What are the cheapest airlines to fly from State of Washington to Saint Thomas Island one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $202. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from State of Washington to Saint Thomas Island for a low price.

What are the most popular airlines that fly from State of Washington to Saint Thomas Island?

Before booking your flight from State of Washington to Saint Thomas Island check out the most popular airlines for this route: American Airlines, Delta or Spirit Airlines.

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

Travelers have found it’s best to book a flight 59 days in advance to save up to 261% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 59 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to Saint Thomas Island 1-2 weeks in advance for as low as $735, or $952 for flights within the next 24 hours.

What is the cheapest month to fly from State of Washington to Saint Thomas Island?

September is one of the best times of the year to fly to Saint Thomas Island from State of Washington. Prices for September average $716 per person but you can even find prices for as low as $271. The most expensive prices can be found in the month of December. Opting for a September flight can save you 48% on your journey compared to booking in December

What airport do you fly into for flights to Saint Thomas Island from Washington?

If you book a flight to Saint Thomas Island from Washington, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.

How can I find direct flights from Washington to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Saint Thomas Island.

Can I find deals for business class flights from Washington to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Washington to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$202+ Flights from Washington to Saint Thomas Island

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Cheap flight deals from Washington to Saint Thomas Island

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$436 (Mytrip)
One-way from	$202 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$764

Provider with most accurate pricing for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Saint Thomas Island Cyril E King flights.

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From Washington to Saint Thomas Island Cyril E King

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One-way flight from Washington to Saint Thomas Island Cyril E King

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Highest demand for flights based on searches. 11% potential increase in price ($89 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Washington to Saint Thomas Island

Cheapest flights from Washington to Saint Thomas Island
Explore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Fri 5/304:35 pmPDX - STT

2 stops19h 19mMultiple Airlines

Thu 6/1210:47 amSTT - PDX

2 stops32h 03mMultiple Airlines

Deal found 4/23

$436

Sun 8/3110:58 pmSEA - STT

1 stop10h 52mAmerican Airlines

Mon 9/84:50 pmSTT - SEA

1 stop10h 43mAmerican Airlines

Deal found 4/23

$443

Tue 6/33:20 pmSEA - STT

2 stops15h 37mSpirit Airlines

Tue 6/1010:52 amSTT - SEA

2 stops30h 33mSpirit Airlines

Deal found 4/23

$461

Tue 6/35:50 pmSEA - STT

2 stops15h 17mDelta

Tue 6/101:19 pmSTT - SEA

1 stop12h 46mDelta

Deal found 4/22

$485

Sat 8/1611:59 pmPDX - STT

2 stops11h 51mAmerican Airlines

Sat 8/231:55 pmSTT - PDX

2 stops11h 43mAmerican Airlines

Deal found 4/23

$499

Fri 6/63:20 pmSEA - STT

2 stops15h 37mMultiple Airlines

Fri 6/1310:47 amSTT - SEA

3 stops31h 16mMultiple Airlines

Deal found 4/22

$530

Fri 5/3010:55 pmPDX - STT

1 stop11h 13mUnited Airlines

Thu 6/121:19 pmSTT - PDX

1 stop12h 03mUnited Airlines

Deal found 4/23

$590

Sun 5/255:40 pmPDX - STT

2 stops13h 17mSpirit Airlines

Sat 5/313:49 pmSTT - PDX

2 stops23h 53mSpirit Airlines

Deal found 4/23

$594

Sun 12/145:00 pmSEA - STT

2 stops16h 11mUnited Airlines

Mon 12/221:05 pmSTT - SEA

2 stops14h 21mUnited Airlines

Deal found 4/22

$625

Sun 7/277:20 pmPDX - STT

2 stops13h 52mDelta

Sun 8/33:00 pmSTT - PDX

1 stop11h 58mDelta

Deal found 4/22

$764

Best flights from Washington to Saint Thomas Island
Discover carefully curated flight deals from Washington to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Fri 5/304:35 pmPDX - STT

2 stops19h 19mMultiple Airlines

Thu 6/1210:47 amSTT - PDX

2 stops32h 03mMultiple Airlines

Deal found 4/23

$436

Sun 8/3110:58 pmSEA - STT

1 stop10h 52mAmerican Airlines

Mon 9/84:50 pmSTT - SEA

1 stop10h 43mAmerican Airlines

Deal found 4/23

$443

Tue 6/33:20 pmSEA - STT

2 stops15h 37mSpirit Airlines

Tue 6/1010:52 amSTT - SEA

2 stops30h 33mSpirit Airlines

Deal found 4/23

$461

Mon 9/16:59 pmSEA - STT

2 stops15h 56mDelta

Fri 9/53:00 pmSTT - SEA

1 stop10h 22mDelta

Deal found 4/22

$485

Fri 5/3010:55 pmPDX - STT

1 stop11h 13mUnited Airlines

Thu 6/121:19 pmSTT - PDX

1 stop12h 03mUnited Airlines

Deal found 4/23

$590

Sat 8/1611:59 pmPDX - STT

2 stops11h 51mAmerican Airlines

Sat 8/231:55 pmSTT - PDX

2 stops11h 43mAmerican Airlines

Deal found 4/23

$499

Fri 6/66:00 amSEA - STT

2 stops24h 57mMultiple Airlines

Fri 6/1310:47 amSTT - SEA

3 stops31h 16mMultiple Airlines

Deal found 4/23

$536

Sun 5/255:40 pmPDX - STT

2 stops13h 17mSpirit Airlines

Sat 5/313:49 pmSTT - PDX

2 stops23h 53mSpirit Airlines

Deal found 4/23

$594

Sun 7/2711:20 pmSEA - STT

1 stop9h 57mUnited Airlines

Fri 8/11:19 pmSTT - SEA

1 stop12h 18mUnited Airlines

Deal found 4/23

$658

Sun 7/277:20 pmPDX - STT

2 stops13h 52mDelta

Sun 8/33:00 pmSTT - PDX

1 stop11h 58mDelta

Deal found 4/22

$764

Last-minute flights from Washington to Saint Thomas Island
Discover last-minute flight deals from Washington to Saint Thomas Island. Data last updated April 24, 2025 and is based on user searches.

Sun 5/412:45 amSEA - STT

2 stops11h 20mDelta

Tue 5/202:51 pmSTT - SEA

2 stops12h 08mDelta

Deal found 4/23

$695

Mon 5/510:10 pmSEA - STT

1 stop13h 38mAmerican Airlines

Tue 5/135:10 pmSTT - SEA

2 stops19h 13mAmerican Airlines

Deal found 4/22

$557

Tue 5/612:30 pmSEA - STT

2 stops18h 27mSpirit Airlines

Wed 5/2110:52 amSTT - SEA

2 stops40h 18mSpirit Airlines

Deal found 4/21

$506

Thu 5/85:40 pmSEA - STT

2 stops19h 03mUnited Airlines

Mon 5/122:10 pmSTT - SEA

2 stops24h 15mUnited Airlines

Deal found 4/23

$879

Wed 5/147:05 pmPDX - STT

2 stops14h 02mDelta

Sat 5/242:51 pmSTT - PDX

1 stop9h 53mDelta

Deal found 4/23

$799

Fri 5/2311:59 pmSEA - STT

3 stops30h 58mMultiple Airlines

Mon 5/262:41 pmSTT - SEA

2 stops36h 29mMultiple Airlines

Deal found 4/22

$719

Sun 5/255:40 pmPDX - STT

2 stops13h 17mSpirit Airlines

Sat 5/313:49 pmSTT - PDX

2 stops23h 53mSpirit Airlines

Deal found 4/23

$594

Sun 5/2510:24 pmPDX - STT

1 stop14h 56mAmerican Airlines

Sat 5/315:10 pmSTT - PDX

2 stops20h 39mAmerican Airlines

Deal found 4/23

$1,102

Fri 5/304:35 pmPDX - STT

2 stops19h 19mMultiple Airlines

Thu 6/1210:47 amSTT - PDX

2 stops32h 03mMultiple Airlines

Deal found 4/23

$436

Fri 5/3010:55 pmPDX - STT

1 stop11h 13mUnited Airlines

Thu 6/121:19 pmSTT - PDX

1 stop12h 03mUnited Airlines

Deal found 4/23

$590

One-way flights from Washington to Saint Thomas Island
Search for one-way flight options from Washington to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sat 5/105:40 pmPDX - STT

2 stops18h 50mSpirit Airlines

Deal found 4/23

$202

Sat 6/79:45 pmSEA - STT

1 stop11h 24mDelta

Deal found 4/23

$220

Sat 6/73:20 pmSEA - STT

2 stops18h 06mSpirit Airlines

Deal found 4/23

$246

Mon 6/168:02 pmPDX - STT

2 stops13h 07mDelta

Deal found 4/23

$248

Wed 4/3011:45 pmSEA - STT

2 stops12h 58mUnited Airlines

Deal found 4/22

$334

Sun 6/1512:59 amPDX - STT

1 stop11h 03mAmerican Airlines

Deal found 4/23

$408

Wed 6/1811:59 pmPDX - STT

1 stop12h 44mUnited Airlines

Deal found 4/23

$457

Fri 6/612:05 amSEA - STT

2 stops12h 50mAmerican Airlines

Deal found 4/23

$757

Cheapflights 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

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 5/30

4:35 pm-2:54 pm

2 stops19h 19m

Saint Thomas Island Cyril E King

Thu 6/12

10:47 am-3:50 pm

2 stops32h 03m

$436

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 6/3

3:20 pm-9:57 am

2 stops15h 37m

Saint Thomas Island Cyril E King

Tue 6/10

10:52 am-2:25 pm

2 stops30h 33m

$461

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 6/3

5:50 pm-12:07 pm

2 stops15h 17m

Saint Thomas Island Cyril E King

Tue 6/10

1:19 pm-11:05 pm

1 stop12h 46m

$485

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 8/16

11:59 pm-2:50 pm

2 stops11h 51m

Saint Thomas Island Cyril E King

Sat 8/23

1:55 pm-10:38 pm

2 stops11h 43m

$499

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Fri 6/6

3:20 pm-9:57 am

2 stops15h 37m

Saint Thomas Island Cyril E King

Fri 6/13

10:47 am-3:03 pm

3 stops31h 16m

$530

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 5/5

10:10 pm-2:48 pm

1 stop13h 38m

Saint Thomas Island Cyril E King

Tue 5/13

5:10 pm-9:23 am

2 stops19h 13m

$557

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 5/30

10:55 pm-1:08 pm

1 stop11h 13m

Saint Thomas Island Cyril E King

Thu 6/12

1:19 pm-10:22 pm

1 stop12h 03m

$590

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 5/25

5:40 pm-9:57 am

2 stops13h 17m

Saint Thomas Island Cyril E King

Sat 5/31

3:49 pm-12:42 pm

2 stops23h 53m

$594

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 6/30

11:58 pm-3:43 pm

1 stop12h 45m

Saint Thomas Island Cyril E King

Tue 7/8

4:45 pm-12:56 am

1 stop11h 11m

$631

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 7/27

7:20 pm-12:12 pm

2 stops13h 52m

Saint Thomas Island Cyril E King

Sun 8/3

3:00 pm-11:58 pm

1 stop11h 58m

$764

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 18 results

Best time to book a flight from Washington to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Saint Thomas Island

What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $433). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to STT?

When flying from State of Washington to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Thomas Island

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Washington to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

7,942 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly into for flights to Saint Thomas Island from Washington?
If you book a flight to Saint Thomas Island from Washington, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 2.8 mi from the center of Saint Thomas Island.
What are the cheapest airlines to fly from State of Washington to Saint Thomas Island one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $202. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from State of Washington to Saint Thomas Island for a low price.
Can I find deals for flights from Washington to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Washington to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Saint Thomas Island.
Can I find deals for business class flights from Washington to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Washington to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from State of Washington to Saint Thomas Island (average of $433). Flying from State of Washington to Saint Thomas Island in June is currently the most expensive (average of $640). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Washington to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$199	Average$479	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$426	Average$733	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$485	Average$697	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$539	Average$714	FlexibilityNo cancel fee	On-time69%

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$202+ Cheap flights from Washington to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Saint Thomas Island with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to Saint Thomas Island

Keep the following information in mind while searching for Washington to Saint Thomas Island flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Saint Thomas Island

Cheapest flights from Washington to Saint Thomas IslandExplore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Saint Thomas Island

What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?

What is the cheapest time of day to fly from WA to STT?

Find hourly flight availability from Washington to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Reviews of airlines servicing Saint Thomas Island

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Washington to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Saint Thomas Island from Washington?

What are the cheapest airlines to fly from State of Washington to Saint Thomas Island one-way?

Can I find deals for flights from Washington to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Washington to Saint Thomas Island?

Can I find deals for business class flights from Washington to Saint Thomas Island?

What is the cheapest month to book a flight from State of Washington to Saint Thomas Island?

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Alternative routes for Washington to Saint Thomas Island

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Top 4 airlines flying from Washington to Saint Thomas Island

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Cheapest flights from Washington to Saint Thomas Island
Explore the most affordable flight options available from Washington to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.