SEA

$66 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 5/4. 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
$177
Overall average: $361
Delta
Fri 5/8Sat 5/16
STL - SEA • 1 stop
Cheapest non-stop
$188
Typical prices: $247-$398
Hawaiian Airlines
Sat 4/4Sat 4/11
STL - SEA • Non-stop
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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, May 8 - Sat, May 16
Delta Logo
2:27 pm - 10:01 pm
STL
-
SEA
9h 34m
1 stop
Delta Logo
6:10 am - 4:49 pm
SEA
-
STL
8h 39m
1 stop
$177Delta
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
8:12 pm - 9:27 am
STL
-
SEA
15h 15m
1 stop
Frontier Logo
6:57 pm - 7:12 pm
SEA
-
STL
22h 15m
1 stop
$178Frontier
Fri, May 8 - Thu, May 14
Frontier Logo
8:12 pm - 9:27 am
STL
-
SEA
15h 15m
1 stop
Frontier Logo
6:57 pm - 7:12 pm
SEA
-
STL
22h 15m
1 stop
$179Frontier
Sun, Apr 19 - Wed, Apr 22
Frontier Logo
2:15 pm - 3:05 pm
MCI
-
SEA
26h 50m
1 stop
Frontier Logo
6:57 pm - 1:30 pm
SEA
-
MCI
16h 33m
1 stop
$182Frontier
Sat, Mar 7 - Wed, Mar 11
American Airlines Logo
6:36 pm - 12:24 am
STL
-
SEA
7h 48m
1 stop
American Airlines Logo
1:37 pm - 11:44 pm
SEA
-
STL
8h 07m
1 stop
$184American Airlines
Sat, Apr 4 - Sat, Apr 11
Hawaiian Airlines Logo
7:00 am - 9:35 am
STL
-
SEA
4h 35mnonstop
Hawaiian Airlines Logo
6:02 pm - 11:59 pm
SEA
-
STL
3h 57mnonstop
$188Hawaiian Airlines
Wed, Apr 8 - Sat, Apr 18
Alaska Airlines Logo
7:00 am - 9:35 am
STL
-
SEA
4h 35mnonstop
Alaska Airlines Logo
9:24 am - 3:24 pm
SEA
-
STL
4h 00mnonstop
$197Alaska Airlines
Wed, Mar 4 - Tue, Mar 17
Multiple Airlines Logo
4:39 pm - 12:01 pm
MCI
-
SEA
21h 22m
1 stop
Multiple Airlines Logo
6:24 pm - 5:09 pm
SEA
-
MCI
20h 45m
2 stops
$211Multiple Airlines
Wed, May 6 - Sat, May 9
Multiple Airlines Logo
7:00 am - 5:42 pm
MCI
-
SEA
12h 42m
2 stops
Multiple Airlines Logo
6:57 pm - 1:30 pm
SEA
-
MCI
16h 33m
1 stop
$214Multiple 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
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$66
Best time to beat the crowds with an average 17% 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
Aberdeen
Poulsbo
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)