Cheap flights Chicago — San Antonio (CHI — SAT)

Good to know - Cheap tickets Chicago — San Antonio

Minimal flight time 2h 29m
Flight distance 1694 km
Most popular airline Southwest Airlines
Round-trip from $72

Airfare Chicago – San Antonio by month

Here you can find out in what months how much a ticket Chicago – San Antonio costs to buy cheap plane tickets.

Month One-way Round-trip
September 2026
August 2026
July 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
August 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Chicago — San Antonio

Departure Arrival Flight days Flight Airlines Flight time Airports
02:15 04:44 tue 5X9784 UPS 2h 29m Chicago Rockford International Airport — San Antonio International Airport Select dates
07:45 10:50 mon, thu, fri, sun WN4347 Southwest Airlines 3h 5m Chicago Midway International Airport — San Antonio International Airport Select dates
08:20 11:25 tue, wed WN4347 Southwest Airlines 3h 5m Chicago Midway International Airport — San Antonio International Airport Select dates
09:10 12:27 mon, tue, wed, thu, fri, sun UA490 United Express 3h 17m O'Hare International Airport — San Antonio International Airport Select dates
09:40 12:40 mon, tue, thu, sun WN4347 Southwest Airlines 3h 0m Chicago Midway International Airport — San Antonio International Airport Select dates
09:50 13:01 mon, tue, wed, thu, fri, sun AA3607 American Eagle 3h 11m O'Hare International Airport — San Antonio International Airport Select dates
10:00 13:00 sun WN2471 Southwest Airlines 3h 0m Chicago Midway International Airport — San Antonio International Airport Select dates
10:15 13:15 mon, thu, fri WN2471 Southwest Airlines 3h 0m Chicago Midway International Airport — San Antonio International Airport Select dates
11:00 14:00 sat WN2471 Southwest Airlines 3h 0m Chicago Midway International Airport — San Antonio International Airport Select dates
11:05 14:05 tue, wed WN2471 Southwest Airlines 3h 0m Chicago Midway International Airport — San Antonio International Airport Select dates
All routes

Dynamics airfare Chicago — San Antonio by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Chicago — San Antonio

The graph shows that booking flights Chicago — San Antonio is best planned for February and flights Chicago — San Antonio — Chicago in the month of January.

Flights Chicago — San Antonio

The selection of cheap flights Chicago — San Antonio

The price of the flight Chicago — San Antonio (United States) — Chicago from $72 (round-trip).

The average price of the flight Chicago — San Antonio (United States) — Chicago $214 (round-trip).

Low cost flights Chicago — San Antonio (CHI — SAT)

The distance between Chicago and San Antonio 1053 miles (or 1694 kilometres).

The time difference between Chicago and San Antonio is 0 h.

Minimal flight time from Chicago to San Antonio 2h 29m.

Routes from nearby cities to San Antonio

A flight from a neighbouring city can help you save money on plane tickets.

The closest airports to Chicago with a flight to San Antonio are in Peoria.

Popular International routes from Chicago

Popular routes from San Antonio

If you are going to fly from San Antonio, then study the popular flights. The most popular flights from San Antonio:

Popular domestic routes from Chicago

FAQ about Chicago — San Antonio

Yes, they do: 5X9784, WN4347, UA490, AA3607, WN2471, UA5535, AA4667, 5X2782, 5X5758, AA1275, UA1655, UA1394, WN3998, AA3426, AA3904

Yes, you can fly from Chicago to San Antonio. Chicago has 8 airports (Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport) for flights. UPS, Southwest Airlines, United Express, American Eagle depart from Chicago on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Aeromexico, Alaska Airlines, Contour Aviation, Delta Connection, FedEx, Frontier (Penny the Owl Livery), Jet Linx Aviation, NetJets, Phoenix Air, SkyWest Airlines, SkyWest Charter, Spirit Airlines, Sun Country Airlines, Viva, Volaris, WestJet.

A direct flight lasts an average of 2h 29m, during which time the aircraft covers a distance of 1694 km.

The price of flights Chicago — San Antonio starts from $72.

Planes fly Chicago — San Antonio 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport. In San Antonio — Randolph AFB, Kelly AFB, Stinson Municipalcipal, San Antonio International Airport, Martindale Army Heliport.

The following flights fly between Chicago and San Antonio: 5X9784, WN4347, WN4347, UA490, WN4347, AA3607, WN2471, WN2471, WN2471, WN2471, UA5535, AA4667, AA4667, 5X2782, 5X2782, 5X5758, AA1275, UA1655, UA1394, UA1394, WN3998, WN4347, AA3426, AA3904, WN3998, WN3998, WN3998

High season is considered to be December and the cheapest month is February. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Chicago — San Antonio flight deals.

The following airlines have direct flights Chicago — San Antonio: UPS, Southwest Airlines, United Express, American Eagle.

All the following airlines flights Chicago — San Antonio: Aeromexico, Alaska Airlines, American Eagle, Contour Aviation, Delta Connection, FedEx, Frontier (Penny the Owl Livery), Jet Linx Aviation, NetJets, Phoenix Air, SkyWest Airlines, SkyWest Charter, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United Express, UPS, Viva, Volaris, WestJet.

Low price calendar