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$65 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 6/10. 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
Wed 6/19
Wed 6/26

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In the last 7 days travelers have searched 41,611,298 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$65
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 20% 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.

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, +61 more

ANA, Aer Lingus, +62 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, +61 more

ANA, Aer Lingus, +62 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

6/8Sat
1 stopFrontier
26h 29mMCI-SEA
6/10Mon
1 stopFrontier
22h 19mSEA-MCI
$147
9/10Tue
1 stopFrontier
14h 52mMCI-SEA
9/17Tue
1 stopFrontier
21h 03mSEA-MCI
$153
8/20Tue
1 stopSpirit Airlines
26h 45mSTL-SEA
8/27Tue
1 stopSpirit Airlines
11h 34mSEA-STL
$164
6/20Thu
1 stop
15h 08mSTL-SEA
6/25Tue
1 stop
13h 24mSEA-STL
$176
8/20Tue
1 stopSpirit Airlines
26h 45mSTL-SEA
8/27Tue
2 stopsSpirit Airlines
15h 46mSEA-STL
$178
6/24Mon
2 stops
19h 18mSTL-SEA
6/25Tue
1 stop
13h 24mSEA-STL
$181
8/7Wed
1 stopDelta
6h 58mSTL-SEA
9/24Tue
1 stopDelta
8h 37mSEA-STL
$216
8/4Sun
1 stopDelta
7h 27mSTL-SEA
9/25Wed
1 stopDelta
5h 15mSEA-STL
$221
10/19Sat
1 stopUnited Airlines
5h 48mMCI-SEA
10/26Sat
1 stopUnited Airlines
5h 57mSEA-MCI
$236
6/4Tue
1 stopUnited Airlines
6h 35mSTL-SEA
8/13Tue
1 stopUnited Airlines
9h 28mSEA-STL
$311

Search by stops

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Search by price

Recent one-way flight deals

6/10Mon
1 stopSpirit Airlines
20h 18mSTL-SEA
$65
6/19Wed
1 stopSpirit Airlines
8h 14mSTL-SEA
$83
6/5Wed
1 stopFrontier
16h 10mMCI-SEA
$89
8/27Tue
1 stopFrontier
12h 05mSTL-SEA
$91
8/13Tue
1 stopAmerican Airlines
8h 39mSTL-SEA
$99
8/12Mon
1 stopDelta
6h 58mSTL-SEA
$113
6/25Tue
1 stopDelta
7h 34mSTL-SEA
$118
6/18Tue
nonstopAlaska Airlines
3h 56mMCI-SEA
$119
6/22Sat
nonstopAlaska Airlines
4h 28mSTL-SEA
$119
5/28Tue
1 stopAmerican Airlines
8h 21mSTL-SEA
$137

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

5/24Fri
multi-stop
15h 35mSTL-SEA
5/28Tue
multi-stop
23h 11mSEA-STL
$216
5/24Fri
multi-stop
15h 35mSTL-SEA
5/28Tue
multi-stop
11h 06mSEA-STL
$223
5/22Wed
multi-stopFrontier
28h 49mSTL-SEA
5/26Sun
multi-stopFrontier
9h 14mSEA-STL
$285
5/24Fri
multi-stopAmerican Airlines
7h 57mSTL-SEA
5/27Mon
multi-stopAmerican Airlines
7h 22mSEA-STL
$317
5/24Fri
multi-stopDelta
7h 09mSTL-SEA
5/28Tue
multi-stopDelta
8h 30mSEA-STL
$357
5/22Wed
multi-stopUnited Airlines
8h 11mSTL-SEA
5/27Mon
multi-stopUnited Airlines
5h 41mSEA-STL
$387
5/22Wed
multi-stopAmerican Airlines
7h 52mSTL-SEA
5/25Sat
multi-stopAmerican Airlines
7h 22mSEA-STL
$407
5/22Wed
multi-stopUnited Airlines
8h 11mSTL-SEA
5/26Sun
multi-stopUnited Airlines
9h 10mSEA-STL
$469
5/21Tue
multi-stopFrontier
13h 20mMCI-SEA
5/23Thu
multi-stopFrontier
8h 26mSEA-MCI
$539
5/21Tue
nonstopDelta
3h 52mMCI-SEA
5/27Mon
multi-stopDelta
7h 12mSEA-MCI
$697

Search by stops

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Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Missouri

Cabin classes:

$936
$253
$865
$193