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Saint Thomas Island

$208+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STT
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/1311:59 pm
PDX
-
STT
1 stop12h 32m
United Airlines
Thu 4/162:10 pm
STT
-
PDX
1 stop11h 24m
United Airlines
Deal found 3/6$420
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/811:47 pm
PDX
-
STT
2 stops13h 28m
American Airlines
Wed 4/1512:25 pm
STT
-
PDX
2 stops13h 24m
American Airlines
Deal found 3/9$425
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 3/2910:53 pm
PDX
-
STT
1 stop12h 53m
American Airlines
Sun 4/51:08 pm
STT
-
PDX
1 stop14h 07m
American Airlines
Deal found 3/9$440
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 4/207:14 pm
PDX
-
STT
2 stops17h 17m
United Airlines
Wed 4/222:10 pm
STT
-
PDX
1 stop11h 24m
United Airlines
Deal found 3/9$510
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 10/243:30 pm
PDX
-
STT
3 stops19h 00m
United Airlines
Sat 10/3112:02 pm
STT
-
PDX
1 stop11h 23m
United Airlines
Deal found 3/10$511
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 3/2810:53 pm
PDX
-
STT
1 stop11h 10m
American Airlines
Tue 3/315:25 pm
STT
-
PDX
2 stops20h 42m
American Airlines
Deal found 3/8$515
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/111:59 pm
PDX
-
STT
2 stops13h 30m
American Airlines
Wed 4/812:25 pm
STT
-
PDX
1 stop14h 28m
American Airlines
Deal found 3/6$545
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:59 pm
PDX
-
STT
1 stop12h 44m
United Airlines
Thu 6/41:22 pm
STT
-
PDX
1 stop12h 26m
United Airlines
Deal found 3/8$548
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Mon 4/611:30 pm
PDX
-
STT
2 stops12h 20m
American Airlines
Mon 4/135:05 pm
STT
-
PDX
2 stops20h 56m
American Airlines
Deal found 3/9$560

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(United Airlines)

One-way from

$208
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$580
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. 14% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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

Mon 4/13

11:59 pm-3:31 pm

1 stop12h 32m

Saint Thomas Island Cyril E King

Thu 4/16

2:10 pm-10:34 pm

1 stop11h 24m

$420

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

11:59 pm-3:31 pm

1 stop12h 32m

Saint Thomas Island Cyril E King

Wed 4/22

1:22 pm-9:59 pm

1 stop11h 37m

$510

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 8/23

9:45 pm-1:52 pm

1 stop13h 07m

Saint Thomas Island Cyril E King

Sat 8/29

1:27 pm-11:41 pm

2 stops13h 14m

$610

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 6/1

4:55 pm-1:20 pm

2 stops17h 25m

Saint Thomas Island Cyril E King

Thu 6/4

2:45 pm-1:20 am

2 stops13h 35m

$652

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 3/28

11:59 pm-2:46 pm

2 stops11h 47m

Saint Thomas Island Cyril E King

Tue 3/31

5:25 pm-11:07 am

2 stops20h 42m

$706
Quickest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 5/24

9:47 pm-11:03 am

1 stop10h 16m

Saint Thomas Island Cyril E King

Sat 5/30

1:47 pm-11:46 pm

1 stop12h 59m

$767

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 6/14

5:45 pm-12:15 pm

2 stops15h 30m

Saint Thomas Island Cyril E King

Tue 6/30

4:15 pm-11:59 pm

1 stop10h 44m

$826
Cheapest one-way
Quickest one-way

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 4/11

10:23 pm-10:47 am

1 stop9h 24m

$208

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 4/9

11:59 pm-3:31 pm

1 stop12h 32m

$208

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 3/23

10:53 pm-4:29 pm

1 stop14h 36m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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

What is the cheapest month to book a flight from Portland to Saint Thomas Island?

Currently, April is the cheapest month in which you can book a flight from Portland to Saint Thomas Island (average of $245). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $910). 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.

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

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 March 11, 2026.
Read through reviews of airlines operating flights from Portland to Saint Thomas Island, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,278 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,414 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,419 reviews
Delta
7.9
Good
8,278 reviews

Comfort

7.9

Entertainment

7.8

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 United Airlines fly from Portland to Saint Thomas Island in about 12h 32m. The time it takes to get you to your destination can typically vary by up to . There are 3764 mi between Portland and Saint Thomas Island.

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

    Flying on Delta is currently your cheapest option to Saint Thomas Island, with prices starting at $282. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $478 and $539, respectively. Delta is priced at 61% 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.

  • What is the cheapest month to book a flight from Portland to Saint Thomas Island?

    Currently, April is the cheapest month in which you can book a flight from Portland to Saint Thomas Island (average of $245). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $910). 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

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

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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 3 airlines flying from Portland to Saint Thomas Island

Discover the top 3 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$282Average$789FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$478Average$819FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$539Average$736FlexibilityNo cancel feeOn-time71%

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