On this page, you can find and book flights from Chicago to San Antonio. The flight covers a distance of 1,693 km, with approximately 27 flights per week serving this route.
Flights are operated by airlines such as United Airlines, American Airlines, and Alaska Airlines. Ticket prices are dynamic, so use the low-price calendar to find the best deal. You can also find out in advance how to get to Chicago airport and how to get from San Antonio airport to the city center.
The table shows direct flights Chicago → San Antonio on the selected date. The flight takes approximately 2 h 50 min. Regular flights are operated by United Airlines, American Airlines, Alaska Airlines and Air Canada. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at San Antonio International Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Chicago — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 456 in ,, and the most expensive are around AED 728 in J. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Chicago → San Antonio, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 532 | low | May | AED 760 | high | Sep | AED 570 | low |
| Feb | AED 551 | low | Jun | AED 817 | high | Oct | AED 589 | low |
| Mar | AED 627 | medium | Jul | AED 779 | high | Nov | AED 665 | medium |
| Apr | AED 798 | high | Aug | AED 684 | medium | Dec | AED 741 | high |
Some values are estimated based on seasonality.
The climate in San Antonio is characterized by hot summers and mild winters. August is the hottest month, with average highs reaching 36.2°C, while January is the coolest and driest. May sees the most rainfall, whereas July and August remain the sunniest months.
The most budget-friendly flights are available in August, with ticket prices starting AED 456. Prices peak in June, when the minimum fare is AED 800. In other months, such as September and October, prices stabilize at an average level.
In terms of savings, August is the best month to buy tickets if you don't mind the high temperatures. For more comfortable sightseeing at moderate prices, consider October or November, when the heat subsides and flight costs remain affordable.
Several airlines operate on the Chicago — San Antonio route, with United Airlines and American Airlines being the key carriers. A total of about 27 flights per week are operated, including direct flights and convenient connecting options. You can check the detailed schedule for specific days of the week and choose a suitable flight in the interactive list below.
Flights Chicago — San Antonio depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The approximate travel time for a direct flight is about 2 hours 15 minutes, as the air distance between the cities is 1,693 km.
Regular service is provided by United Airlines, American Airlines, Alaska Airlines, and Air Canada.
Yes, there are direct flights on this route, allowing you to reach your destination as quickly as possible without transfers.
Flights arrive at San Antonio International Airport (SAT), the city's main air gateway.
It is recommended to book tickets several weeks before your trip and monitor the low-price calendar, as fares can vary significantly during peak months.
Where travelers fly most — pick a route and check prices
