How much is a flight from Chicago to San Antonio?

Depending on when you travel and how far in advance you book, fares between Chicago and San Antonio can differ a lot.

RM 538 is the best price recorded in the last 15 days.

Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.

Are there multiple airports in Chicago and San Antonio?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Chicago: 3 airports are active in Chicago - Midway, O'Hare, Rockford.
• Airports in San Antonio: San Antonio is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Adjust your flight filters for Chicago – San Antonio

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.