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Cheap flights from Saint Thomas Island to Seattle from $602

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to Seattle departing on 3/1. 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 Saint Thomas Island to Seattle

Cheap round-trip flights

American Airlines Logo
4:31 pm - 12:57 amSTT-SEA
12h 26m1 stop
American Airlines Logo
10:52 pm - 11:00 amSEA-STT
9h 08m1 stop
$602American Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
3:31 pm - 12:49 amSTT-SEA
12h 18m1 stop
American Airlines Logo
10:52 pm - 12:55 pmSEA-STT
11h 03m1 stop
$621American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
4:31 pm - 11:09 pmSTT-SEA
10h 38m1 stop
American Airlines Logo
11:59 pm - 4:15 pmSEA-STT
13h 16m2 stops
$640American Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
12:30 pm - 11:21 pmSTT-SEA
13h 51m1 stop
American Airlines Logo
1:33 am - 4:15 pmSEA-STT
11h 42m2 stops
$668American Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 10
American Airlines Logo
12:30 pm - 12:49 amSTT-SEA
15h 19m2 stops
American Airlines Logo
11:59 pm - 2:35 pmSEA-STT
11h 36m2 stops
$673American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
12:30 pm - 11:21 pmSTT-SEA
13h 51m1 stop
American Airlines Logo
1:33 am - 2:51 pmSEA-STT
10h 18m1 stop
$707American Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 10
American Airlines Logo
1:30 pm - 11:07 pmSTT-SEA
13h 37m2 stops
American Airlines Logo
11:59 pm - 4:15 pmSEA-STT
13h 16m2 stops
$791American Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 8

American Airlines flights from Saint Thomas Island to Seattle

Our best American Airlines deals on Saint Thomas Island to Seattle flight tickets
American Airlines
Mar 1
STT4:31 pmSaint Thomas Island Cyril E King
12h 26m
1 stop
SEA12:57 amSeattle/Tacoma Intl
Mar 8
SEA10:52 pmSeattle/Tacoma Intl
9h 08m
1 stop
STT11:00 amSaint Thomas Island Cyril E King
$602
Find similar
American Airlines
Mar 10
STT3:31 pmSaint Thomas Island Cyril E King
12h 18m
1 stop
SEA12:49 amSeattle/Tacoma Intl
Mar 11
SEA10:52 pmSeattle/Tacoma Intl
11h 03m
1 stop
STT12:55 pmSaint Thomas Island Cyril E King
$621
Find similar
American Airlines
Mar 1
STT4:31 pmSaint Thomas Island Cyril E King
10h 38m
1 stop
SEA11:09 pmSeattle/Tacoma Intl
Mar 8
SEA11:59 pmSeattle/Tacoma Intl
13h 16m
2 stops
STT4:15 pmSaint Thomas Island Cyril E King
$640
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to Seattle 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 Saint Thomas Island to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/1

4:31 pm-12:57 am

1 stop12h 26m

Seattle/Tacoma Intl

Sun 3/8

10:52 pm-11:00 am

1 stop9h 08m

$602

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 3/10

3:31 pm-12:49 am

1 stop12h 18m

Seattle/Tacoma Intl

Wed 3/11

10:52 pm-12:55 pm

1 stop11h 03m

$621

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/1

4:31 pm-11:09 pm

1 stop10h 38m

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-4:15 pm

2 stops13h 16m

$640

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 3/10

12:30 pm-11:21 pm

1 stop13h 51m

Seattle/Tacoma Intl

Tue 3/10

1:33 am-4:15 pm

2 stops11h 42m

$668

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 3/10

12:30 pm-12:49 am

2 stops15h 19m

Seattle/Tacoma Intl

Wed 3/11

11:59 pm-2:35 pm

2 stops11h 36m

$673

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 3/10

12:30 pm-11:21 pm

1 stop13h 51m

Seattle/Tacoma Intl

Tue 3/10

1:33 am-2:51 pm

1 stop10h 18m

$707

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Sun 3/1

1:30 pm-11:07 pm

2 stops13h 37m

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-4:15 pm

2 stops13h 16m

$791

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Saint Thomas Island to Seattle

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 day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Saint Thomas Island is on a Friday. momondo users have found tickets for Friday departures for as low as $485. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Saint Thomas Island because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $793.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Saint Thomas Island at noon is the least expensive time of day to depart. momondo users have found prices as low as $526 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $750. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Saint Thomas Island to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Saint Thomas Island to Seattle flight.

When to book flights from Saint Thomas Island to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint Thomas Island to Seattle (STT to SEA) flight deals and tips

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

Direct flights

None
There are no direct flights from Saint Thomas Island to Seattle. There are no popular flight routes from Saint Thomas Island to Seattle.
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  • How far is Saint Thomas Island Cyril E King to Seattle/Tacoma Intl by plane?

    A flight from Saint Thomas Island Cyril E King to Seattle/Tacoma Intl will travel around 3780.5 mi. Flights usually cover this in 10h 38m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Saint Thomas Island Cyril E King Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to Seattle/Tacoma Intl 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 Saint Thomas Island Cyril E King Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Saint Thomas Island to Seattle?

Best airlines flying from Saint Thomas Island to Seattle

Compare and see reviews for airlines that fly from Saint Thomas Island to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $262Free CancellationRating
7.9
7,971 reviews
Search Delta flights
American AirlinesPriceFrom $561Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

Why use momondo?

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

It is quick and easy to find Saint Thomas Island to Seattle 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 Seattle that suits you.

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

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

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

Once you have performed a search for Saint Thomas Island to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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