Cheap flights from Chicago to San Antonio

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Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago Union Station, or Chicago Downtown Greyhound Station when they travel from Chicago to San Antonio. Book your trip to arrive at San Antonio International, San Antonio, San Antonio Train Station, San Antonio-Probandt & King Roger, or San Antonio-Pearl. The distance between Chicago and San Antonio is 1679 km. The most popular airlines for this route are WN, American Airlines, United Airlines, Delta Air Lines, and Frontier Airlines. Chicago and San Antonio have 342 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights62495067-5460

Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

WN on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Chicago to San Antonio

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
WNSWAWNNoUnknownNo
American AirlinesAALAAYesUnknownNo
United AirlinesUALUAYesUnknownNo
Delta Air LinesDALDLYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo

Frequently asked questions

How long does it take to travel from Chicago to San Antonio?

A one-way nonstop (direct) flight between Chicago and San Antonio takes around 3.1 hours.

What is the flight distance between Chicago and San Antonio?

The flight distance between Chicago and San Antonio is 1679 km.

What airlines offer nonstop (direct) flights between Chicago and San Antonio?

Several carriers operate flights between Chicago and San Antonio. Airlines offering nonstop (direct) flights include United Airlines, WN, American Airlines.

What are the most popular routes to and from Chicago?

Travelers frequently search for route combinations, such as Chicago and Miami International, Denver International, Phoenix Sky Harbor International, Tampa International, Fort Lauderdale–Hollywood International, Dallas/Fort Worth International, Louis Armstrong New Orleans International, Southwest Florida International, Savannah/Hilton Head International, McGhee Tyson, Asheville Regional.

What are the most popular routes to and from San Antonio?

Travelers frequently search for route combinations, such as San Antonio and McCarran International, Denver International, Seattle–Tacoma International, Philadelphia International, Southwest Florida International, Raleigh–Durham International, Oakland International, Tulsa International, Corpus Christi International, Lubbock Preston Smith International, Midland International Air and Space Port.

Which airports are there in Chicago?

Chicago is mainly served by O Hare International. But there are other airports nearby, including Chicago Midway International, Chicago Rockford International.

What airports are near Chicago?

The main airport in Chicago is O Hare International. It is also served by General Mitchell International, Gerald R. Ford International, Dane County Regional, Fort Wayne International, South Bend International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, Decatur, Kalamazoo/Battle Creek International.

What airports are near San Antonio?

The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Corpus Christi International, Del Rio International, Piedras Negras International, Killeen–Fort Hood Regional, Easterwood, Victoria Regional.

What buses and trains depart from Chicago?

A number of bus and train companies depart from Chicago, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and San Antonio?

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Which airlines fly between Chicago and San Antonio?

When's the best time to travel between Chicago and San Antonio?

What flights operate between Chicago and San Antonio?

How many airports are there near Chicago?

How many airports are there near San Antonio?

Is it possible to reach Chicago by bus or train?

What time do nonstop (direct) flights between Chicago and San Antonio depart?

What time do nonstop (direct) flights between Chicago and San Antonio arrive?

What time do flights between Chicago and San Antonio depart?

What time do flights between Chicago and San Antonio arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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