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Saint Thomas Island

$301+ Cheap flights from Portland (PDX) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STT
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from Portland to Saint Thomas Island

Cheapest flights from Portland to Saint Thomas Island
Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This American Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 8/203:00 pm
PDX
-
STT
2 stops18h 53m
American Airlines
Fri 8/284:42 pm
STT
-
PDX
2 stops21h 12m
American Airlines
Deal found 7/19$420
This American Airlines deal was found by Cheapflights users on 7/19. 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.
Sat 8/293:00 pm
PDX
-
STT
2 stops18h 53m
American Airlines
Sat 9/53:43 pm
STT
-
PDX
2 stops22h 51m
American Airlines
Deal found 7/19$445
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:35 am
PDX
-
STT
2 stops11h 27m
Delta
Thu 5/131:25 pm
STT
-
PDX
1 stop12h 01m
Delta
Deal found 7/21$459
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:20 pm
PDX
-
STT
2 stops18h 00m
Southwest
Sun 9/202:10 pm
STT
-
PDX
2 stops12h 55m
Southwest
Deal found 7/21$491
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:00 pm
PDX
-
STT
2 stops21h 52m
American Airlines
Mon 5/1712:36 pm
STT
-
PDX
1 stop14h 16m
American Airlines
Deal found 7/21$540
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 10/2411:59 pm
PDX
-
STT
1 stop12h 21m
United Airlines
Sat 10/312:35 pm
STT
-
PDX
1 stop11h 38m
United Airlines
Deal found 7/21$549
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 10/202:26 pm
PDX
-
STT
2 stops19h 32m
American Airlines
Wed 11/113:15 pm
STT
-
PDX
1 stop12h 44m
American Airlines
Deal found 7/20$550
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:54 pm
PDX
-
STT
2 stops16h 40m
Delta
Wed 5/191:25 pm
STT
-
PDX
1 stop12h 01m
Delta
Deal found 7/21$552
This FlightHub deal was found by Cheapflights users on 7/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:15 pm
PDX
-
STT
1 stop20h 44m
JetBlue
Fri 8/282:49 pm
STT
-
PDX
2 stops25h 12m
JetBlue
Deal found 7/19$555

Find flight deals from Portland to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Saint Thomas Island (STT). 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(American Airlines)

One-way from

$301
(Delta)

Popular in

October

Cheapest in

August

Average price

$838
Provider with most accurate pricing for Portland-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Saint Thomas Island Cyril E King flights.
Search Deals
From Portland to Saint Thomas Island Cyril E King
Search Deals
One-way flight from Portland to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Saint Thomas Island 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 July 23, 2026.
Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 8/20

3:00 pm-12:53 pm

2 stops18h 53m

Saint Thomas Island Cyril E King

Fri 8/28

4:42 pm-10:54 am

2 stops21h 12m

$420

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 1/17

10:59 pm-5:05 pm

1 stop14h 06m

Saint Thomas Island Cyril E King

Sat 1/23

6:39 pm-12:22 pm

2 stops21h 43m

$538
Quickest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 10/24

7:29 pm-1:31 pm

2 stops15h 02m

Saint Thomas Island Cyril E King

Sat 10/31

2:35 pm-11:13 pm

1 stop11h 38m

$549
Cheapest one-way
Quickest one-way

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 12/29

7:00 pm-1:56 pm

2 stops14h 56m

$376

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 12/28

7:00 pm-1:56 pm

2 stops14h 56m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Sorted by cheapest first

Compare providers for flights from Portland to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Saint Thomas Island in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island 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 Saint Thomas Island

How much does it cost to fly round-trip from Portland to Saint Thomas Island?

Airfare is below average for this route at the moment.

Portland to Saint Thomas Island flights typically cost between $556 and $710 in August.
The cheapest round-trip price found within the last 5 days was $420 on American Airlines (Aug 20-Aug 28).

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from Portland to Saint Thomas Island, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,024 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,024 reviews
United Airlines
7.4
Good
10,024 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,832 reviews
United Airlines
7.4
Good
10,024 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Portland to Saint Thomas Island. 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 Saint Thomas Island?

    Airlines like American Airlines and United Airlines fly from Portland to Saint Thomas Island in about 15h 02m. The time it takes to get you to your destination can typically vary by up to 3h 51m. There are 3764 mi between Portland and Saint Thomas Island. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Saint Thomas Island round-trip?

    Flying on United Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $508. Another option worth looking into is American Airlines, starting at $510 round trip. United Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Portland to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Portland to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Saint Thomas Island?

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

  • Can I find deals for business class flights from Portland to Saint Thomas Island?

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

See more FAQs

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Saint Thomas Island flights

Top 2 airlines flying from Portland to Saint Thomas Island

Discover the top 2 airlines that operate flights from Portland to Saint Thomas Island. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$942FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$510Average$727FlexibilityNo cancel feeOn-time71%

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