$244+ Cheap flights from Washington 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STT
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Washington 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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Cheapest flights from Washington to Saint Thomas IslandExplore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
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.
Mon 3/24:15 pm
PDX
- STT
2 stops18h 40m
Southwest
Mon 3/91:50 pm
STT
- PDX
2 stops13h 55m
Southwest
Deal found 2/2![Southwest logo]()
$432
This Southwest deal was found by Cheapflights users on 2/1. 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 2/252:05 pm
SEA
- STT
2 stops20h 50m
Southwest
Thu 3/52:50 pm
STT
- SEA
2 stops13h 40m
Southwest
Deal found 2/1![Southwest logo]()
$483
This Delta 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 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 2/2![Delta logo]()
$494
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.
Wed 3/42:15 pm
PDX
- STT
2 stops21h 05m
Southwest
Sun 3/81:05 pm
STT
- PDX
2 stops14h 00m
Southwest
Deal found 2/2![Southwest logo]()
$495
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 United Airlines deal was found by Cheapflights users on 2/1. 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 4/127:05 pm
SEA
- STT
2 stops14h 15m
United Airlines
Fri 4/172:10 pm
STT
- SEA
1 stop13h 09m
United Airlines
Deal found 2/1![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/287:29 pm
SEA
- STT
2 stops14h 27m
United Airlines
Sat 3/73:35 pm
STT
- SEA
1 stop11h 24m
United Airlines
Deal found 2/1![United Airlines logo]()
$537
This American Airlines deal was found by Cheapflights users on 2/1. 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
1 stop10h 56m
American Airlines
Mon 3/163:40 pm
STT
- SEA
1 stop11h 00m
American Airlines
Deal found 2/1![American Airlines logo]()
$541
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:44 pm
PDX
- STT
1 stop8h 56m
American Airlines
Sat 10/315:40 pm
STT
- PDX
2 stops21h 30m
American Airlines
Deal found 2/2![American Airlines logo]()
$576
This American Airlines deal was found by Cheapflights users on 2/1. 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 10/111:09 pm
SEA
- STT
1 stop14h 11m
American Airlines
Thu 10/81:50 pm
STT
- SEA
1 stop12h 35m
American Airlines
Deal found 2/1![American Airlines logo]()
$577
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:23 pm
PDX
- STT
1 stop13h 27m
American Airlines
Mon 4/272:05 pm
STT
- PDX
1 stop12h 48m
American Airlines
Deal found 2/2![American Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/237:29 pm
SEA
- STT
2 stops14h 27m
United Airlines
Thu 2/261:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 1/31![United Airlines logo]()
$584
Best flights from Washington to Saint Thomas IslandDiscover carefully curated flight deals from Washington 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 3, 2026.
Discover carefully curated flight deals from Washington 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 3, 2026.
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.
Mon 3/24:15 pm
PDX
- STT
2 stops18h 40m
Southwest
Mon 3/91:50 pm
STT
- PDX
2 stops13h 55m
Southwest
Deal found 2/2![Southwest logo]()
$432
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/2512:07 am
SEA
- STT
1 stop10h 56m
American Airlines
Fri 3/62:13 pm
STT
- SEA
1 stop14h 11m
American Airlines
Deal found 2/1![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 2/1. 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 2/289:55 pm
SEA
- STT
1 stop11h 27m
Delta
Thu 3/54:15 pm
STT
- SEA
1 stop10h 57m
Delta
Deal found 2/1![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/127:05 pm
SEA
- STT
2 stops14h 15m
United Airlines
Fri 4/172:10 pm
STT
- SEA
1 stop13h 09m
United Airlines
Deal found 2/1![United Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 2/1. 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 2/252:05 pm
SEA
- STT
2 stops20h 50m
Southwest
Thu 3/52:50 pm
STT
- SEA
2 stops13h 40m
Southwest
Deal found 2/1![Southwest logo]()
$483
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/1![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 2/1. 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 2/1![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/2811:59 pm
SEA
- STT
1 stop12h 19m
United Airlines
Sat 3/73:35 pm
STT
- SEA
1 stop11h 24m
United Airlines
Deal found 2/1![United Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 2/1. 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 3/29:55 pm
SEA
- STT
1 stop11h 27m
Delta
Mon 3/93:00 pm
STT
- SEA
1 stop11h 55m
Delta
Deal found 2/1![Delta logo]()
$494
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 Delta deal was found by Cheapflights users on 2/1. 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 2/2511:05 pm
SEA
- STT
1 stop9h 35m
Delta
Thu 3/53:10 pm
STT
- SEA
1 stop12h 02m
Delta
Deal found 2/1![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:59 pm
PDX
- STT
2 stops13h 30m
American Airlines
Wed 4/812:25 pm
STT
- PDX
1 stop14h 28m
American Airlines
Deal found 2/1![American Airlines logo]()
$580
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/27:57 pm
PDX
- STT
2 stops13h 59m
United Airlines
Sat 3/73:35 pm
STT
- PDX
1 stop11h 36m
United Airlines
Deal found 2/1![United Airlines logo]()
$580
This Delta 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 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 3/251:55 pm
STT
- SEA
1 stop11h 10m
Delta
Deal found 2/2![Delta logo]()
$494
This American Airlines deal was found by Cheapflights users on 2/1. 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 4/2011:47 pm
PDX
- STT
2 stops13h 28m
American Airlines
Mon 4/275:05 pm
STT
- PDX
2 stops20h 56m
American Airlines
Deal found 2/1![American Airlines logo]()
$580
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 3/27:57 pm
PDX
- STT
2 stops13h 59m
United Airlines
Mon 3/92:05 pm
STT
- PDX
1 stop11h 40m
United Airlines
Deal found 2/2![United Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/610:53 pm
PDX
- STT
1 stop12h 54m
American Airlines
Mon 3/1611:46 am
STT
- PDX
1 stop11h 58m
American Airlines
Deal found 2/1![American Airlines logo]()
$580
Last-minute flights from Washington to Saint Thomas IslandDiscover last-minute flight deals from Washington to Saint Thomas Island. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Saint Thomas Island. Data last updated February 3, 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 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.
Sun 2/2211:59 pm
SEA
- STT
1 stop12h 19m
United Airlines
Thu 2/261:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 2/2![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/237:29 pm
SEA
- STT
2 stops14h 27m
United Airlines
Thu 2/261:02 pm
STT
- SEA
1 stop11h 54m
United Airlines
Deal found 1/31![United Airlines logo]()
$584
This Southwest deal was found by Cheapflights users on 2/1. 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 2/252:05 pm
SEA
- STT
2 stops20h 50m
Southwest
Thu 3/52:50 pm
STT
- SEA
2 stops13h 40m
Southwest
Deal found 2/1![Southwest logo]()
$483
This Delta 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 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 2/2![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 2/1. 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 2/264:40 pm
SEA
- STT
2 stops16h 42m
Delta
Sun 3/81:55 pm
STT
- SEA
1 stop13h 00m
Delta
Deal found 2/1![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/287:29 pm
SEA
- STT
2 stops14h 27m
United Airlines
Sat 3/73:35 pm
STT
- SEA
1 stop11h 24m
United Airlines
Deal found 2/1![United Airlines logo]()
$537
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.
Mon 3/24:15 pm
PDX
- STT
2 stops18h 40m
Southwest
Mon 3/91:50 pm
STT
- PDX
2 stops13h 55m
Southwest
Deal found 2/2![Southwest logo]()
$432
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.
Wed 3/42:15 pm
PDX
- STT
2 stops21h 05m
Southwest
Sun 3/81:05 pm
STT
- PDX
2 stops14h 00m
Southwest
Deal found 2/2![Southwest logo]()
$495
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.
Wed 3/47:57 pm
PDX
- STT
2 stops16h 21m
United Airlines
Sun 3/82:35 pm
STT
- PDX
1 stop11h 36m
United Airlines
Deal found 2/2![United Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 2/1. 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
1 stop10h 56m
American Airlines
Mon 3/163:40 pm
STT
- SEA
1 stop11h 00m
American Airlines
Deal found 2/1![American Airlines logo]()
$541
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:53 pm
PDX
- STT
1 stop14h 36m
American Airlines
Mon 3/165:25 pm
STT
- PDX
2 stops20h 23m
American Airlines
Deal found 2/2![American Airlines logo]()
$580
One-way flights from Washington to Saint Thomas IslandSearch for one-way flight options from Washington to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Washington to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:59 am
SEA
- STT
1 stop12h 03m
American Airlines
Deal found 2/2![American Airlines logo]()
$244
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:23 pm
PDX
- STT
1 stop9h 24m
American Airlines
Deal found 2/2![American Airlines logo]()
$288
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:24 pm
SEA
- STT
3 stops42h 04m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$310
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.
Thu 4/307:05 pm
PDX
- STT
2 stops15h 03m
United Airlines
Deal found 2/2![United Airlines logo]()
$333
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1512:00 pm
SEA
- STT
3 stops46h 31m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$343
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:08 pm
SEA
- STT
1 stop13h 45m
American Airlines
Deal found 2/2![American Airlines logo]()
$369
Find flight deals from Washington to Saint Thomas Island
Keep the following information in mind while searching for Washington to Saint Thomas Island flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $483 (Southwest) |
One-way from | $244 (American Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $634 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 3, 2026.
Use the filters below to find and compare flights from Washington to Saint Thomas Island that are best for you.
Fly from
Washington
Fly to
Saint Thomas Island
Route
Depart
Return
Price
PortlandSaint Thomas Island
PDX - STT
PDXSTT
Portland
Mon 3/2
4:15 pm-2:55 pm
2 stops18h 40m
Saint Thomas Island Cyril E King
Mon 3/9
1:50 pm-12:45 am
2 stops13h 55m
$432
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Wed 2/25
2:05 pm-2:55 pm
2 stops20h 50m
Saint Thomas Island Cyril E King
Thu 3/5
2:50 pm-12:30 am
2 stops13h 40m
$483
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Wed 2/25
12:07 am-3:03 pm
1 stop10h 56m
Saint Thomas Island Cyril E King
Fri 3/6
2:13 pm-12:24 am
1 stop14h 11m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sat 2/28
9:55 pm-1:22 pm
1 stop11h 27m
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
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
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
Mon 3/2
9:55 pm-1:22 pm
1 stop11h 27m
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
Wed 2/25
11:05 pm-12:40 pm
1 stop9h 35m
Saint Thomas Island Cyril E King
Thu 3/5
3:10 pm-11:12 pm
1 stop12h 02m
$494
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 3/25
1:55 pm-10:05 pm
1 stop11h 10m
$494
SeattleSaint Thomas Island
SEA - STT
SEASTT
Seattle/Tacoma Intl
Sun 2/22
6:25 pm-2:55 pm
2 stops16h 30m
Saint Thomas Island Cyril E King
Thu 2/26
2:10 pm-10:20 am
2 stops24h 10m
$517
Showing 1-10 of 23 results
Best time to book a flight from Washington to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington with our price prediction graph.
SEA-STT
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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 Washington to Saint Thomas Island
USWA-STT
SEA-STT
PDX-STT
What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?
Currently, December is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $292). Flying from State of Washington 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.
Related info for your journey
Find useful and relevant information for your journey from Washington 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
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Alternative routes for Washington to Saint Thomas Island
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Washington to Saint Thomas Island
Discover the top 3 airlines that operate flights from Washington 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$674 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$602 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$443 | Average$789 | FlexibilityNo cancel fee | On-time71% |