Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$51 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
อา. 6/30
อา. 7/7

Search hundreds of travel sites at once for deals on flights to Seattle

In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$51
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

8/28พ.
1 stopSpirit Airlines
6h 45mMCI-SEA
9/10อ.
1 stopSpirit Airlines
18h 34mSEA-MCI
$130
8/20อ.
1 stopSpirit Airlines
26h 45mSTL-SEA
8/27อ.
1 stopSpirit Airlines
11h 34mSEA-STL
$137
8/20อ.
1 stop
17h 19mSTL-SEA
8/27อ.
1 stop
11h 34mSEA-STL
$147
9/3อ.
1 stop
14h 52mMCI-SEA
9/10อ.
1 stop
7h 00mSEA-MCI
$148
9/14ส.
1 stopFrontier
14h 52mMCI-SEA
9/21ส.
1 stopFrontier
8h 32mSEA-MCI
$152
9/3อ.
1 stopFrontier
14h 52mMCI-SEA
9/7ส.
1 stopFrontier
8h 32mSEA-MCI
$157
10/5ส.
1 stopAmerican Airlines
10h 26mSTL-SEA
10/8อ.
1 stopAmerican Airlines
8h 05mSEA-STL
$193
8/13อ.
1 stopAmerican Airlines
7h 22mSTL-SEA
8/19จ.
1 stopAmerican Airlines
6h 43mSEA-STL
$211
9/4พ.
nonstopDelta
3h 55mMCI-SEA
9/11พ.
nonstopDelta
3h 24mSEA-MCI
$237
9/25พ.
1 stopDelta
7h 00mSTL-SEA
9/27ศ.
1 stopDelta
7h 50mSEA-STL
$267

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/10อ.
1 stopSpirit Airlines
14h 21mSTL-SEA
$51
9/10อ.
1 stopSpirit Airlines
15h 19mMCI-SEA
$58
6/8ส.
1 stopFrontier
26h 29mMCI-SEA
$88
8/19จ.
1 stopFrontier
14h 52mMCI-SEA
$89
10/12ส.
1 stopAmerican Airlines
8h 37mSTL-SEA
$98
9/30จ.
1 stopDelta
7h 00mSTL-SEA
$108
9/30จ.
1 stopAmerican Airlines
9h 49mSTL-SEA
$112
6/25อ.
1 stopDelta
7h 34mSTL-SEA
$113
6/25อ.
nonstopAlaska Airlines
3h 55mMCI-SEA
$119
6/25อ.
nonstopAlaska Airlines
4h 25mSTL-SEA
$119

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

6/3จ.
multi-stopFrontier
18h 53mSTL-SEA
6/5พ.
multi-stopFrontier
14h 51mSEA-STL
$211
6/2อา.
multi-stopFrontier
11h 18mSTL-SEA
6/6พฤ.
multi-stopFrontier
20h 12mSEA-STL
$229
6/5พ.
multi-stop
28h 36mSTL-SEA
6/16อา.
multi-stop
14h 52mSEA-STL
$235
6/5พ.
multi-stop
16h 10mMCI-SEA
6/10จ.
multi-stop
7h 10mSEA-MCI
$270
6/4อ.
multi-stopAmerican Airlines
8h 04mSTL-SEA
6/6พฤ.
multi-stopAmerican Airlines
8h 55mSEA-STL
$273
6/4อ.
multi-stopAmerican Airlines
8h 21mSTL-SEA
6/5พ.
multi-stopAmerican Airlines
6h 34mSEA-STL
$275
6/1ส.
multi-stopDelta
7h 22mSTL-SEA
6/5พ.
multi-stopDelta
8h 30mSEA-STL
$357
6/4อ.
multi-stopUnited Airlines
8h 47mSTL-SEA
6/11อ.
multi-stopUnited Airlines
9h 10mSEA-STL
$371
6/4อ.
multi-stopUnited Airlines
9h 47mSTL-SEA
6/6พฤ.
multi-stopUnited Airlines
12h 34mSEA-STL
$376
6/4อ.
multi-stopDelta
6h 51mSTL-SEA
6/9อา.
multi-stopDelta
7h 55mSEA-STL
$722

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