$790 Cheap Flights from Istanbul (IST) to Champaign (CMI)

View $790 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Istanbul Airport (IST) to Champaign, IL (CMI-University Of Illinois Urbana-Champaign Williard)

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Cheap Flights from Istanbul to Champaign (IST-CMI)

Prices were available within the past 7 days and start at $790 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Istanbul (IST) to Champaign (CMI)
Origin airport
Istanbul
Destination airport
University Of Illinois Urbana-Champaign Williard
Distance
5570 mi

Istanbul to Champaign Flights

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

 

The best time to book a flight from Istanbul to Champaign

Sunday is one of the best days to book for cheap flights from Istanbul 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 Istanbul 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 Istanbul to Champaign in 2025. You can also book with separate airlines for your outbound and return journeys, from $790 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 Istanbul 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 Istanbul 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 Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI) cost?
Discover the latest flight deals from IST 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 IST to CMI?
The cheapest flights from IST 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 IST to CMI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IST to CMI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
There are no daily nonstop flights departing from Istanbul (IST) 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 on your way in no time at all.
What day of the week has the most flights from IST to CMI?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, carrier 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 Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
To avoid possible delays on the Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI) route, fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI) last-minute?
Booking your ticket from IST to CMI shortly before your trip is usually more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an IST to CMI flight and hotel package?
You can save money by booking an IST 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 everything in one place. After selecting your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Istanbul (IST) to University Of Illinois Urbana-Champaign Williard Airport (CMI)?
You can usually reschedule or cancel your IST to CMI flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.