$250 Cheap Flights from Philadelphia (PHL) to Champaign (CMI)

View $250 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

Cheap Flights from Philadelphia to Champaign (PHL-CMI)

Prices were available within the past 7 days and start at $250 for one-way flights and $370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $370 found 1 day ago
American Airlines
Sat, May 16 - Mon, May 18
PHL
Philadelphia
CMI
Champaign
$410 Roundtrip, found 3 days ago
$410
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, May 16 from Philadelphia to Champaign, returning Mon, May 18, priced at $410 found 3 days ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$417 Roundtrip, found 4 days ago
$417
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $417 found 4 days ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $429 found 1 day ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $440 found 1 day ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$450 Roundtrip, found 1 day ago
$450
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $450 found 1 day ago
American Airlines
Thu, Oct 23 - Sun, Oct 26
PHL
Philadelphia
CMI
Champaign
$450 Roundtrip, found 1 day ago
$450
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Philadelphia to Champaign, returning Sun, Oct 26, priced at $450 found 1 day ago
American Airlines
Thu, Oct 9 - Tue, Oct 14
PHL
Philadelphia
CMI
Champaign
$455 Roundtrip, found 4 days ago
$455
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 9 from Philadelphia to Champaign, returning Tue, Oct 14, priced at $455 found 4 days ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
PHL
Philadelphia
CMI
Champaign
$460 Roundtrip, found 1 day ago
$460
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Philadelphia to Champaign, returning Wed, Nov 26, priced at $460 found 1 day ago
American Airlines
Sat, May 16 - Mon, May 18
PHL
Philadelphia
CMI
Champaign
$469 Roundtrip, found 3 days ago
$469
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, May 16 from Philadelphia to Champaign, returning Mon, May 18, priced at $469 found 3 days ago

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Snag a cheap one-way flight from $250 or cheap return flight from $370 from Philadelphia Intl. Airport (PHL) 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 Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
November is the most affordable month to fly from PHL to CMI. Timing your trip outside of the busy season is often the key to better flight prices.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To find the cheapest airline flying from PHL to CMI, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
There are no daily direct flights from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from PHL to CMI?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
Opt for a flight from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 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 Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Holding off until just before your trip to book a ticket from PHL to CMI generally means paying more. While you might find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a PHL to CMI flight and hotel package?
Securing a PHL to CMI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
In most cases, you can modify or cancel your PHL to CMI flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Philadelphia Intl.
Destination airport
University Of Illinois Urbana-Champaign Williard
Airlines serving
American Airlines
Roundtrip price
$370
Distance
689 mi

Book with confidence

Book with confidence

Philadelphia to Champaign Flights

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

 

The best time to book a flight from Philadelphia to Champaign

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $250 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 Philadelphia 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 Philadelphia 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.

 

Philadelphia to Champaign Flights

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*Available to One Key members.