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 $195. However, be on the lookout for offers from American Airlines 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 $659, 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.

$195+ Flights from Washington to Saint Thomas Island

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Cheap flight deals from Washington to Saint Thomas Island

Round-trip from	$385 (FlightHub)
One-way from	$195 (Priceline)
Popular in	December
Cheapest in	September
Average price	$877

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. 5% potential increase in price ($42 potential increase over avg. RT price).

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

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Average for round-trip flights in June 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 junio 26, 2025.

lun. 7/143:10 pmPDX - STT

2 stops18h 20mSpirit Airlines

jue. 7/171:25 pmSTT - PDX

2 stops22h 53mSpirit Airlines

Deal found 6/23

$385

dom. 7/275:30 pmSEA - STT

2 stops16h 00mSpirit Airlines

sáb. 8/24:05 pmSTT - SEA

2 stops27h 20mSpirit Airlines

Deal found 6/24

$451

jue. 9/49:28 amPDX - STT

3 stops24h 24mMultiple Airlines

mié. 9/101:47 pmSTT - PDX

3 stops26h 43mMultiple Airlines

Deal found 6/23

$471

vie. 8/155:10 pmSEA - STT

2 stops16h 09mUnited Airlines

sáb. 8/3012:10 pmSTT - SEA

2 stops13h 49mUnited Airlines

Deal found 6/23

$473

mié. 10/2211:07 pmSEA - STT

1 stop12h 38mAmerican Airlines

dom. 11/24:45 pmSTT - SEA

1 stop10h 35mAmerican Airlines

Deal found 6/25

$518

mar. 11/46:46 pmPDX - STT

2 stops12h 59mAmerican Airlines

lun. 11/104:45 pmSTT - PDX

2 stops21h 33mAmerican Airlines

Deal found 6/24

$559

mié. 12/103:41 pmPDX - STT

2 stops17h 31mUnited Airlines

mié. 12/171:02 pmSTT - PDX

2 stops13h 11mUnited Airlines

Deal found 6/24

$592

dom. 11/23:15 pmPDX - STT

2 stops19h 17mDelta

mié. 11/123:32 pmSTT - PDX

1 stop11h 00mDelta

Deal found 6/24

$594

mié. 8/276:34 pmSEA - STT

3 stops36h 40mMultiple Airlines

sáb. 8/3011:19 amSTT - SEA

3 stops32h 39mMultiple Airlines

Deal found 6/25

$615

mar. 8/199:14 pmSEA - STT

2 stops13h 14mJetBlue

vie. 8/227:49 amSTT - SEA

2 stops17h 10mJetBlue

Deal found 6/24

$1,041

lun. 6/3010:58 pmSEA - STT

1 stop10h 16mDelta

mar. 7/83:02 pmSTT - SEA

1 stop10h 59mDelta

Deal found 6/24

$1,134

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 junio 26, 2025.

lun. 7/143:10 pmPDX - STT

2 stops18h 20mSpirit Airlines

jue. 7/171:25 pmSTT - PDX

2 stops22h 53mSpirit Airlines

Deal found 6/23

$385

jue. 9/49:28 amPDX - STT

3 stops24h 24mMultiple Airlines

mié. 9/101:47 pmSTT - PDX

3 stops26h 43mMultiple Airlines

Deal found 6/23

$471

vie. 8/155:10 pmSEA - STT

2 stops16h 09mUnited Airlines

sáb. 8/3012:10 pmSTT - SEA

2 stops13h 49mUnited Airlines

Deal found 6/23

$473

vie. 8/158:08 pmSEA - STT

1 stop12h 45mAmerican Airlines

sáb. 8/3012:44 pmSTT - SEA

1 stop14h 30mAmerican Airlines

Deal found 6/23

$476

dom. 11/23:15 pmPDX - STT

2 stops19h 17mDelta

mié. 11/123:32 pmSTT - PDX

1 stop11h 00mDelta

Deal found 6/24

$594

dom. 7/275:30 pmSEA - STT

2 stops16h 00mSpirit Airlines

sáb. 8/24:05 pmSTT - SEA

2 stops27h 20mSpirit Airlines

Deal found 6/24

$451

mar. 8/199:14 pmSEA - STT

2 stops13h 14mJetBlue

vie. 8/2210:55 amSTT - SEA

2 stops14h 04mJetBlue

Deal found 6/22

$966

sáb. 8/162:05 pmPDX - STT

2 stops19h 45mAmerican Airlines

sáb. 8/231:50 pmSTT - PDX

2 stops12h 09mAmerican Airlines

Deal found 6/25

$559

vie. 8/1511:59 pmSEA - STT

3 stops34h 49mMultiple Airlines

sáb. 8/302:43 pmSTT - SEA

3 stops29h 15mMultiple Airlines

Deal found 6/23

$579

mié. 12/103:41 pmPDX - STT

2 stops17h 31mUnited Airlines

mié. 12/171:02 pmSTT - PDX

2 stops13h 11mUnited Airlines

Deal found 6/24

$592

mié. 7/3010:30 pmSEA - STT

1 stop13h 30mDelta

sáb. 8/163:21 pmSTT - SEA

1 stop11h 38mDelta

Deal found 6/22

$676

Last-minute flights from Washington to Saint Thomas Island
Discover last-minute flight deals from Washington to Saint Thomas Island. Data last updated junio 26, 2025 and is based on user searches.

vie. 6/2711:59 pmPDX - STT

1 stop11h 55mUnited Airlines

dom. 6/294:45 pmSTT - PDX

2 stops22h 47mUnited Airlines

Deal found 6/23

$2,380

lun. 6/3010:58 pmSEA - STT

1 stop10h 16mDelta

mar. 7/83:02 pmSTT - SEA

1 stop10h 59mDelta

Deal found 6/24

$1,134

mar. 7/18:57 amSEA - STT

2 stops24h 20mUnited Airlines

lun. 7/74:45 pmSTT - SEA

3 stops31h 11mUnited Airlines

Deal found 6/25

$1,415

mié. 7/210:58 pmSEA - STT

1 stop10h 16mDelta

mar. 7/83:02 pmSTT - SEA

1 stop10h 59mDelta

Deal found 6/25

$1,134

jue. 7/33:58 pmSEA - STT

2 stops14h 50mSpirit Airlines

mié. 7/94:05 pmSTT - SEA

2 stops27h 20mSpirit Airlines

Deal found 6/24

$627

jue. 7/311:59 pmSEA - STT

3 stops30h 49mMultiple Airlines

mié. 7/94:05 pmSTT - SEA

3 stops27h 20mMultiple Airlines

Deal found 6/24

$772

jue. 7/39:50 pmSEA - STT

1 stop9h 59mAmerican Airlines

mié. 7/91:53 pmSTT - SEA

1 stop13h 04mAmerican Airlines

Deal found 6/24

$962

jue. 7/1011:59 pmSEA - STT

3 stops30h 49mMultiple Airlines

lun. 7/1410:43 amSTT - SEA

3 stops32h 42mMultiple Airlines

Deal found 6/25

$631

jue. 7/1011:59 pmPDX - STT

3 stops30h 49mMultiple Airlines

lun. 7/1410:43 amSTT - PDX

3 stops25h 35mMultiple Airlines

Deal found 6/25

$634

jue. 7/105:14 pmSEA - STT

2 stops16h 03mUnited Airlines

lun. 7/144:45 pmSTT - SEA

1 stop11h 11mUnited Airlines

Deal found 6/25

$831

lun. 7/143:10 pmPDX - STT

2 stops18h 20mSpirit Airlines

jue. 7/171:25 pmSTT - PDX

2 stops22h 53mSpirit Airlines

Deal found 6/23

$385

lun. 7/2112:40 amPDX - STT

2 stops11h 20mDelta

mar. 7/291:27 pmSTT - PDX

2 stops13h 08mDelta

Deal found 6/22

$1,013

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 junio 26, 2025.

mié. 7/235:30 pmSEA - STT

2 stops13h 18mSpirit Airlines

Deal found 6/24

$195

mié. 7/238:16 pmSEA - STT

1 stop16h 39mAmerican Airlines

Deal found 6/24

$235

mar. 7/2212:20 amSEA - STT

2 stops32h 57mUnited Airlines

Deal found 6/24

$463

mar. 7/2212:25 amSEA - STT

1 stop11h 36mMultiple Airlines

Deal found 6/24

$6,918

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

lun. 7/14

3:10 pm-12:30 pm

2 stops18h 20m

Saint Thomas Island Cyril E King

jue. 7/17

1:25 pm-9:18 am

2 stops22h 53m

$385

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

dom. 7/27

5:30 pm-12:30 pm

2 stops16h 00m

Saint Thomas Island Cyril E King

sáb. 8/2

4:05 pm-4:25 pm

2 stops27h 20m

$451

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

jue. 9/4

9:28 am-12:52 pm

3 stops24h 24m

Saint Thomas Island Cyril E King

mié. 9/10

1:47 pm-1:30 pm

3 stops26h 43m

$471

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

vie. 8/15

5:10 pm-12:19 pm

2 stops16h 09m

Saint Thomas Island Cyril E King

sáb. 8/30

12:10 pm-10:59 pm

2 stops13h 49m

$473

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mié. 10/22

11:07 pm-2:45 pm

1 stop12h 38m

Saint Thomas Island Cyril E King

dom. 11/2

4:45 pm-11:20 pm

1 stop10h 35m

$518

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

jue. 8/28

10:05 pm-2:10 pm

1 stop13h 05m

Saint Thomas Island Cyril E King

dom. 9/7

3:23 pm-10:12 pm

1 stop9h 49m

$559

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mié. 8/27

6:34 pm-10:14 am

3 stops36h 40m

Saint Thomas Island Cyril E King

sáb. 8/30

11:19 am-4:58 pm

3 stops32h 39m

$615

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

mar. 7/22

9:50 pm-10:45 am

1 stop9h 55m

Saint Thomas Island Cyril E King

mar. 7/29

11:25 am-8:47 pm

1 stop12h 22m

$635

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

dom. 8/3

11:59 pm-3:43 pm

1 stop12h 44m

Saint Thomas Island Cyril E King

sáb. 8/9

4:45 pm-9:32 am

2 stops19h 47m

$928

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

mar. 8/19

9:14 pm-1:28 pm

2 stops13h 14m

Saint Thomas Island Cyril E King

vie. 8/22

7:49 am-9:59 pm

2 stops17h 10m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 16 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 $648). 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

Read through reviews of airlines operating flights from Washington to Saint Thomas Island, such as Delta, United Airlines, and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,965 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

7,965 reviews

Delta

8.0

Very good

7,965 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

8,840 reviews

Delta

8.0

Very good

7,965 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!

JetBlue

7.3

Good

2,921 reviews

Delta

8.0

Very good

7,965 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

7,965 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

8,083 reviews

Delta

8.0

Very good

7,965 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 $195. However, be on the lookout for offers from American Airlines 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 $648). 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$310	Average$666	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$443	Average$686	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$495	Average$694	FlexibilityNo cancel fee	On-time69%

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$195+ 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 7/23. 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 junio 26, 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 junio 26, 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 junio 26, 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 junio 26, 2025.

Reviews of airlines servicing Saint Thomas Island

Read through reviews of airlines operating flights from Washington to Saint Thomas Island, such as Delta, United Airlines, and JetBlue. You can also see how each airline stacks up 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 junio 26, 2025.