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

Flights starting at £113. Choose between United Airlines, American Airlines, or Alaska Airlines to find the best price.

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Key info about flying to St. Louis

Depart from
Seattle–Tacoma International
Arrive to
St. Louis Lambert International
Average flights per week
41
Flight distance
2747 km

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 chart.

AirlineMon 16.12Tue 17.12Wed 18.12Thu 19.12Fri 20.12Sat 21.12Sun 22.12
------12222
Weekly flights: 9 totalDaily flights: 1.29 averageMost flights: Thursday 2 flights
AirlineMon 23.12Tue 24.12Wed 25.12Thu 26.12Fri 27.12Sat 28.12Sun 29.12
2222222
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Monday 2 flights
AirlineMon 30.12Tue 31.12Wed 01.01Thu 02.01Fri 03.01Sat 04.01Sun 05.01
2222221
Weekly flights: 13 totalDaily flights: 1.86 averageMost flights: Monday 2 flights
AirlineMon 06.01Tue 07.01Wed 08.01Thu 09.01Fri 10.01Sat 11.01Sun 12.01
11111---1
Weekly flights: 6 totalDaily flights: 0.86 averageMost flights: Monday 1 flights

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
American AirlinesAALAANo
Alaska AirlinesASAASNo

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
262
days per year
Snow days
9
days per year

14 day forecast

Wednesday
18 Dec
6°C2°C
25 Dec
5°C1°C
Thursday
19 Dec
9°C-1°C
26 Dec
6°C0°C
Friday
20 Dec
1°C-3°C
27 Dec
88%
8°C4°C
Saturday
21 Dec
3°C-4°C
28 Dec
84%
16°C8°C
Sunday
22 Dec
6°C-2°C
29 Dec
68%
7°C4°C
Monday
23 Dec
56%
7°C1°C
30 Dec
12°C1°C
Tuesday
24 Dec
82%
8°C6°C
31 Dec
84%
13°C5°C

St. Louis travel tips

Walk the bohemian neighborhood of St. Louis – South Grand
Louis is one of the most multicultural cities in the USA
Taste Bosnian cuisine at St. Louis restaurants
Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base 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 United Airlines, American Airlines, and Alaska Airlines. Seattle and St. Louis have 41 direct flights per week.

Frequently asked questions

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