$455+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
May 29 — Jun 51
Round-trip
1 adult, Economy
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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
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Cheapest flights from San Antonio to ChampaignExplore 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 April 29, 2026.
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 April 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/16:04 am
SAT
- CMI
1 stop5h 03m
American Airlines
Sun 7/196:36 pm
CMI
- SAT
1 stop5h 34m
American Airlines
Deal found 4/27![American Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:18 pm
SAT
- CMI
2 stops7h 41m
United Airlines
Sun 7/191:32 pm
CMI
- SAT
2 stops9h 10m
United Airlines
Deal found 4/27![United Airlines logo]()
$765
Best flights from San Antonio to ChampaignDiscover carefully curated flight deals from San Antonio to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from San Antonio to Champaign that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/16:04 am
SAT
- CMI
1 stop5h 03m
American Airlines
Sun 7/196:36 pm
CMI
- SAT
1 stop5h 34m
American Airlines
Deal found 4/27![American Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:18 pm
SAT
- CMI
2 stops7h 41m
United Airlines
Sun 7/191:32 pm
CMI
- SAT
2 stops9h 10m
United Airlines
Deal found 4/27![United Airlines logo]()
$765
One-way flights from San Antonio to ChampaignSearch for one-way flight options from San Antonio to Champaign. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from San Antonio to Champaign. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/129:36 am
SAT
- CMI
1 stop4h 55m
American Airlines
Deal found 4/28![American Airlines logo]()
$489
Find 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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $455 (American Airlines) |
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 April 29, 2026.
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
Cheapest round-trip
Quickest round-trip
San AntonioChampaign
SAT - CMI
SATCMI
San Antonio
Mon 6/1
6:04 am-11:07 am
1 stop5h 03m
Champaign University-Willard
Sun 7/19
6:36 pm-12:10 am
1 stop5h 34m
$455
San AntonioChampaign
SAT - CMI
SATCMI
San Antonio
Mon 6/1
4:18 pm-11:59 pm
2 stops7h 41m
Champaign University-Willard
Sun 7/19
1:32 pm-10:42 pm
2 stops9h 10m
$765
Cheapest one-way
Quickest one-way
San AntonioChampaign
SAT - CMI
SATCMI
San Antonio
Tue 5/12
9:36 am-2:31 pm
1 stop4h 55m
$489
Sorted by cheapest first
- Most accurate provider: When it comes to deals on San Antonio-Champaign flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Champaign flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAT-CMI
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.
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.
Traveling to a place near Champaign?
Book flights to Champaign if you plan to visit one of these locationsUrbana
Danville
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