CMI - SAT

$450 Find Cheap Flights from Champaign to San Antonio - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$450
Typical prices: $400-$557
American Airlines
Mon 12/17Fri 12/21
CMI - SAT • 1 stop
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $413 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 6h 02m (one-way)
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Cheap Flights from Champaign to San Antonio (CMI-SAT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Champaign to San Antonio

Thu, Dec 17 - Mon, Dec 21
American Airlines Logo
6:43 pm - 11:59 pmCMI  Champaign University-Willard-SAT San Antonio
5h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
5:49 am - 10:55 amSAT  San Antonio-CMI Champaign University-Willard
5h 06m1 stop Chicago O'Hare Intl
$450American Airlines
Thu, Dec 17 - Mon, Dec 21
American Airlines Logo
8:31 am - 5:53 pmCMI  Champaign University-Willard-SAT San Antonio
9h 22m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
5:49 am - 10:55 amSAT  San Antonio-CMI Champaign University-Willard
5h 06m1 stop Chicago O'Hare Intl
$456American Airlines
Mon, Dec 21 - Wed, Dec 30
American Airlines Logo
6:43 pm - 11:59 pmCMI  Champaign University-Willard-SAT San Antonio
5h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
5:49 am - 10:55 amSAT  San Antonio-CMI Champaign University-Willard
5h 06m1 stop Chicago O'Hare Intl
$464American Airlines
Fri, Nov 20 - Sun, Nov 22
American Airlines Logo
5:53 am - 1:42 pmCMI  Champaign University-Willard-SAT San Antonio
7h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
5:37 pm - 10:02 pmSAT  San Antonio-CMI Champaign University-Willard
4h 25m1 stop Dallas/Fort Worth
$476American Airlines
Wed, Mar 17 - Thu, Mar 25
American Airlines Logo
6:03 am - 1:43 pmCMI  Champaign University-Willard-SAT San Antonio
7h 40m1 stop Chicago O'Hare Intl
American Airlines Logo
2:32 pm - 8:25 pmSAT  San Antonio-CMI Champaign University-Willard
5h 53m1 stop Chicago O'Hare Intl
$542American Airlines
Tue, Mar 16 - Thu, Mar 25
American Airlines Logo
6:03 am - 1:43 pmCMI  Champaign University-Willard-SAT San Antonio
7h 40m1 stop Chicago O'Hare Intl
American Airlines Logo
2:32 pm - 8:25 pmSAT  San Antonio-CMI Champaign University-Willard
5h 53m1 stop Chicago O'Hare Intl
$548American Airlines
Tue, Mar 16 - Thu, Mar 25
American Airlines Logo
6:03 am - 6:25 pmCMI  Champaign University-Willard-SAT San Antonio
12h 22m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
2:32 pm - 8:25 pmSAT  San Antonio-CMI Champaign University-Willard
5h 53m1 stop Chicago O'Hare Intl
$554American Airlines
Tue, Mar 16 - Tue, Mar 23
American Airlines Logo
12:10 pm - 8:39 pmCMI  Champaign University-Willard-SAT San Antonio
8h 29m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
11:34 am - 8:25 pmSAT  San Antonio-CMI Champaign University-Willard
8h 51m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$559American Airlines
Tue, Mar 16 - Wed, Mar 24
American Airlines Logo
12:10 pm - 8:39 pmCMI  Champaign University-Willard-SAT San Antonio
8h 29m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
5:20 pm - 10:01 pmSAT  San Antonio-CMI Champaign University-Willard
4h 41m1 stop Dallas/Fort Worth
$560American Airlines
Tue, Mar 16 - Wed, Mar 24
American Airlines Logo
6:03 am - 5:25 pmCMI  Champaign University-Willard-SAT San Antonio
11h 22m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
9:18 am - 6:22 pmSAT  San Antonio-CMI Champaign University-Willard
9h 04m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$565American Airlines
Booking Insights

Price, demand and travel trends for Champaign to San Antonio flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Champaign to San Antonio?

Round-trip flights from Champaign to San Antonio typically range from $400 to $557. The lowest price found in the past 5 days was $450, on American Airlines.

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Key details for Champaign to San Antonio flights

Cheapest flight

$450
Round-trip 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

Your Champaign to San Antonio flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Champaign to San Antonio?

    Two cabin classes are available on flights from Champaign to San Antonio:

    • Economy Class
    • First Class

  • How long is a flight from Champaign to San Antonio?

    There are currently no nonstop flights available from Champaign to San Antonio. Flights with 1 layover take between 6h 02m and 6h 12m in total, depending on the connection.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Champaign to San Antonio changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $450 to $1,237. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available at San Antonio Airport (SAT)?

    San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:

    • Europcar
    • Fox
    • Dollar
    • Hertz
    • Alamo

  • Which airports can I use when flying from Champaign to San Antonio?

    Flights from Champaign to San Antonio usually depart from Champaign University-Willard (CMI) and arrive at San Antonio (SAT).

  • Which airports do connecting flights from Champaign to San Antonio pass through?

    Connecting flights from Champaign to San Antonio most commonly pass through:

    • Dallas/Fort Worth (DFW) - 60% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 40% of one-stop connections

  • Can I save money by using flexible dates for flights from Champaign to San Antonio?

    Yes. Flexible dates can save you up to 29% on flights from Champaign to San Antonio. Wednesday is the cheapest departure day at $400 round-trip on average, while Sunday is the most expensive at $557, a difference of $157.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Champaign to San Antonio?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 6h 02m, compared with 6h 12m via Chicago O'Hare Intl (ORD).

  • What popular places can I visit in San Antonio?

    Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

Your guide to booking Champaign to San Antonio flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Champaign to San Antonio

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