$241+ Cheap flights from Portland, ME (PWM) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — STT
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Saint Thomas Island 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 Saint Thomas Island
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Best
Last-minute
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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 June 8, 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 June 8, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. 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 11/266:39 pm
PWM
- STT
2 stops21h 16m
American Airlines
Wed 12/24:16 pm
STT
- PWM
2 stops20h 55m
American Airlines
Deal found 6/4![American Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 11/246:39 pm
PWM
- STT
2 stops19h 36m
American Airlines
Thu 12/32:49 pm
STT
- PWM
2 stops9h 48m
American Airlines
Deal found 6/8![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/135:56 am
PWM
- STT
2 stops9h 56m
American Airlines
Wed 8/191:49 pm
STT
- PWM
2 stops20h 42m
American Airlines
Deal found 6/5![American Airlines logo]()
$475
This American Airlines deal was found by Cheapflights users on 6/7. 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 11/86:39 pm
PWM
- STT
2 stops19h 36m
American Airlines
Fri 11/136:17 pm
STT
- PWM
2 stops18h 50m
American Airlines
Deal found 6/7![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/265:15 am
PWM
- STT
1 stop7h 43m
United Airlines
Sat 10/34:45 pm
STT
- PWM
2 stops16h 38m
United Airlines
Deal found 6/4![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 7/146:59 pm
PWM
- STT
2 stops21h 01m
American Airlines
Sat 7/185:01 pm
STT
- PWM
2 stops17h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 6/7. 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 12/236:40 pm
PWM
- STT
2 stops19h 55m
American Airlines
Wed 12/306:36 pm
STT
- PWM
2 stops18h 35m
American Airlines
Deal found 6/7![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 6/4. 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 10/76:50 pm
PWM
- STT
2 stops19h 45m
American Airlines
Wed 10/145:40 pm
STT
- PWM
2 stops18h 14m
American Airlines
Deal found 6/4![American Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 6/3. 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 6/56:00 am
PWM
- STT
1 stop9h 28m
Delta
Mon 6/84:31 pm
STT
- PWM
1 stop8h 21m
Delta
Deal found 6/3![Delta logo]()
$526
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 June 8, 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 June 8, 2026.
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 11/265:19 pm
PWM
- STT
2 stops17h 48m
American Airlines
Wed 12/26:17 pm
STT
- PWM
2 stops18h 20m
American Airlines
Deal found 6/8![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/265:15 am
PWM
- STT
1 stop7h 43m
United Airlines
Sat 10/34:45 pm
STT
- PWM
2 stops16h 38m
United Airlines
Deal found 6/4![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am
PWM
- STT
1 stop7h 40m
Delta
Wed 12/23:54 pm
STT
- PWM
1 stop7h 29m
Delta
Deal found 6/8![Delta logo]()
$605
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 11/246:39 pm
PWM
- STT
2 stops19h 36m
American Airlines
Thu 12/32:49 pm
STT
- PWM
2 stops9h 48m
American Airlines
Deal found 6/8![American Airlines logo]()
$435
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 8/136:46 pm
PWM
- STT
2 stops21h 06m
American Airlines
Wed 8/191:49 pm
STT
- PWM
2 stops24h 32m
American Airlines
Deal found 6/6![American Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 11/265:30 am
PWM
- STT
1 stop6h 42m
United Airlines
Wed 12/22:15 pm
STT
- PWM
1 stop9h 42m
United Airlines
Deal found 6/5![United Airlines logo]()
$694
Last-minute flights from Portland to Saint Thomas IslandDiscover last-minute flight deals from Portland to Saint Thomas Island. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Saint Thomas Island. Data last updated June 8, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 6/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:16 pm
PWM
- STT
2 stops20h 27m
Multiple Airlines
Mon 6/155:40 pm
STT
- PWM
2 stops15h 34m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$722
This United deal was found by Cheapflights users on 6/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:16 pm
PWM
- STT
2 stops20h 27m
Multiple Airlines
Sun 6/1411:26 am
STT
- PWM
2 stops21h 48m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 6/115:15 am
PWM
- STT
1 stop7h 05m
United Airlines
Sun 6/142:10 pm
STT
- PWM
1 stop9h 20m
United Airlines
Deal found 6/4![United Airlines logo]()
$750
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 6/115:15 am
PWM
- STT
1 stop7h 05m
United Airlines
Mon 6/154:45 pm
STT
- PWM
1 stop7h 06m
United Airlines
Deal found 6/4![United Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/305:15 am
PWM
- STT
1 stop7h 05m
United Airlines
Sun 7/52:10 pm
STT
- PWM
1 stop9h 20m
United Airlines
Deal found 6/5![United Airlines logo]()
$702
This American Airlines deal was found by Cheapflights users on 6/5. 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 6/305:58 pm
PWM
- STT
1 stop17h 05m
American Airlines
Sun 7/55:01 pm
STT
- PWM
2 stops17h 30m
American Airlines
Deal found 6/5![American Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/55:50 am
PWM
- STT
1 stop7h 18m
United Airlines
Sun 7/124:45 pm
STT
- PWM
1 stop7h 06m
United Airlines
Deal found 6/7![United Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 7/146:59 pm
PWM
- STT
2 stops21h 01m
American Airlines
Sat 7/185:01 pm
STT
- PWM
2 stops17h 30m
American Airlines
Deal found 6/6![American Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
PWM
- STT
1 stop8h 23m
Delta
Sat 7/184:31 pm
STT
- PWM
1 stop8h 28m
Delta
Deal found 6/6![Delta logo]()
$645
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/196:01 pm
PWM
- STT
1 stop17h 02m
American Airlines
Sun 7/265:01 pm
STT
- PWM
2 stops17h 30m
American Airlines
Deal found 6/7![American Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 6/7. 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.
Sun 7/196:00 am
PWM
- STT
1 stop9h 20m
Delta
Sun 7/264:31 pm
STT
- PWM
1 stop8h 28m
Delta
Deal found 6/7![Delta logo]()
$810
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 June 8, 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 June 8, 2026.
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/256:46 pm
PWM
- STT
2 stops18h 07m
American Airlines
Deal found 6/5![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 6/4. 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 6/206:00 am
PWM
- STT
1 stop8h 54m
United Airlines
Deal found 6/4![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 6/5. 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 10/176:50 pm
PWM
- STT
2 stops17h 50m
American Airlines
Deal found 6/5![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 6/7. 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 6/206:54 pm
PWM
- STT
2 stops18h 53m
American Airlines
Deal found 6/7![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 6/5. 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 8/256:05 am
PWM
- STT
1 stop7h 29m
Delta
Deal found 6/5![Delta logo]()
$376
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 10/297:20 pm
PWM
- STT
1 stop15h 20m
American Airlines
Deal found 6/8![American Airlines logo]()
$380
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 (PWM) 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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $383 (American Airlines) |
One-way from | $241 (American Airlines) |
Popular in | August |
Cheapest in | July |
Average price | $429 |
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 June 8, 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
PWM - STT
PWMSTT
Portland
Thu 11/26
5:19 pm-12:07 pm
2 stops17h 48m
Saint Thomas Island Cyril E King
Wed 12/2
6:17 pm-11:37 am
2 stops18h 20m
$418
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Tue 11/24
6:39 pm-3:15 pm
2 stops19h 36m
Saint Thomas Island Cyril E King
Thu 12/3
2:49 pm-11:37 pm
2 stops9h 48m
$435
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Sat 9/26
5:15 am-12:58 pm
1 stop7h 43m
Saint Thomas Island Cyril E King
Sat 10/3
4:45 pm-9:23 am
2 stops16h 38m
$490
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Thu 8/13
6:46 pm-3:52 pm
2 stops21h 06m
Saint Thomas Island Cyril E King
Wed 8/19
1:49 pm-2:21 pm
2 stops24h 32m
$534
Quickest round-trip
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Thu 11/26
6:00 am-2:40 pm
1 stop7h 40m
Saint Thomas Island Cyril E King
Wed 12/2
3:54 pm-10:23 pm
1 stop7h 29m
$605
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Thu 11/26
5:30 am-1:12 pm
1 stop6h 42m
Saint Thomas Island Cyril E King
Wed 12/2
2:15 pm-10:57 pm
1 stop9h 42m
$694
Cheapest one-way
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Tue 8/25
6:46 pm-12:53 pm
2 stops18h 07m
$241
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Sat 6/20
6:00 am-2:54 pm
1 stop8h 54m
$243
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Sat 10/17
7:20 pm-10:40 am
1 stop15h 20m
$309
PortlandSaint Thomas Island
PWM - STT
PWMSTT
Portland
Sat 6/20
6:54 pm-1:47 pm
2 stops18h 53m
$337
Showing 1-10 of 11 resultsSorted 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 June.
| 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, Maine-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, Maine-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Saint Thomas Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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.
PWM-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, Maine to Saint Thomas Island?
Currently, July is the cheapest month in which you can book a flight from Portland, Maine to Saint Thomas Island (average of $410). Flying from Portland, Maine to Saint Thomas Island in August is currently the most expensive (average of $974). 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, Maine 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 June 8, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Portland to Saint Thomas Island. 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.
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
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.
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Alternative routes for Portland to Saint Thomas Island
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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 June 8, 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 June 8, 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 June 8, 2026.
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 June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$568 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$602 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$354 | Average$580 | FlexibilityNo cancel fee | On-timeN/A |