SEA

$82 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 9/29. 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, Oct 23 - Mon, Oct 27
Southwest Logo
5:15 am - 11:00 amSTL-SEA
7h 45m1 stop
Southwest Logo
9:35 am - 7:20 pmSEA-STL
7h 45m2 stops
$214Southwest
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Wed, Oct 15 - Wed, Oct 22
Multiple Airlines Logo
2:55 pm - 3:16 pmMCI-SEA
26h 21m1 stop
Multiple Airlines Logo
8:43 pm - 7:53 pmSEA-MCI
21h 10m1 stop
$217Multiple Airlines
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Mon, Oct 6 - Fri, Oct 10
Frontier Logo
7:55 pm - 12:07 pmSTL-SEA
18h 12m1 stop
Frontier Logo
8:43 pm - 9:22 amSEA-STL
34h 39m2 stops
$217Frontier
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Thu, Oct 2 - Sun, Oct 5
Frontier Logo
3:01 pm - 9:20 amMCI-SEA
20h 19m2 stops
Frontier Logo
6:12 am - 1:48 pmSEA-MCI
5h 36m1 stop
$218Frontier
Find Deal
Wed, Dec 3 - Tue, Dec 9
Delta Logo
7:55 am - 10:08 amMCI-SEA
4h 13mnonstop
Delta Logo
5:50 pm - 11:22 pmSEA-MCI
3h 32mnonstop
$223Delta
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Sat, Oct 18 - Sat, Oct 25
Hawaiian Airlines Logo
6:33 am - 9:05 amSTL-SEA
4h 32mnonstop
Hawaiian Airlines Logo
6:02 pm - 12:03 amSEA-STL
4h 01mnonstop
$230Hawaiian Airlines
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Wed, Oct 1 - Tue, Oct 7
Delta Logo
10:40 am - 5:54 pmSTL-SEA
9h 14m1 stop
Delta Logo
6:00 am - 2:32 pmSEA-STL
6h 32m1 stop
$232Delta
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Sat, Oct 18 - Sat, Oct 25
Hawaiian Airlines Logo
6:33 am - 9:05 amSTL-SEA
4h 32mnonstop
Hawaiian Airlines Logo
6:02 pm - 12:03 amSEA-STL
4h 01mnonstop
$236Hawaiian Airlines
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Sat, Oct 11 - Sat, Oct 18
United Airlines Logo
1:46 pm - 5:53 pmMCI-SEA
6h 07m1 stop
United Airlines Logo
10:50 am - 9:45 pmSEA-MCI
8h 55m1 stop
$237United Airlines
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Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
1:46 pm - 9:15 pmMCI-SEA
9h 29m2 stops
United Airlines Logo
3:35 pm - 11:30 pmSEA-MCI
5h 55m1 stop
$242United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$214
Overall average: $289
Southwest
Thu 10/23Mon 10/27
STL - SEA • 1 stop
Cheapest non-stop
$223
Typical prices: $236-438
Delta
Wed 12/3Tue 12/9
MCI - SEA • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$82
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 15% 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
Mukilteo
Lakewood
Lacey
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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