Cheap Flights from San Antonio, TX to Chicago, IL from $142
On Cheapflightsplus.com you will find 36 connecting flights from San Antonio to Chicago. You can compare airfare deals from 2 airlines and multiple travel sites from $142, book and save on cheap plane tickets and last minute offers. Also check out SAT-CHI flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from San Antonio to Chicago depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and Chicago is 1684 miles. Time difference between the cities is 0h. Airplanes depart 12:41 to 21:47 from 5 San Antonio airports and arrive 12:41 to 21:47 to 7 Chicago airports. Average flight time is 19h 50m.
- The fastest flight 5h 40m
- Average flight time 19h 50m
- The earliest flight 12:41
- The latest flight 21:47
- Distance 1047 ml
Best Flights from San Antonio to Chicago Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $142 | 17:40 San Antonio San Antonio | 00:10+1 день Chicago O'Hare International | 6h 30m layover 1h 42m - Atlanta | Frontier Airlines | F94810 F93397 |
| from $184 | 21:33 San Antonio San Antonio | 20:59+1 день Chicago O'Hare International | 23h 26m layover 16h 30m - Las Vegas | Frontier Airlines | F93419 F92146 |
The cheapest months to travel to Chicago are september (from 142 $).
What is the lowest airfare San Antonio to Chicago?
The cheapest plane ticket found by our users is $142. This airfare is for economy class on one-way F94810 flight by Frontier Airlines for September 5, 2025 which leaves San Antonio in San Antonio at 17:40 am and arrives at Chicago O'Hare International at 00:10.
Flight Schedule San Antonio (Texas) to Chicago (Illinois)
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Popular Airlines on the Route
The flight San Antonio — Chicago is served by 2 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 5 departures per week at the price of from $ 142 . And the most expensive tickets are offered by Spirit Airlines airline - from $ 732.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 36 flights with layovers on the route. The fastest connecting flight is F94810 by Frontier Airlines takes 5h 40m and the cheapest is F94810 by Frontier Airlines for $142.
- F9 - Frontier Airlinesfrom $142Find
- NK - Spirit Airlinesfrom $293Find
Airports
You can fly from San Antonio to Chicago from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $142Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Chicago airports
- O'Hare International-ORDFind
- Midway-MDWFind
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Airplanes
There are flights to Chicago from San Antonio by 2 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.
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Top International Destinations from San Antonio
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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