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Find cheap flights from Missouri to Seattle from $69

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 5/18. 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
0 bags
Tue 6/4
Tue 6/11

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In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$69
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 21% 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.

See more FAQs

Prefer to fly non-stop from Missouri to Seattle?

Find which airlines fly direct from Missouri to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Missouri to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Missouri

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to Seattle

Recent round-trip flight deals

5/29Wed
1 stopSpirit Airlines
10h 53mSTL-SEA
6/4Tue
1 stopSpirit Airlines
13h 25mSEA-STL
$114
5/22Wed
1 stop
28h 49mSTL-SEA
5/28Tue
1 stop
11h 06mSEA-STL
$139
5/16Thu
1 stopFrontier
26h 41mSTL-SEA
5/20Mon
1 stopFrontier
12h 13mSEA-STL
$143
5/17Fri
1 stopFrontier
14h 37mSTL-SEA
5/20Mon
1 stopFrontier
12h 13mSEA-STL
$147
9/25Wed
1 stopAmerican Airlines
8h 05mSTL-SEA
10/7Mon
1 stopAmerican Airlines
8h 05mSEA-STL
$209
8/21Wed
1 stopDelta
6h 10mSTL-SEA
8/28Wed
1 stopDelta
8h 21mSEA-STL
$216
8/19Mon
1 stopDelta
6h 58mSTL-SEA
8/27Tue
1 stopDelta
8h 15mSEA-STL
$221
5/29Wed
nonstopAlaska Airlines
3h 51mMCI-SEA
6/11Tue
nonstopAlaska Airlines
3h 37mSEA-MCI
$237
5/29Wed
nonstopAlaska Airlines
4h 14mSTL-SEA
6/4Tue
nonstopAlaska Airlines
3h 58mSEA-STL
$237
5/21Tue
1 stopAmerican Airlines
9h 35mSTL-SEA
6/4Tue
1 stopAmerican Airlines
6h 34mSEA-STL
$251

Search by stops

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Recent one-way flight deals

5/18Sat
1 stopSpirit Airlines
8h 58mMCI-SEA
$69
5/28Tue
1 stopSpirit Airlines
27h 45mMCI-SEA
$89
9/7Sat
1 stopFrontier
14h 37mSTL-SEA
$94
5/16Thu
1 stopFrontier
15h 01mMCI-SEA
$96
6/6Thu
1 stopDelta
7h 09mSTL-SEA
$113
6/1Sat
nonstopAlaska Airlines
3h 48mMCI-SEA
$119
6/23Sun
1 stopDelta
8h 03mSTL-SEA
$124
6/3Mon
nonstopAlaska Airlines
3h 51mMCI-SEA
$129
6/16Sun
1 stopSun Country Air
15h 10mSTL-SEA
$135
7/27Sat
1 stopSun Country Air
17h 39mMCI-SEA
$143

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

5/8Wed
multi-stopFrontier
22h 40mSTL-SEA
5/13Mon
multi-stopFrontier
9h 08mSEA-STL
$254
5/7Tue
multi-stopAmerican Airlines
9h 56mSTL-SEA
5/8Wed
multi-stopAmerican Airlines
7h 22mSEA-STL
$274
5/7Tue
multi-stopDelta
6h 51mSTL-SEA
5/11Sat
multi-stopDelta
6h 15mSEA-STL
$276
5/9Thu
multi-stopFrontier
28h 27mMCI-SEA
5/16Thu
multi-stopFrontier
8h 26mSEA-MCI
$328
5/9Thu
multi-stop
28h 27mMCI-SEA
5/12Sun
multi-stop
6h 30mSEA-MCI
$337
5/7Tue
multi-stopDelta
5h 55mSTL-SEA
5/10Fri
multi-stopDelta
8h 30mSEA-STL
$357
5/7Tue
multi-stopUnited Airlines
7h 55mSTL-SEA
5/11Sat
multi-stopUnited Airlines
11h 54mSEA-STL
$392
5/8Wed
multi-stopSpirit Airlines
25h 29mMCI-SEA
5/13Mon
multi-stopSpirit Airlines
18h 35mSEA-MCI
$393
5/8Wed
multi-stopSpirit Airlines
23h 09mSTL-SEA
5/18Sat
multi-stopSpirit Airlines
29h 54mSEA-STL
$410
5/10Fri
multi-stopUnited Airlines
7h 09mSTL-SEA
5/14Tue
multi-stopUnited Airlines
11h 44mSEA-STL
$452

Search by stops

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Missouri

Cabin classes:

$402
$253
$705
$193