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Cheap flights from Seattle to Saint Thomas Island from $394

This is the cheapest round-trip 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 5/9. 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 Seattle to Saint Thomas Island

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Saint Thomas Island.
Spirit Airlines Logo
6:00 am - 2:54 pmSEA-STT
29h 54m2 stops
Spirit Airlines Logo
2:41 pm - 2:25 pmSTT-SEA
26h 44m3 stops
$394Spirit Airlines
Find Deal
vie., may. 9 - mié., may. 14
Spirit Airlines Logo
6:00 am - 9:57 amSEA-STT
24h 57m2 stops
Spirit Airlines Logo
10:52 am - 2:25 pmSTT-SEA
30h 33m2 stops
$395Spirit Airlines
Find Deal
jue., may. 8 - mié., may. 14
American Airlines Logo
10:32 pm - 12:40 pmSEA-STT
11h 08m1 stop
American Airlines Logo
1:50 pm - 12:33 amSTT-SEA
13h 43m1 stop
$443American Airlines
Find Deal
dom., ago. 31 - lun., sep. 8
American Airlines Logo
11:59 pm - 4:20 pmSEA-STT
13h 21m2 stops
American Airlines Logo
5:10 pm - 9:23 amSTT-SEA
19h 13m2 stops
$485American Airlines
Find Deal
lun., may. 5 - mar., may. 13
Delta Logo
10:55 pm - 12:12 pmSEA-STT
10h 17m1 stop
Delta Logo
1:21 pm - 11:03 pmSTT-SEA
12h 42m1 stop
$511Delta
Find Deal
vie., jul. 11 - mié., jul. 16
Delta Logo
10:55 pm - 12:12 pmSEA-STT
10h 17m1 stop
Delta Logo
3:00 pm - 12:08 amSTT-SEA
12h 08m1 stop
$527Delta
Find Deal
mié., jul. 9 - jue., jul. 17
 Logo
3:20 pm - 9:57 amSEA-STT
15h 37m2 stops
 Logo
2:59 pm - 10:50 pmSTT-SEA
34h 51m3 stops
sáb., jun. 7 - sáb., jun. 14
 Logo
6:33 pm - 9:57 amSEA-STT
36h 24m3 stops
 Logo
4:35 pm - 12:10 amSTT-SEA
34h 35m3 stops
dom., may. 25 - dom., jun. 1
United Airlines Logo
7:27 pm - 3:43 pmSEA-STT
17h 16m2 stops
United Airlines Logo
1:19 pm - 9:12 pmSTT-SEA
10h 53m1 stop
$673United Airlines
Find Deal
mié., jun. 25 - mar., jul. 1
United Airlines Logo
7:00 pm - 1:08 pmSEA-STT
15h 08m2 stops
United Airlines Logo
1:19 pm - 10:37 pmSTT-SEA
12h 18m1 stop
$706United Airlines
Find Deal
sáb., ago. 16 - lun., ago. 18

American Airlines flights from Seattle to Saint Thomas Island

Our best American Airlines deals on Seattle to Saint Thomas Island flight tickets
American Airlines
Aug 31
SEA10:32 pmSeattle/Tacoma Intl
11h 08m
1 stop
STT12:40 pmSaint Thomas Island Cyril E King
Sep 8
STT1:50 pmSaint Thomas Island Cyril E King
13h 43m
1 stop
SEA12:33 amSeattle/Tacoma Intl
American Airlines
May 5
SEA11:59 pmSeattle/Tacoma Intl
13h 21m
2 stops
STT4:20 pmSaint Thomas Island Cyril E King
May 13
STT5:10 pmSaint Thomas Island Cyril E King
19h 13m
2 stops
SEA9:23 amSeattle/Tacoma Intl
American Airlines
Apr 25
SEA12:59 amSeattle/Tacoma Intl
13h 00m
2 stops
STT4:59 pmSaint Thomas Island Cyril E King
May 14
STT3:40 pmSaint Thomas Island Cyril E King
10h 27m
1 stop
SEA11:07 pmSeattle/Tacoma Intl

Spirit Airlines flights from Seattle to Saint Thomas Island

Our best Spirit Airlines deals on Seattle to Saint Thomas Island flight tickets
Spirit Airlines
May 9
SEA6:00 amSeattle/Tacoma Intl
29h 54m
2 stops
STT2:54 pmSaint Thomas Island Cyril E King
May 14
STT2:41 pmSaint Thomas Island Cyril E King
26h 44m
3 stops
SEA2:25 pmSeattle/Tacoma Intl
Spirit Airlines
May 8
SEA6:00 amSeattle/Tacoma Intl
24h 57m
2 stops
STT9:57 amSaint Thomas Island Cyril E King
May 14
STT10:52 amSaint Thomas Island Cyril E King
30h 33m
2 stops
SEA2:25 pmSeattle/Tacoma Intl
Spirit Airlines
May 1
SEA7:35 pmSeattle/Tacoma Intl
35h 25m
3 stops
STT10:00 amSaint Thomas Island Cyril E King
May 14
STT2:41 pmSaint Thomas Island Cyril E King
26h 44m
3 stops
SEA2:25 pmSeattle/Tacoma Intl

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 October is another great option to travel to Saint Thomas Island, with average flight prices from Seattle averaging around $577.

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 8 weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $728 when searching 8 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 $598 on momondo.

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

As of April 2025, prices for Seattle to Saint Thomas Island flights are approximately 14% cheaper when compared to flights at the same time last year.

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

Best Price Found

$394

Fastest flight time

9h 35m

Direct flights

None

Airports in Saint Thomas Island

1 airport
The best flight deal from Seattle to Saint Thomas Island found on momondo in the last 72 hours is $394
The fastest flight from Seattle to Saint Thomas Island takes 9h 35m
There are no direct flights from Seattle to Saint Thomas Island. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Saint Thomas Island Cyril E King Airport.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)

  • 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 35m 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 $199Free CancellationRating
6.3
7,905 reviews
Search Spirit Airlines flights
DeltaPriceFrom $426Free CancellationRating
8.0
7,911 reviews
Search Delta flights
American AirlinesPriceFrom $488Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $539Free CancellationRating
7.4
8,636 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.


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mié. 4/16
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