Question 1

How long does it take to travel from St. Louis to Seattle?

Accepted Answer

A one-way nonstop (direct) flight between St. Louis and Seattle takes around 4.4 hours.

Question 2

What is the flight distance between St. Louis and Seattle?

Accepted Answer

The flight distance between St. Louis and Seattle is 2747 km.

Question 3

What airlines offer nonstop (direct) flights between St. Louis and Seattle?

Accepted Answer

Several carriers operate flights between St. Louis and Seattle. Airlines offering nonstop (direct) flights include Alaska Airlines.

Question 4

What are the most popular routes to and from St. Louis?

Accepted Answer

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.

Question 5

What are the most popular routes to and from Seattle?

Accepted Answer

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.

Question 6

What airports are near St. Louis?

Accepted Answer

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Abraham Lincoln Capital, MidAmerica St. Louis, Evansville Regional, General Wayne A. Downing Peoria International, Central Illinois Regional, Williamson County Regional, Quincy Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional.

Question 7

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial.

Question 8

Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Seattle?

Accepted Answer

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.

Question 9

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 10

Which airlines fly between St. Louis and Seattle?

Accepted Answer

Currently, you can fly between St. Louis and Seattle with United Airlines, Alaska Airlines.

Question 11

When's the best time to travel between St. Louis and Seattle?

Accepted Answer

If you don’t have specific dates for your trip between St. Louis and Seattle, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 12

What flights operate between St. Louis and Seattle?

Accepted Answer

Traveling between St. Louis and Seattle, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 13

How many airports are there near St. Louis?

Accepted Answer

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, Abraham Lincoln Capital, MidAmerica St. Louis, Evansville Regional, General Wayne A. Downing Peoria International, Central Illinois Regional, Williamson County Regional, Quincy Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional

Question 14

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Abbotsford International, Bellingham International, Paine Field Everett, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Yakima Air Terminal, Pangborn Memorial.

Question 15

What time do nonstop (direct) flights between St. Louis and Seattle depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do nonstop (direct) flights between St. Louis and Seattle arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 17

What time do flights between St. Louis and Seattle depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from St. Louis, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 18

What time do flights between St. Louis and Seattle arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Seattle, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	$111
Cheapest round-trip	$215
Average round-trip	$369
Nonstop flights in July	$221 – $692
Most popular airline	United Airlines

Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
United Airlines	UAL	UA	Yes	No
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight

Month	Average monthly max temperature	Average monthly min temperature
January	7°C	2°C
February	8°C	1°C
March	10°C	3°C
April	13°C	4°C
May	18°C	8°C
June	21°C	10°C
July	25°C	13°C
August	26°C	14°C
September	22°C	11°C
October	15°C	7°C
November	10°C	4°C
December	6°C	1°C

Cheap flights from St. Louis, MO to Seattle, WA

Tips to know when travelling to Seattle

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Nonstop flights in July

Most popular airline

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Round trips

Weekly direct flights

Weekly direct flights for Sun 21.07 - Sat 27.07

Weekly direct flights for Sun 28.07 - Sat 03.08

Weekly direct flights for Sun 04.08 - Sat 10.08

Weekly direct flights for Sun 11.08 - Sat 17.08

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

Weather in Seattle

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Flights from St. Louis

Flights to Seattle

The nearest countries with flights to Seattle

Other destination countries from St. Louis

Airports near St. Louis

Airports near Seattle

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Features

Discover