$350 Cheap Flights from Houston (HOU) to Champaign (CMI)

View $350 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Houston to Champaign (HOU-CMI)

Prices were available within the past 7 days and start at $350 for one-way flights and $461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 11 - Sun, Feb 15
HOU
Houston
CMI
Champaign
$461 Roundtrip, found 11 hours ago
$461
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Feb 11 from Houston to Champaign, returning Sun, Feb 15, priced at $461 found 11 hours ago
American Airlines
Mon, Dec 22 - Tue, Dec 30
HOU
Houston
CMI
Champaign
$507 Roundtrip, found 2 days ago
$507
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Houston to Champaign, returning Tue, Dec 30, priced at $507 found 2 days ago
American Airlines
Mon, Dec 22 - Tue, Dec 30
HOU
Houston
CMI
Champaign
$520 Roundtrip, found 2 days ago
$520
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 22 from Houston to Champaign, returning Tue, Dec 30, priced at $520 found 2 days ago
American Airlines
Wed, Sep 10 - Sun, Sep 14
HOU
Houston
CMI
Champaign
$535 Roundtrip, found 5 days ago
$535
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 10 from Houston to Champaign, returning Sun, Sep 14, priced at $535 found 5 days ago

Alternative airports near Champaign

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to University Of Illinois Urbana-Champaign Williard CMI. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $541
CMI
University Of Illinois Urbana-Champaign Williard
CheapestClosest
Average driving time to city center11 min
Flights from $541
Flights from Houston (HOU) to Champaign (CMI)
Origin airport
William P. Hobby
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$461
Distance
819 mi

Houston to Champaign Flights

The cheapest times to fly from Houston to Champaign

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Champaign are during the month of February. You can find some of the cheapest flights from Houston to Champaign with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Champaign

Sunday is one of the best days to book for cheap flights from Houston to Champaign: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Champaign

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $350 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Champaign flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Champaign airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Lock in a cheap one-way flight from $350 or cheap return flight from $461 from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
February is the least expensive month to fly from HOU to CMI. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from HOU to CMI. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Nonstop flights from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HOU to CMI?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid possible delays on the William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute fares from HOU to CMI are generally more expensive. For the lowest prices, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a HOU to CMI flight and hotel package?
Compared with arranging flights and hotels separately, booking a HOU to CMI flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Typically, you can cancel or modify your HOU to CMI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.