CMI - SAT

$469 Find Cheap Flights from Champaign to San Antonio

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Champaign to San Antonio departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to San Antonio

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Champaign to San Antonio, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Champaign to San Antonio, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Champaign to San Antonio (CMI-SAT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Champaign to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Champaign to San Antonio

Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
3:45 pm - 10:53 pmCMI-SAT
7h 08m1 stop
American Airlines Logo
2:39 pm - 8:32 pmSAT-CMI
5h 53m1 stop
$469American Airlines
Find Deal
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
1:16 pm - 12:05 amCMI-SAT
10h 49m2 stops
American Airlines Logo
2:39 pm - 8:32 pmSAT-CMI
5h 53m1 stop
$475American Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
American Airlines Logo
6:45 am - 12:04 pmCMI-SAT
5h 19m1 stop
American Airlines Logo
6:08 am - 10:45 amSAT-CMI
4h 37m1 stop
$476American Airlines
Find Deal
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
3:45 pm - 10:53 pmCMI-SAT
7h 08m1 stop
American Airlines Logo
2:39 pm - 8:32 pmSAT-CMI
5h 53m1 stop
$489American Airlines
Find Deal
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
1:16 pm - 10:53 pmCMI-SAT
9h 37m2 stops
American Airlines Logo
2:39 pm - 8:32 pmSAT-CMI
5h 53m1 stop
$495American Airlines
Find Deal
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
1:16 pm - 12:05 amCMI-SAT
10h 49m2 stops
American Airlines Logo
5:05 am - 12:37 pmSAT-CMI
7h 32m2 stops
$549American Airlines
Find Deal
Tue, Mar 31 - Sat, Apr 4
American Airlines Logo
1:16 pm - 10:53 pmCMI-SAT
9h 37m2 stops
American Airlines Logo
5:05 am - 12:37 pmSAT-CMI
7h 32m2 stops
$569American Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
American Airlines Logo
6:00 am - 5:00 pmCMI-SAT
11h 00m2 stops
American Airlines Logo
6:08 am - 10:45 amSAT-CMI
4h 37m1 stop
$582American Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
American Airlines Logo
1:50 pm - 9:40 pmCMI-SAT
7h 50m2 stops
American Airlines Logo
6:00 am - 12:51 pmSAT-CMI
6h 51m2 stops
$688American Airlines
Find Deal
Mon, Oct 27 - Fri, Oct 31
American Airlines Logo
6:00 am - 11:32 amCMI-SAT
5h 32m1 stop
American Airlines Logo
8:45 am - 3:17 pmSAT-CMI
6h 32m1 stop
$766American Airlines
Find Deal

Everything you should know

Cheapest round-trip
$469
American Airlines
Tue 3/31Sat 4/4
CMI - SAT • 1 stop
Cheapest one-way
Multiple Airlines
Tue 10/14
CMI - SAT • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Antonio!
Booking Insights

KAYAK's insights & trends for Champaign to San Antonio flights

Get data-powered insights and trends into flights from Champaign to San Antonio to help you find the cheapest flights, the best time to fly and much more.

Which airlines fly non-stop between Champaign and San Antonio?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Champaign to San Antonio.

There is just one airline that flies from Champaign to San Antonio direct and that is American Airlines. The best round-trip deal found from American Airlines for the route is $356.

Good to know

Low seasonSeptember
Cheapest flight$469
Best time to beat the crowds with an average 39% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Champaign to San Antonio

When to book flights from Champaign to San Antonio

Are your dates flexible? Find out the best times to travel from Champaign to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Champaign to San Antonio

  • What is the cheapest flight from Champaign to San Antonio?

    In the last 3 days, the lowest price for a flight from Champaign to San Antonio was $469 for a round-trip ticket.

  • Do I need a passport to fly between Champaign and San Antonio?

    A passport is not required to fly from Champaign to San Antonio.

  • Which airports will I be using when flying from Champaign to San Antonio?

    When flying out of Champaign you will be using Champaign University-Willard. You will be landing at San Antonio, also known as San Antonio.

  • Which aircraft models fly most regularly from Champaign to San Antonio?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Champaign to San Antonio?

    oneworld is the only airline alliance operating flights between Champaign and San Antonio.

  • How does KAYAK find such low prices on flights from Champaign to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Champaign to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Champaign to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Champaign is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Champaign to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Champaign with another airline. Booking your flights between Champaign and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Champaign to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Champaign up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Champaign to San Antonio

 
See real verified KAYAK customer reviews for airlines flying from Champaign to San Antonio. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Champaign to San Antonio? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 11042 reviews
6.4Food
6.9Entertainment
7.5Boarding
8.0Crew
7.2Comfort
Airline reviews

Flight attendants on this flight were very attentive and friendly

10.0 ExcellentFernando, Oct 2025BHM - DFW
Read more American Airlines reviews

Flight attendants on this flight were very attentive and friendly

You can plug your phone in & use their wifi to watch movies, etc, but the plane’s wifi was disconnected for most of the flight.

Very below average , plane from Dallas to Toyko was very poor designed plane. I had to sit for 13 hours next to fat man. Really bad seat and entertainment screen sucked

Full flight so overhead bin space ran out & bags had to be checked. When you’re in the last boarding group, you might as well expect that. Don’t pay to check bags though because when they run out of space for carry-ons, they check your bag to your destination for free. When traveling with children, no need to pay extra for seats, they will assign seats & have to sit your children with you.

American almost always Delays flights from Austin to Dallas and back. I cannot believe they have such poor service on this route. I was about to switch to American from Delta, but they gave me enough reasons not to.

There's nothing I liked about it. For first off I scheduled this trip two weeks in advance then they delayed my flight which messed up my whole trip. So I scheduled it for the following weekend thinking there won't be a delay and guess what as soon as I got to the airport we said in the airplane on the tarmac for an hour and a half. Not only was it delayed I missed my connecting flight meaning I had to stay the night at Dallas-Fort Worth airport sleeping on the floor. I will tell you this I will never fly American airlines ever again I have had nothing but horrible experience with them and I just throw money at them

Having to reschedule flights a day later, they loaded by luggage on the wrong plane from Little rock now I have to HOPE they deliver it to where im staying like they said would. International flight crew was very disgruntled and not very friendly.

The entertainment package was vast and the selections were very current. Keep updating it was great.

Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Everything you need to know for your flight from Champaign to San Antonio

Information on your arrival and departure airports

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