$252 Cheap Flights from Champaign (CMI) to Boston (BOS)

View $252 flight on Tue, Oct 7, 2025Opens in a new window

Popular airlines from Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard) to Logan International Airport (BOS)

Cheap Flights from Champaign to Boston (CMI-BOS)

Prices were available within the past 7 days and start at $252 for one-way flights and $402 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 13 - Wed, Jan 14
CMI
Champaign
BOS
Boston
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 13 from Champaign to Boston, returning Wed, Jan 14, priced at $402 found 1 day ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$404 Roundtrip, found 22 hours ago
$404
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $404 found 22 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$405 Roundtrip, found 22 hours ago
$405
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $405 found 22 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$414 Roundtrip, found 22 hours ago
$414
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $414 found 22 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$415 Roundtrip, found 22 hours ago
$415
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $415 found 22 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$425 Roundtrip, found 22 hours ago
$425
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $425 found 22 hours ago
American Airlines
Wed, Dec 24 - Sat, Jan 3
CMI
Champaign
BOS
Boston
$433 Roundtrip, found 15 hours ago
$433
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Champaign to Boston, returning Sat, Jan 3, priced at $433 found 15 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$441 Roundtrip, found 22 hours ago
$441
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $441 found 22 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
BOS
Boston
$451 Roundtrip, found 22 hours ago
$451
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Boston, returning Tue, Nov 4, priced at $451 found 22 hours ago
American Airlines
Tue, Oct 28 - Sun, Nov 2
CMI
Champaign
BOS
Boston
$456 Roundtrip, found 2 hours ago
$456
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Oct 28 from Champaign to Boston, returning Sun, Nov 2, priced at $456 found 2 hours ago

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $590
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $590

Frequently asked questions

How much does a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS) cost?
Lock in a cheap one-way flight from $252 or cheap return flight from $402 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between CMI and BOS. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CMI to BOS flight.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS)?
You'll need to hop on a flight with a layover when traveling from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CMI to BOS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS)?
Select a flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS) last-minute?
Booking your ticket from CMI to BOS just before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a CMI to BOS flight and hotel package?
Booking a CMI to BOS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of stays and then add flights, activities 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Logan Intl. Airport (BOS)?
In most instances, you can modify or cancel your CMI to BOS flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Logan Intl.
Airlines serving
American Airlines
Roundtrip price
$402
Distance
909 mi

Book with confidence

Book with confidence

Champaign to Boston Flights

The cheapest times to fly from Champaign to Boston

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

 

The best time to book a flight from Champaign to Boston

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

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 Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $252 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 Boston 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 Boston 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.

 

Champaign to Boston Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.