HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Champaign

$422+ Cheap flights from San Antonio to Champaign (SAT - CMI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Champaign with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Antonio to Champaign

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Champaign (CMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$422
(American Airlines)
From San Antonio to Champaign University-Willard
Search Deals

Find flight deals from San Antonio to Champaign

Cheapest flights from San Antonio to Champaign
Explore the most affordable flight options available from San Antonio to Champaign. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:25 pmSAT - CMI
1 stop7h 05mAmerican Airlines
Sat 8/22:51 pmCMI - SAT
2 stops9h 07mAmerican Airlines
Deal found 7/1$422

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from San Antonio to Champaign that are best for you.

Fly from

San Antonio

Fly to

Champaign

Route

Depart

Return

Price

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Thu 7/31

1:25 pm-8:30 pm

1 stop7h 05m

Champaign University-Willard

Sat 8/2

2:51 pm-11:58 pm

2 stops9h 07m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from San Antonio to Champaign

Have a flexible travel schedule? Discover the best time to fly to Champaign from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from San Antonio to Champaign?

Currently, August is the cheapest month in which you can book a flight from San Antonio to Champaign (average of $384). Flying from San Antonio to Champaign in June is currently the most expensive (average of $547). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Champaign

Get insights into the airlines that provide service to Champaign. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Champaign. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown American Airlines from San Antonio to Champaign. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Champaign. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from San Antonio to Champaign round-trip?

    Currently priced at $422, American Airlines will fly you from San Antonio to Champaign and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from San Antonio to Champaign that include hotel bookings?

    Yes. In addition to deals on San Antonio to Champaign flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Champaign?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Champaign.

  • Can I find deals for business class flights from San Antonio to Champaign?

    Yes. Cheapflights offers flight deals from San Antonio to Champaign by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Champaign?

    Currently, August is the cheapest month in which you can book a flight from San Antonio to Champaign (average of $384). Flying from San Antonio to Champaign in June is currently the most expensive (average of $547). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
Danville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Champaign

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Midway flights
Hobby to O'Hare Intl flights
Austin to O'Hare Intl flights
George Bush Intcntl to O'Hare Intl flights
Hobby to Midway flights
Love Field to O'Hare Intl flights
Austin to Midway flights
Love Field to Midway flights
San Antonio to O'Hare Intl flights
Dallas/Fort Worth to St. Louis flights
George Bush Intcntl to Midway flights
Hobby to St. Louis flights
George Bush Intcntl to St. Louis flights
El Paso to O'Hare Intl flights
San Antonio to Midway flights
Love Field to St. Louis flights
El Paso to Midway flights
Austin to St. Louis flights
Dallas/Fort Worth to Moline flights
Dallas/Fort Worth to Bloomington flights
Corpus Christi to O'Hare Intl flights
McAllen to O'Hare Intl flights
San Antonio to St. Louis flights
Dallas/Fort Worth to Peoria flights
El Paso to St. Louis flights
Austin to Rockford flights
Harlingen to O'Hare Intl flights
Hobby to Bloomington flights
Love Field to Bloomington flights
Lubbock to St. Louis flights
Dallas/Fort Worth to Decatur flights
McAllen to Midway flights
Midland to O'Hare Intl flights
Lubbock to O'Hare Intl flights
George Bush Intcntl to Peoria flights
Laredo to O'Hare Intl flights
George Bush Intcntl to Bloomington flights
Hobby to Peoria flights
George Bush Intcntl to Decatur flights
Austin to Moline flights
Austin to Decatur flights
San Antonio to Bloomington flights
Hobby to Moline flights
Brownsville to O'Hare Intl flights
San Antonio to Peoria flights
Love Field to Moline flights
Austin to Peoria flights
George Bush Intcntl to Moline flights

Top airline flying from San Antonio to Champaign

Discover the top airline that operate flights from San Antonio to Champaign. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$486FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.