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$108 Find Cheap Flights from Missouri to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Seattle

Wed, Nov 25 - Wed, Dec 2
Frontier Logo
8:29 pm - 3:22 pmMCI  Kansas City-SEA Seattle/Tacoma Intl
20h 53m1 stop Denver Intl
Frontier Logo
4:58 pm - 7:33 pmSEA  Seattle/Tacoma Intl-MCI Kansas City
24h 35m1 stop Denver Intl
$238Frontier
Fri, Dec 4 - Fri, Dec 11
Frontier Logo
7:58 pm - 3:43 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
21h 45m1 stop Denver Intl
Frontier Logo
4:58 pm - 10:57 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
15h 59m1 stop Denver Intl
$242Frontier
Tue, Dec 8 - Wed, Dec 9
American Airlines Logo
7:55 am - 1:59 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
8h 04m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
3:28 pm - 12:02 amSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 34m1 stop Chicago O'Hare Intl
$247American Airlines
Sat, Dec 12 - Tue, Dec 15
American Airlines Logo
7:27 am - 3:58 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
10h 31m1 stop Chicago O'Hare Intl
American Airlines Logo
3:00 pm - 11:52 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 52m1 stop Phoenix Sky Harbor Intl
$247American Airlines
Sat, Dec 5 - Sat, Dec 12
Delta Logo
5:00 pm - 10:47 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 47m1 stop Salt Lake City
Delta Logo
1:45 pm - 11:26 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
7h 41m1 stop Minneapolis St Paul
$247Delta
Wed, Jan 13 - Sat, Jan 16
Delta Logo
3:26 pm - 8:50 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 24m1 stop Minneapolis St Paul
Delta Logo
1:31 pm - 9:42 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 11m1 stop Salt Lake City
$247Delta
Wed, Feb 24 - Wed, Mar 3
United Airlines Logo
6:15 am - 12:08 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 am - 4:19 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
7h 19m1 stop Chicago O'Hare Intl
$247United Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
8:40 am - 4:23 pmSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
9h 43m2 stops Denver Intl San Francisco
United Airlines Logo
7:00 am - 4:24 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
7h 24m1 stop Chicago O'Hare Intl
$252United Airlines
Sun, Dec 6 - Sat, Dec 12
Southwest Logo
7:15 pm - 12:35 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
7h 20m1 stop Chicago Midway
Southwest Logo
11:45 am - 8:00 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
6h 15m1 stop Dallas Love Field
$252Southwest
Mon, Dec 21 - Thu, Dec 31
Southwest Logo
5:40 pm - 1:45 amSTL  Lambert-St Louis-SEA Seattle/Tacoma Intl
10h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
6:30 am - 5:10 pmSEA  Seattle/Tacoma Intl-STL Lambert-St Louis
8h 40m1 stop Chicago Midway
$267Southwest
Useful Info

Good to know

Low season

January

Cheapest flight

$108
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 20% 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
Lacey
Mukilteo
Woodinville
Poulsbo
Edmonds
Aberdeen
DuPont
Shoreline
Monroe
Castle Rock
Edgewood

More options for your flight to Seattle