Cheap flights from Wilmington, DE to St. Louis, MO

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Travelers usually depart from Wilmington, DE station, or New Castle Airport when they travel from Wilmington to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The most popular airlines for this route are Linear Air, United Airlines, American Airlines, Delta Air Lines, and Frontier Airlines. Wilmington and St. Louis have 40 direct flights per week.

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

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Linear Air O2YesNo
United AirlinesUALUAYesNo
American AirlinesAALAANoNo
Delta Air LinesDALDLNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

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

Thursday
4 Apr
87%
8°C2°C
11 Apr
85%
16°C10°C
Friday
5 Apr
13°C2°C
12 Apr
19°C7°C
Saturday
6 Apr
14°C2°C
13 Apr
26°C11°C
Sunday
7 Apr
86%
19°C7°C
14 Apr
23°C14°C
Monday
8 Apr
81%
25°C10°C
15 Apr
89%
15°C9°C
Tuesday
9 Apr
22°C12°C
16 Apr
22°C7°C
Wednesday
10 Apr
84%
13°C11°C
17 Apr
26°C11°C

Frequently asked questions

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What time do nonstop (direct) flights between Wilmington and St. Louis depart?
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What time do flights between Wilmington and St. Louis depart?
What time do flights between Wilmington and St. Louis arrive?

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