$183 Cheap Flights from Baltimore (BWI) to Champaign (CMI)

View $183 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Baltimore to Champaign (BWI-CMI)

Prices were available within the past 7 days and start at $183 for one-way flights and $300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 2 - Mon, Oct 6
BWI
Baltimore
CMI
Champaign
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct 2 from Baltimore to Champaign, returning Mon, Oct 6, priced at $300 found 6 days ago
American Airlines
Wed, Oct 8 - Sat, Oct 18
BWI
Baltimore
CMI
Champaign
$328 Roundtrip, found 5 days ago
$328
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct 8 from Baltimore to Champaign, returning Sat, Oct 18, priced at $328 found 5 days ago
American Airlines
Mon, Oct 6 - Sat, Oct 18
BWI
Baltimore
CMI
Champaign
$349 Roundtrip, found 5 days ago
$349
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 6 from Baltimore to Champaign, returning Sat, Oct 18, priced at $349 found 5 days ago
American Airlines
Tue, Oct 28 - Wed, Nov 5
BWI
Baltimore
CMI
Champaign
$366 Roundtrip, found 1 day ago
$366
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 28 from Baltimore to Champaign, returning Wed, Nov 5, priced at $366 found 1 day ago
American Airlines
Mon, Oct 6 - Mon, Oct 20
BWI
Baltimore
CMI
Champaign
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 6 from Baltimore to Champaign, returning Mon, Oct 20, priced at $370 found 5 days ago
American Airlines
Thu, Oct 2 - Mon, Oct 6
BWI
Baltimore
CMI
Champaign
$386 Roundtrip, found 6 days ago
$386
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct 2 from Baltimore to Champaign, returning Mon, Oct 6, priced at $386 found 6 days ago
American Airlines
Fri, Oct 24 - Tue, Oct 28
BWI
Baltimore
CMI
Champaign
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Baltimore to Champaign, returning Tue, Oct 28, priced at $391 found 2 days ago
American Airlines
Sun, Nov 2 - Sat, Nov 15
BWI
Baltimore
CMI
Champaign
$393 Roundtrip, found 5 days ago
$393
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Nov 2 from Baltimore to Champaign, returning Sat, Nov 15, priced at $393 found 5 days ago
American Airlines
Mon, Oct 20 - Fri, Nov 7
BWI
Baltimore
CMI
Champaign
$398 Roundtrip, found 5 days ago
$398
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 20 from Baltimore to Champaign, returning Fri, Nov 7, priced at $398 found 5 days ago
American Airlines
Tue, Oct 28 - Wed, Nov 5
BWI
Baltimore
CMI
Champaign
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 28 from Baltimore to Champaign, returning Wed, Nov 5, priced at $402 found 1 day ago

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Get a cheap one-way flight from $183 or cheap return flight from $300 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
October is the cheapest month to fly from BWI to CMI. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from BWI to CMI. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
There aren't any daily direct flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BWI to CMI?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To touch down at University Of Illinois Urbana-Champaign Williard Airport (CMI) without delays, pick a flight that leaves from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Last-minute bookings from BWI to CMI are typically more expensive. To lock in the cheapest rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a BWI to CMI flight and hotel package?
You can save money by booking a BWI to CMI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You can usually reschedule or cancel your BWI to CMI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$300
Distance
619 mi

Book with confidence

Book with confidence

Baltimore to Champaign Flights

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

 

The best time to book a flight from Baltimore to Champaign

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $183 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 Baltimore 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 Baltimore 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.

 

Baltimore to Champaign Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.