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$50 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 9/10. 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
Sat 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$50
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, +63 more

ANA, Aer Lingus, +64 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, +63 more

ANA, Aer Lingus, +64 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

8/20Tue
1 stopSpirit Airlines
26h 45mSTL-SEA
8/27Tue
1 stopSpirit Airlines
11h 34mSEA-STL
$127
8/21Wed
1 stopSpirit Airlines
10h 45mSTL-SEA
8/27Tue
1 stopSpirit Airlines
11h 34mSEA-STL
$132
8/20Tue
1 stop
17h 19mSTL-SEA
8/27Tue
1 stop
11h 34mSEA-STL
$142
9/7Sat
1 stop
14h 52mMCI-SEA
9/10Tue
1 stop
12h 37mSEA-MCI
$148
8/21Wed
1 stopFrontier
14h 52mMCI-SEA
8/26Mon
1 stopFrontier
8h 32mSEA-MCI
$156
8/19Mon
1 stopFrontier
14h 52mMCI-SEA
8/24Sat
1 stopFrontier
8h 32mSEA-MCI
$157
9/11Wed
nonstopDelta
4h 00mMCI-SEA
9/18Wed
nonstopDelta
3h 24mSEA-MCI
$237
8/21Wed
nonstopAlaska Airlines
3h 54mMCI-SEA
8/25Sun
nonstopAlaska Airlines
3h 24mSEA-MCI
$257
9/11Wed
1 stopAlaska Airlines
7h 50mMCI-SEA
9/16Mon
nonstopAlaska Airlines
3h 28mSEA-MCI
$266
6/20Thu
nonstopDelta
4h 01mMCI-SEA
6/26Wed
nonstopDelta
3h 36mSEA-MCI
$309

Search by stops

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Search by price

Recent one-way flight deals

9/10Tue
1 stopSpirit Airlines
14h 21mSTL-SEA
$50
9/10Tue
2 stopsSpirit Airlines
28h 11mSTL-SEA
$64
6/8Sat
1 stopFrontier
26h 29mMCI-SEA
$88
8/19Mon
1 stopFrontier
14h 52mMCI-SEA
$89
9/30Mon
1 stopAmerican Airlines
9h 49mSTL-SEA
$112
6/25Tue
1 stopDelta
7h 34mSTL-SEA
$113
6/19Wed
nonstopAlaska Airlines
3h 55mMCI-SEA
$119
9/21Sat
nonstopAlaska Airlines
4h 25mSTL-SEA
$119
8/9Fri
1 stopAmerican Airlines
6h 51mMCI-SEA
$149
6/30Sun
nonstopDelta
4h 01mMCI-SEA
$229

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

6/3Mon
multi-stopFrontier
13h 34mSTL-SEA
6/9Sun
multi-stopFrontier
9h 44mSEA-STL
$259
6/4Tue
multi-stopFrontier
10h 17mSTL-SEA
6/9Sun
multi-stopFrontier
9h 44mSEA-STL
$261
5/31Fri
multi-stopDelta
5h 58mSTL-SEA
6/1Sat
multi-stopDelta
6h 15mSEA-STL
$276
6/4Tue
multi-stopAmerican Airlines
8h 04mSTL-SEA
6/8Sat
multi-stopAmerican Airlines
6h 34mSEA-STL
$352
5/31Fri
multi-stopAmerican Airlines
8h 21mSTL-SEA
6/1Sat
multi-stopAmerican Airlines
8h 49mSEA-STL
$356
5/31Fri
multi-stopDelta
5h 58mSTL-SEA
5/31Fri
multi-stopDelta
8h 30mSEA-STL
$357
6/2Sun
multi-stop
14h 56mMCI-SEA
7/10Wed
multi-stop
7h 17mSEA-MCI
$372
6/4Tue
multi-stop
22h 17mSTL-SEA
6/9Sun
multi-stop
14h 52mSEA-STL
$373
6/3Mon
multi-stopSpirit Airlines
25h 29mMCI-SEA
7/9Tue
multi-stopSpirit Airlines
20h 27mSEA-MCI
$388
6/3Mon
multi-stopSpirit Airlines
25h 29mMCI-SEA
7/9Tue
multi-stopSpirit Airlines
16h 29mSEA-MCI
$416

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
$1,146
$234