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

View $350 flight on Tue, Aug 19, 2025Opens in a new window

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

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Cheap Flights from Champaign to Houston (CMI-HOU)

Prices were available within the past 7 days and start at $350 for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Mar 7 - Tue, Mar 10
CMI
Champaign
HOU
Houston
$446 Roundtrip, found 1 day ago
$446
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Mar 7 from Champaign to Houston, returning Tue, Mar 10, priced at $446 found 1 day ago
American Airlines
Tue, Sep 2 - Sat, Sep 6
CMI
Champaign
HOU
Houston
$533 Roundtrip, found 20 hours ago
$533
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Tue, Sep 2 from Champaign to Houston, returning Sat, Sep 6, priced at $533 found 20 hours ago

Find the cheapest month to fly from Champaign (CMI) to Houston (HOU)

November is typically the cheapest month to fly

From $332 - $841 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $526
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $526
Flights from Champaign (CMI) to Houston (HOU)
Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
William P. Hobby
Airlines serving
American Airlines
Roundtrip price
$446
Distance
819 mi

Champaign to Houston Flights

The cheapest times to fly from Champaign to Houston

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 Champaign to Houston are during the month of March. You can find some of the cheapest flights from Champaign to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Champaign to Houston

Sunday is one of the best days to book for cheap flights from Champaign to Houston: 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 Champaign to Houston

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 Champaign to Houston 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 Champaign to Houston 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 Champaign to Houston 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU) cost?
Grab a cheap one-way flight from $350 or cheap return flight from $446 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU)?
The cheapest month to fly from CMI to HOU is March, when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU)?
To find the cheapest airline flying from CMI to HOU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU)?
There are no daily direct flights available from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from CMI to HOU?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU)?
To land at William P. Hobby Airport (HOU) on schedule, choose a flight that leaves from University Of Illinois Urbana-Champaign Williard Airport (CMI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU) last-minute?
Booking your ticket from CMI to HOU shortly before your trip is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a CMI to HOU flight and hotel package?
Opting for a CMI to HOU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to William P. Hobby Airport (HOU)?
Typically, you can modify or cancel your CMI to HOU flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.