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Cheap flights from Champaign to San Antonio from $338

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 6/12. 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

Enter your travel dates to find the best prices.
United Airlines Logo
9:49 am - 4:00 pm
CMI
-
SAT
6h 11m
1 stop
United Airlines Logo
5:24 pm - 11:59 pm
SAT
-
CMI
6h 35m
1 stop
$338United Airlines
Fri, Jun 12 - Sun, Jun 14
United Airlines Logo
6:30 am - 3:33 pm
CMI
-
SAT
9h 03m
2 stops
United Airlines Logo
5:24 pm - 11:59 pm
SAT
-
CMI
6h 35m
1 stop
$344United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
6:30 am - 12:07 pm
CMI
-
SAT
5h 37m
1 stop
United Airlines Logo
6:49 am - 12:50 pm
SAT
-
CMI
6h 01m
1 stop
$397United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
9:49 am - 4:00 pm
CMI
-
SAT
6h 11m
1 stop
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$403United Airlines
Fri, Jun 12 - Sun, Jun 14
United Airlines Logo
6:30 am - 3:33 pm
CMI
-
SAT
9h 03m
2 stops
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$408United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
9:49 am - 8:58 pm
CMI
-
SAT
11h 09m
2 stops
United Airlines Logo
6:49 am - 12:50 pm
SAT
-
CMI
6h 01m
1 stop
$418United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
8:43 pm - 12:42 pm
CMI
-
SAT
15h 59m
2 stops
United Airlines Logo
6:49 am - 12:50 pm
SAT
-
CMI
6h 01m
1 stop
$432United Airlines
Fri, Jun 5 - Sun, Jun 7
United Airlines Logo
9:49 am - 8:58 pm
CMI
-
SAT
11h 09m
2 stops
United Airlines Logo
6:49 am - 12:50 pm
SAT
-
CMI
6h 01m
1 stop
$450United Airlines
Fri, Jun 5 - Sun, Jun 7
United Airlines Logo
9:49 am - 7:43 pm
CMI
-
SAT
9h 54m
2 stops
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$469United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
9:49 am - 8:58 pm
CMI
-
SAT
11h 09m
2 stops
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$484United Airlines
Fri, May 29 - Sun, May 31

American Airlines flights from Champaign to San Antonio

Our best American Airlines deals on Champaign to San Antonio flight tickets
American Airlines
Feb 10
CMI3:45 pmChampaign University-Willard
7h 13m
1 stop
SAT10:58 pmSan Antonio
Feb 12
SAT1:40 pmSan Antonio
7h 14m
1 stop
CMI8:54 pmChampaign University-Willard
$770
American Airlines
Mar 15
CMI6:46 amChampaign University-Willard
15h 33m
1 stop
SAT10:19 pmSan Antonio
Mar 21
SAT5:00 amSan Antonio
6h 31m
2 stops
CMI11:31 amChampaign University-Willard
$773
American Airlines
Feb 10
CMI11:21 amChampaign University-Willard
10h 39m
2 stops
SAT10:00 pmSan Antonio
Feb 12
SAT1:40 pmSan Antonio
7h 14m
1 stop
CMI8:54 pmChampaign University-Willard
$776

United Airlines flights from Champaign to San Antonio

Our best United Airlines deals on Champaign to San Antonio flight tickets
United Airlines
Jun 5
CMI9:49 amChampaign University-Willard
6h 11m
1 stop
SAT4:00 pmSan Antonio
Jun 7
SAT6:49 amSan Antonio
6h 01m
1 stop
CMI12:50 pmChampaign University-Willard
$338
United Airlines
May 29
CMI6:30 amChampaign University-Willard
5h 37m
1 stop
SAT12:07 pmSan Antonio
May 31
SAT6:49 amSan Antonio
6h 01m
1 stop
CMI12:50 pmChampaign University-Willard
$397
United Airlines
Jun 12
CMI9:49 amChampaign University-Willard
6h 11m
1 stop
SAT4:00 pmSan Antonio
Jun 14
SAT5:30 amSan Antonio
7h 20m
2 stops
CMI12:50 pmChampaign University-Willard
$403

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 February 9, 2026.
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

Fri 6/12

9:49 am-4:00 pm

1 stop6h 11m

San Antonio

Sun 6/14

5:24 pm-11:59 pm

1 stop6h 35m

$338

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

6:30 am-3:33 pm

2 stops9h 03m

San Antonio

Sun 5/31

5:24 pm-11:59 pm

1 stop6h 35m

$344

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

6:30 am-12:07 pm

1 stop5h 37m

San Antonio

Sun 5/31

6:49 am-12:50 pm

1 stop6h 01m

$397

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 6/12

9:49 am-4:00 pm

1 stop6h 11m

San Antonio

Sun 6/14

5:30 am-12:50 pm

2 stops7h 20m

$403

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

6:30 am-3:33 pm

2 stops9h 03m

San Antonio

Sun 5/31

5:30 am-12:50 pm

2 stops7h 20m

$408

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

9:49 am-8:58 pm

2 stops11h 09m

San Antonio

Sun 5/31

6:49 am-12:50 pm

1 stop6h 01m

$418

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 6/5

8:43 pm-12:42 pm

2 stops15h 59m

San Antonio

Sun 6/7

6:49 am-12:50 pm

1 stop6h 01m

$432

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 6/5

9:49 am-8:58 pm

2 stops11h 09m

San Antonio

Sun 6/7

6:49 am-12:50 pm

1 stop6h 01m

$450

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

9:49 am-7:43 pm

2 stops9h 54m

San Antonio

Sun 5/31

5:30 am-12:50 pm

2 stops7h 20m

$469

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

9:49 am-8:58 pm

2 stops11h 09m

San Antonio

Sun 5/31

5:30 am-12:50 pm

2 stops7h 20m

$484

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

6h 11m

Direct flights

None
The fastest flight from Champaign to San Antonio takes 6h 11m
There are no direct flights from Champaign to San Antonio. There are no popular flight routes from Champaign to San Antonio.
Search flight deals

  • 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 6h 11m.

  • 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 $306Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from Champaign to San Antonio?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Champaign from San Antonio. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Champaign to San Antonio with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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
Pleasanton
Schertz

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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