$280+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
Oct 8 — Oct 151
Round-trip
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
Cheapest
Best
Last-minute
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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/165:47 pm -
1 stop4h 15m
Wed 1/612:06 pm -
1 stop6h 03m
Deal found 9/7![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/229:37 am -
1 stop4h 34m
Sat 9/266:41 pm -
1 stop5h 14m
Deal found 9/7![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/177:00 am -
1 stop7h 01m
Tue 1/56:43 pm -
1 stop5h 16m
Deal found 9/7![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/114:27 pm -
1 stop5h 19m
Sun 9/136:41 pm -
1 stop5h 14m
Deal found 9/4![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/83:09 pm -
1 stop5h 16m
Sun 10/1112:38 pm -
2 stops10h 19m
Deal found 9/3![American Airlines logo]()
$701
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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/165:47 pm -
1 stop4h 15m
Wed 1/612:06 pm -
1 stop6h 03m
Deal found 9/7![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/177:00 am -
1 stop7h 01m
Tue 1/56:43 pm -
1 stop5h 16m
Deal found 9/7![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/83:09 pm -
1 stop5h 16m
Sun 10/1112:38 pm -
2 stops10h 19m
Deal found 9/3![American Airlines logo]()
$701
Last-minute flights from San Antonio to ChampaignDiscover last-minute flight deals from San Antonio to Champaign. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Champaign. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/114:27 pm -
1 stop5h 19m
Sun 9/136:41 pm -
1 stop5h 14m
Deal found 9/4![American Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/229:37 am -
1 stop4h 34m
Sat 9/266:41 pm -
1 stop5h 14m
Deal found 9/7![American Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/83:09 pm -
1 stop5h 16m
Sun 10/1112:38 pm -
2 stops10h 19m
Deal found 9/3![American Airlines logo]()
$701
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $280 (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 7,457,451 searches. Data last updated September 8, 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 San Antonio - CMI Champaign University-Willard
SATCMI
San Antonio
Wed 12/16
5:47 pm-10:02 pm
1 stop4h 15m
Champaign University-Willard
Wed 1/6
12:06 pm-6:09 pm
1 stop6h 03m
$280
San AntonioChampaign
SAT San Antonio - CMI Champaign University-Willard
SATCMI
San Antonio
Thu 12/17
7:00 am-2:01 pm
1 stop7h 01m
Champaign University-Willard
Tue 1/5
6:43 pm-11:59 pm
1 stop5h 16m
$355
San AntonioChampaign
SAT San Antonio - CMI Champaign University-Willard
SATCMI
San Antonio
Thu 10/8
3:09 pm-8:25 pm
1 stop5h 16m
Champaign University-Willard
Sun 10/11
12:38 pm-10:57 pm
2 stops10h 19m
$701
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 September 8, 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.
Comfort
7.2
Food
6.4
Entertainment
6.8
Crew
7.9
Overall
7.1
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Comfort
7.2
Food
6.4
Entertainment
6.8
Crew
7.9
Overall
7.1
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
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
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
Champaign flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Antonio
Popular flights
Alternative routes for San Antonio to Champaign
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Champaign
Explore flights to Champaign departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Complete your trip
Complete your trip to Champaign by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to Champaign by cabin class
Find flights from San Antonio to Champaign, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Antonio and Champaign flights
Browse other San Antonio and Champaign flight options. Last updated on September 8, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$530 | FlexibilityNo cancel fee | On-time71% |