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Cheap flights from San Antonio to Champaign from $403

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Champaign departing on 1/2. 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 San Antonio to Champaign

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:00 pm - 8:37 pm
SAT
-
CMI
5h 37m1 stop
American Airlines Logo
3:45 pm - 8:50 pm
CMI
-
SAT
5h 05m1 stop
$512American Airlines
Sat, Jan 3 - Wed, Jan 7
American Airlines Logo
8:21 am - 2:39 pm
SAT
-
CMI
6h 18m1 stop
American Airlines Logo
6:00 am - 2:16 pm
CMI
-
SAT
8h 16m2 stops
$518American Airlines
Sat, Jan 3 - Wed, Jan 7
American Airlines Logo
3:00 pm - 9:30 pm
SAT
-
CMI
6h 30m2 stops
American Airlines Logo
6:00 am - 2:16 pm
CMI
-
SAT
8h 16m2 stops
$711American Airlines
Sat, Jan 3 - Wed, Jan 7

American Airlines flights from San Antonio to Champaign

Our best American Airlines deals on San Antonio to Champaign flight tickets
American Airlines
Dec 25
SAT8:21 amSan Antonio
6h 06m
1 stop
CMI2:27 pmChampaign University-Willard
Dec 31
CMI6:00 amChampaign University-Willard
7h 04m
1 stop
SAT1:04 pmSan Antonio
$469
Find similar
American Airlines
Dec 25
SAT8:21 amSan Antonio
6h 06m
1 stop
CMI2:27 pmChampaign University-Willard
Dec 31
CMI6:00 amChampaign University-Willard
9h 53m
2 stops
SAT3:53 pmSan Antonio
$475
Find similar
American Airlines
Dec 25
SAT6:41 amSan Antonio
10h 59m
2 stops
CMI5:40 pmChampaign University-Willard
Dec 31
CMI6:00 amChampaign University-Willard
10h 53m
2 stops
SAT4:53 pmSan Antonio
$480
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Champaign 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 December 21, 2025.
Use the filters below to find and compare flights from San Antonio to Champaign that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Sat 1/3

3:00 pm-8:37 pm

1 stop5h 37m

Champaign University-Willard

Wed 1/7

3:45 pm-8:50 pm

1 stop5h 05m

$512

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Sat 1/3

8:21 am-2:39 pm

1 stop6h 18m

Champaign University-Willard

Wed 1/7

6:00 am-2:16 pm

2 stops8h 16m

$518

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Sat 1/3

3:00 pm-9:30 pm

2 stops6h 30m

Champaign University-Willard

Wed 1/7

6:00 am-2:16 pm

2 stops8h 16m

$711

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Fri 1/2

9:32 am-2:27 pm

1 stop4h 55m

$403

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Fri 1/2

8:21 am-6:40 pm

2 stops10h 19m

$409

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Champaign from

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

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 airline that flies from San Antonio to Champaign University-Willard?

American Airlines is the most popular carrier operating from San Antonio to Champaign University-Willard

When to book flights from San Antonio to Champaign

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

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

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

Fastest flight time

5h 37m

Direct flights

None
The fastest flight from San Antonio to Champaign takes 5h 37m
There are no direct flights from San Antonio to Champaign. There are no popular flight routes from San Antonio to Champaign.
Search flight deals

  • How far is San Antonio to Champaign University-Willard by plane?

    The straight-line distance from San Antonio to Champaign University-Willard is 942.6 mi. A reasonable flight in good conditions will take 5h 37m.

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

    Prices for flights from San Antonio Airport to Champaign University-Willard Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Champaign University-Willard Airport.

  • What documentation or ID do you need to fly to Champaign University-Willard Airport?

    The necessary travel and health documents for your Champaign University-Willard Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Champaign

Compare and see reviews for airlines that fly from San Antonio to Champaign with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $392Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Traveling to a place near Champaign?

Book flights to Champaign if you plan to visit one of these locations
Danville
Urbana

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Champaign. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Antonio to Champaign with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Antonio to Champaign flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Antonio to Champaign flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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