Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

Find cheap flights from Missouri to Seattle from $68

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 5/15. 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
Fri 6/7
Fri 6/14

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

In the last 7 days travelers have searched 43,968,530 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

$68
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 21% 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, +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

5/25Sat
1 stop
13h 00mSTL-SEA
5/28Tue
1 stop
11h 06mSEA-STL
$144
5/30Thu
1 stop
26h 41mSTL-SEA
6/4Tue
1 stop
13h 25mSEA-STL
$148
6/8Sat
1 stopFrontier
26h 29mMCI-SEA
6/11Tue
1 stopFrontier
21h 04mSEA-MCI
$160
8/24Sat
1 stopFrontier
14h 52mMCI-SEA
8/31Sat
1 stopFrontier
8h 32mSEA-MCI
$163
6/12Wed
1 stopSpirit Airlines
8h 14mSTL-SEA
6/18Tue
1 stopSpirit Airlines
13h 24mSEA-STL
$163
7/10Wed
1 stopSpirit Airlines
10h 47mSTL-SEA
7/17Wed
1 stopSpirit Airlines
6h 57mSEA-STL
$170
9/25Wed
1 stopAmerican Airlines
9h 54mSTL-SEA
10/7Mon
1 stopAmerican Airlines
8h 05mSEA-STL
$210
8/12Mon
1 stopAmerican Airlines
9h 17mSTL-SEA
8/19Mon
1 stopAmerican Airlines
6h 46mSEA-STL
$213
9/11Wed
1 stopDelta
6h 18mSTL-SEA
9/20Fri
1 stopDelta
7h 20mSEA-STL
$226
9/6Fri
1 stopDelta
6h 58mSTL-SEA
9/13Fri
1 stopDelta
7h 20mSEA-STL
$231

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/15Wed
1 stopSpirit Airlines
23h 09mSTL-SEA
$68
6/8Sat
1 stopFrontier
14h 55mMCI-SEA
$78
6/17Mon
1 stopDelta
6h 23mSTL-SEA
$118
6/1Sat
nonstopAlaska Airlines
3h 48mMCI-SEA
$119
5/29Wed
nonstopAlaska Airlines
4h 14mSTL-SEA
$119
6/6Thu
1 stopDelta
7h 09mSTL-SEA
$129
6/18Tue
1 stopSun Country Air
16h 07mMCI-SEA
$135
5/21Tue
3 stops
32h 06mSTL-SEA
$135
7/1Mon
1 stopSun Country Air
6h 24mMCI-SEA
$155
6/5Wed
3 stops
34h 59mSTL-SEA
$167

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

5/13Mon
multi-stopFrontier
13h 51mSTL-SEA
5/20Mon
multi-stopFrontier
12h 13mSEA-STL
$244
5/12Sun
multi-stopFrontier
17h 51mSTL-SEA
5/18Sat
multi-stopFrontier
11h 49mSEA-STL
$279
5/10Fri
multi-stopDelta
7h 09mSTL-SEA
5/13Mon
multi-stopDelta
8h 30mSEA-STL
$286
5/9Thu
multi-stop
22h 31mSTL-SEA
5/12Sun
multi-stop
15h 34mSEA-STL
$314
5/11Sat
multi-stopSpirit Airlines
23h 06mSTL-SEA
5/14Tue
multi-stopSpirit Airlines
11h 06mSEA-STL
$381
5/9Thu
multi-stop
28h 27mMCI-SEA
5/14Tue
multi-stop
6h 30mSEA-MCI
$384
5/10Fri
multi-stopUnited Airlines
7h 55mSTL-SEA
5/14Tue
multi-stopUnited Airlines
11h 44mSEA-STL
$392
5/13Mon
multi-stopSpirit Airlines
18h 40mSTL-SEA
5/20Mon
multi-stopSpirit Airlines
26h 02mSEA-STL
$448
5/12Sun
multi-stopDelta
6h 25mSTL-SEA
5/17Fri
multi-stopDelta
8h 30mSEA-STL
$457
5/11Sat
multi-stopUnited Airlines
6h 05mMCI-SEA
5/13Mon
multi-stopUnited Airlines
13h 15mSEA-MCI
$637

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
$708
$193