SEA

$72 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 10/6. 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

Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
12:17 pm - 6:28 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
8h 11m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:03 pm - 11:59 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
3h 56mnonstop
$279Multiple Airlines
Mon, Aug 31 - Wed, Sep 30
Multiple Airlines Logo
7:36 pm - 9:59 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
4h 23mnonstop
Multiple Airlines Logo
9:45 pm - 11:17 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
11h 32m1 stop Las Vegas Harry Reid Intl
$284Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
8:00 am - 12:59 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
6h 59m1 stop Salt Lake City
Delta Logo
11:59 pm - 10:23 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 24m1 stop Minneapolis St Paul
$287Delta
Sat, Sep 5 - Tue, Sep 8
Delta Logo
5:00 pm - 10:05 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 05m1 stop Salt Lake City
Delta Logo
11:59 pm - 10:23 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 24m1 stop Minneapolis St Paul
$287Delta
Sat, Oct 10 - Sat, Oct 17
Southwest Logo
8:25 am - 8:00 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
13h 35m2 stops Omaha Eppley Airfield Phoenix Sky Harbor Intl
Southwest Logo
11:05 am - 10:50 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
9h 45m1 stop Las Vegas Harry Reid Intl
$287Southwest
Thu, Oct 22 - Sun, Oct 25
Frontier Logo
5:19 pm - 10:00 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
18h 41m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:16 pm - 1:17 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
26h 01m1 stop Las Vegas Harry Reid Intl
$292Frontier
Sat, Sep 19 - Tue, Sep 22
Southwest Logo
3:00 pm - 9:30 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
8h 30m2 stops Chicago Midway Denver Intl
Southwest Logo
11:00 pm - 7:50 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 50m1 stop Nashville Intl
$293Southwest
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 - 11:17 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
11h 32m1 stop Las Vegas Harry Reid Intl
$293Frontier
Fri, Oct 2 - Sat, Oct 10
American Airlines Logo
2:30 pm - 8:29 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 59m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
12:25 am - 9:20 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 55m1 stop Dallas/Fort Worth
$293American Airlines
Sat, Sep 19 - Mon, Sep 21
American Airlines Logo
6:29 am - 8:56 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
4h 27mnonstop
American Airlines Logo
11:57 pm - 10:18 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 21m1 stop Chicago O'Hare Intl
$300American Airlines
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Good to know

Low season

January

Cheapest flight

$72
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Kansas City 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
Lacey
Mukilteo
Woodinville
Poulsbo
Edmonds
Aberdeen
DuPont
Shoreline
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)