What is the cheapest airline that flies from Washington to Saint Thomas Island Cyril E King?

Delta, United Airlines, and JetBlue are the most popular carriers operating from Washington to Saint Thomas Island Cyril E King

What airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from State of Washington according to our data. American Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 3 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

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?

As of May 2026, there are 3 operators available to choose from 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.

$218 Cheap Flights from Washington to Saint Thomas Island in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Saint Thomas Island

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:28 pm - 3:18 pm

SEA

STT

16h 50m

2 stops

12:02 pm - 8:10 pm

STT

SEA

11h 08m

1 stop

$530United Airlines

Sat, Oct 24 - Fri, Oct 30

4:30 pm - 11:00 am

SEA

STT

15h 30m

2 stops

2:05 pm - 10:29 pm

STT

SEA

11h 24m

1 stop

$550United Airlines

Mon, Oct 26 - Sat, Oct 31

12:26 am - 3:52 pm

SEA

STT

12h 26m

2 stops

1:30 pm - 11:59 pm

STT

SEA

13h 29m

2 stops

$584American Airlines

Sun, Aug 23 - Sat, Aug 29

1:00 pm - 12:52 pm

SEA

STT

20h 52m

1 stop

4:42 pm - 12:20 am

STT

SEA

10h 38m

1 stop

$589American Airlines

Wed, Aug 19 - Fri, Aug 28

8:35 pm - 11:18 am

SEA

STT

11h 43m

1 stop

1:49 pm - 12:20 am

STT

SEA

13h 31m

1 stop

$609American Airlines

Fri, Sep 4 - Sun, Sep 6

1:00 pm - 12:52 pm

SEA

STT

20h 52m

1 stop

1:49 pm - 9:25 am

STT

SEA

22h 36m

2 stops

$624American Airlines

Mon, Aug 24 - Wed, Aug 26

6:15 pm - 11:03 am

SEA

STT

13h 48m

2 stops

4:50 pm - 12:07 am

STT

SEA

10h 17m

1 stop

$629American Airlines

Wed, Jul 8 - Mon, Jul 20

11:40 pm - 5:00 pm

PDX

STT

14h 20m

2 stops

1:22 pm - 10:48 pm

STT

PDX

12h 26m

1 stop

$631United Airlines

Fri, Jun 5 - Mon, Jun 8

11:44 pm - 2:03 pm

SEA

STT

11h 19m

1 stop

2:58 pm - 10:35 am

STT

SEA

22h 37m

2 stops

$645JetBlue

Mon, Jun 15 - Tue, Jun 23

11:27 pm - 2:03 pm

PDX

STT

11h 36m

1 stop

2:58 pm - 1:04 pm

STT

PDX

25h 06m

2 stops

$724JetBlue

Thu, Aug 6 - Tue, Aug 11

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

Aug 23

SEA12:26 amSeattle/Tacoma Intl

12h 26m

2 stops

STT3:52 pmSaint Thomas Island Cyril E King

Aug 29

STT1:30 pmSaint Thomas Island Cyril E King

13h 29m

2 stops

SEA11:59 pmSeattle/Tacoma Intl

$584

American Airlines

Aug 19

SEA1:00 pmSeattle/Tacoma Intl

20h 52m

1 stop

STT12:52 pmSaint Thomas Island Cyril E King

Aug 28

STT4:42 pmSaint Thomas Island Cyril E King

10h 38m

1 stop

SEA12:20 amSeattle/Tacoma Intl

$589

American Airlines

Sep 4

SEA8:35 pmSeattle/Tacoma Intl

11h 43m

1 stop

STT11:18 amSaint Thomas Island Cyril E King

Sep 6

STT1:49 pmSaint Thomas Island Cyril E King

13h 31m

1 stop

SEA12:20 amSeattle/Tacoma Intl

$609

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

Oct 24

SEA7:28 pmSeattle/Tacoma Intl

16h 50m

2 stops

STT3:18 pmSaint Thomas Island Cyril E King

Oct 30

STT12:02 pmSaint Thomas Island Cyril E King

11h 08m

1 stop

SEA8:10 pmSeattle/Tacoma Intl

$530

United Airlines

Oct 26

SEA4:30 pmSeattle/Tacoma Intl

15h 30m

2 stops

STT11:00 amSaint Thomas Island Cyril E King

Oct 31

STT2:05 pmSaint Thomas Island Cyril E King

11h 24m

1 stop

SEA10:29 pmSeattle/Tacoma Intl

$550

United Airlines

Jun 5

PDX11:40 pmPortland

14h 20m

2 stops

STT5:00 pmSaint Thomas Island Cyril E King

Jun 8

STT1:22 pmSaint Thomas Island Cyril E King

12h 26m

1 stop

PDX10:48 pmPortland

$631

momondo Fare Finder

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

Cheapest round-trip

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sat 10/24

7:28 pm-3:18 pm

2 stops16h 50m

Saint Thomas Island Cyril E King

Fri 10/30

12:02 pm-8:10 pm

1 stop11h 08m

$530

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 10/26

4:30 pm-11:00 am

2 stops15h 30m

Saint Thomas Island Cyril E King

Sat 10/31

2:05 pm-10:29 pm

1 stop11h 24m

$550

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 8/23

12:26 am-3:52 pm

2 stops12h 26m

Saint Thomas Island Cyril E King

Sat 8/29

1:30 pm-11:59 pm

2 stops13h 29m

$584

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 8/19

1:00 pm-12:52 pm

1 stop20h 52m

Saint Thomas Island Cyril E King

Fri 8/28

4:42 pm-12:20 am

1 stop10h 38m

$589

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Fri 9/4

8:35 pm-11:18 am

1 stop11h 43m

Saint Thomas Island Cyril E King

Sun 9/6

1:49 pm-12:20 am

1 stop13h 31m

$609

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 8/24

1:00 pm-12:52 pm

1 stop20h 52m

Saint Thomas Island Cyril E King

Wed 8/26

1:49 pm-9:25 am

2 stops22h 36m

$624

Quickest round-trip

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 7/8

6:15 pm-11:03 am

2 stops13h 48m

Saint Thomas Island Cyril E King

Mon 7/20

4:50 pm-12:07 am

1 stop10h 17m

$629

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 6/5

11:40 pm-5:00 pm

2 stops14h 20m

Saint Thomas Island Cyril E King

Mon 6/8

1:22 pm-10:48 pm

1 stop12h 26m

$631

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 6/15

11:44 pm-2:03 pm

1 stop11h 19m

Saint Thomas Island Cyril E King

Tue 6/23

2:58 pm-10:35 am

2 stops22h 37m

$645

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 8/6

11:27 pm-2:03 pm

1 stop11h 36m

Saint Thomas Island Cyril E King

Tue 8/11

2:58 pm-1:04 pm

2 stops25h 06m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of December is another great option to travel to Saint Thomas Island, with average flight prices from State of Washington averaging around $265.

How far in advance should I book a flight from Washington 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 $690 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 $499 on momondo.

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

You could potentially save up to 15% 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

Fastest flight time	10h 35m
Direct flights	None

The fastest flight from State of Washington to Saint Thomas Island takes 10h 35m

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

Frequently asked questions about flying from Washington to Saint Thomas Island

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?
As of May 2026, there are 3 operators available to choose from 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
Delta	PriceFrom $315	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
United Airlines	PriceFrom $438	Free Cancellation	Rating 7.4 9,709 reviews	Search United Airlines flights
American Airlines	PriceFrom $473	Free Cancellation	Rating 7.1 11,664 reviews	Search American Airlines flights

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

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

Fri 6/12

Fri 6/19

Email me momondo's favorite deals

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

Nearby airports

Airlines

Cabin classes

Other flights from Washington

Complete your trip

Feeling lucky

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from Washington to Saint Thomas Island from $218

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Saint Thomas Island

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Saint Thomas Island that are best for you.

See travel insights to Saint Thomas Island from

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

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

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

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

What is the cheapest airline that flies from Washington to Saint Thomas Island Cyril E King?

What airlines fly to Saint Thomas Island?

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

Direct flights

Frequently asked questions about flying from Washington to Saint Thomas Island

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

Traveling to a place near Saint Thomas Island?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Airports servicing U.S. Virgin Islands

Fly your favorite airline to Saint Thomas Island

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Thomas Island

List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

Fly to other destinations from Washington

According to popular flight searches on momondo this year

Complete your trip to Saint Thomas Island

Explore popular destinations other users love

According to popular flight searches on momondo this year