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 1/7. 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
$138
Overall average: $308
Frontier
Fri 1/16Thu 1/22
MCI - SEA • 1 stop
Cheapest non-stop
$197
Typical prices: $247-$421
Alaska Airlines
Wed 1/14Wed 1/21
MCI - 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, Jan 16 - Thu, Jan 22
Frontier Logo
8:27 pm - 2:43 pm
MCI
-
SEA
20h 16m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$138Frontier
Fri, Jan 16 - Thu, Jan 22
Frontier Logo
8:27 pm - 2:43 pm
MCI
-
SEA
20h 16m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$139Frontier
Sun, Jan 18 - Sun, Jan 25
Frontier Logo
8:27 pm - 11:09 am
MCI
-
SEA
16h 42m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$162Frontier
Thu, Jan 8 - Thu, Jan 15
American Airlines Logo
2:38 pm - 8:57 pm
STL
-
SEA
8h 19m1 stop
American Airlines Logo
7:35 am - 4:14 pm
SEA
-
STL
6h 39m1 stop
$176American Airlines
Sat, Jan 17 - Tue, Jan 20
Delta Logo
3:40 pm - 8:46 pm
STL
-
SEA
7h 06m1 stop
Delta Logo
1:38 pm - 9:38 pm
SEA
-
STL
6h 00m1 stop
$177Delta
Sun, Jan 25 - Fri, Jan 30
Multiple Airlines Logo
8:41 pm - 11:19 am
MCI
-
SEA
16h 38m1 stop
Multiple Airlines Logo
10:51 am - 11:33 pm
SEA
-
MCI
10h 42m1 stop
$179Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
Multiple Airlines Logo
8:27 pm - 11:09 am
MCI
-
SEA
16h 42m1 stop
Multiple Airlines Logo
12:54 pm - 11:33 pm
SEA
-
MCI
8h 39m1 stop
$181Multiple Airlines
Fri, Jan 9 - Mon, Jan 19
American Airlines Logo
7:15 am - 3:34 pm
STL
-
SEA
10h 19m1 stop
American Airlines Logo
9:45 pm - 9:40 am
SEA
-
STL
9h 55m1 stop
$184American Airlines
Wed, Jan 14 - Tue, Jan 20
Delta Logo
7:00 am - 9:06 am
MCI
-
SEA
4h 06mnonstop
Delta Logo
5:55 pm - 11:23 pm
SEA
-
MCI
3h 28mnonstop
$197Delta
Sat, Jan 17 - Tue, Jan 20
Alaska Airlines Logo
6:19 pm - 8:54 pm
STL
-
SEA
4h 35mnonstop
Alaska Airlines Logo
7:55 am - 1:54 pm
SEA
-
STL
3h 59mnonstop
$197Alaska Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds with an average 15% 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
Lakewood
Mukilteo
Lacey
Poulsbo
Edmonds
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)