Cheap flights from Charleston, SC to San Antonio, TX

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How much do flights to San Antonio cost?

Key info about flying to San Antonio

Depart from
Charleston International
Arrive to
San Antonio International
Average flights per week
36
Flight distance

Check-in for a flight from Charleston to San Antonio

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
Alaska AirlinesASAASNo

Weather in San Antonio

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January17°C7°C
February19°C9°C
March23°C12°C
April27°C16°C
May30°C20°C
June34°C23°C
July35°C24°C
August36°C25°C
September32°C22°C
October28°C17°C
November21°C12°C
December18°C9°C
Hottest Month
36°C
August
Coldest month
7°C
January
Sunny days
302
days per year

14 day forecast

Friday
13 Dec
69%
18°C14°C
20 Dec
19°C6°C
Saturday
14 Dec
76%
22°C17°C
21 Dec
11°C5°C
Sunday
15 Dec
25°C18°C
22 Dec
10°C1°C
Monday
16 Dec
26°C19°C
23 Dec
16°C3°C
Tuesday
17 Dec
87%
25°C17°C
24 Dec
84%
20°C13°C
Wednesday
18 Dec
78%
22°C10°C
25 Dec
83%
23°C14°C
Thursday
19 Dec
16°C6°C
26 Dec
85%
20°C15°C
The most popular airlines for this route are United Airlines, and Alaska Airlines. Charleston and San Antonio have 36 direct flights per week.

Frequently asked questions

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What time do nonstop (direct) flights between Charleston and San Antonio arrive?
What time do flights between Charleston and San Antonio depart?
What time do flights between Charleston and San Antonio arrive?

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