$345+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
Jul 4 — Jul 111
Round-trip
1 adult, Economy
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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 June 4, 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 June 4, 2026.
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 7/225:35 pm
SAT
- CMI
1 stop4h 24m
American Airlines
Sun 7/266:36 pm
CMI
- SAT
1 stop5h 34m
American Airlines
Deal found 6/3![American Airlines logo]()
$345
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 June 4, 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 June 4, 2026.
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/225:35 pm
SAT
- CMI
1 stop4h 24m
American Airlines
Sun 7/266:36 pm
CMI
- SAT
1 stop5h 34m
American Airlines
Deal found 6/1![American Airlines logo]()
$345
Last-minute flights from San Antonio to ChampaignDiscover last-minute flight deals from San Antonio to Champaign. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Champaign. Data last updated June 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 7/225:35 pm
SAT
- CMI
1 stop4h 24m
American Airlines
Sun 7/266:36 pm
CMI
- SAT
1 stop5h 34m
American Airlines
Deal found 6/3![American Airlines logo]()
$345
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 June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (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 June 4, 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
Wed 7/22
5:35 pm-9:59 pm
1 stop4h 24m
Champaign University-Willard
Sun 7/26
6:36 pm-12:10 am
1 stop5h 34m
$345
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.
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 June 4, 2026.
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.
Crew
7.9
Comfort
7.2
Overall
7.1
Entertainment
6.9
Food
6.4
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Crew
7.9
Comfort
7.2
Overall
7.1
Entertainment
6.9
Food
6.4
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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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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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$530 | FlexibilityNo cancel fee | On-time71% |