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Cheap flights from Washington to Saint Thomas Island from $188

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 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:55 pm - 12:42 pm
SEA
-
STT
9h 47m1 stop
Delta Logo
3:10 pm - 11:15 pm
STT
-
SEA
12h 05m1 stop
$473Delta
dom., ene. 11 - jue., ene. 22
Delta Logo
9:55 pm - 1:49 pm
SEA
-
STT
11h 54m1 stop
Delta Logo
2:00 pm - 9:54 pm
STT
-
SEA
10h 54m1 stop
$513Delta
jue., feb. 19 - mar., mar. 10
Delta Logo
7:00 pm - 12:42 pm
SEA
-
STT
13h 42m2 stops
Delta Logo
4:15 pm - 11:12 pm
STT
-
SEA
10h 57m1 stop
$514Delta
mar., feb. 17 - mar., feb. 24
United Airlines Logo
5:10 pm - 1:56 pm
SEA
-
STT
16h 46m2 stops
United Airlines Logo
1:02 pm - 10:59 pm
STT
-
SEA
13h 57m2 stops
$527United Airlines
mar., feb. 10 - mié., feb. 18
American Airlines Logo
11:12 pm - 3:56 pm
SEA
-
STT
12h 44m2 stops
American Airlines Logo
4:47 pm - 9:37 am
STT
-
SEA
20h 50m2 stops
$541American Airlines
dom., ene. 11 - dom., ene. 18
United Airlines Logo
5:12 pm - 1:56 pm
SEA
-
STT
16h 44m2 stops
United Airlines Logo
1:02 pm - 10:43 pm
STT
-
SEA
13h 41m2 stops
$547United Airlines
mar., ene. 20 - lun., ene. 26
United Airlines Logo
12:43 pm - 1:56 pm
SEA
-
STT
21h 13m2 stops
United Airlines Logo
2:05 pm - 10:45 pm
STT
-
SEA
11h 40m1 stop
$551United Airlines
lun., feb. 23 - lun., mar. 9
Delta Logo
11:05 pm - 12:42 pm
SEA
-
STT
9h 37m1 stop
Delta Logo
3:10 pm - 11:12 pm
STT
-
SEA
12h 02m1 stop
$555Delta
lun., feb. 16 - mié., feb. 25
American Airlines Logo
10:53 pm - 11:12 am
PDX
-
STT
9h 19m1 stop
American Airlines Logo
5:37 pm - 11:07 am
STT
-
PDX
20h 30m2 stops
$599American Airlines
dom., mar. 29 - dom., abr. 5
American Airlines Logo
11:59 pm - 4:29 pm
PDX
-
STT
13h 30m2 stops
American Airlines Logo
1:40 pm - 11:02 pm
STT
-
PDX
12h 22m1 stop
$639American Airlines
mié., abr. 1 - mié., abr. 8

Delta flights from State of Washington to Saint Thomas Island

Our best Delta deals on State of Washington to Saint Thomas Island flight tickets
Delta
Jan 11
SEA10:55 pmSeattle/Tacoma Intl
12h 19m
1 stop
STT3:14 pmSaint Thomas Island Cyril E King
Jan 16
STT3:10 pmSaint Thomas Island Cyril E King
11h 40m
1 stop
SEA10:50 pmSeattle/Tacoma Intl
$473
Find similar
Delta
Feb 19
SEA9:55 pmSeattle/Tacoma Intl
11h 54m
1 stop
STT1:49 pmSaint Thomas Island Cyril E King
Mar 10
STT2:00 pmSaint Thomas Island Cyril E King
10h 54m
1 stop
SEA9:54 pmSeattle/Tacoma Intl
$513
Find similar
Delta
Feb 17
SEA4:40 pmSeattle/Tacoma Intl
16h 02m
2 stops
STT12:42 pmSaint Thomas Island Cyril E King
Feb 26
STT1:52 pmSaint Thomas Island Cyril E King
13h 20m
1 stop
SEA11:12 pmSeattle/Tacoma Intl
$514
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 11
SEA11:12 pmSeattle/Tacoma Intl
12h 44m
2 stops
STT3:56 pmSaint Thomas Island Cyril E King
Jan 18
STT4:47 pmSaint Thomas Island Cyril E King
20h 50m
2 stops
SEA9:37 amSeattle/Tacoma Intl
$541
Find similar
American Airlines
Mar 5
SEA12:59 amSeattle/Tacoma Intl
12h 32m
2 stops
STT5:31 pmSaint Thomas Island Cyril E King
Mar 16
STT12:02 pmSaint Thomas Island Cyril E King
14h 28m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
$582
Find similar
American Airlines
Feb 19
SEA12:59 amSeattle/Tacoma Intl
11h 53m
1 stop
STT4:52 pmSaint Thomas Island Cyril E King
Feb 25
STT2:45 pmSaint Thomas Island Cyril E King
24h 20m
2 stops
SEA11:05 amSeattle/Tacoma Intl
$583
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 diciembre 11, 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

dom. 1/11

10:55 pm-12:42 pm

1 stop9h 47m

Saint Thomas Island Cyril E King

jue. 1/22

3:10 pm-11:15 pm

1 stop12h 05m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

jue. 2/19

9:55 pm-1:49 pm

1 stop11h 54m

Saint Thomas Island Cyril E King

mar. 3/10

2:00 pm-9:54 pm

1 stop10h 54m

$513

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mar. 2/17

7:00 pm-12:42 pm

2 stops13h 42m

Saint Thomas Island Cyril E King

mar. 2/24

4:15 pm-11:12 pm

1 stop10h 57m

$514

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mar. 2/10

5:10 pm-1:56 pm

2 stops16h 46m

Saint Thomas Island Cyril E King

mié. 2/18

1:02 pm-10:59 pm

2 stops13h 57m

$527

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

dom. 1/11

11:12 pm-3:56 pm

2 stops12h 44m

Saint Thomas Island Cyril E King

dom. 1/18

4:47 pm-9:37 am

2 stops20h 50m

$541

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mar. 1/20

5:12 pm-1:56 pm

2 stops16h 44m

Saint Thomas Island Cyril E King

lun. 1/26

1:02 pm-10:43 pm

2 stops13h 41m

$547

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

lun. 2/23

12:43 pm-1:56 pm

2 stops21h 13m

Saint Thomas Island Cyril E King

lun. 3/9

2:05 pm-10:45 pm

1 stop11h 40m

$551

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

lun. 2/16

11:05 pm-12:42 pm

1 stop9h 37m

Saint Thomas Island Cyril E King

mié. 2/25

3:10 pm-11:12 pm

1 stop12h 02m

$555

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

dom. 3/29

10:53 pm-11:12 am

1 stop9h 19m

Saint Thomas Island Cyril E King

dom. 4/5

5:37 pm-11:07 am

2 stops20h 30m

$599

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

mié. 4/1

11:59 pm-4:29 pm

2 stops13h 30m

Saint Thomas Island Cyril E King

mié. 4/8

1:40 pm-11:02 pm

1 stop12h 22m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 $536.

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 $662 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 $491 on momondo.

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

Fastest flight time

9h 47m

Direct flights

None
The fastest flight from State of Washington to Saint Thomas Island takes 9h 47m
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.
Search flight deals

  • 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
DeltaPriceFrom $280Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $443Free CancellationRating
7.2
11,050 reviews
Search American 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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