Cheap flights from Seattle, WA to St. Louis, MO

Flights starting at £69. Choose between Alaska Airlines, United Airlines, or Frontier Airlines to find the best price.

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Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, Seattle, WA - University of Washington, or Seattle WA - South Lane St. Bus Stop when they travel from Seattle to St. Louis. The distance between Seattle and St. Louis is 2747 km. The most popular airlines for this route are Alaska Airlines, United Airlines, Frontier Airlines, Spirit Airlines, and JetBlue Airways. Seattle and St. Louis have 130 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Seattle to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 26.02 - Sun 03.03

AirlineMon 26.02Tue 27.02Wed 28.02Thu 29.02Fri 01.03Sat 02.03Sun 03.03
2112212

Weekly direct flights for Mon 04.03 - Sun 10.03

AirlineMon 04.03Tue 05.03Wed 06.03Thu 07.03Fri 08.03Sat 09.03Sun 10.03
2112212

Weekly direct flights for Mon 11.03 - Sun 17.03

AirlineMon 11.03Tue 12.03Wed 13.03Thu 14.03Fri 15.03Sat 16.03Sun 17.03
2112222

Weekly direct flights for Mon 18.03 - Sun 24.03

AirlineMon 18.03Tue 19.03Wed 20.03Thu 21.03Fri 22.03Sat 23.03Sun 24.03
2222222

Check-in for a flight from Seattle to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

St. Louis travel tips

1) Walk the bohemian neighborhood of St. Louis – South Grand
2) Louis is one of the most multicultural cities in the USA
3) Taste Bosnian cuisine at St. Louis restaurants

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
261
days per year
Snow days
9
days per year

14 day forecast

Tuesday
20 Feb
16°C2°C
27 Feb
88%
21°C12°C
Wednesday
21 Feb
18°C7°C
28 Feb
10°C5°C
Thursday
22 Feb
86%
16°C10°C
29 Feb
14°C4°C
Friday
23 Feb
13°C5°C
1 Mar
10°C-1°C
Saturday
24 Feb
12°C4°C
2 Mar
18°C3°C
Sunday
25 Feb
18°C8°C
3 Mar
20°C7°C
Monday
26 Feb
20°C9°C
4 Mar
20°C8°C

Frequently asked questions

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What is the flight distance between Seattle and St. Louis?
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