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 $185. However, be on the lookout for offers from Delta and American 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 $892 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 $678 per person but you can even find prices for as low as $268. The most expensive prices can be found in the month of December. Opting for a September flight can save you 37% 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.

$185+ Flights from Washington to Saint Thomas Island

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Saint Thomas Island

Round-trip from	$353 (FlightHub)
One-way from	$185 (Priceline)
Popular in	December
Cheapest in	September
Average price	$877

From Washington to Saint Thomas Island Cyril E King

Search Deals

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

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 11, 2025.

Tue 7/812:12 pmPDX - STT

2 stops18h 36mSpirit Airlines

Tue 7/154:05 pmSTT - PDX

2 stops20h 13mSpirit Airlines

Deal found 6/11

$353

Tue 7/13:58 pmSEA - STT

2 stops14h 50mSpirit Airlines

Tue 7/83:03 pmSTT - SEA

2 stops28h 22mSpirit Airlines

Deal found 6/10

$412

Sun 8/318:08 pmSEA - STT

1 stop13h 42mAmerican Airlines

Mon 9/85:10 pmSTT - SEA

2 stops19h 09mAmerican Airlines

Deal found 6/11

$473

Wed 9/34:58 pmSEA - STT

3 stops40h 54mMultiple Airlines

Thu 9/111:47 pmSTT - SEA

3 stops30h 29mMultiple Airlines

Deal found 6/9

$548

Tue 8/1211:20 pmSEA - STT

1 stop9h 57mUnited Airlines

Sat 8/162:10 pmSTT - SEA

1 stop11h 32mUnited Airlines

Deal found 6/10

$563

Thu 8/2810:05 pmPDX - STT

1 stop13h 05mDelta

Sun 9/73:23 pmSTT - PDX

1 stop9h 49mDelta

Deal found 6/11

$594

Wed 10/12:05 pmPDX - STT

2 stops19h 43mAmerican Airlines

Tue 10/75:15 pmSTT - PDX

2 stops19h 54mAmerican Airlines

Deal found 6/10

$635

Wed 10/297:38 pmPDX - STT

2 stops13h 34mUnited Airlines

Wed 11/52:15 pmSTT - PDX

1 stop11h 55mUnited Airlines

Deal found 6/11

$649

Sun 6/157:44 pmPDX - STT

3 stops35h 04mMultiple Airlines

Tue 6/2410:47 amSTT - PDX

2 stops27h 30mMultiple Airlines

Deal found 6/10

$670

Fri 12/2611:59 pmPDX - STT

1 stop11h 36mSun Country Air

Sat 1/34:35 pmSTT - PDX

2 stops29h 03mSun Country Air

Deal found 6/10

$1,581

Sat 6/289:40 pmSEA - STT

1 stop14h 11mDelta

Sun 7/61:24 pmSTT - SEA

1 stop10h 23mDelta

Deal found 6/11

$1,754

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 June 11, 2025.

Tue 7/812:12 pmPDX - STT

2 stops18h 36mSpirit Airlines

Tue 7/154:05 pmSTT - PDX

2 stops20h 13mSpirit Airlines

Deal found 6/11

$353

Sun 8/318:08 pmSEA - STT

1 stop13h 42mAmerican Airlines

Mon 9/85:10 pmSTT - SEA

2 stops22h 02mAmerican Airlines

Deal found 6/10

$473

Thu 7/1011:59 pmSEA - STT

3 stops30h 49mMultiple Airlines

Wed 7/231:25 pmSTT - SEA

3 stops30h 00mMultiple Airlines

Deal found 6/9

$543

Tue 8/1211:20 pmSEA - STT

1 stop9h 57mUnited Airlines

Sat 8/162:10 pmSTT - SEA

1 stop11h 32mUnited Airlines

Deal found 6/10

$563

Thu 8/2810:05 pmPDX - STT

1 stop13h 05mDelta

Sun 9/73:23 pmSTT - PDX

1 stop9h 49mDelta

Deal found 6/11

$594

Tue 7/13:58 pmSEA - STT

2 stops14h 50mSpirit Airlines

Tue 7/83:03 pmSTT - SEA

2 stops28h 22mSpirit Airlines

Deal found 6/10

$412

Wed 10/12:05 pmPDX - STT

2 stops19h 43mAmerican Airlines

Tue 10/75:15 pmSTT - PDX

2 stops19h 54mAmerican Airlines

Deal found 6/10

$635

Wed 10/297:38 pmPDX - STT

2 stops13h 34mUnited Airlines

Wed 11/52:15 pmSTT - PDX

1 stop11h 55mUnited Airlines

Deal found 6/11

$649

Thu 11/207:10 pmPDX - STT

2 stops12h 50mMultiple Airlines

Fri 11/2810:55 amSTT - PDX

2 stops15h 15mMultiple Airlines

Deal found 6/10

$1,250

Last-minute flights from Washington to Saint Thomas Island
Discover last-minute flight deals from Washington to Saint Thomas Island. Data last updated June 11, 2025 and is based on user searches.

Sun 6/157:44 pmPDX - STT

3 stops35h 04mMultiple Airlines

Tue 6/2410:47 amSTT - PDX

2 stops27h 30mMultiple Airlines

Deal found 6/10

$670

Mon 6/1612:05 amSEA - STT

2 stops12h 55mAmerican Airlines

Tue 6/241:44 pmSTT - SEA

1 stop13h 03mAmerican Airlines

Deal found 6/10

$1,020

Tue 6/173:58 pmSEA - STT

2 stops14h 50mSpirit Airlines

Tue 6/2410:47 amSTT - SEA

2 stops31h 16mSpirit Airlines

Deal found 6/10

$716

Tue 6/173:58 pmSEA - STT

3 stops17h 31mMultiple Airlines

Tue 6/241:24 pmSTT - SEA

3 stops36h 26mMultiple Airlines

Deal found 6/10

$781

Wed 6/1812:12 pmPDX - STT

2 stops22h 46mSpirit Airlines

Fri 6/273:03 pmSTT - PDX

2 stops23h 14mSpirit Airlines

Deal found 6/10

$675

Wed 6/1811:59 pmPDX - STT

1 stop12h 03mAmerican Airlines

Fri 6/2711:29 amSTT - PDX

2 stops14h 53mAmerican Airlines

Deal found 6/10

$1,337

Wed 6/181:25 pmPDX - STT

3 stops16h 10mUnited Airlines

Fri 6/279:10 amSTT - PDX

2 stops15h 16mUnited Airlines

Deal found 6/10

$1,644

Fri 6/2011:21 pmSEA - STT

1 stop10h 47mUnited Airlines

Tue 6/241:19 pmSTT - SEA

2 stops23h 26mUnited Airlines

Deal found 6/10

$1,060

Thu 6/2611:59 pmSEA - STT

3 stops34h 59mMultiple Airlines

Mon 6/3010:47 amSTT - SEA

2 stops31h 16mMultiple Airlines

Deal found 6/11

$653

Sat 6/289:40 pmSEA - STT

1 stop14h 11mDelta

Sun 7/61:24 pmSTT - SEA

1 stop10h 23mDelta

Deal found 6/11

$1,754

Tue 7/13:58 pmSEA - STT

2 stops14h 50mSpirit Airlines

Tue 7/83:03 pmSTT - SEA

2 stops28h 22mSpirit Airlines

Deal found 6/10

$412

Mon 7/712:40 amPDX - STT

2 stops11h 20mDelta

Wed 7/161:27 pmSTT - PDX

2 stops14h 01mDelta

Deal found 6/11

$801

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 June 11, 2025.

Wed 7/95:30 pmSEA - STT

2 stops13h 18mSpirit Airlines

Deal found 6/9

$185

Wed 7/99:45 pmSEA - STT

1 stop11h 32mDelta

Deal found 6/9

$235

Tue 6/175:36 pmPDX - STT

2 stops14h 13mAmerican Airlines

Deal found 6/10

$354

Wed 6/1812:12 pmPDX - STT

2 stops22h 46mSpirit Airlines

Deal found 6/10

$398

Tue 7/812:20 amSEA - STT

2 stops32h 57mUnited Airlines

Deal found 6/9

$562

Mon 6/169:54 amPDX - STT

3 stops26h 49mUnited Airlines

Deal found 6/9

$636

Tue 7/812:25 amSEA - STT

1 stop11h 36mMultiple Airlines

Deal found 6/9

$6,860

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

Tue 7/8

12:12 pm-9:48 am

2 stops18h 36m

Saint Thomas Island Cyril E King

Tue 7/15

4:05 pm-9:18 am

2 stops20h 13m

$353

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 7/1

3:58 pm-9:48 am

2 stops14h 50m

Saint Thomas Island Cyril E King

Tue 7/8

3:03 pm-4:25 pm

2 stops28h 22m

$412

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 8/31

8:08 pm-12:50 pm

1 stop13h 42m

Saint Thomas Island Cyril E King

Mon 9/8

5:10 pm-9:19 am

2 stops19h 09m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Wed 9/3

4:58 pm-12:52 pm

3 stops40h 54m

Saint Thomas Island Cyril E King

Thu 9/11

1:47 pm-5:16 pm

3 stops30h 29m

$548

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 8/12

11:20 pm-12:17 pm

1 stop9h 57m

Saint Thomas Island Cyril E King

Sat 8/16

2:10 pm-10:42 pm

1 stop11h 32m

$563

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 8/28

10:05 pm-2:10 pm

1 stop13h 05m

Saint Thomas Island Cyril E King

Sun 9/7

3:23 pm-10:12 pm

1 stop9h 49m

$594

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sun 6/15

7:44 pm-9:48 am

3 stops35h 04m

Saint Thomas Island Cyril E King

Tue 6/24

10:47 am-11:17 am

2 stops27h 30m

$670

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 7/9

9:50 pm-10:45 am

1 stop9h 55m

Saint Thomas Island Cyril E King

Wed 7/16

1:53 pm-11:22 pm

2 stops12h 29m

$711

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 8/5

11:20 pm-12:17 pm

1 stop9h 57m

Saint Thomas Island Cyril E King

Mon 8/11

1:19 pm-10:33 pm

1 stop12h 14m

$764

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sat 6/28

9:40 pm-2:51 pm

1 stop14h 11m

Saint Thomas Island Cyril E King

Sun 7/6

1:24 pm-8:47 pm

1 stop10h 23m

$1,754

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $650). 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

7,945 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,945 reviews

Delta

8.0

Very good

7,945 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,784 reviews

Delta

8.0

Very good

7,945 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,945 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,945 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $185. However, be on the lookout for offers from Delta and American 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 $650). 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$474	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$310	Average$665	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$443	Average$681	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$495	Average$690	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$185+ 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 7/9. 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

1. Tell us where you want to go

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 June 11, 2025.

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 June 11, 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 June 11, 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 June 11, 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?

Traveling to a place near Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Washington to Saint Thomas Island

100% Free

Book with Flexibility

Travel Smart

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 June 11, 2025.