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Cheap flights from Champaign to San Antonio from $328

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 6/18. 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
6:30 am - 12:12 pm
CMI
-
SAT
5h 42m
1 stop
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$328United Airlines
Thu, Jun 18 - Wed, Jun 24
United Airlines Logo
9:49 am - 4:03 pm
CMI
-
SAT
6h 14m
1 stop
United Airlines Logo
6:44 am - 12:50 pm
SAT
-
CMI
6h 06m
1 stop
$402United Airlines
Fri, Jun 19 - Mon, Jun 22
United Airlines Logo
6:30 am - 12:12 pm
CMI
-
SAT
5h 42m
1 stop
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$408United Airlines
Fri, May 29 - Sun, May 31
United Airlines Logo
1:32 pm - 10:42 pm
CMI
-
SAT
9h 10m
2 stops
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$414United Airlines
Wed, Jun 24 - Sun, Jul 5
United Airlines Logo
9:49 am - 4:03 pm
CMI
-
SAT
6h 14m
1 stop
United Airlines Logo
6:47 am - 12:50 pm
SAT
-
CMI
6h 03m
1 stop
$415United Airlines
Tue, May 26 - Sat, May 30
United Airlines Logo
9:49 am - 7:50 pm
CMI
-
SAT
10h 01m
2 stops
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$419United Airlines
Wed, May 27 - Sat, Jun 6
United Airlines Logo
9:49 am - 4:03 pm
CMI
-
SAT
6h 14m
1 stop
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$423United Airlines
Sun, Jun 28 - Thu, Jul 9
United Airlines Logo
1:32 pm - 10:42 pm
CMI
-
SAT
9h 10m
2 stops
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$429United Airlines
Thu, Jun 25 - Thu, Jul 9
United Airlines Logo
1:32 pm - 10:42 pm
CMI
-
SAT
9h 10m
2 stops
United Airlines Logo
5:30 am - 12:50 pm
SAT
-
CMI
7h 20m
2 stops
$434United Airlines
Wed, Jun 24 - Sun, Jul 5
United Airlines Logo
9:49 am - 4:03 pm
CMI
-
SAT
6h 14m
1 stop
United Airlines Logo
6:40 am - 12:50 pm
SAT
-
CMI
6h 10m
1 stop
$438United Airlines
Sun, Jun 28 - Fri, Jul 10

United Airlines flights from Champaign to San Antonio

Our best United Airlines deals on Champaign to San Antonio flight tickets
United Airlines
Jun 18
CMI6:30 amChampaign University-Willard
5h 42m
1 stop
SAT12:12 pmSan Antonio
Jun 24
SAT6:40 amSan Antonio
6h 10m
1 stop
CMI12:50 pmChampaign University-Willard
$328
United Airlines
Jun 19
CMI9:49 amChampaign University-Willard
6h 14m
1 stop
SAT4:03 pmSan Antonio
Jun 22
SAT6:44 amSan Antonio
6h 06m
1 stop
CMI12:50 pmChampaign University-Willard
$402
United Airlines
May 29
CMI6:30 amChampaign University-Willard
5h 42m
1 stop
SAT12:12 pmSan Antonio
May 31
SAT6:40 amSan Antonio
6h 10m
1 stop
CMI12:50 pmChampaign University-Willard
$408

American Airlines flights from Champaign to San Antonio

Our best American Airlines deals on Champaign to San Antonio flight tickets
American Airlines
May 29
CMI6:09 amChampaign University-Willard
8h 47m
2 stops
SAT2:56 pmSan Antonio
May 31
SAT6:04 amSan Antonio
5h 06m
1 stop
CMI11:10 amChampaign University-Willard
$472
American Airlines
May 29
CMI6:09 amChampaign University-Willard
8h 47m
2 stops
SAT2:56 pmSan Antonio
May 31
SAT10:00 amSan Antonio
8h 14m
2 stops
CMI6:14 pmChampaign University-Willard
$507
American Airlines
May 23
CMI6:44 pmChampaign University-Willard
5h 12m
1 stop
SAT11:56 pmSan Antonio
Jun 2
SAT1:28 pmSan Antonio
7h 40m
1 stop
CMI9:08 pmChampaign University-Willard
$526

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 March 28, 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

Cheapest round-trip
Quickest round-trip

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Thu 6/18

6:30 am-12:12 pm

1 stop5h 42m

San Antonio

Wed 6/24

6:40 am-12:50 pm

1 stop6h 10m

$328

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 6/19

9:49 am-4:03 pm

1 stop6h 14m

San Antonio

Mon 6/22

6:44 am-12:50 pm

1 stop6h 06m

$402

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Fri 5/29

6:30 am-12:12 pm

1 stop5h 42m

San Antonio

Sun 5/31

6:40 am-12:50 pm

1 stop6h 10m

$408

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Wed 6/24

1:32 pm-10:42 pm

2 stops9h 10m

San Antonio

Sun 7/5

6:40 am-12:50 pm

1 stop6h 10m

$414

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Tue 5/26

9:49 am-4:03 pm

1 stop6h 14m

San Antonio

Sat 5/30

6:47 am-12:50 pm

1 stop6h 03m

$415

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Wed 5/27

9:49 am-7:50 pm

2 stops10h 01m

San Antonio

Sat 6/6

5:30 am-12:50 pm

2 stops7h 20m

$419

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Sun 6/28

9:49 am-4:03 pm

1 stop6h 14m

San Antonio

Thu 7/9

6:40 am-12:50 pm

1 stop6h 10m

$423

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Thu 6/25

1:32 pm-10:42 pm

2 stops9h 10m

San Antonio

Thu 7/9

6:40 am-12:50 pm

1 stop6h 10m

$429

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Wed 6/24

1:32 pm-10:42 pm

2 stops9h 10m

San Antonio

Sun 7/5

5:30 am-12:50 pm

2 stops7h 20m

$434

ChampaignSan Antonio

CMI - SAT

CMISAT

Champaign University-Willard

Sun 6/28

9:49 am-4:03 pm

1 stop6h 14m

San Antonio

Fri 7/10

6:40 am-12:50 pm

1 stop6h 10m

$438

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

5h 42m

Direct flights

None
The fastest flight from Champaign to San Antonio takes 5h 42m
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 5h 42m.

  • 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
7.1
11,507 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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