$211 Cheap Flights from Champaign (CMI) to Chicago (ORD)

View $211 flight on Wed, Feb 11, 2026Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Chicago O'Hare Intl. Airport (ORD)

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Cheap Flights from Champaign to Chicago (CMI-ORD)

Prices were available within the past 7 days and start at $211 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jul 4 - Sat, Jul 5
CMI
Champaign
ORD
Chicago
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from Champaign to Chicago, returning Sat, Jul 5, priced at $295 found 3 days ago
American Airlines
Fri, Jul 4 - Sat, Jul 5
CMI
Champaign
ORD
Chicago
$305 Roundtrip, found 3 days ago
$305
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from Champaign to Chicago, returning Sat, Jul 5, priced at $305 found 3 days ago
American Airlines
Sat, Oct 4 - Thu, Oct 16
CMI
Champaign
ORD
Chicago
$328 Roundtrip, just found
$328
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 4 from Champaign to Chicago, returning Thu, Oct 16, priced at $328 just found
American Airlines
Sat, Oct 4 - Thu, Oct 16
CMI
Champaign
ORD
Chicago
$338 Roundtrip, just found
$338
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 4 from Champaign to Chicago, returning Thu, Oct 16, priced at $338 just found
American Airlines
Thu, Aug 21 - Tue, Aug 26
CMI
Champaign
ORD
Chicago
$347 Roundtrip, found 4 days ago
$347
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug 21 from Champaign to Chicago, returning Tue, Aug 26, priced at $347 found 4 days ago
American Airlines
Fri, Jul 4 - Sat, Jul 5
CMI
Champaign
ORD
Chicago
$355 Roundtrip, found 3 days ago
$355
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from Champaign to Chicago, returning Sat, Jul 5, priced at $355 found 3 days ago
American Airlines
Tue, Aug 5 - Sat, Aug 23
CMI
Champaign
ORD
Chicago
$355 Roundtrip, found 9 hours ago
$355
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Champaign to Chicago, returning Sat, Aug 23, priced at $355 found 9 hours ago
American Airlines
Mon, Dec 29 - Fri, Jan 2
CMI
Champaign
ORD
Chicago
$361 Roundtrip, found 9 hours ago
$361
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Mon, Dec 29 from Champaign to Chicago, returning Fri, Jan 2, priced at $361 found 9 hours ago
American Airlines
Fri, Jul 4 - Sat, Jul 5
CMI
Champaign
ORD
Chicago
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jul 4 from Champaign to Chicago, returning Sat, Jul 5, priced at $364 found 3 days ago
American Airlines
Fri, Oct 10 - Sun, Oct 26
CMI
Champaign
ORD
Chicago
$371 Roundtrip, found 10 hours ago
$371
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Oct 10 from Champaign to Chicago, returning Sun, Oct 26, priced at $371 found 10 hours ago

Find the cheapest month to fly from Champaign (CMI) to Chicago (ORD)

November is typically the cheapest month to fly

From $205 - $689 per traveler.

Graph displaying average flight prices per month

Flights from Champaign (CMI) to Chicago (ORD)
Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
O'Hare Intl.
Airlines serving
American Airlines
Roundtrip price
$295
Distance
135 mi
Average flight time
1 hour 7 mins

Champaign to Chicago Flights

The cheapest times to fly from Champaign to Chicago

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

 

The best time to book a flight from Champaign to Chicago

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

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 Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $211 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 Chicago 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 Chicago 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 O'Hare Intl. Airport (ORD) cost?
Book cheap return flights starting at $328 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving CMI on July 6 2025 and touching down at ORD. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from CMI to ORD?
The cheapest flights from CMI to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
Hop on a direct flight with American Airlines and head straight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD).
What is the cheapest airline that flies from CMI to ORD?
With prices as low as $375 for a one-way journey from CMI to ORD, American Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMI on August 18 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
When departing from University Of Illinois Urbana-Champaign Williard Airport (CMI), you can pick from an average of 2 daily direct flights to O'Hare Intl. Airport (ORD).
What are the most popular departure times for flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
The 12 PM departures from CMI to ORD are the most sought after. These flights can come with a higher price due to their popularity. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from CMI to ORD?
Saturday has the most flights from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD). Consider jetting off on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
The earliest flight leaving University Of Illinois Urbana-Champaign Williard Airport (CMI) is at around 6:01AM UTC-6. Catch this flight and you'll land at O'Hare Intl. Airport (ORD) at approximately 7:12AM UTC-6. The total travel time is 1h 11m.
How long does it take to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
The average flight time from CMI to ORD is 1 hour and 10 minutes, covering a distance of 140 mi.
What airline has the least delays from CMI to ORD?
Consider booking with United Airlines if you'd like to fly straight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
Select a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Chicago from University Of Illinois Urbana-Champaign Williard Airport (CMI)?
If you're traveling on a direct flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Chicago, O'Hare Intl. Airport (ORD) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until right before your break to book a ticket from CMI to ORD often results in higher prices. While you might find some last-minute deals, there's no guarantee. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a CMI to ORD flight and hotel package?
You'll generally save money by booking a CMI to ORD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to O'Hare Intl. Airport (ORD)?
Usually, it's possible to reschedule or cancel your CMI to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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