SEA

$60 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 3/4. 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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Everything you should know

Cheapest round-trip
$172
Overall average: $300
Frontier
Fri 2/27Tue 3/3
STL - SEA • 1 stop
Cheapest non-stop
$197
Typical prices: $300-$453
Alaska Airlines
Tue 4/21Sat 5/2
STL - SEA • Non-stop
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We hope you love your trip to Seattle!
Flight Deals
Useful Info
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, Feb 27 - Tue, Mar 3
Frontier Logo
1:59 pm - 12:01 pm
STL
-
SEA
24h 02m
1 stop
Frontier Logo
7:33 pm - 3:53 pm
SEA
-
STL
18h 20m
2 stops
$172Frontier
Sat, Mar 7 - Fri, Mar 13
Frontier Logo
8:12 pm - 10:19 am
STL
-
SEA
16h 07m
1 stop
Frontier Logo
12:24 pm - 9:49 am
SEA
-
STL
19h 25m
1 stop
$173Frontier
Tue, Apr 21 - Fri, Apr 24
Delta Logo
1:45 pm - 9:49 pm
STL
-
SEA
10h 04m
1 stop
Delta Logo
4:36 pm - 12:25 am
SEA
-
STL
5h 49m
1 stop
$177Delta
Tue, Mar 10 - Thu, Mar 12
Delta Logo
6:12 pm - 12:01 am
STL
-
SEA
7h 49m
1 stop
Delta Logo
11:59 pm - 9:01 am
SEA
-
STL
7h 02m
1 stop
$185Delta
Wed, Mar 11 - Mon, Mar 23
Multiple Airlines Logo
7:00 am - 9:03 pm
MCI
-
SEA
16h 03m
2 stops
Multiple Airlines Logo
9:36 pm - 11:31 pm
SEA
-
MCI
23h 55m
1 stop
$214Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
7:18 pm - 12:59 am
MCI
-
SEA
7h 41m
1 stop
United Airlines Logo
8:59 am - 4:19 pm
SEA
-
MCI
5h 20m
1 stop
$217United Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
1:50 pm - 9:01 pm
MCI
-
SEA
9h 11m
2 stops
United Airlines Logo
3:40 pm - 11:15 pm
SEA
-
MCI
5h 35m
1 stop
$222United Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
7:00 am - 10:55 am
MCI
-
SEA
53h 55m
2 stops
Multiple Airlines Logo
7:33 pm - 11:33 pm
SEA
-
MCI
26h 00m
1 stop
$223Multiple Airlines
Tue, Mar 3 - Fri, Mar 6
American Airlines Logo
6:05 pm - 12:24 am
SGF
-
SEA
8h 19m
1 stop
American Airlines Logo
12:07 am - 10:00 am
SEA
-
SGF
7h 53m
1 stop
$309American Airlines
Thu, Feb 12 - Wed, Feb 25
American Airlines Logo
6:08 pm - 12:24 am
SGF
-
SEA
8h 16m
1 stop
American Airlines Logo
7:15 am - 5:35 pm
SEA
-
SGF
8h 20m
1 stop
$334American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$60
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 15% 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
Mukilteo
Westport
Lacey
Edmonds
Poulsbo
Aberdeen
Woodinville
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)