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 $284. 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 $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 $735 per person but you can even find prices for as low as $327. The most expensive prices can be found in the month of December. Opting for a September flight can save you 44% 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.

$284+ Flights from Washington to Saint Thomas Island

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Cheap flight deals from Washington to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$299 (Mytrip)
One-way from	$284 (Booking.com)
Popular in	December
Cheapest in	September
Average price	$789

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. 9% potential increase in price ($72 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($31 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 2, 2025.

Sat 4/267:01 pmPDX - STT

2 stops11h 59mSpirit Airlines

Tue 4/2911:05 amSTT - PDX

3 stops29h 32mSpirit Airlines

Deal found 4/2

$299

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Mon 5/122:41 pmSTT - SEA

2 stops36h 29mSpirit Airlines

Deal found 4/1

$421

Sun 8/3110:32 pmSEA - STT

1 stop11h 08mAmerican Airlines

Mon 9/85:20 pmSTT - SEA

2 stops20h 24mAmerican Airlines

Deal found 4/1

$443

Thu 5/2910:41 amPDX - STT

3 stops44h 16mMultiple Airlines

Mon 6/210:52 amSTT - PDX

2 stops28h 50mMultiple Airlines

Deal found 4/1

$472

Sat 4/2610:34 pmPDX - STT

1 stop15h 25mAmerican Airlines

Tue 4/294:50 pmSTT - PDX

2 stops20h 48mAmerican Airlines

Deal found 4/2

$499

Tue 4/1512:30 pmSEA - STT

3 stops42h 30mMultiple Airlines

Sat 4/191:49 pmSTT - SEA

3 stops30h 36mMultiple Airlines

Deal found 4/1

$544

Wed 10/295:00 pmSEA - STT

2 stops16h 11mUnited Airlines

Wed 11/51:05 pmSTT - SEA

2 stops13h 54mUnited Airlines

Deal found 3/31

$575

Sat 4/2611:19 pmPDX - STT

1 stop12h 46mDelta

Wed 5/141:17 pmSTT - PDX

1 stop11h 27mDelta

Deal found 4/2

$645

Sat 12/137:30 pmPDX - STT

2 stops14h 45mUnited Airlines

Thu 12/251:05 pmSTT - PDX

2 stops14h 14mUnited Airlines

Deal found 3/31

$659

Sun 5/189:45 pmSEA - STT

1 stop11h 22mDelta

Mon 5/262:51 pmSTT - SEA

1 stop10h 09mDelta

Deal found 4/1

$966

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 2, 2025.

Sat 4/267:01 pmPDX - STT

2 stops11h 59mSpirit Airlines

Tue 4/2911:05 amSTT - PDX

3 stops29h 32mSpirit Airlines

Deal found 4/2

$299

Fri 4/2512:59 amSEA - STT

2 stops13h 00mAmerican Airlines

Wed 5/145:10 pmSTT - SEA

2 stops19h 13mAmerican Airlines

Deal found 4/1

$443

Thu 5/2910:41 amPDX - STT

3 stops44h 16mMultiple Airlines

Mon 6/210:52 amSTT - PDX

2 stops28h 50mMultiple Airlines

Deal found 4/1

$472

Wed 5/282:50 pmSEA - STT

2 stops18h 27mUnited Airlines

Wed 6/44:45 pmSTT - SEA

1 stop11h 14mUnited Airlines

Deal found 3/31

$575

Sat 4/2611:19 pmPDX - STT

1 stop12h 46mDelta

Wed 5/141:17 pmSTT - PDX

1 stop11h 27mDelta

Deal found 4/2

$645

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Mon 5/122:41 pmSTT - SEA

2 stops36h 29mSpirit Airlines

Deal found 4/1

$421

Sat 4/2610:34 pmPDX - STT

1 stop15h 25mAmerican Airlines

Tue 4/294:50 pmSTT - PDX

2 stops20h 48mAmerican Airlines

Deal found 4/2

$499

Thu 5/89:45 pmSEA - STT

1 stop11h 22mDelta

Tue 5/272:51 pmSTT - SEA

1 stop10h 09mDelta

Deal found 3/31

$701

Wed 8/611:30 pmPDX - STT

1 stop9h 47mUnited Airlines

Wed 8/134:45 pmSTT - PDX

2 stops21h 58mUnited Airlines

Deal found 4/1

$723

Sat 5/243:20 pmSEA - STT

3 stops39h 37mMultiple Airlines

Sat 5/313:49 pmSTT - SEA

3 stops33h 56mMultiple Airlines

Deal found 3/30

$751

Last-minute flights from Washington to Saint Thomas Island
Discover last-minute flight deals from Washington to Saint Thomas Island. Data last updated April 2, 2025 and is based on user searches.

Sun 4/65:10 pmSEA - STT

2 stops17h 34mDelta

Sat 4/1212:22 pmSTT - SEA

1 stop13h 12mDelta

Deal found 4/1

$1,224

Sun 4/65:05 pmSEA - STT

2 stops16h 56mUnited Airlines

Sat 4/129:10 amSTT - SEA

2 stops16h 09mUnited Airlines

Deal found 4/1

$1,258

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Mon 5/122:41 pmSTT - SEA

2 stops36h 29mSpirit Airlines

Deal found 4/1

$421

Tue 4/1512:30 pmSEA - STT

3 stops42h 30mMultiple Airlines

Sat 4/191:49 pmSTT - SEA

3 stops30h 36mMultiple Airlines

Deal found 4/1

$544

Tue 4/1511:45 pmSEA - STT

2 stops12h 58mUnited Airlines

Thu 6/194:45 pmSTT - SEA

1 stop11h 14mUnited Airlines

Deal found 4/1

$820

Fri 4/2512:59 amSEA - STT

2 stops13h 00mAmerican Airlines

Wed 5/145:10 pmSTT - SEA

2 stops19h 13mAmerican Airlines

Deal found 4/1

$443

Sat 4/267:01 pmPDX - STT

2 stops11h 59mSpirit Airlines

Tue 4/2911:05 amSTT - PDX

3 stops29h 32mSpirit Airlines

Deal found 4/2

$299

Sat 4/2610:34 pmPDX - STT

1 stop15h 25mAmerican Airlines

Tue 4/294:50 pmSTT - PDX

2 stops20h 48mAmerican Airlines

Deal found 4/2

$499

Sat 4/2611:19 pmPDX - STT

1 stop12h 46mDelta

Wed 5/141:17 pmSTT - PDX

1 stop11h 27mDelta

Deal found 4/2

$645

Sat 4/262:25 pmPDX - STT

3 stops22h 18mUnited Airlines

Wed 5/144:45 pmSTT - PDX

2 stops19h 42mUnited Airlines

Deal found 4/2

$889

Sun 5/189:45 pmSEA - STT

1 stop11h 22mDelta

Mon 5/262:51 pmSTT - SEA

1 stop10h 09mDelta

Deal found 4/1

$966

Thu 5/2910:41 amPDX - STT

3 stops44h 16mMultiple Airlines

Mon 6/210:52 amSTT - PDX

2 stops28h 50mMultiple Airlines

Deal found 4/1

$472

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 2, 2025.

Wed 4/1612:30 pmSEA - STT

2 stops20h 44mSpirit Airlines

Deal found 4/1

$284

Wed 4/1610:10 pmSEA - STT

1 stop15h 49mAmerican Airlines

Deal found 4/1

$334

Wed 6/185:36 pmPDX - STT

2 stops14h 13mAmerican Airlines

Deal found 4/1

$408

Wed 6/189:54 amPDX - STT

3 stops26h 49mUnited Airlines

Deal found 4/1

$671

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

Sat 4/26

7:01 pm-10:00 am

2 stops11h 59m

Saint Thomas Island Cyril E King

Tue 4/29

11:05 am-1:37 pm

3 stops29h 32m

$299

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Mon 4/14

8:56 pm-10:00 am

2 stops34h 04m

Saint Thomas Island Cyril E King

Mon 5/12

2:41 pm-12:10 am

2 stops36h 29m

$421

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 8/31

10:32 pm-12:40 pm

1 stop11h 08m

Saint Thomas Island Cyril E King

Mon 9/8

1:50 pm-12:33 am

1 stop13h 43m

$443

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 5/29

10:41 am-9:57 am

3 stops44h 16m

Saint Thomas Island Cyril E King

Mon 6/2

10:52 am-12:42 pm

2 stops28h 50m

$472

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 4/26

10:34 pm-4:59 pm

1 stop15h 25m

Saint Thomas Island Cyril E King

Tue 4/29

4:50 pm-10:38 am

2 stops20h 48m

$499

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 4/15

12:30 pm-10:00 am

3 stops42h 30m

Saint Thomas Island Cyril E King

Sat 4/19

1:49 pm-5:25 pm

3 stops30h 36m

$544

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 4/26

11:19 pm-3:05 pm

1 stop12h 46m

Saint Thomas Island Cyril E King

Wed 5/14

1:17 pm-9:44 pm

1 stop11h 27m

$645

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 8/6

11:30 pm-12:17 pm

1 stop9h 47m

Saint Thomas Island Cyril E King

Wed 8/13

4:45 pm-11:43 am

2 stops21h 58m

$723

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Tue 4/15

11:45 pm-3:43 pm

2 stops12h 58m

Saint Thomas Island Cyril E King

Thu 6/19

4:45 pm-12:59 am

1 stop11h 14m

$820

SeattleSaint Thomas Island

SEA - STT

SEASTT

Seattle/Tacoma Intl

Sun 5/18

9:45 pm-12:07 pm

1 stop11h 22m

Saint Thomas Island Cyril E King

Mon 5/26

2:51 pm-10:00 pm

1 stop10h 09m

$966

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 14 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

7,898 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

7,898 reviews

Delta

8.0

Very good

7,898 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

8,616 reviews

Delta

8.0

Very good

7,898 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

7,898 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

7,886 reviews

Delta

8.0

Very good

7,898 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 $284. 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 $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$496	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$426	Average$748	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$493	Average$710	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$539	Average$735	FlexibilityNo cancel fee	On-time69%

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$284+ 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 4/16. 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 2, 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 2, 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 2, 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 2, 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 2, 2025.