Cheap flights from St. Louis to Seattle

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Seattle travel tips

1) What are Chihuly Garden and Glass famous for?

Chihuly Garden and Glass are some of favourite attractions among visitors in Seattle. It’s dedicated to works of innovative glassblower Dale Chihuly, hailed from Tacoma. He created mind-blowing sculptures from glass. Besides eight galleries, visitors can observe one of his biggest works ever influenced by moving sunlight. Come and challenge your imagination!

2) Please, no heels, only comfy shoes are needed in Seattle

Though major tourist attractions in Seattle are within walking distance from each other, the city is quite hilly. Please, leave high heels at home and put on only comfortable flat shoes. In this case, you’ll be able to enjoy a walk fully.

3) What is Seattle Freeze?

The term Seattle Freeze means that locals are polite but not friendly. They aren’t welcoming guests of their city and aren’t eager to have small talk with everyone. They are known to be reserved, cold, and distrustful. Never mind, as any rule has an exception.

Travelers usually depart from St. Louis Lambert International, or St. Louis Union Station when they travel from St. Louis to Seattle. Book your trip to arrive at Seattle–Tacoma International, Seattle, WA - King Street Station, Seattle, WA - Greyhound Station, Seattle, WA - University of Washington, or Seattle, WA - Space Needle. The distance between St. Louis and Seattle is 2747 km. The most popular airlines for this route are United Airlines, Delta Air Lines, American Airlines, Alaska Airlines, and Spirit Airlines. St. Louis and Seattle have 334 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights1111-11
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Alaska Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from St. Louis to Seattle

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo
Alaska AirlinesASAASYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from St. Louis to Seattle?
A one-way nonstop (direct) flight between St. Louis and Seattle takes around 4.6 hours.
What is the flight distance between St. Louis and Seattle?
The flight distance between St. Louis and Seattle is 2747 km.
What airlines offer nonstop (direct) flights between St. Louis and Seattle?
Several carriers operate flights between St. Louis and Seattle. Airlines offering nonstop (direct) flights include Alaska Airlines.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and Las Vegas, Los Angeles, Denver, Orlando, Atlanta, Minneapolis, San Diego, San Francisco, London, Phoenix, Houston, Sacramento, New York, Cancún, Washington, D.C., Fort Lauderdale, Oakland, Tampa, Paris, Dallas.
What are the most popular routes to and from Seattle?
Travelers frequently search for route combinations, such as Seattle and Denver, Atlanta, Houston, Las Vegas, Austin, Orlando, Los Angeles, Salt Lake City, Mexico City, Paris, London, Washington, D.C., Detroit, New York, Minneapolis, Phoenix, Dallas, Raleigh, Charlotte, Cleveland.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Central Illinois Regional, General Wayne A. Downing Peoria International, MidAmerica St. Louis, Williamson County Regional, Evansville Regional, Quincy Regional, Abraham Lincoln Capital, Columbia Regional, Decatur.
What airports are near Seattle?
The main airport in Seattle is Seattle–Tacoma International. It is also served by Portland International, Vancouver International, Bellingham International, Yakima Air Terminal, Paine Field Everett, Pangborn Memorial, Abbotsford International, Victoria Inner Harbour SPB, Vancouver Harbour Flight Centre, Friday Harbor Airport.
What buses and trains depart from St. Louis?
A number of bus and train companies depart from St. Louis, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Seattle?
Yes, it's possible to combine different modes of transport between St. Louis and Seattle thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between St. Louis and Seattle can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
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How many airports are there near Seattle?
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What time do flights between St. Louis and Seattle depart?
What time do flights between St. Louis and Seattle arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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