SEA

$63 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 2/26. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$174
Overall average: $357
Frontier
Wed 3/4Sun 3/8
STL - SEA • 2 stops
Cheapest non-stop
$188
Typical prices: $237-$347
Hawaiian Airlines
Sat 2/14Sat 2/21
STL - SEA • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
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

Wed, Mar 4 - Sun, Mar 8
Frontier Logo
5:18 pm - 8:13 am
STL
-
SEA
16h 55m
2 stops
Frontier Logo
12:24 pm - 9:49 am
SEA
-
STL
19h 25m
1 stop
$174Frontier
Sat, Feb 28 - Tue, Mar 3
Frontier Logo
2:51 pm - 10:55 am
STL
-
SEA
22h 04m
1 stop
Frontier Logo
7:33 pm - 10:27 pm
SEA
-
STL
24h 54m
2 stops
$176Frontier
Tue, Apr 21 - Sat, Apr 25
Delta Logo
6:45 pm - 11:59 pm
STL
-
SEA
7h 14m
1 stop
Delta Logo
5:35 am - 2:40 pm
SEA
-
STL
7h 05m
1 stop
$177Delta
Wed, Feb 25 - Tue, Mar 3
Multiple Airlines Logo
4:39 pm - 8:13 am
MCI
-
SEA
17h 34m
2 stops
Multiple Airlines Logo
7:33 pm - 11:33 pm
SEA
-
MCI
26h 00m
1 stop
$183Multiple Airlines
Sat, Feb 14 - Sat, Feb 21
Multiple Airlines Logo
2:47 pm - 5:26 pm
STL
-
SEA
4h 39mnonstop
Multiple Airlines Logo
7:55 am - 1:51 pm
SEA
-
STL
3h 56mnonstop
$189Multiple Airlines
Wed, Feb 25 - Tue, Mar 3
Delta Logo
7:00 am - 9:06 am
MCI
-
SEA
4h 06mnonstop
Delta Logo
6:21 pm - 11:50 pm
SEA
-
MCI
3h 29mnonstop
$197Delta
Tue, Apr 21 - Sat, May 2
Alaska Airlines Logo
7:00 am - 9:35 am
STL
-
SEA
4h 35mnonstop
Alaska Airlines Logo
9:39 am - 3:50 pm
SEA
-
STL
4h 11mnonstop
$197Alaska Airlines
Wed, Feb 25 - Fri, Mar 6
Alaska Airlines Logo
2:49 pm - 4:54 pm
MCI
-
SEA
4h 05mnonstop
Alaska Airlines Logo
4:02 pm - 9:29 pm
SEA
-
MCI
3h 27mnonstop
$207Alaska Airlines
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
4:32 pm - 9:24 pm
SGF
-
SEA
6h 52m
1 stop
American Airlines Logo
7:15 am - 5:30 pm
SEA
-
SGF
8h 15m
1 stop
$309American Airlines
Fri, Feb 13 - Mon, Feb 16
American Airlines Logo
7:46 pm - 12:55 am
SGF
-
SEA
7h 09m
1 stop
American Airlines Logo
11:57 pm - 8:59 am
SEA
-
SGF
7h 02m
1 stop
$334American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 16% 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)