Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Saint Thomas Island from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint Thomas Island departing on 11/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Saint Thomas Island

Cheap round-trip flights

Delta Logo
9:55 pm - 1:45 pmSEA-STT
11h 50m1 stop
Delta Logo
3:00 pm - 10:25 pmSTT-SEA
11h 25m1 stop
$473Delta
Find Deal
dom., ene. 11 - jue., ene. 22
American Airlines Logo
10:01 pm - 10:50 amSEA-STT
9h 49m1 stop
American Airlines Logo
5:20 pm - 9:48 amSTT-SEA
19h 28m2 stops
$475American Airlines
Find Deal
sáb., oct. 18 - vie., oct. 31
American Airlines Logo
12:27 am - 5:25 pmSEA-STT
12h 58m2 stops
American Airlines Logo
6:35 pm - 9:36 amSTT-SEA
19h 01m2 stops
$511American Airlines
Find Deal
sáb., ene. 10 - jue., ene. 22
American Airlines Logo
10:08 pm - 4:58 pmSEA-STT
14h 50m1 stop
American Airlines Logo
2:49 pm - 11:16 pmSTT-SEA
12h 27m1 stop
$534American Airlines
Find Deal
jue., dic. 11 - mié., dic. 17
American Airlines Logo
10:57 pm - 1:45 pmSEA-STT
10h 48m1 stop
American Airlines Logo
6:35 pm - 10:41 amSTT-SEA
20h 06m2 stops
$536American Airlines
Find Deal
dom., ene. 18 - dom., ene. 25
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
lun., mar. 9 - mié., mar. 25
United Airlines Logo
3:28 pm - 1:08 pmSEA-STT
18h 40m2 stops
United Airlines Logo
1:02 pm - 12:59 amSTT-SEA
15h 57m2 stops
$563United Airlines
Find Deal
sáb., oct. 18 - mié., nov. 5
American Airlines Logo
1:35 am - 3:51 pmSEA-STT
10h 16m1 stop
American Airlines Logo
12:30 pm - 12:49 amSTT-SEA
15h 19m2 stops
$572American Airlines
Find Deal
mié., feb. 25 - lun., mar. 9
United Airlines Logo
11:59 pm - 1:35 pmSEA-STT
10h 36m1 stop
United Airlines Logo
12:05 pm - 8:10 pmSTT-SEA
11h 05m1 stop
$575United Airlines
Find Deal
jue., mar. 12 - mar., mar. 17
Delta Logo
9:55 pm - 1:45 pmSEA-STT
11h 50m1 stop
Delta Logo
1:00 pm - 12:16 amSTT-SEA
14h 16m1 stop
$595Delta
Find Deal
jue., feb. 26 - lun., mar. 9

United Airlines flights from Seattle to Saint Thomas Island

Our best United Airlines deals on Seattle to Saint Thomas Island flight tickets
United Airlines
Oct 18
SEA3:28 pmSeattle/Tacoma Intl
18h 40m
2 stops
STT1:08 pmSaint Thomas Island Cyril E King
Nov 5
STT1:02 pmSaint Thomas Island Cyril E King
15h 57m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$563
Find similar
United Airlines
Mar 12
SEA11:59 pmSeattle/Tacoma Intl
10h 36m
1 stop
STT1:35 pmSaint Thomas Island Cyril E King
Mar 17
STT12:05 pmSaint Thomas Island Cyril E King
11h 05m
1 stop
SEA8:10 pmSeattle/Tacoma Intl
$575
Find similar
United Airlines
Mar 12
SEA11:59 pmSeattle/Tacoma Intl
10h 36m
1 stop
STT1:35 pmSaint Thomas Island Cyril E King
Mar 17
STT12:05 pmSaint Thomas Island Cyril E King
13h 24m
2 stops
SEA10:29 pmSeattle/Tacoma Intl
$578
Find similar

American Airlines flights from Seattle to Saint Thomas Island

Our best American Airlines deals on Seattle to Saint Thomas Island flight tickets
American Airlines
Oct 18
SEA10:01 pmSeattle/Tacoma Intl
9h 49m
1 stop
STT10:50 amSaint Thomas Island Cyril E King
Oct 31
STT5:20 pmSaint Thomas Island Cyril E King
19h 28m
2 stops
SEA9:48 amSeattle/Tacoma Intl
$475
Find similar
American Airlines
Jan 10
SEA12:27 amSeattle/Tacoma Intl
12h 58m
2 stops
STT5:25 pmSaint Thomas Island Cyril E King
Jan 22
STT6:35 pmSaint Thomas Island Cyril E King
19h 01m
2 stops
SEA9:36 amSeattle/Tacoma Intl
$511
Find similar
American Airlines
Dec 11
SEA10:08 pmSeattle/Tacoma Intl
14h 50m
1 stop
STT4:58 pmSaint Thomas Island Cyril E King
Dec 17
STT2:49 pmSaint Thomas Island Cyril E King
12h 27m
1 stop
SEA11:16 pmSeattle/Tacoma Intl
$534
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Seattle 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

dom. 1/11

9:55 pm-1:45 pm

1 stop11h 50m

Saint Thomas Island Cyril E King

jue. 1/22

3:00 pm-10:25 pm

1 stop11h 25m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

sáb. 10/18

10:01 pm-10:50 am

1 stop9h 49m

Saint Thomas Island Cyril E King

vie. 10/31

5:20 pm-9:48 am

2 stops19h 28m

$475

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

sáb. 1/10

12:27 am-5:25 pm

2 stops12h 58m

Saint Thomas Island Cyril E King

jue. 1/22

6:35 pm-9:36 am

2 stops19h 01m

$511

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

jue. 12/11

10:08 pm-4:58 pm

1 stop14h 50m

Saint Thomas Island Cyril E King

mié. 12/17

2:49 pm-11:16 pm

1 stop12h 27m

$534

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

dom. 1/18

10:57 pm-1:45 pm

1 stop10h 48m

Saint Thomas Island Cyril E King

dom. 1/25

6:35 pm-10:41 am

2 stops20h 06m

$536

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

lun. 3/9

1:33 am-4:15 pm

2 stops11h 42m

Saint Thomas Island Cyril E King

mié. 3/25

12:30 pm-11:21 pm

1 stop13h 51m

$549

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

sáb. 10/18

3:28 pm-1:08 pm

2 stops18h 40m

Saint Thomas Island Cyril E King

mié. 11/5

1:02 pm-12:59 am

2 stops15h 57m

$563

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mié. 2/25

1:35 am-3:51 pm

1 stop10h 16m

Saint Thomas Island Cyril E King

lun. 3/9

12:30 pm-12:49 am

2 stops15h 19m

$572

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

jue. 3/12

11:59 pm-1:35 pm

1 stop10h 36m

Saint Thomas Island Cyril E King

mar. 3/17

12:05 pm-8:10 pm

1 stop11h 05m

$575

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

jue. 2/26

9:55 pm-1:45 pm

1 stop11h 50m

Saint Thomas Island Cyril E King

lun. 3/9

1:00 pm-12:16 am

1 stop14h 16m

$595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Seattle 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 Seattle averaging around $562.

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 Seattle 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 Seattle 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 Seattle 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 Seattle for as low as $526 on momondo.

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

You could potentially save up to 21% on your flight if you consider stops on a Seattle to Saint Thomas Island flight.

How have Seattle to Saint Thomas Island flight prices changed over time?

When to book flights from Seattle to Saint Thomas Island

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

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

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

Direct flights

None
There are no direct flights from Seattle to Saint Thomas Island. There are no popular flight routes from Seattle to Saint Thomas Island.
Search flight deals

  • How far is Seattle/Tacoma Intl to Saint Thomas Island Cyril E King by plane?

    There are 3780.5 mi between Seattle/Tacoma Intl and Saint Thomas Island Cyril E King. 9h 03m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Saint Thomas Island Cyril E King Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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 you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Saint Thomas Island

Compare and see reviews for airlines that fly from Seattle to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $261Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $280Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $443Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $495Free CancellationRating
7.4
8,924 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 Seattle to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Seattle.

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

All flight searches from Seattle 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 Seattle to Saint Thomas Island?

Once you have performed a search for Seattle to Saint Thomas Island 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 Seattle to Saint Thomas Island right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Thomas Island from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
jue. 10/16
jue. 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Saint Croix Airport