Cheap flights from St. Louis to San Diego from $246

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1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$246
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1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$246
Search
1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$246
Search
1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$255
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1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$255
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1 stop
Tue, Jul 29
St. Louis STLSan Diego SAN

$255
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Prices updated:

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1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
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1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
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1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
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1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
Search
1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
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1 stop
Sat, Aug 2 – Tue, Aug 5
St. Louis STLSan Diego SAN

$479
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Prices updated:

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How much do flights to San Diego cost?

Key info about flying to San Diego

Depart from
St. Louis Lambert International
Arrive to
San Diego International
Average flights per week
145
Flight distance
Worth visiting
Griffith Observatory

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

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

Weather in San Diego

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C10°C
February17°C10°C
March18°C11°C
April19°C12°C
May20°C14°C
June22°C16°C
July24°C18°C
August25°C19°C
September25°C19°C
October23°C16°C
November21°C13°C
December17°C11°C
Hottest Month
25°C
August
Coldest month
10°C
February
Sunny days
346
days per year

14 day forecast

Friday
11 Jul
23°C18°C
18 Jul
23°C19°C
Saturday
12 Jul
23°C17°C
19 Jul
25°C20°C
Sunday
13 Jul
23°C18°C
20 Jul
26°C21°C
Monday
14 Jul
23°C17°C
21 Jul
25°C21°C
Tuesday
15 Jul
22°C18°C
22 Jul
25°C20°C
Wednesday
16 Jul
22°C18°C
23 Jul
24°C19°C
Thursday
17 Jul
22°C18°C
24 Jul
26°C20°C
Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are United Airlines, Alaska Airlines, and Hawaiian Airlines. St. Louis and San Diego have 145 direct flights per week.

Frequently asked questions

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What time do nonstop (direct) flights between St. Louis and San Diego depart?
What time do nonstop (direct) flights between St. Louis and San Diego arrive?
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Explore alternative trips

Flights from St. Louis

Flights to San Diego

Popular routes

The nearest countries with flights to San Diego

Here is a list of countries people are flying from

Other destination countries from St. Louis

Here is a list of countries people are flying to

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