 18 - Thu, Oct 9
POS
Trinidad
PDX
Portland
$737 Roundtrip, found 6 days ago
$737
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 18 from Trinidad to Portland, returning Thu, Oct 9, priced at $737 found 6 days ago
United
Mon, Sep 29 - Mon, Oct 6
POS
Trinidad
PDX
Portland
$738 Roundtrip, found 3 days ago
$738
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 29 from Trinidad to Portland, returning Mon, Oct 6, priced at $738 found 3 days ago
United
Tue, Oct 21 - Thu, Oct 30
POS
Trinidad
PDX
Portland
$739 Roundtrip, found 6 days ago
$739
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 21 from Trinidad to Portland, returning Thu, Oct 30, priced at $739 found 6 days ago
United
Mon, Sep 29 - Mon, Oct 6
POS
Trinidad
PDX
Portland
$740 Roundtrip, found 3 days ago
$740
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 29 from Trinidad to Portland, returning Mon, Oct 6, priced at $740 found 3 days ago
Air Canada
Mon, Sep 29 - Mon, Oct 6
POS
Trinidad
PDX
Portland
$786 Roundtrip, found 3 days ago
$786
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Sep 29 from Trinidad to Portland, returning Mon, Oct 6, priced at $786 found 3 days ago
JetBlue Airways
Tue, Aug 26 - Tue, Sep 2
POS
Trinidad
PDX
Portland
$981 Roundtrip, found 3 days ago
$981
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Aug 26 from Trinidad to Portland, returning Tue, Sep 2, priced at $981 found 3 days ago
Copa
Fri, Aug 8 - Tue, Aug 26
POS
Trinidad
PDX
Portland
$5,442 Roundtrip, found 9 hours ago
$5,442
Roundtrip
found 9 hours ago
Select Copa flight, departing Fri, Aug 8 from Trinidad to Portland, returning Tue, Aug 26, priced at $5,442 found 9 hours ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $872
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $872
Flights from Port of Spain (POS) to Portland (PDX)
Origin airport
Piarco Intl.
Destination airport
Portland Intl.
Airlines serving
American Airlines, Copa, United
Roundtrip price
$724
Distance
4315 mi

Port of Spain to Portland Flights

The cheapest times to fly from Port of Spain to Portland

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 Port of Spain to Portland are during the month of September. You can find some of the cheapest flights from Port of Spain to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Port of Spain to Portland

Sunday is one of the best days to book for cheap flights from Port of Spain to Portland: 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 Port of Spain to Portland

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 Port of Spain to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $417 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 Port of Spain to Portland 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 Port of Spain to Portland 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 Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX) cost?
Discover the latest flight deals from POS to PDX 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 POS to PDX?
The cheapest flights from POS to PDX 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 POS to PDX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from POS to PDX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX)?
There are no daily nonstop flights available from Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from POS to PDX?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX)?
To avoid possible delays on the Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX) last-minute?
Booking your ticket from POS to PDX right before your trip is generally more expensive. But if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a POS to PDX flight and hotel package?
Compared with arranging flights and hotels separately, booking a POS to PDX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Portland Intl. Airport (PDX)?
Typically, you can cancel or modify your POS to PDX flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.