$162 Cheap Flights from Las Vegas (LAS) to Champaign (CMI)

View $162 flight on Thu, Jul 31, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Las Vegas to Champaign (LAS-CMI)

Prices were available within the past 7 days and start at $162 for one-way flights and $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$324 Roundtrip, found 12 hours ago
$324
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $324 found 12 hours ago
American Airlines
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$385 Roundtrip, found 12 hours ago
$385
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $385 found 12 hours ago
American Airlines
Wed, Jul 23 - Mon, Jul 28
LAS
Las Vegas
CMI
Champaign
$396 Roundtrip, found 7 hours ago
$396
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Jul 23 from Las Vegas to Champaign, returning Mon, Jul 28, priced at $396 found 7 hours ago
American Airlines
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$404 Roundtrip, found 12 hours ago
$404
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $404 found 12 hours ago
American Airlines
Tue, Aug 5 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$410 Roundtrip, found 12 hours ago
$410
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $410 found 12 hours ago
American Airlines
Sun, Aug 24 - Thu, Sep 11
LAS
Las Vegas
CMI
Champaign
$415 Roundtrip, found 5 days ago
$415
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Aug 24 from Las Vegas to Champaign, returning Thu, Sep 11, priced at $415 found 5 days ago
American Airlines
Wed, Oct 22 - Sun, Oct 26
LAS
Las Vegas
CMI
Champaign
$432 Roundtrip, found 2 days ago
$432
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 22 from Las Vegas to Champaign, returning Sun, Oct 26, priced at $432 found 2 days ago
American Airlines
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$435 Roundtrip, found 12 hours ago
$435
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $435 found 12 hours ago
American Airlines
Sat, Jul 5 - Sat, Jul 12
LAS
Las Vegas
CMI
Champaign
$435 Roundtrip, found 5 days ago
$435
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jul 5 from Las Vegas to Champaign, returning Sat, Jul 12, priced at $435 found 5 days ago
American Airlines
Thu, Aug 7 - Sun, Aug 10
LAS
Las Vegas
CMI
Champaign
$442 Roundtrip, found 12 hours ago
$442
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Aug 7 from Las Vegas to Champaign, returning Sun, Aug 10, priced at $442 found 12 hours ago

Find the cheapest month to fly from Las Vegas (LAS) to Champaign (CMI)

September is typically the cheapest month to fly

From $200 - $727 per traveler.

Graph displaying average flight prices per month

Flights from Las Vegas (LAS) to Champaign (CMI)
Origin airport
Harry Reid Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$324
Distance
1481 mi

Las Vegas to Champaign Flights

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

 

The best time to book a flight from Las Vegas to Champaign

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Las Vegas 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 Las Vegas to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 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 Las Vegas 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 Las Vegas 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 Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Discover the latest flight deals from LAS to CMI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LAS to CMI?
The cheapest flights from LAS to CMI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LAS to CMI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LAS to CMI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You'll have to take a flight with a layover when traveling from Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from LAS to CMI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, aim to travel before 3 PM. Departures after this time 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 Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your ticket from LAS to CMI right before your journey is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a LAS to CMI flight and hotel package?
You'll typically save money by booking a LAS 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, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
In most instances, you can reschedule or cancel your LAS to CMI flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further information, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.