Cheap flights from Chicago to San Antonio from $101
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How much do flights to San Antonio cost?
Key info about flying to San Antonio
Depart from
Arrive to
Average flights per week
Flight distance
Weekly direct flights
Discover the top airlines offering direct flights from Chicago to San Antonio in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Sun 05.10 | Mon 06.10 | Tue 07.10 | Wed 08.10 | Thu 09.10 | Fri 10.10 | Sat 11.10 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| Weekly flights: 21 total | Daily flights: 3 average | Most flights: Sunday 3 flights |
| Airline | Sun 12.10 | Mon 13.10 | Tue 14.10 | Wed 15.10 | Thu 16.10 | Fri 17.10 | Sat 18.10 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| Weekly flights: 21 total | Daily flights: 3 average | Most flights: Sunday 3 flights |
| Airline | Sun 19.10 | Mon 20.10 | Tue 21.10 | Wed 22.10 | Thu 23.10 | Fri 24.10 | Sat 25.10 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| Weekly flights: 21 total | Daily flights: 3 average | Most flights: Sunday 3 flights |
| Airline | Sun 26.10 | Mon 27.10 | Tue 28.10 | Wed 29.10 | Thu 30.10 | Fri 31.10 | Sat 01.11 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 2 | |
| Weekly flights: 20 total | Daily flights: 2.86 average | Most flights: Sunday 3 flights |
Check-in for a flight from Chicago to San Antonio
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| United Airlines | UAL | UA | No |
| Frontier Airlines | FFT | F9 | No |
| Spirit Airlines | NKS | NK | No |
| Volaris | VOI | Y4 | No |
| VivaAerobus | VIV | VB | No |
Online check-in is not available for these airlines.
Weather in San Antonio
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 17°C | 7°C |
| February | 19°C | 9°C |
| March | 23°C | 12°C |
| April | 27°C | 16°C |
| May | 30°C | 20°C |
| June | 34°C | 23°C |
| July | 35°C | 24°C |
| August | 36°C | 25°C |
| September | 32°C | 22°C |
| October | 28°C | 17°C |
| November | 21°C | 12°C |
| December | 18°C | 9°C |
14 day forecast
Travelers usually depart from O Hare International, Chicago Midway International, or Chicago Rockford International when they travel from Chicago to San Antonio. The distance between Chicago and San Antonio is 1679 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Spirit Airlines, Volaris, and VivaAerobus. Chicago and San Antonio have 201 direct flights per week.
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