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Cheap flights from Washington to Saint Thomas Island from $269

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Saint Thomas Island departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Saint Thomas Island

Cheap round-trip flights

United Airlines Logo
7:30 pm - 1:56 pmSEA-STT
14h 26m2 stops
United Airlines Logo
1:02 pm - 8:37 pmSTT-SEA
11h 35m1 stop
$473United Airlines
Find Deal
Sun, Jan 11 - Thu, Jan 22
American Airlines Logo
12:27 am - 5:25 pmSEA-STT
12h 58m2 stops
American Airlines Logo
2:35 pm - 11:27 pmSTT-SEA
12h 52m1 stop
$511American Airlines
Find Deal
Sat, Jan 10 - Thu, Jan 22
American Airlines Logo
12:27 am - 5:25 pmSEA-STT
12h 58m2 stops
American Airlines Logo
2:35 pm - 11:27 pmSTT-SEA
12h 52m1 stop
$534American Airlines
Find Deal
Mon, Jan 5 - Wed, Jan 14
American Airlines Logo
1:33 am - 4:15 pmSEA-STT
11h 42m2 stops
American Airlines Logo
12:30 pm - 11:21 pmSTT-SEA
13h 51m1 stop
$549American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 25
Delta Logo
9:45 pm - 12:50 pmPDX-STT
11h 05m1 stop
Delta Logo
4:00 pm - 10:39 pmSTT-PDX
10h 39m1 stop
$559Delta
Find Deal
Mon, Jan 12 - Fri, Jan 23
American Airlines Logo
12:34 am - 4:05 pmSEA-STT
12h 31m2 stops
American Airlines Logo
4:17 pm - 11:26 pmSTT-SEA
11h 09m1 stop
$563American Airlines
Find Deal
Fri, Oct 17 - Wed, Nov 5
Delta Logo
9:45 pm - 3:54 pmPDX-STT
14h 09m1 stop
Delta Logo
4:00 pm - 10:39 pmSTT-PDX
10h 39m1 stop
$629Delta
Find Deal
Wed, Feb 4 - Fri, Feb 13
Multiple Airlines Logo
5:00 am - 10:20 amSEA-STT
26h 20m2 stops
Multiple Airlines Logo
12:02 pm - 12:59 amSTT-SEA
15h 57m2 stops
$639Multiple Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
Multiple Airlines Logo
7:17 pm - 12:28 pmSEA-STT
13h 11m2 stops
Multiple Airlines Logo
1:33 pm - 12:07 pmSTT-SEA
50h 34m3 stops
$725Multiple Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 10
Southwest Logo
5:10 pm - 1:00 pmPDX-STT
16h 50m2 stops
Southwest Logo
1:05 pm - 1:30 amSTT-PDX
15h 25m2 stops
$919Southwest
Find Deal
Thu, Mar 12 - Sun, Mar 22

United Airlines flights from State of Washington to Saint Thomas Island

Our best United Airlines deals on State of Washington to Saint Thomas Island flight tickets
United Airlines
Jan 11
SEA7:30 pmSeattle/Tacoma Intl
14h 26m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Jan 22
STT1:02 pmSaint Thomas Island Cyril E King
11h 35m
1 stop
SEA8:37 pmSeattle/Tacoma Intl
$473
Find similar
United Airlines
Jan 11
SEA7:30 pmSeattle/Tacoma Intl
16h 48m
2 stops
STT4:18 pmSaint Thomas Island Cyril E King
Jan 17
STT1:02 pmSaint Thomas Island Cyril E King
13h 41m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$598
Find similar
United Airlines
Jan 18
SEA5:12 pmSeattle/Tacoma Intl
16h 44m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Jan 24
STT3:35 pmSaint Thomas Island Cyril E King
11h 24m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$611
Find similar

American Airlines flights from State of Washington to Saint Thomas Island

Our best American Airlines deals on State of Washington to Saint Thomas Island flight tickets
American Airlines
Jan 10
SEA12:27 amSeattle/Tacoma Intl
12h 58m
2 stops
STT5:25 pmSaint Thomas Island Cyril E King
Jan 22
STT2:35 pmSaint Thomas Island Cyril E King
12h 52m
1 stop
SEA11:27 pmSeattle/Tacoma Intl
$511
Find similar
American Airlines
Jan 5
SEA12:27 amSeattle/Tacoma Intl
12h 58m
2 stops
STT5:25 pmSaint Thomas Island Cyril E King
Jan 14
STT2:35 pmSaint Thomas Island Cyril E King
12h 52m
1 stop
SEA11:27 pmSeattle/Tacoma Intl
$534
Find similar
American Airlines
Mar 9
SEA1:33 amSeattle/Tacoma Intl
11h 42m
2 stops
STT4:15 pmSaint Thomas Island Cyril E King
Mar 25
STT12:30 pmSaint Thomas Island Cyril E King
13h 51m
1 stop
SEA11:21 pmSeattle/Tacoma Intl
$549
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated September 22, 2025.
Use the filters below to find and compare flights from Washington to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 1/11

7:30 pm-1:56 pm

2 stops14h 26m

Saint Thomas Island Cyril E King

Thu 1/22

1:02 pm-8:37 pm

1 stop11h 35m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sat 1/10

12:27 am-5:25 pm

2 stops12h 58m

Saint Thomas Island Cyril E King

Thu 1/22

2:35 pm-11:27 pm

1 stop12h 52m

$511

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 1/5

12:27 am-5:25 pm

2 stops12h 58m

Saint Thomas Island Cyril E King

Wed 1/14

2:35 pm-11:27 pm

1 stop12h 52m

$534

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 3/9

1:33 am-4:15 pm

2 stops11h 42m

Saint Thomas Island Cyril E King

Wed 3/25

12:30 pm-11:21 pm

1 stop13h 51m

$549

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 1/12

9:45 pm-12:50 pm

1 stop11h 05m

Saint Thomas Island Cyril E King

Fri 1/23

4:00 pm-10:39 pm

1 stop10h 39m

$559

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Fri 10/17

12:34 am-4:05 pm

2 stops12h 31m

Saint Thomas Island Cyril E King

Wed 11/5

4:17 pm-11:26 pm

1 stop11h 09m

$563

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 2/4

9:45 pm-3:54 pm

1 stop14h 09m

Saint Thomas Island Cyril E King

Fri 2/13

4:00 pm-10:39 pm

1 stop10h 39m

$629

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 10/21

5:00 am-10:20 am

2 stops26h 20m

Saint Thomas Island Cyril E King

Tue 10/28

12:02 pm-12:59 am

2 stops15h 57m

$639

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Thu 11/6

7:17 pm-12:28 pm

2 stops13h 11m

Saint Thomas Island Cyril E King

Mon 11/10

1:33 pm-12:07 pm

3 stops50h 34m

$725

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 3/12

5:10 pm-1:00 pm

2 stops16h 50m

Saint Thomas Island Cyril E King

Sun 3/22

1:05 pm-1:30 am

2 stops15h 25m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from State of Washington to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Thomas Island?

The month of January is another great option to travel to Saint Thomas Island, with average flight prices from State of Washington averaging around $563.

What is the cheapest day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from State of Washington is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $598. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Saint Thomas Island for around $880.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as $379. Flights to Saint Thomas Island are more costly in the evening, with an average ticket price of $775. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $679 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from State of Washington for as low as $526 on momondo.

Can stopping save me money on State of Washington to Saint Thomas Island flights?

You could potentially save up to 16% on your flight if you consider stops on a State of Washington to Saint Thomas Island flight.

Cheap State of Washington to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Saint Thomas Island

Direct flights

None
There are no direct flights from State of Washington to Saint Thomas Island. There are no popular flight routes from State of Washington to Saint Thomas Island.
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  • When did momondo last update prices for flights from Washington to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Washington to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Washington to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents required for your trip to Saint Thomas Island Cyril E King Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Thomas Island Cyril E King Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Saint Thomas Island

Compare and see reviews for airlines that fly from State of Washington to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $261Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights
DeltaPriceFrom $280Free CancellationRating
7.9
7,971 reviews
Search Delta flights
American AirlinesPriceFrom $443Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Saint Thomas Island?

It is quick and easy to find Washington to Saint Thomas Island flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Thomas Island that suits you.

Can I find flights from Washington to Saint Thomas Island with flexible booking policies on momondo?

All flight searches from Washington to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Saint Thomas Island?

Once all potential Washington to Saint Thomas Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Saint Thomas Island right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Saint Thomas Island, momondo offers a useful price alert feature which will track prices for flights to Saint Thomas Island from Washington and alert you when they change.

An easier way to manage your Saint Thomas Island trip

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