HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Champaign

$489+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(American Airlines)
Provider with most accurate pricing for San Antonio-Champaign University-Willard flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Champaign University-Willard flights.
Search Deals
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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/71:41 pmSAT - CMI
1 stop7h 49mAmerican Airlines
Sun 11/96:45 amCMI - SAT
1 stop5h 18mAmerican Airlines
Deal found 10/30$558
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/710:33 amSAT - CMI
2 stops8h 53mAmerican Airlines
Sat 11/811:14 amCMI - SAT
2 stops7h 42mAmerican Airlines
Deal found 10/29$569

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 October 30, 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

Sat 4/11

6:48 pm-10:40 pm

1 stop3h 52m

Champaign University-Willard

Wed 4/15

6:44 pm-11:26 pm

1 stop4h 42m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from San Antonio to Champaign

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Champaign in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Champaign flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Champaign flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Champaign flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Champaign flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Champaign flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $166). Flying from San Antonio to Champaign in April is currently the most expensive (average of $328). 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.

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.

  • How long is the flight from San Antonio to Champaign?

    There are many flights that can get you from San Antonio to Champaign in 3h 52m. Fly via American Airlines to get the fastest option. The distance between San Antonio and Champaign is about 926 mi.

  • 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 $166). Flying from San Antonio to Champaign in April is currently the most expensive (average of $328). 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 Champaign?

Book flights to Champaign if you plan to visit one of these locations
Urbana
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 Midway flights
George Bush Intcntl to O'Hare Intl flights
Hobby to O'Hare Intl flights
Austin to O'Hare Intl flights
Love Field to O'Hare Intl flights
Dallas/Fort Worth to St. Louis flights
George Bush Intcntl to Midway flights
Hobby to St. Louis flights
Love Field to Midway flights
Austin to Midway flights
George Bush Intcntl to St. Louis flights
San Antonio to O'Hare Intl flights
Love Field to St. Louis flights
El Paso to O'Hare Intl flights
Austin to St. Louis flights
Dallas/Fort Worth to Peoria flights
San Antonio to Midway flights
San Antonio to St. Louis flights
Dallas/Fort Worth to Moline flights
El Paso to Midway flights
Midland to O'Hare Intl flights
McAllen to O'Hare Intl flights
Dallas/Fort Worth to Bloomington flights
Hobby to Bloomington flights
Hobby to Peoria flights
Harlingen to O'Hare Intl flights
George Bush Intcntl to Peoria flights
George Bush Intcntl to Bloomington flights
El Paso to St. Louis flights
Austin to Moline flights
Corpus Christi to O'Hare Intl flights
George Bush Intcntl to Decatur flights
Dallas/Fort Worth to Decatur flights
Hobby to Springfield flights
San Antonio to Peoria flights
George Bush Intcntl to Springfield flights
San Antonio to Moline flights
Austin to Peoria flights
Dallas/Fort Worth to Evansville flights
Lubbock to O'Hare Intl flights
Amarillo to O'Hare Intl flights
McAllen to Midway flights
Hobby to Champaign flights
Dallas/Fort Worth to Champaign flights
Love Field to Bloomington flights
Love Field to Evansville flights
Hobby to Moline flights

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.