$333+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STT
May 26 — Jun 21
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Saint Thomas Island with Cheapflights
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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
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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 Saint Thomas Island
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Best
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Cheapest flights from Portland to Saint Thomas IslandExplore 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 April 26, 2026.
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 April 26, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/107:05 pm
PDX
- STT
2 stops15h 03m
United Airlines
Thu 5/141:22 pm
STT
- PDX
1 stop12h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/2411:55 pm
PDX
- STT
1 stop10h 35m
United Airlines
Sat 10/3112:02 pm
STT
- PDX
1 stop11h 23m
United Airlines
Deal found 4/22![United Airlines logo]()
$510
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/710:28 pm
PDX
- STT
1 stop14h 47m
American Airlines
Mon 5/112:05 pm
STT
- PDX
1 stop12h 48m
American Airlines
Deal found 4/22![American Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 4/22. 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 7/49:55 pm
PDX
- STT
1 stop10h 08m
American Airlines
Sat 7/113:42 pm
STT
- PDX
1 stop12h 08m
American Airlines
Deal found 4/22![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/1812:59 am
PDX
- STT
2 stops12h 16m
American Airlines
Tue 5/264:48 pm
STT
- PDX
2 stops20h 11m
American Airlines
Deal found 4/21![American Airlines logo]()
$692
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/1111:59 pm
PDX
- STT
1 stop12h 44m
United Airlines
Sat 7/252:10 pm
STT
- PDX
1 stop12h 52m
United Airlines
Deal found 4/22![United Airlines logo]()
$694
This American Airlines deal was found by Cheapflights users on 4/24. 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 8/311:30 pm
PDX
- STT
2 stops20h 22m
American Airlines
Tue 9/81:49 pm
STT
- PDX
2 stops25h 59m
American Airlines
Deal found 4/24![American Airlines logo]()
$695
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:35 pm
PDX
- STT
2 stops19h 45m
Southwest
Fri 5/222:30 pm
STT
- PDX
2 stops12h 40m
Southwest
Deal found 4/26![Southwest logo]()
$708
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/1210:28 pm
PDX
- STT
1 stop11h 47m
American Airlines
Fri 5/221:34 pm
STT
- PDX
2 stops12h 17m
American Airlines
Deal found 4/26![American Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 6/1410:59 pm
PDX
- STT
2 stops13h 58m
American Airlines
Tue 6/304:49 pm
STT
- PDX
2 stops20h 36m
American Airlines
Deal found 4/26![American Airlines logo]()
$720
Best flights from Portland to Saint Thomas IslandDiscover carefully curated flight deals from Portland to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
Discover carefully curated flight deals from Portland to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 26, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/811:47 pm
PDX
- STT
2 stops13h 28m
American Airlines
Tue 5/122:05 pm
STT
- PDX
1 stop12h 48m
American Airlines
Deal found 4/21![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/1011:59 pm
PDX
- STT
1 stop12h 44m
United Airlines
Thu 5/141:22 pm
STT
- PDX
1 stop12h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$420
Last-minute flights from Portland to Saint Thomas IslandDiscover last-minute flight deals from Portland to Saint Thomas Island. Data last updated April 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Saint Thomas Island. Data last updated April 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/710:28 pm
PDX
- STT
1 stop14h 47m
American Airlines
Mon 5/112:05 pm
STT
- PDX
1 stop12h 48m
American Airlines
Deal found 4/22![American Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/83:59 pm
PDX
- STT
3 stops22h 01m
United Airlines
Tue 5/121:22 pm
STT
- PDX
2 stops23h 16m
United Airlines
Deal found 4/21![United Airlines logo]()
$935
This American Airlines deal was found by Cheapflights users on 4/24. 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 5/81:52 pm
PDX
- STT
2 stops20h 23m
American Airlines
Thu 5/1412:25 pm
STT
- PDX
2 stops13h 25m
American Airlines
Deal found 4/24![American Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/107:05 pm
PDX
- STT
2 stops15h 03m
United Airlines
Thu 5/141:22 pm
STT
- PDX
1 stop12h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:35 pm
PDX
- STT
2 stops19h 45m
Southwest
Fri 5/222:30 pm
STT
- PDX
2 stops12h 40m
Southwest
Deal found 4/26![Southwest logo]()
$708
This American Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/1210:28 pm
PDX
- STT
1 stop11h 47m
American Airlines
Fri 5/221:34 pm
STT
- PDX
2 stops12h 17m
American Airlines
Deal found 4/26![American Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/1210:15 pm
PDX
- STT
1 stop11h 53m
United Airlines
Fri 5/221:22 pm
STT
- PDX
1 stop12h 26m
United Airlines
Deal found 4/26![United Airlines logo]()
$844
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 5/1812:59 am
PDX
- STT
2 stops12h 16m
American Airlines
Tue 5/264:48 pm
STT
- PDX
2 stops20h 11m
American Airlines
Deal found 4/21![American Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 4/21. 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.
Tue 5/195:51 pm
PDX
- STT
2 stops15h 15m
Delta
Tue 5/261:16 pm
STT
- PDX
1 stop11h 30m
Delta
Deal found 4/21![Delta logo]()
$775
One-way flights from Portland to Saint Thomas IslandSearch for one-way flight options from Portland to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
Search for one-way flight options from Portland to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 26, 2026.
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 6/247:21 pm
PDX
- STT
2 stops15h 58m
Delta
Deal found 4/24![Delta logo]()
$333
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/2710:59 pm
PDX
- STT
2 stops13h 59m
American Airlines
Deal found 4/25![American Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:26 pm
PDX
- STT
3 stops22h 01m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:50 pm
PDX
- STT
2 stops19h 20m
Southwest
Deal found 4/26![Southwest logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:20 pm
PDX
- STT
3 stops41h 03m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:26 pm
PDX
- STT
3 stops22h 01m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:48 am
PDX
- STT
3 stops43h 06m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Fri 5/111:59 pm
PDX
- STT
1 stop12h 44m
United Airlines
Deal found 4/26![United Airlines logo]()
$563
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 April 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $420 (United Airlines) |
One-way from | $333 (Delta) |
Popular in | October |
Cheapest in | January |
Average price | $650 |
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 April 26, 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
Cheapest round-trip
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 5/8
11:47 pm-4:15 pm
2 stops13h 28m
Saint Thomas Island Cyril E King
Tue 5/12
2:05 pm-11:53 pm
1 stop12h 48m
$420
Quickest round-trip
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sun 5/10
11:59 pm-3:43 pm
1 stop12h 44m
Saint Thomas Island Cyril E King
Thu 5/14
1:22 pm-10:59 pm
1 stop12h 37m
$420
Cheapest one-way
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sat 7/4
10:57 pm-4:00 pm
2 stops14h 03m
$333
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Wed 6/24
7:21 pm-2:19 pm
2 stops15h 58m
$333
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sat 6/27
10:59 pm-3:58 pm
2 stops13h 59m
$358
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Sat 7/4
12:26 pm-1:27 pm
3 stops22h 01m
$398
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 5/1
2:50 pm-1:10 pm
2 stops19h 20m
$409
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Wed 6/24
5:20 pm-1:23 pm
3 stops41h 03m
$410
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 5/1
11:48 am-9:54 am
3 stops43h 06m
$457
Quickest one-way
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Fri 5/1
11:59 pm-3:43 pm
1 stop12h 44m
$563
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
PDX-STT
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, January is the cheapest month in which you can book a flight from Portland to Saint Thomas Island (average of $559). Flying from Portland to Saint Thomas Island in October is currently the most expensive (average of $1,229). 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 April 26, 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.
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Comfort
7.3
Entertainment
7.1
Crew
8.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Complete your trip
Complete your trip to Saint Thomas Island by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Portland to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Saint Thomas Island flights
Browse other Portland and Saint Thomas Island flight options. Last updated on April 26, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on April 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 26, 2026.
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 April 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$1,050 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$520 | Average$699 | FlexibilityNo cancel fee | On-time71% |