$648 Cheap Flights from Redmond (RDM) to Champaign (CMI)

View $648 flight on Sat, Dec 20, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

Cheap Flights from Redmond to Champaign (RDM-CMI)

Prices were available within the past 7 days and start at $648 for one-way flights and $1,185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 19 - Wed, Dec 24
RDM
Redmond
CMI
Champaign
$1,185 Roundtrip, found 2 days ago
$1,185
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 19 from Redmond to Champaign, returning Wed, Dec 24, priced at $1,185 found 2 days ago
American Airlines
Tue, Dec 23 - Wed, Dec 24
RDM
Redmond
CMI
Champaign
$1,238 Roundtrip, found 2 days ago
$1,238
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 23 from Redmond to Champaign, returning Wed, Dec 24, priced at $1,238 found 2 days ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,368 Roundtrip, found 1 day ago
$1,368
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,368 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,414 Roundtrip, found 1 day ago
$1,414
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,414 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,568 Roundtrip, found 1 day ago
$1,568
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,568 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,624 Roundtrip, found 1 day ago
$1,624
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,624 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,829 Roundtrip, found 1 day ago
$1,829
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,829 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,868 Roundtrip, found 1 day ago
$1,868
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,868 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$1,874 Roundtrip, found 1 day ago
$1,874
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $1,874 found 1 day ago
American Airlines
Mon, Dec 22 - Thu, Dec 25
RDM
Redmond
CMI
Champaign
$2,215 Roundtrip, found 1 day ago
$2,215
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 22 from Redmond to Champaign, returning Thu, Dec 25, priced at $2,215 found 1 day ago

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Grab a cheap one-way flight from $648 or cheap return flight from $1,185 from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
The cheapest month to fly from RDM to CMI is December, when demand is low. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To find the cheapest airline flying from RDM to CMI, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Direct flights from Robert's Field Airport (RDM) 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 our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RDM to CMI?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To arrive at University Of Illinois Urbana-Champaign Williard Airport (CMI) on schedule, book a flight that leaves Robert's Field Airport (RDM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute fares from RDM to CMI are generally more expensive. To secure the lowest prices, start looking for flights as early as possible. That being said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book a RDM to CMI flight and hotel package?
You'll typically save money by securing a RDM to CMI 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 it all in one place. After choosing your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Typically, it's possible to reschedule or cancel your RDM to CMI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Robert's Field
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$1,185
Distance
1698 mi

Book with confidence

Redmond to Champaign Flights

The cheapest times to fly from Redmond 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 Redmond to Champaign are during the month of December. You can find some of the cheapest flights from Redmond to Champaign with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to Champaign

Sunday is one of the best days to book for cheap flights from Redmond 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 Redmond 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 Redmond to Champaign in 2026. You can also book with separate airlines for your outbound and return journeys, from $648 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 Redmond 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 Redmond 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.

 

Redmond to Champaign Flights

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*Available to One Key members.