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$85 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 6/19. 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
Thu 6/20
Thu 6/27

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In the last 7 days travelers have searched 42,596,105 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$85
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
6/4Tue
1 stop
13h 17mMCI-SEA
6/11Tue
1 stop
6h 28mSEA-MCI
$152
8/20Tue
1 stopSpirit Airlines
14h 21mSTL-SEA
8/27Tue
1 stopSpirit Airlines
11h 34mSEA-STL
$160
7/10Wed
1 stopSpirit Airlines
27h 30mSTL-SEA
7/17Wed
1 stopSpirit Airlines
7h 56mSEA-STL
$164
9/18Wed
1 stopAmerican Airlines
8h 37mSTL-SEA
9/25Wed
1 stopAmerican Airlines
9h 32mSEA-STL
$197
6/11Tue
nonstopAlaska Airlines
3h 51mMCI-SEA
6/19Wed
nonstopAlaska Airlines
3h 28mSEA-MCI
$237
6/3Mon
1 stopDelta
7h 09mSTL-SEA
6/7Fri
1 stopDelta
7h 55mSEA-STL
$237
6/11Tue
1 stopAlaska Airlines
5h 49mMCI-SEA
6/19Wed
nonstopAlaska Airlines
3h 28mSEA-MCI
$246
8/15Thu
1 stopDelta
6h 58mSTL-SEA
8/23Fri
1 stopDelta
8h 19mSEA-STL
$251
8/28Wed
1 stopAmerican Airlines
7h 34mSTL-SEA
8/30Fri
1 stopAmerican Airlines
6h 46mSEA-STL
$276

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/19Wed
1 stopSpirit Airlines
8h 14mSTL-SEA
$85
7/10Wed
1 stopSpirit Airlines
9h 52mSTL-SEA
$88
6/18Tue
1 stopFrontier
13h 22mMCI-SEA
$96
8/13Tue
1 stopFrontier
12h 05mSTL-SEA
$96
6/17Mon
1 stopDelta
7h 34mSTL-SEA
$113
6/18Tue
nonstopAlaska Airlines
3h 56mMCI-SEA
$119
6/18Tue
nonstopAlaska Airlines
4h 28mSTL-SEA
$119
6/16Sun
1 stopSun Country Air
15h 10mSTL-SEA
$120
10/20Sun
nonstopDelta
4h 00mMCI-SEA
$139
7/1Mon
1 stopSun Country Air
18h 38mMCI-SEA
$163

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
6/2Sun
multi-stop
9h 14mSEA-STL
$230
5/24Fri
multi-stop
15h 35mSTL-SEA
6/2Sun
multi-stop
17h 46mSEA-STL
$240
5/23Thu
multi-stopFrontier
26h 41mSTL-SEA
5/27Mon
multi-stopFrontier
12h 13mSEA-STL
$277
5/25Sat
multi-stopUnited Airlines
8h 27mSTL-SEA
6/3Mon
multi-stopUnited Airlines
8h 06mSEA-STL
$293
5/23Thu
multi-stopAmerican Airlines
8h 31mSTL-SEA
5/26Sun
multi-stopAmerican Airlines
7h 20mSEA-STL
$317
5/23Thu
multi-stopAmerican Airlines
8h 31mSTL-SEA
5/26Sun
multi-stopAmerican Airlines
7h 20mSEA-STL
$318
5/25Sat
multi-stopSpirit Airlines
23h 06mSTL-SEA
5/28Tue
multi-stopSpirit Airlines
11h 06mSEA-STL
$354
5/22Wed
multi-stopUnited Airlines
8h 11mSTL-SEA
5/27Mon
multi-stopUnited Airlines
5h 41mSEA-STL
$387
5/25Sat
multi-stopSpirit Airlines
23h 06mSTL-SEA
6/3Mon
multi-stopSpirit Airlines
22h 04mSEA-STL
$443

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Missouri

Cabin classes:

$936
$253
$865
$193