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$390+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — CMI
May 9 — May 161
Sat 5/9
Sat 5/16
1 adult, Economy
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Cheap 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 April 9, 2026.

This American Airlines deal was found by Cheapflights users on 4/6. 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 4/236:26 am
SAT
-
CMI
1 stop7h 42m
American Airlines
Wed 5/66:58 pm
CMI
-
SAT
1 stop5h 01m
American Airlines
Deal found 4/6$390
This American Airlines deal was found by Cheapflights users on 4/9. 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 5/133:11 pm
SAT
-
CMI
1 stop5h 46m
American Airlines
Mon 5/186:55 pm
CMI
-
SAT
1 stop5h 04m
American Airlines
Deal found 4/9$493

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 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$390
(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
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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 9, 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

Price

Cheapest round-trip

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Thu 4/23

6:26 am-2:08 pm

1 stop7h 42m

Champaign University-Willard

Wed 5/6

2:38 pm-10:51 pm

2 stops8h 13m

$432
Quickest round-trip

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Wed 5/13

10:06 am-6:24 pm

2 stops8h 18m

Champaign University-Willard

Mon 5/18

6:55 pm-11:59 pm

1 stop5h 04m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

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.
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 March is currently the most expensive (average of $338). 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.

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 April 9, 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.
American Airlines
7.1
Good
11,563 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

7.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.1
Good
11,563 reviews
American Airlines
7.1
Good
11,563 reviews

Food

6.4

Comfort

7.2

Entertainment

6.9

Crew

7.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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 7h 42m. 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 March is currently the most expensive (average of $338). 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

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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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$392Average$495FlexibilityNo cancel feeOn-time71%

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