$218 Cheap Flights from Champaign (CMI) to Jacksonville (JAX)

View $218 flight on Sat, Nov 8, 2025Opens in a new window

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

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Cheap Flights from Champaign to Jacksonville (CMI-JAX)

Prices were available within the past 7 days and start at $218 for one-way flights and $410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 8 - Tue, Oct 14
CMI
Champaign
JAX
Jacksonville
$410 Roundtrip, found 14 hours ago
$410
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Champaign to Jacksonville, returning Tue, Oct 14, priced at $410 found 14 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
JAX
Jacksonville
$423 Roundtrip, found 20 hours ago
$423
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Jacksonville, returning Tue, Nov 4, priced at $423 found 20 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
CMI
Champaign
JAX
Jacksonville
$436 Roundtrip, found 20 hours ago
$436
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Jacksonville, returning Mon, Nov 3, priced at $436 found 20 hours ago
American Airlines
Thu, Oct 30 - Tue, Nov 4
CMI
Champaign
JAX
Jacksonville
$437 Roundtrip, found 5 days ago
$437
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Jacksonville, returning Tue, Nov 4, priced at $437 found 5 days ago
American Airlines
Wed, Oct 8 - Wed, Oct 15
CMI
Champaign
JAX
Jacksonville
$449 Roundtrip, found 2 hours ago
$449
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Champaign to Jacksonville, returning Wed, Oct 15, priced at $449 found 2 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
CMI
Champaign
JAX
Jacksonville
$450 Roundtrip, found 3 days ago
$450
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Oct 30 from Champaign to Jacksonville, returning Mon, Nov 3, priced at $450 found 3 days ago
American Airlines
Wed, May 20 - Tue, May 26
CMI
Champaign
JAX
Jacksonville
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, May 20 from Champaign to Jacksonville, returning Tue, May 26, priced at $455 found 1 day ago
American Airlines
Wed, Oct 8 - Wed, Oct 15
CMI
Champaign
JAX
Jacksonville
$459 Roundtrip, found 2 hours ago
$459
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Champaign to Jacksonville, returning Wed, Oct 15, priced at $459 found 2 hours ago
American Airlines
Wed, May 20 - Tue, May 26
CMI
Champaign
JAX
Jacksonville
$465 Roundtrip, found 1 day ago
$465
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, May 20 from Champaign to Jacksonville, returning Tue, May 26, priced at $465 found 1 day ago
American Airlines
Wed, Oct 8 - Tue, Oct 14
CMI
Champaign
JAX
Jacksonville
$469 Roundtrip, found 14 hours ago
$469
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Oct 8 from Champaign to Jacksonville, returning Tue, Oct 14, priced at $469 found 14 hours ago

Alternative airports near Jacksonville

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

Select flight to Jacksonville Intl. JAX. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $490
JAX
Jacksonville Intl.
Cheapest
Average driving time to city center19 min
Flights from $490
Flights from Champaign (CMI) to Jacksonville (JAX)
Origin airport
University Of Illinois Urbana-Champaign Williard
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines
Roundtrip price
$410
Distance
756 mi

Champaign to Jacksonville Flights

The cheapest times to fly from Champaign to Jacksonville

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

 

The best time to book a flight from Champaign to Jacksonville

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

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 Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $218 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 Jacksonville 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 Jacksonville 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX) cost?
Get a cheap one-way flight from $218 or cheap return flight from $410 from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX) 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 Jacksonville Intl. Airport (JAX)?
The cheapest month to fly from CMI to JAX is October, when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CMI to JAX flight.
How many flights per day from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX)?
There aren't any daily nonstop flights departing from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from CMI to JAX?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX)?
To avoid possible delays on the University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX) route, aim to fly before 3 PM. Flights 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 University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX) last-minute?
Holding off until just before your departure to book a flight from CMI to JAX often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a CMI to JAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a CMI to JAX flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from University Of Illinois Urbana-Champaign Williard Airport (CMI) to Jacksonville Intl. Airport (JAX)?
Typically, you can cancel or modify your CMI to JAX flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.