CMI - SAT

$355 Find Cheap Flights from Champaign to San Antonio - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$355
Typical prices: $381-$557
American Airlines
Thu 11/1Wed 11/7
CMI - SAT • 1 stop
Cheapest one-way
$494
Typical prices: $383-$458
American Airlines
Sat 9/29
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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Flight Deals

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

Sun, Nov 1 - Sat, Nov 7
American Airlines Logo
2:32 pm - 9:59 pmCMI  Champaign University-Willard-SAT San Antonio
7h 27m1 stop Dallas/Fort Worth
American Airlines Logo
7:15 am - 2:51 pmSAT  San Antonio-CMI Champaign University-Willard
7h 36m1 stop Chicago O'Hare Intl
$355American Airlines
Sun, Nov 1 - Sat, Nov 7
American Airlines Logo
2:32 pm - 9:59 pmCMI  Champaign University-Willard-SAT San Antonio
7h 27m1 stop Dallas/Fort Worth
American Airlines Logo
11:35 am - 8:21 pmSAT  San Antonio-CMI Champaign University-Willard
8h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$361American Airlines
Wed, Sep 23 - Thu, Oct 1
American Airlines Logo
2:41 pm - 7:50 pmCMI  Champaign University-Willard-SAT San Antonio
5h 09m1 stop Dallas/Fort Worth
American Airlines Logo
7:28 am - 12:52 pmSAT  San Antonio-CMI Champaign University-Willard
5h 24m1 stop Chicago O'Hare Intl
$391American Airlines
Thu, Oct 1 - Wed, Oct 7
American Airlines Logo
6:41 pm - 11:55 pmCMI  Champaign University-Willard-SAT San Antonio
5h 14m1 stop Chicago O'Hare Intl
American Airlines Logo
9:20 am - 2:07 pmSAT  San Antonio-CMI Champaign University-Willard
4h 47m1 stop Dallas/Fort Worth
$391American Airlines
Thu, Oct 1 - Wed, Oct 7
American Airlines Logo
6:41 pm - 11:55 pmCMI  Champaign University-Willard-SAT San Antonio
5h 14m1 stop Chicago O'Hare Intl
American Airlines Logo
7:10 am - 12:08 pmSAT  San Antonio-CMI Champaign University-Willard
4h 58m1 stop Chicago O'Hare Intl
$391American Airlines
Thu, Oct 1 - Wed, Oct 7
American Airlines Logo
1:23 pm - 10:50 pmCMI  Champaign University-Willard-SAT San Antonio
9h 27m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
9:20 am - 2:07 pmSAT  San Antonio-CMI Champaign University-Willard
4h 47m1 stop Dallas/Fort Worth
$397American Airlines
Wed, Sep 23 - Thu, Oct 1
American Airlines Logo
2:41 pm - 7:50 pmCMI  Champaign University-Willard-SAT San Antonio
5h 09m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 12:52 pmSAT  San Antonio-CMI Champaign University-Willard
6h 52m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$397American Airlines
Thu, Oct 1 - Wed, Oct 7
American Airlines Logo
1:23 pm - 10:50 pmCMI  Champaign University-Willard-SAT San Antonio
9h 27m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
7:10 am - 12:08 pmSAT  San Antonio-CMI Champaign University-Willard
4h 58m1 stop Chicago O'Hare Intl
$397American Airlines
Wed, Sep 23 - Thu, Oct 1
American Airlines Logo
1:23 pm - 9:59 pmCMI  Champaign University-Willard-SAT San Antonio
8h 36m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
6:00 am - 12:52 pmSAT  San Antonio-CMI Champaign University-Willard
6h 52m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$402American Airlines
Thu, Oct 1 - Wed, Oct 7
American Airlines Logo
1:23 pm - 10:50 pmCMI  Champaign University-Willard-SAT San Antonio
9h 27m2 stops Chicago O'Hare Intl Dallas/Fort Worth
American Airlines Logo
5:00 am - 12:08 pmSAT  San Antonio-CMI Champaign University-Willard
7h 08m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$419American 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 from Champaign to San Antonio with more confidence.

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

Round-trip flights from Champaign to San Antonio start at $355. Prices are below average for this route right now, with typical round-trip fares ranging from $381 to $557. The lowest price found in the past 5 days was $355 on American Airlines.

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Key details for Champaign to San Antonio flights

Cheapest flight

$355
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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

  • 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
    Together, these airports account for 100% of one-stop bookings on this route.

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

    Yes. Being flexible with your travel dates can save you up to 29% on the Champaign to San Antonio route. 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.

  • 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.

  • 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 $355 to $1,322. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Champaign to San Antonio looking right now?

    One-way fares from Champaign to San Antonio are currently higher than usual. Average one-way flight prices are about $497, which is 29% above the typical average for this route.

  • 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 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

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.

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

Information on your arrival and departure airports

Champaign (CMI)
San Antonio (SAT)