$236 Cheap American Airlines flights San Antonio (SAT) to Champaign (CMI)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines round-trip flights from $346 from SAT to CMI. Affordable one-way options from $236 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for one-way or return flights to Champaign in January or December. You could find a cheap fare with American Airlines during these off-peak months.

Search for affordable American Airlines flights from San Antonio Intl. Airport (SAT) to University Of Illinois Urbana-Champaign Williard Airport (CMI) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To figure out if there’s a direct route from SAT to CMI with American Airlines or another carrier, check the “Nonstop” box when searching for flights.

Filter your results by “Morning” and “Early Morning” to see the earliest departures from SAT to CMI. Jetting off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

University Of Illinois Urbana-Champaign Williard Airport (CMI) is the primary Champaign hub for American Airlines flights from San Antonio Intl. Airport (SAT).

Typically, you can cancel or modify your flight, although there may be a charge if you booked over 24 hours ago. Need to keep your options open? Apply the “No cancel fee” and “Changes included” filters to find flights that won’t penalize you if you have to alter your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more information.