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$499+ 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
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
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 December 16, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 12/319:32 amSAT - CMI
1 stop4h 55mAmerican Airlines
Sun 1/42:57 pmCMI - SAT
1 stop5h 44mAmerican Airlines
Deal found 12/16$527

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$527
(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 December 16, 2025.
Use the filters below to find and compare flights from San Antonio to Champaign that are best for you.

Fly from

San Antonio

Fly to

Champaign

Route

Depart

Return

Price

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Wed 12/31

9:32 am-2:27 pm

1 stop4h 55m

Champaign University-Willard

Sun 1/4

2:57 pm-8:41 pm

1 stop5h 44m

$527

San AntonioChampaign

SAT - CMI

SATCMI

San Antonio

Mon 12/29

3:00 pm-8:37 pm

1 stop5h 37m

Champaign University-Willard

Fri 1/2

2:57 pm-9:50 pm

1 stop6h 53m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Compare providers for flights from San Antonio to Champaign

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Champaign in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Champaign flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Champaign flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 January is currently the most expensive (average of $360). 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 December 16, 2025.
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
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

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
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

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 4h 55m. Fly via American Airlines to get the fastest option. The distance between San Antonio and Champaign is about 926 mi.

  • What is the cheapest airline to fly from San Antonio to Champaign round-trip?

    Currently priced at $392, American Airlines will fly you from San Antonio to Champaign and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

  • 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 January is currently the most expensive (average of $360). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$392Average$502FlexibilityNo cancel feeOn-time71%

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