HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Port of Spain

$678+ Cheap flights from Portland (PDX) to Port of Spain (POS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — POS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Port of Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$678
(United Airlines)

Popular in

November

Cheapest in

October

Average price

$651
From Portland to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Portland to Port of Spain

Cheapest flights from Portland to Port of Spain
Explore the most affordable flight options available from Portland to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:55 pmPDX - POS
1 stop20h 28mUnited Airlines
Thu 10/1612:30 amPOS - PDX
1 stop14h 28mUnited Airlines
Deal found 9/11$678
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:52 pmPDX - POS
2 stops20h 28mAmerican Airlines
Fri 10/173:25 pmPOS - PDX
2 stops21h 06mAmerican Airlines
Deal found 9/11$693
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amPDX - POS
1 stop13h 23mUnited Airlines
Thu 10/3012:30 amPOS - PDX
1 stop14h 43mUnited Airlines
Deal found 9/10$788
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:04 amPDX - POS
2 stops26h 51mMultiple Airlines
Fri 10/178:55 amPOS - PDX
1 stop14h 50mMultiple Airlines
Deal found 9/11$820
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:59 amPDX - POS
2 stops18h 47mAmerican Airlines
Sun 1/187:10 amPOS - PDX
1 stop20h 19mAmerican Airlines
Deal found 9/10$888
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:59 amPDX - POS
2 stops18h 47mAmerican Airlines
Tue 1/67:10 amPOS - PDX
1 stop20h 19mAmerican Airlines
Deal found 9/8$1,890

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Portland to Port of Spain that are best for you.

Fly from

Portland

Fly to

Port of Spain

Route

Depart

Return

Price

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Thu 1/1

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sat 1/17

1:30 am-12:18 pm

1 stop14h 48m

$678

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Fri 10/10

11:55 pm-11:23 pm

1 stop20h 28m

Port of Spain Piarco Intl

Thu 10/16

12:30 am-11:58 am

1 stop14h 28m

$678

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Fri 10/10

9:52 pm-9:20 pm

2 stops20h 28m

Port of Spain Piarco Intl

Fri 10/17

3:25 pm-9:31 am

2 stops21h 06m

$693

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Tue 10/28

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Thu 10/30

12:30 am-10:51 pm

2 stops25h 21m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Portland to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Port of Spain

What is the cheapest month to book a flight from Portland to Port of Spain?

Currently, October is the cheapest month in which you can book a flight from Portland to Port of Spain (average of $435). Flying from Portland to Port of Spain in December is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to POS?

Find hourly flight availability from Portland to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Portland to Port of Spain, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 3% versus a flight in the morning.

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port of Spain. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Portland to Port of Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Portland to Port of Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Port of Spain?

    A quick flight from Portland to Port of Spain can take about 13h 23m. United Airlines provides one of the quickest options available for as low as $678. Airlines will cover a distance of 4314 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Port of Spain round-trip?

    United Airlines, at $616, was found to be the cheapest airline from Portland to Port of Spain. An alternate airline flying to your destination would be American Airlines. United Airlines is currently priced 23% below the average price you’ll pay for this route.

  • Can I find deals for flights from Portland to Port of Spain that include hotel bookings?

    Yes. In addition to deals on Portland to Port of Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Port of Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Port of Spain.

  • Can I find deals for business class flights from Portland to Port of Spain?

    Yes. Cheapflights offers flight deals from Portland to Port of Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Port of Spain?

    Currently, October is the cheapest month in which you can book a flight from Portland to Port of Spain (average of $435). Flying from Portland to Port of Spain in December is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Port of Spain flights
Eugene to Port of Spain flights
Redmond to Port of Spain flights

Top 2 airlines flying from Portland to Port of Spain

Discover the top 2 airlines that operate flights from Portland to Port of Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$616Average$768FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$671Average$837FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.