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Cheap flights from Champaign to San Antonio from $386

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to San Antonio departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Champaign to San Antonio

Cheap round-trip flights

American Airlines Logo
3:32 pm - 10:13 pmCMI-SAT
6h 41m1 stop
American Airlines Logo
10:19 am - 2:59 pmSAT-CMI
4h 40m1 stop
$386American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
11:17 am - 5:47 pmCMI-SAT
6h 30m2 stops
American Airlines Logo
9:11 am - 2:59 pmSAT-CMI
5h 48m1 stop
$392American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
3:32 pm - 8:51 pmCMI-SAT
5h 19m1 stop
American Airlines Logo
8:00 am - 2:59 pmSAT-CMI
6h 59m1 stop
$412American Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 30
American Airlines Logo
11:17 am - 8:51 pmCMI-SAT
9h 34m2 stops
American Airlines Logo
6:49 pm - 10:47 amSAT-CMI
15h 58m2 stops
$504American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
3:32 pm - 8:51 pmCMI-SAT
5h 19m1 stop
American Airlines Logo
6:49 pm - 10:47 amSAT-CMI
15h 58m2 stops
$525American Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 30
American Airlines Logo
11:17 am - 9:47 pmCMI-SAT
10h 30m2 stops
American Airlines Logo
6:49 pm - 10:47 amSAT-CMI
15h 58m2 stops
$677American Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 30
American Airlines Logo
6:00 am - 11:54 amCMI-SAT
5h 54m1 stop
American Airlines Logo
9:11 am - 3:02 pmSAT-CMI
5h 51m1 stop
$766American Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18
American Airlines Logo
3:32 pm - 11:00 pmCMI-SAT
7h 28m1 stop
American Airlines Logo
9:11 am - 7:26 pmSAT-CMI
10h 15m2 stops
$772American Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18
American Airlines Logo
11:17 am - 9:47 pmCMI-SAT
10h 30m2 stops
American Airlines Logo
9:11 am - 7:26 pmSAT-CMI
10h 15m2 stops
$822American Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 18

American Airlines flights from Champaign to San Antonio

Our best American Airlines deals on Champaign to San Antonio flight tickets
American Airlines
Sep 23
CMI3:32 pmChampaign University-Willard
6h 41m
1 stop
SAT10:13 pmSan Antonio
Sep 30
SAT10:19 amSan Antonio
4h 40m
1 stop
CMI2:59 pmChampaign University-Willard
$386
Find similar
American Airlines
Sep 23
CMI11:17 amChampaign University-Willard
6h 30m
2 stops
SAT5:47 pmSan Antonio
Sep 30
SAT9:11 amSan Antonio
5h 48m
1 stop
CMI2:59 pmChampaign University-Willard
$392
Find similar
American Airlines
Sep 15
CMI3:32 pmChampaign University-Willard
5h 19m
1 stop
SAT8:51 pmSan Antonio
Sep 30
SAT8:00 amSan Antonio
6h 59m
1 stop
CMI2:59 pmChampaign University-Willard
$412
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Champaign to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Champaign to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Tue 9/23

3:32 pm-10:13 pm

1 stop6h 41m

San Antonio

Tue 9/30

10:19 am-2:59 pm

1 stop4h 40m

$386

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Tue 9/23

11:17 am-5:47 pm

2 stops6h 30m

San Antonio

Tue 9/30

9:11 am-2:59 pm

1 stop5h 48m

$392

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

3:32 pm-8:51 pm

1 stop5h 19m

San Antonio

Tue 9/30

8:00 am-2:59 pm

1 stop6h 59m

$412

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Tue 9/23

11:17 am-8:51 pm

2 stops9h 34m

San Antonio

Tue 9/30

6:49 pm-10:47 am

2 stops15h 58m

$504

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

3:32 pm-8:51 pm

1 stop5h 19m

San Antonio

Tue 9/30

6:49 pm-10:47 am

2 stops15h 58m

$525

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

11:17 am-9:47 pm

2 stops10h 30m

San Antonio

Tue 9/30

6:49 pm-10:47 am

2 stops15h 58m

$677

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

6:00 am-11:54 am

1 stop5h 54m

San Antonio

Thu 9/18

9:11 am-3:02 pm

1 stop5h 51m

$766

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

3:32 pm-11:00 pm

1 stop7h 28m

San Antonio

Thu 9/18

9:11 am-7:26 pm

2 stops10h 15m

$772

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Mon 9/15

11:17 am-9:47 pm

2 stops10h 30m

San Antonio

Thu 9/18

9:11 am-7:26 pm

2 stops10h 15m

$822

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Antonio from

How to get the cheapest flight ticket from Champaign to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $426. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Tuesday is $584.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Champaign to San Antonio in the afternoon for as low as $506. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $511. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Champaign to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Champaign to San Antonio (CMI to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Champaign to San Antonio

Direct flights

None
There are no direct flights from Champaign to San Antonio. There are no popular flight routes from Champaign to San Antonio.
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  • How far is Champaign University-Willard to San Antonio by plane?

    There are 942.6 mi between Champaign University-Willard and San Antonio. A reasonable flight in good conditions will take 5h 19m.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to San Antonio Airport?

    Prices for flights from Champaign University-Willard Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Champaign University-Willard Airport to San Antonio Airport?

  • How old do you have to be to fly from Champaign University-Willard Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Champaign University-Willard Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Champaign to San Antonio?

Best airlines flying from Champaign to San Antonio

Compare and see reviews for airlines that fly from Champaign to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $346Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Champaign to San Antonio?

Finding the right flight to San Antonio from Champaign is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Champaign to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Champaign which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Champaign to San Antonio?

momondo helps you find the best flight between Champaign and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Champaign to San Antonio right now. Can momondo alert me if prices change?

Price alerts on flights to San Antonio from Champaign are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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