What are the cheapest airlines flying from Saint Thomas Island to Seattle round-trip?

According to our current data, Spirit Airlines ($442), American Airlines ($561), and United Airlines ($803) offers the cheapest pricing from Saint Thomas Island to Seattle.

What are the cheapest airlines to fly from Saint Thomas Island to Seattle one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $330. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Saint Thomas Island to Seattle for a low price.

What is the cheapest month to book a flight from Saint Thomas Island to Seattle?

Currently, January is the cheapest month in which you can book a flight from Saint Thomas Island to Seattle (average of $238). Flying from Saint Thomas Island to Seattle in July is currently the most expensive (average of $411). 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 day to fly from Saint Thomas Island to Seattle?

Travelers seeking maximum savings on their Saint Thomas Island to Seattle flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Saint Thomas Island to Seattle?

Travelers have found that booking a Thursday departure is the best way to save up to 63% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Most accurate provider : When it comes to deals on Saint Thomas Island-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint Thomas Island-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Saint Thomas Island-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint Thomas Island-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Yes. In addition to deals on Saint Thomas Island to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

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

$330+ Flights from Saint Thomas Island to Seattle

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Cheap flight deals from Saint Thomas Island to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$442 (Mytrip)
One-way from	$330 (Mytrip)

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

Search Deals

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

Search Deals

From Saint Thomas Island Cyril E King to Seattle/Tacoma Intl

Search Deals

One-way flight from Saint Thomas Island Cyril E King to Seattle/Tacoma Intl

Search Deals

Find flight deals from Saint Thomas Island to Seattle

Cheapest flights from Saint Thomas Island to Seattle
Explore the most affordable flight options available from Saint Thomas Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Thu 4/1011:05 amSTT - SEA

2 stops27h 30mSpirit Airlines

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Deal found 3/26

$442

Wed 5/283:40 pmSTT - SEA

1 stop10h 27mAmerican Airlines

Sat 6/78:01 pmSEA - STT

1 stop16h 59mAmerican Airlines

Deal found 3/26

$561

Tue 5/65:40 pmSTT - SEA

3 stops33h 30mMultiple Airlines

Sun 5/113:20 pmSEA - STT

3 stops43h 16mMultiple Airlines

Deal found 3/26

$575

Thu 4/33:00 pmSTT - SEA

1 stop11h 55mDelta

Tue 4/85:10 pmSEA - STT

2 stops17h 34mDelta

Deal found 3/26

$671

Tue 5/274:45 pmSTT - SEA

1 stop11h 14mUnited Airlines

Fri 6/611:37 pmSEA - STT

1 stop10h 31mUnited Airlines

Deal found 3/26

$803

Best flights from Saint Thomas Island to Seattle
Discover carefully curated flight deals from Saint Thomas Island to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Thu 4/1011:05 amSTT - SEA

2 stops27h 30mSpirit Airlines

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Deal found 3/26

$442

Wed 5/283:40 pmSTT - SEA

1 stop10h 27mAmerican Airlines

Sat 6/78:01 pmSEA - STT

1 stop16h 59mAmerican Airlines

Deal found 3/26

$561

Tue 5/65:40 pmSTT - SEA

3 stops33h 30mMultiple Airlines

Sun 5/113:20 pmSEA - STT

3 stops43h 16mMultiple Airlines

Deal found 3/26

$575

Tue 5/274:45 pmSTT - SEA

1 stop11h 14mUnited Airlines

Fri 6/611:37 pmSEA - STT

1 stop10h 31mUnited Airlines

Deal found 3/26

$803

Fri 4/113:00 pmSTT - SEA

1 stop11h 53mDelta

Tue 4/1510:59 pmSEA - STT

1 stop10h 44mDelta

Deal found 3/27

$1,114

Last-minute flights from Saint Thomas Island to Seattle
Discover last-minute flight deals from Saint Thomas Island to Seattle. Data last updated March 28, 2025 and is based on user searches.

Thu 4/311:11 amSTT - SEA

2 stops24h 32mSpirit Airlines

Tue 4/88:04 pmSEA - STT

3 stops34h 56mSpirit Airlines

Deal found 3/26

$583

Thu 4/33:00 pmSTT - SEA

1 stop11h 55mDelta

Tue 4/85:10 pmSEA - STT

2 stops17h 34mDelta

Deal found 3/26

$671

Thu 4/1011:05 amSTT - SEA

2 stops27h 30mSpirit Airlines

Mon 4/148:56 pmSEA - STT

2 stops34h 04mSpirit Airlines

Deal found 3/26

$442

Thu 4/1012:55 pmSTT - SEA

1 stop13h 44mAmerican Airlines

Sun 4/1312:59 amSEA - STT

2 stops11h 27mAmerican Airlines

Deal found 3/26

$775

Fri 4/114:45 pmSTT - SEA

3 stops22h 04mUnited Airlines

Tue 4/1511:45 pmSEA - STT

2 stops12h 58mUnited Airlines

Deal found 3/27

$1,135

One-way flights from Saint Thomas Island to Seattle
Search for one-way flight options from Saint Thomas Island to Seattle. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Wed 5/72:41 pmSTT - SEA

2 stops26h 44mSpirit Airlines

Deal found 3/26

$330

Wed 4/95:50 pmSTT - SEA

2 stops20h 10mAmerican Airlines

Deal found 3/27

$338

Wed 5/78:39 amSTT - SEA

3 stops18h 31mMultiple Airlines

Deal found 3/26

$353

Tue 7/294:45 pmSTT - SEA

3 stops33h 14mUnited Airlines

Deal found 3/25

$750

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Thu 4/10

11:05 am-11:35 am

2 stops27h 30m

Seattle/Tacoma Intl

Mon 4/14

8:56 pm-10:00 am

2 stops34h 04m

$442

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Wed 5/28

3:40 pm-11:07 pm

1 stop10h 27m

Seattle/Tacoma Intl

Sat 6/7

8:01 pm-4:00 pm

1 stop16h 59m

$561

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 5/6

5:40 pm-12:10 am

3 stops33h 30m

Seattle/Tacoma Intl

Sun 5/11

3:20 pm-1:36 pm

3 stops43h 16m

$575

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 5/27

4:45 pm-12:59 am

1 stop11h 14m

Seattle/Tacoma Intl

Fri 6/6

11:37 pm-1:08 pm

1 stop10h 31m

$803

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Fri 4/11

3:00 pm-11:53 pm

1 stop11h 53m

Seattle/Tacoma Intl

Tue 4/15

10:59 pm-12:43 pm

1 stop10h 44m

$1,114

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Wed 5/7

2:41 pm-2:25 pm

2 stops26h 44m

$330

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Wed 4/9

5:50 pm-11:00 am

2 stops20h 10m

$338

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Wed 5/7

8:39 am-12:10 am

3 stops18h 31m

$353

Saint Thomas IslandSeattle

STT - SEA

STTSEA

Saint Thomas Island Cyril E King

Tue 7/29

4:45 pm-10:59 pm

3 stops33h 14m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Saint Thomas Island to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Saint Thomas Island to Seattle in March.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Saint Thomas Island-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint Thomas Island-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint Thomas Island-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Saint Thomas Island-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint Thomas Island-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from Saint Thomas Island 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 Saint Thomas Island to Seattle

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

It’s typically best to fly out from Saint Thomas Island to Seattle at noon. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Saint Thomas Island to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Spirit Airlines

6.3

Okay

7,882 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Saint Thomas Island to Seattle round-trip?
According to our current data, Spirit Airlines ($442), American Airlines ($561), and United Airlines ($803) offers the cheapest pricing from Saint Thomas Island to Seattle.
What are the cheapest airlines to fly from Saint Thomas Island to Seattle one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $330. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Saint Thomas Island to Seattle for a low price.
Can I find deals for flights from Saint Thomas Island to Seattle that include hotel bookings?
Yes. In addition to deals on Saint Thomas Island to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Saint Thomas Island to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Thomas Island to Seattle.
Can I find deals for business class flights from Saint Thomas Island to Seattle?
Yes. Cheapflights offers flight deals from Saint Thomas Island to Seattle 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 Saint Thomas Island to Seattle?
Currently, January is the cheapest month in which you can book a flight from Saint Thomas Island to Seattle (average of $238). Flying from Saint Thomas Island to Seattle in July is currently the most expensive (average of $411). 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

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Other flights to Seattle

Top 2 airlines flying from Saint Thomas Island to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$262	Average$748	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$552	Average$714	FlexibilityNo cancel fee	On-time71%

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$330+ Cheap flights from Saint Thomas Island (STT) to Seattle (SEA)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint Thomas Island to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Saint Thomas Island to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Saint Thomas Island to Seattle

Cheapest flights from Saint Thomas Island to SeattleExplore the most affordable flight options available from Saint Thomas Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Saint Thomas Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Saint Thomas Island to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Saint Thomas Island to Seattle in March.

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

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

Cheapflights Insights

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

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

Find hourly flight availability from Saint Thomas Island to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Saint Thomas Island to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Saint Thomas Island to Seattle round-trip?

What are the cheapest airlines to fly from Saint Thomas Island to Seattle one-way?

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

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

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

What is the cheapest month to book a flight from Saint Thomas Island to Seattle?

Traveling to a place near Saint Thomas Island?

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.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Top 2 airlines flying from Saint Thomas Island to Seattle

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Cheapest flights from Saint Thomas Island to Seattle
Explore the most affordable flight options available from Saint Thomas Island to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.