SEA

$74 Find Cheap Flights from Missouri to Seattle

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 9/19. 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

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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

Thu, Sep 4 - Sat, Sep 13
Logo
3:01 pm - 12:30 amMCI-SEA
11h 29m1 stop
Logo
9:39 pm - 3:10 pmSEA-MCI
15h 31m1 stop
$224
Find Deal
Fri, Sep 5 - Wed, Sep 10
Logo
3:01 pm - 12:30 amMCI-SEA
11h 29m1 stop
Logo
3:40 pm - 9:12 pmSEA-MCI
3h 32mnonstop
$226
Find Deal
Sun, Aug 31 - Fri, Sep 12
Delta Logo
6:00 am - 10:45 amSTL-SEA
6h 45m1 stop
Delta Logo
11:40 pm - 8:37 amSEA-STL
6h 57m1 stop
$229Delta
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
8:28 pm - 8:18 amMCI-SEA
13h 50m2 stops
Frontier Logo
2:22 pm - 10:17 amSEA-MCI
17h 55m2 stops
$231Frontier
Find Deal
Sun, Sep 14 - Sun, Sep 21
Frontier Logo
2:38 pm - 3:41 pmSTL-SEA
27h 03m1 stop
Frontier Logo
6:12 am - 9:06 amSEA-STL
24h 54m1 stop
$231Frontier
Find Deal
Wed, Sep 24 - Wed, Oct 1
Southwest Logo
4:50 pm - 11:10 pmSTL-SEA
8h 20m1 stop
Southwest Logo
8:25 am - 5:45 pmSEA-STL
7h 20m2 stops
$232Southwest
Find Deal
Sat, Nov 8 - Sun, Nov 9
American Airlines Logo
5:17 am - 1:10 pmSTL-SEA
9h 53m1 stop
American Airlines Logo
12:59 am - 10:37 amSEA-STL
7h 38m1 stop
$243American Airlines
Find Deal
Sun, Sep 21 - Tue, Sep 23
Southwest Logo
7:15 pm - 12:50 amSTL-SEA
7h 35m1 stop
Southwest Logo
6:45 am - 5:40 pmSEA-STL
8h 55m2 stops
$248Southwest
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
3:30 pm - 8:16 pmSTL-SEA
6h 46m1 stop
Delta Logo
7:25 am - 11:09 pmSEA-STL
13h 44m2 stops
$251Delta
Find Deal
Sat, Sep 6 - Sat, Sep 13
American Airlines Logo
6:20 am - 2:49 pmSTL-SEA
10h 29m1 stop
American Airlines Logo
6:11 am - 6:00 pmSEA-STL
9h 49m1 stop
$252American Airlines
Find Deal
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$74
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 16% 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
Westport
Lacey
Lakewood
Mukilteo
Edmonds
Aberdeen
Woodinville
Poulsbo
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)

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