$211+ Cheap flights from Seattle (SEA) 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STT
Mar 8 — Mar 151
1 adult, Economy
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Find cheap flights from Seattle 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
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Best
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Cheapest flights from Seattle to Saint Thomas IslandExplore the most affordable flight options available from Seattle to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
Explore the most affordable flight options available from Seattle to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:30 pm
SEA
- STT
2 stops22h 01m
Multiple Airlines
Wed 3/43:36 pm
STT
- SEA
2 stops24h 25m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 3/1011:30 pm
SEA
- STT
1 stop9h 08m
Delta
Wed 3/251:55 pm
STT
- SEA
1 stop11h 10m
Delta
Deal found 2/3![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 3/912:13 am
SEA
- STT
1 stop10h 50m
American Airlines
Wed 3/111:53 pm
STT
- SEA
1 stop12h 47m
American Airlines
Deal found 2/6![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:07 am
SEA
- STT
2 stops11h 40m
American Airlines
Fri 2/271:02 pm
STT
- SEA
2 stops14h 05m
American Airlines
Deal found 2/3![American Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 2/2. 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.
Sun 2/226:25 pm
SEA
- STT
2 stops16h 30m
Southwest
Thu 2/262:10 pm
STT
- SEA
2 stops24h 10m
Southwest
Deal found 2/2![Southwest logo]()
$517
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:07 am
SEA
- STT
2 stops11h 40m
American Airlines
Mon 3/161:53 pm
STT
- SEA
2 stops14h 02m
American Airlines
Deal found 2/3![American Airlines logo]()
$541
This Trip.com deal was found by Cheapflights users on 2/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:24 pm
SEA
- STT
2 stops22h 07m
Multiple Airlines
Sun 3/152:36 pm
STT
- SEA
2 stops53h 33m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 2/4. 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 10/216:22 pm
SEA
- STT
2 stops13h 18m
American Airlines
Thu 10/2911:45 am
STT
- SEA
1 stop11h 54m
American Airlines
Deal found 2/4![American Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/911:59 pm
SEA
- STT
1 stop12h 19m
United Airlines
Thu 3/122:05 pm
STT
- SEA
1 stop11h 40m
United Airlines
Deal found 2/5![United Airlines logo]()
$584
This Delta deal was found by Cheapflights users on 2/5. 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.
Mon 3/211:05 pm
SEA
- STT
1 stop11h 59m
Delta
Wed 3/43:10 pm
STT
- SEA
1 stop12h 02m
Delta
Deal found 2/5![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/2312:43 pm
SEA
- STT
2 stops21h 13m
United Airlines
Thu 2/261:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 2/2![United Airlines logo]()
$598
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:25 pm
SEA
- STT
1 stop12h 30m
Southwest
Fri 6/122:45 pm
STT
- SEA
2 stops13h 55m
Southwest
Deal found 2/5![Southwest logo]()
$603
Best flights from Seattle to Saint Thomas IslandDiscover carefully curated flight deals from Seattle to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
Discover carefully curated flight deals from Seattle to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2026.
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 pm
SEA
- STT
1 stop11h 17m
Delta
Wed 3/1812:49 pm
STT
- SEA
2 stops14h 14m
Delta
Deal found 2/4![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 4/2011:55 pm
SEA
- STT
2 stops13h 20m
American Airlines
Wed 4/2912:25 pm
STT
- SEA
1 stop14h 19m
American Airlines
Deal found 2/4![American Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:29 pm
SEA
- STT
2 stops14h 27m
United Airlines
Fri 2/271:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 2/3![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:57 pm
SEA
- STT
2 stops12h 32m
American Airlines
Mon 3/1612:02 pm
STT
- SEA
2 stops15h 22m
American Airlines
Deal found 2/3![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:50 pm
SEA
- STT
2 stops15h 32m
Delta
Thu 3/54:15 pm
STT
- SEA
1 stop10h 57m
Delta
Deal found 2/4![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Mon 3/2310:16 pm
SEA
- STT
1 stop15h 13m
American Airlines
Mon 3/3011:46 am
STT
- SEA
2 stops15h 38m
American Airlines
Deal found 2/6![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:00 pm
SEA
- STT
2 stops14h 22m
Delta
Fri 3/64:15 pm
STT
- SEA
1 stop10h 57m
Delta
Deal found 2/4![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 3/1011:59 pm
SEA
- STT
2 stops13h 30m
American Airlines
Wed 3/251:53 pm
STT
- SEA
2 stops14h 02m
American Airlines
Deal found 2/4![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:05 pm
SEA
- STT
1 stop9h 35m
Delta
Mon 3/93:00 pm
STT
- SEA
1 stop11h 55m
Delta
Deal found 2/4![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Sun 3/810:16 pm
SEA
- STT
1 stop13h 30m
American Airlines
Sun 3/151:13 pm
STT
- SEA
1 stop13h 00m
American Airlines
Deal found 2/6![American Airlines logo]()
$494
Last-minute flights from Seattle to Saint Thomas IslandDiscover last-minute flight deals from Seattle to Saint Thomas Island. Data last updated February 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Saint Thomas Island. Data last updated February 6, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 2/2. 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.
Sun 2/226:25 pm
SEA
- STT
2 stops16h 30m
Southwest
Thu 2/262:10 pm
STT
- SEA
2 stops24h 10m
Southwest
Deal found 2/2![Southwest logo]()
$517
This Trip.com deal was found by Cheapflights users on 2/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:30 pm
SEA
- STT
2 stops22h 01m
Multiple Airlines
Wed 3/43:36 pm
STT
- SEA
2 stops24h 25m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/2312:43 pm
SEA
- STT
2 stops21h 13m
United Airlines
Thu 2/261:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 2/2![United Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:08 pm
SEA
- STT
1 stop9h 58m
American Airlines
Fri 2/271:02 pm
STT
- SEA
2 stops14h 05m
American Airlines
Deal found 2/3![American Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 2/5. 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.
Mon 3/211:05 pm
SEA
- STT
1 stop11h 59m
Delta
Wed 3/43:10 pm
STT
- SEA
1 stop12h 02m
Delta
Deal found 2/5![Delta logo]()
$588
This American Airlines deal was found by Cheapflights users on 2/5. 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 3/312:07 am
SEA
- STT
1 stop11h 06m
American Airlines
Thu 3/54:37 pm
STT
- SEA
1 stop11h 03m
American Airlines
Deal found 2/5![American Airlines logo]()
$604
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:07 am
SEA
- STT
2 stops11h 40m
American Airlines
Mon 3/161:53 pm
STT
- SEA
2 stops14h 02m
American Airlines
Deal found 2/3![American Airlines logo]()
$541
This Trip.com deal was found by Cheapflights users on 2/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:24 pm
SEA
- STT
2 stops22h 07m
Multiple Airlines
Sun 3/152:36 pm
STT
- SEA
2 stops53h 33m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/95:20 pm
SEA
- STT
2 stops16h 36m
United Airlines
Thu 3/122:05 pm
STT
- SEA
1 stop11h 40m
United Airlines
Deal found 2/5![United Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/105:20 pm
SEA
- STT
2 stops14h 40m
United Airlines
Wed 3/112:35 pm
STT
- SEA
1 stop11h 24m
United Airlines
Deal found 2/5![United Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/1010:08 pm
SEA
- STT
1 stop9h 58m
American Airlines
Wed 3/111:53 pm
STT
- SEA
2 stops14h 02m
American Airlines
Deal found 2/6![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:07 am
SEA
- STT
2 stops11h 39m
American Airlines
Sat 3/282:28 pm
STT
- SEA
1 stop11h 41m
American Airlines
Deal found 2/3![American Airlines logo]()
$577
One-way flights from Seattle to Saint Thomas IslandSearch for one-way flight options from Seattle to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
Search for one-way flight options from Seattle to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:24 pm
SEA
- STT
2 stops16h 02m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 3/1111:30 pm
SEA
- STT
1 stop9h 08m
Delta
Deal found 2/3![Delta logo]()
$245
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:15 pm
SEA
- STT
2 stops16h 05m
Southwest
Deal found 2/5![Southwest logo]()
$272
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Sat 2/285:20 pm
SEA
- STT
2 stops16h 36m
United Airlines
Deal found 2/6![United Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:32 pm
SEA
- STT
3 stops41h 54m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 2/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/112:05 pm
SEA
- STT
2 stops20h 50m
Southwest
Deal found 2/5![Southwest logo]()
$414
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 2/1111:11 pm
SEA
- STT
1 stop12h 36m
American Airlines
Deal found 2/5![American Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:15 pm
SEA
- STT
3 stops40h 19m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$767
Find flight deals from Seattle to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 February 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Trip.com) |
One-way from | $211 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $634 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle 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 February 6, 2026.
Use the filters below to find and compare flights from Seattle to Saint Thomas Island that are best for you.
Fly from
Seattle
Fly to
Saint Thomas Island
Route
Depart
Return
Price
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 3/10
11:30 pm-1:47 pm
1 stop11h 17m
Saint Thomas Island Cyril E King
Wed 3/18
12:49 pm-12:03 am
2 stops14h 14m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Mon 4/20
11:55 pm-4:15 pm
2 stops13h 20m
Saint Thomas Island Cyril E King
Wed 4/29
12:25 pm-11:44 pm
1 stop14h 19m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 2/24
7:29 pm-1:56 pm
2 stops14h 27m
Saint Thomas Island Cyril E King
Fri 2/27
1:02 pm-8:56 pm
1 stop11h 54m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sat 3/7
11:57 pm-4:29 pm
2 stops12h 32m
Saint Thomas Island Cyril E King
Mon 3/16
12:02 pm-12:24 am
2 stops15h 22m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sat 2/28
5:50 pm-1:22 pm
2 stops15h 32m
Saint Thomas Island Cyril E King
Thu 3/5
4:15 pm-11:12 pm
1 stop10h 57m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Mon 3/23
10:16 pm-4:29 pm
1 stop15h 13m
Saint Thomas Island Cyril E King
Mon 3/30
11:46 am-12:24 am
2 stops15h 38m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Thu 2/26
7:00 pm-1:22 pm
2 stops14h 22m
Saint Thomas Island Cyril E King
Fri 3/6
4:15 pm-11:12 pm
1 stop10h 57m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Tue 3/10
11:59 pm-4:29 pm
2 stops13h 30m
Saint Thomas Island Cyril E King
Wed 3/25
1:53 pm-12:55 am
2 stops14h 02m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Wed 3/4
11:05 pm-12:40 pm
1 stop9h 35m
Saint Thomas Island Cyril E King
Mon 3/9
3:00 pm-11:55 pm
1 stop11h 55m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sun 3/8
10:16 pm-2:46 pm
1 stop13h 30m
Saint Thomas Island Cyril E King
Sun 3/15
1:13 pm-11:13 pm
1 stop13h 00m
$494
Showing 1-10 of 19 results
Compare providers for flights from Seattle 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 Seattle to Saint Thomas Island in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Seattle-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 Seattle-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Saint Thomas Island flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Seattle with our price prediction graph.
SEA-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 Seattle to Saint Thomas Island
How far ahead should I book a flight from Seattle to Saint Thomas Island?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Saint Thomas Island. Price data was last updated on January 30, 2026.
Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Saint Thomas Island. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to Saint Thomas Island?
Currently, December is the cheapest month in which you can book a flight from Seattle to Saint Thomas Island (average of $292). Flying from Seattle to Saint Thomas Island in April is currently the most expensive (average of $520). 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.
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 February 6, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Seattle to Saint Thomas Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Comfort
7.9
Food
7.2
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle 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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Seattle and Saint Thomas Island flights
Browse other Seattle and Saint Thomas Island flight options. Last updated on February 6, 2026.
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Top 3 airlines flying from Seattle to Saint Thomas Island
Discover the top 3 airlines that operate flights from Seattle 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 February 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$674 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$556 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$443 | Average$688 | FlexibilityNo cancel fee | On-time71% |