SEA

$109 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 8/11. 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

Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
5:17 pm - 10:19 pm
COU
-
SEA
7h 02m
1 stop
American Airlines Logo
11:56 pm - 9:56 am
SEA
-
COU
8h 00m
1 stop
$338American Airlines
Wed, Nov 18 - Wed, Dec 2
United Airlines Logo
11:15 am - 9:23 pm
COU
-
SEA
12h 08m
2 stops
United Airlines Logo
2:15 pm - 10:58 pm
SEA
-
COU
6h 43m
1 stop
$344United Airlines
Mon, Aug 24 - Sat, Aug 29
Multiple Airlines Logo
9:36 pm - 10:39 am
SGF
-
SEA
15h 03m
1 stop
Multiple Airlines Logo
10:34 am - 12:28 pm
SEA
-
SGF
23h 54m
2 stops
$357Multiple Airlines
Mon, Aug 24 - Fri, Sep 4
Multiple Airlines Logo
9:36 pm - 10:39 am
SGF
-
SEA
15h 03m
1 stop
Multiple Airlines Logo
7:06 pm - 12:22 pm
SEA
-
SGF
39h 16m
2 stops
$358Multiple Airlines
Thu, Aug 20 - Tue, Aug 25
Delta Logo
7:15 am - 9:12 am
MCI
-
SEA
3h 57mnonstop
Delta Logo
5:30 pm - 11:02 pm
SEA
-
MCI
3h 32mnonstop
$370Delta
Sun, Aug 16 - Tue, Aug 25
Alaska Airlines Logo
6:02 am - 8:05 am
MCI
-
SEA
4h 03mnonstop
Alaska Airlines Logo
8:14 am - 1:52 pm
SEA
-
MCI
3h 38mnonstop
$371Alaska Airlines
Wed, Jul 22 - Sat, Jul 25
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
$372Frontier
Tue, Aug 18 - Wed, Aug 26
Delta Logo
7:15 am - 9:12 am
MCI
-
SEA
3h 57mnonstop
Delta Logo
5:30 am - 5:01 pm
SEA
-
MCI
9h 31m
1 stop
$376Delta
Mon, Jul 13 - Sat, Jul 18
Frontier Logo
1:45 pm - 11:20 am
MCI
-
SEA
23h 35m
1 stop
Frontier Logo
8:13 pm - 3:47 pm
SEA
-
MCI
17h 34m
1 stop
$377Frontier
Sun, Aug 16 - Tue, Aug 25
Alaska Airlines Logo
6:02 am - 8:30 am
STL
-
SEA
4h 28mnonstop
Alaska Airlines Logo
7:08 am - 5:10 pm
SEA
-
STL
8h 02m
1 stop
$387Alaska Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$109
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 21% 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
Mukilteo
Westport
Lacey
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)