Cheap flights from San Antonio, TX to St. Louis, MO
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Most popular airline | United Airlines |
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The most popular airline for this route is United Airlines. San Antonio and St. Louis have 40 direct flights per week.
Check-in for a flight from San Antonio to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes |
Online check-in is not available for these airlines.
Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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