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Saint Thomas Island

$323+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Saint Thomas Island Cyril E King are usually found in January or September, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find 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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 11/3010:45 pmPDX - STT
1 stop14h 42mAmerican Airlines
Sat 12/64:16 pmSTT - PDX
1 stop11h 36mAmerican Airlines
Deal found 10/28$559
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/1710:45 pmPDX - STT
1 stop12h 40mAmerican Airlines
Mon 11/246:17 pmSTT - PDX
2 stops20h 41mAmerican Airlines
Deal found 10/27$639
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/243:15 pmPDX - STT
2 stops16h 28mAmerican Airlines
Mon 12/86:17 pmSTT - PDX
2 stops23h 17mAmerican Airlines
Deal found 10/26$671
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:18 pmPDX - STT
2 stops18h 31mMultiple Airlines
Tue 11/252:00 pmSTT - PDX
3 stops31h 36mMultiple Airlines
Deal found 10/28$797
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:18 pmPDX - STT
2 stops18h 31mMultiple Airlines
Thu 11/273:25 pmSTT - PDX
3 stops30h 11mMultiple Airlines
Deal found 10/28$808
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:12 pmPDX - STT
3 stops38h 43mMultiple Airlines
Mon 11/243:25 pmSTT - PDX
3 stops29h 53mMultiple Airlines
Deal found 10/27$811
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/1710:10 pmPDX - STT
1 stop12h 30mDelta
Mon 11/243:50 pmSTT - PDX
1 stop10h 31mDelta
Deal found 10/27$839
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/2411:12 pmPDX - STT
1 stop32h 48mUnited Airlines
Mon 12/81:02 pmSTT - PDX
2 stops15h 35mUnited Airlines
Deal found 10/26$982

Cheap 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 October 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$559
(Delta)

One-way from

$323
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$731
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. 18% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.

Fly from

Portland

Fly to

Saint Thomas Island

Route

Depart

Return

Price

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/5

9:45 pm-12:42 pm

1 stop10h 57m

Saint Thomas Island Cyril E King

Tue 1/13

3:10 pm-10:15 pm

1 stop11h 05m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 2/5

11:01 pm-3:56 pm

1 stop12h 55m

Saint Thomas Island Cyril E King

Sun 2/8

4:47 pm-11:45 am

2 stops22h 58m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/12

5:15 pm-1:49 pm

2 stops16h 34m

Saint Thomas Island Cyril E King

Fri 1/23

3:10 pm-10:15 pm

1 stop11h 05m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/13

11:07 pm-11:10 am

1 stop9h 03m

Saint Thomas Island Cyril E King

Thu 4/23

1:40 pm-11:02 pm

1 stop12h 22m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 12/15

3:55 pm-12:00 pm

2 stops16h 05m

$323

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 12/13

11:59 pm-4:18 pm

1 stop12h 19m

$323

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 12/16

2:07 pm-3:26 pm

2 stops21h 19m

$333

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 11/30

7:09 pm-2:30 pm

3 stops39h 21m

$347

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 12/18

9:44 pm-11:41 am

2 stops33h 57m

$386

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 12/17

8:35 am-5:39 pm

2 stops29h 04m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 13 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Portland-Saint Thomas Island flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 far ahead should I book a flight from Portland to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Saint Thomas Island. Price data was last updated on October 24, 2025.

The price you pay for your flight from Portland to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $221). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $718). 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 STT?

Find hourly flight availability from Portland to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

When flying from Portland to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 44% versus a flight in the evening.

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 October 28, 2025.
Read through reviews of airlines operating flights from Portland to Saint Thomas Island, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,994 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Delta and American Airlines fly from Portland to Saint Thomas Island in about 10h 57m. The time it takes to get you to your destination can typically vary by up to 1h 58m. 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 Spirit Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $213. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $362 and $437, respectively. Spirit Airlines is priced at 70% 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 $221). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $718). 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.
Portland to Christiansted flights
Redmond to Saint Thomas Island flights
Boise to Saint Thomas Island flights

Top 4 airlines flying from Portland to Saint Thomas Island

Discover the top 4 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$213Average$376FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$362Average$682FlexibilityNo cancel feeOn-time69%
DeltaCheapest$437Average$784FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$437Average$791FlexibilityNo cancel feeOn-time71%

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