SEA

$94 Find Cheap Flights from Missouri to Seattle - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Seattle

Sun, Sep 27 - Mon, Oct 5
Southwest Logo
5:35 am - 2:00 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
10h 25m2 stops Las Vegas Harry Reid Intl Long Beach Municipal
Southwest Logo
8:40 pm - 11:40 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
13h 00m1 stop Las Vegas Harry Reid Intl
$324Southwest
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
8:10 pm - 3:08 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
20h 58m1 stop Denver Intl
Multiple Airlines Logo
9:40 am - 3:44 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
4h 04mnonstop
$328Multiple Airlines
Sun, Sep 6 - Sun, Sep 20
Frontier Logo
7:58 pm - 9:19 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
15h 21m1 stop Denver Intl
Frontier Logo
8:15 pm - 7:17 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
21h 02m2 stops Los Angeles Denver Intl
$331Frontier
Wed, Sep 2 - Wed, Sep 9
Frontier Logo
6:45 pm - 10:39 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
17h 54m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:45 pm - 1:10 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
37h 25m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$331Frontier
Wed, Oct 14 - Sat, Oct 17
United Airlines Logo
8:00 am - 8:37 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
14h 37m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
5:00 am - 12:40 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
5h 40m1 stop Denver Intl
$332United Airlines
Wed, Sep 23 - Mon, Sep 28
United Airlines Logo
8:00 am - 7:08 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
13h 08m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
11:59 pm - 10:10 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 11m1 stop Houston George Bush Intcntl
$332United Airlines
Tue, Sep 1 - Wed, Sep 30
Delta Logo
3:50 pm - 10:00 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
8h 10m1 stop Minneapolis St Paul
Delta Logo
11:59 pm - 8:40 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 41m1 stop Minneapolis St Paul
$332Delta
Wed, Sep 2 - Tue, Sep 8
Delta Logo
6:30 am - 2:34 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
10h 04m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:59 pm - 10:23 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 24m1 stop Minneapolis St Paul
$332Delta
Sat, Sep 26 - Mon, Oct 5
Southwest Logo
8:30 am - 3:55 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
9h 25m2 stops Omaha Eppley Airfield Las Vegas Harry Reid Intl
Southwest Logo
2:10 pm - 12:35 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 25m2 stops Denver Intl Dallas Love Field
$332Southwest
Wed, Oct 7 - Mon, Oct 12
Multiple Airlines Logo
4:42 pm - 7:10 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
4h 28mnonstop
Multiple Airlines Logo
9:16 pm - 1:17 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
26h 01m1 stop Las Vegas Harry Reid Intl
$332Multiple Airlines
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Good to know

Low season

January

Cheapest flight

$94
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 26% increase in price.
Flight from St. Louis to Seattle

FAQs for booking flights from Missouri to Seattle

  • How does KAYAK find such low prices on flights from Missouri to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lynnwood
Centralia
Fife
Lakewood
Westport
Mukilteo
Lacey
Woodinville
Poulsbo
Edmonds
Aberdeen
Shoreline
DuPont
Monroe
Castle Rock
Edgewood

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Seattle (SEA)