Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

Find cheap flights from Missouri to Seattle from $52

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 5/29. 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
Sun 6/9
Sun 6/16

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

In the last 7 days travelers have searched 43,895,468 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

$52
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, +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

5/29Wed
1 stopSpirit Airlines
23h 09mSTL-SEA
6/4Tue
1 stopSpirit Airlines
13h 25mSEA-STL
$110
6/5Wed
1 stopSpirit Airlines
8h 14mSTL-SEA
6/11Tue
1 stopSpirit Airlines
13h 24mSEA-STL
$120
6/8Sat
1 stop
15h 08mSTL-SEA
6/11Tue
1 stop
13h 24mSEA-STL
$129
6/4Tue
1 stop
13h 17mMCI-SEA
6/11Tue
1 stop
6h 28mSEA-MCI
$132
6/4Tue
1 stopFrontier
13h 17mMCI-SEA
6/11Tue
1 stopFrontier
21h 04mSEA-MCI
$160
5/31Fri
1 stopFrontier
15h 38mMCI-SEA
6/4Tue
1 stopFrontier
21h 02mSEA-MCI
$166
9/6Fri
1 stopDelta
6h 58mSTL-SEA
9/13Fri
1 stopDelta
7h 20mSEA-STL
$221
6/18Tue
1 stopAmerican Airlines
9h 30mSTL-SEA
6/24Mon
1 stopAmerican Airlines
6h 34mSEA-STL
$224
6/11Tue
1 stopDelta
7h 34mSTL-SEA
6/18Tue
1 stopDelta
6h 04mSEA-STL
$226
6/5Wed
1 stopAmerican Airlines
8h 31mSTL-SEA
6/12Wed
1 stopAmerican Airlines
10h 08mSEA-STL
$245

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/29Wed
1 stopSpirit Airlines
10h 53mSTL-SEA
$52
5/29Wed
1 stopSpirit Airlines
15h 29mMCI-SEA
$64
6/8Sat
1 stopFrontier
14h 55mMCI-SEA
$85
9/7Sat
1 stopFrontier
14h 52mMCI-SEA
$86
6/14Fri
1 stopDelta
7h 34mSTL-SEA
$113
6/8Sat
nonstopAlaska Airlines
3h 51mMCI-SEA
$119
6/9Sun
1 stopSun Country Air
15h 57mSTL-SEA
$135
5/17Fri
1 stopDelta
7h 09mSTL-SEA
$138
5/30Thu
nonstopAlaska Airlines
4h 14mSTL-SEA
$139
7/8Mon
1 stopSun Country Air
18h 42mMCI-SEA
$143

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
$240
5/13Mon
multi-stopFrontier
13h 51mSTL-SEA
5/17Fri
multi-stopFrontier
9h 01mSEA-STL
$248
5/11Sat
multi-stopAmerican Airlines
7h 57mSTL-SEA
5/14Tue
multi-stopAmerican Airlines
8h 10mSEA-STL
$275
5/11Sat
multi-stopDelta
7h 22mSTL-SEA
5/13Mon
multi-stopDelta
6h 02mSEA-STL
$276
5/11Sat
multi-stopAmerican Airlines
8h 21mSTL-SEA
5/13Mon
multi-stopAmerican Airlines
7h 52mSEA-STL
$316
5/14Tue
multi-stopUnited Airlines
7h 02mSTL-SEA
5/21Tue
multi-stopUnited Airlines
11h 44mSEA-STL
$371
5/13Mon
multi-stop
13h 51mSTL-SEA
5/24Fri
nonstop
4h 01mSEA-STL
$373
5/11Sat
multi-stopUnited Airlines
9h 36mSTL-SEA
5/15Wed
multi-stopUnited Airlines
13h 11mSEA-STL
$409
5/13Mon
multi-stop
13h 51mSTL-SEA
5/17Fri
nonstop
4h 01mSEA-STL
$423
5/13Mon
multi-stopDelta
7h 09mSTL-SEA
5/16Thu
multi-stopDelta
5h 37mSEA-STL
$480

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