$355+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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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
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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
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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 August 27, 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 August 27, 2026.
This American Airlines deal was found by Cheapflights users on 8/26. 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 8/26![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/265:00 am -
2 stops7h 52m
Sun 9/276:41 pm -
1 stop5h 14m
Deal found 8/27![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/87:00 am -
2 stops9h 24m
Sat 9/122:40 pm -
1 stop6h 26m
Deal found 8/24![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/24. 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 12/178:00 am -
2 stops10h 06m
Wed 1/612:21 pm -
2 stops8h 48m
Deal found 8/24![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/112:37 pm -
1 stop5h 58m
Deal found 8/25![American Airlines logo]()
$631
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 August 27, 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 August 27, 2026.
This American Airlines deal was found by Cheapflights users on 8/24. 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 8/24![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/24. 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
Wed 1/62:39 pm -
1 stop5h 10m
Deal found 8/24![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/269:37 am -
1 stop4h 33m
Sun 9/276:41 pm -
1 stop5h 14m
Deal found 8/27![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/81:33 pm -
1 stop6h 55m
Sat 9/122:40 pm -
1 stop7h 19m
Deal found 8/24![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/112:37 pm -
1 stop5h 58m
Deal found 8/25![American Airlines logo]()
$631
Last-minute flights from San Antonio to ChampaignDiscover last-minute flight deals from San Antonio to Champaign. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Champaign. Data last updated August 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/24. 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 9/87:00 am -
2 stops9h 24m
Sat 9/122:40 pm -
1 stop6h 26m
Deal found 8/24![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/269:37 am -
1 stop4h 33m
Sun 9/276:41 pm -
1 stop5h 14m
Deal found 8/27![American Airlines logo]()
$355
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $355 (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 August 27, 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
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 12/17
7:00 am-2:01 pm
1 stop7h 01m
Champaign University-Willard
Wed 1/6
2:39 pm-7:49 pm
1 stop5h 10m
$355
Quickest round-trip
San AntonioChampaign
SAT San Antonio - CMI Champaign University-Willard
SATCMI
San Antonio
Sat 9/26
9:37 am-2:10 pm
1 stop4h 33m
Champaign University-Willard
Sun 9/27
6:41 pm-11:55 pm
1 stop5h 14m
$355
San AntonioChampaign
SAT San Antonio - CMI Champaign University-Willard
SATCMI
San Antonio
Tue 9/8
1:33 pm-8:28 pm
1 stop6h 55m
Champaign University-Willard
Sat 9/12
2:40 pm-9:59 pm
1 stop7h 19m
$499
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
2:37 pm-8:35 pm
1 stop5h 58m
$631
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 August 27, 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
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Crew
7.9
Boarding
7.5
Comfort
7.2
Entertainment
6.8
Food
6.4
Overall
7.1
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
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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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$530 | FlexibilityNo cancel fee | On-time71% |