Cheap flights from San Diego to St. Louis from $187

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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$187
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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$188
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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$188
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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$197
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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$197
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1 stop
Tue, Jul 15
San Diego SANSt. Louis STL

$197
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$509
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$509
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$511
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$511
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$511
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1 stop
Thu, Jul 17 – Mon, Jul 21
San Diego SANSt. Louis STL

$518
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How much do flights to St. Louis cost?

Key info about flying to St. Louis

Depart from
San Diego International
Arrive to
St. Louis Lambert International
Average flights per week
136
Flight distance

Check-in for a flight from San Diego to St. Louis

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo
Hawaiian AirlinesHALHANo

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
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
21 Jun
39°C24°C
28 Jun
33°C23°C
Sunday
22 Jun
39°C24°C
29 Jun
33°C24°C
Monday
23 Jun
38°C24°C
30 Jun
82%
29°C22°C
Tuesday
24 Jun
88%
33°C22°C
1 Jul
30°C20°C
Wednesday
25 Jun
89%
33°C22°C
2 Jul
33°C21°C
Thursday
26 Jun
34°C24°C
3 Jul
84%
35°C25°C
Friday
27 Jun
86%
33°C23°C
4 Jul
79%
30°C24°C
Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to St. Louis. The most popular airlines for this route are United Airlines, Alaska Airlines, and Hawaiian Airlines. San Diego and St. Louis have 136 direct flights per week.

Frequently asked questions

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The nearest countries with flights to St. Louis

Here is a list of countries people are flying from

Other destination countries from San Diego

Here is a list of countries people are flying to

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