$556 Cheap Flights from Chicago (ORD) to Nis (INI)

View $556 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Nis (INI-Constantine the Great)

Cheap Flights from Chicago to Nis (ORD-INI)

Prices were available within the past 7 days and start at $556 for one-way flights and $591 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$591 Roundtrip, found 2 days ago
$591
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $591 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$621 Roundtrip, found 2 days ago
$621
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $621 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$628 Roundtrip, found 2 days ago
$628
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $628 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $658 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$664 Roundtrip, found 2 days ago
$664
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $664 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$792 Roundtrip, found 2 days ago
$792
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $792 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$822 Roundtrip, found 2 days ago
$822
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $822 found 2 days ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$828 Roundtrip, found 2 days ago
$828
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $828 found 2 days ago
Turkish Airlines
Thu, Jan 1 - Tue, Jan 13
ORD
Chicago
INI
Niš
$835 Roundtrip, found 1 day ago
$835
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Thu, Jan 1 from Chicago to Niš, returning Tue, Jan 13, priced at $835 found 1 day ago
Turkish Airlines
Wed, Jan 21 - Wed, Jan 28
ORD
Chicago
INI
Niš
$919 Roundtrip, found 2 days ago
$919
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, Jan 21 from Chicago to Niš, returning Wed, Jan 28, priced at $919 found 2 days ago
Flights from Chicago (ORD) to Nis (INI)
Origin airport
O'Hare Intl.
Destination airport
Constantine the Great
Airlines serving
Turkish Airlines
Roundtrip price
$591
Distance
5110 mi

Chicago to Nis Flights

The cheapest times to fly from Chicago to Nis

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

 

The best time to book a flight from Chicago to Nis

Sunday is one of the best days to book for cheap flights from Chicago to Nis: 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 Chicago to Nis

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 Chicago to Nis in 2026. You can also book with separate airlines for your outbound and return journeys, from $556 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 Chicago to Nis 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 Chicago to Nis 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 O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI) cost?
Grab a cheap one-way flight from $556 or cheap return flight from $591 from O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI) 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 O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI)?
The cheapest month to fly from ORD to INI is January, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI)?
To find the cheapest airline that'll fly you from ORD to INI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI)?
Nonstop flights from O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to INI?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending 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 O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI) route, aim to travel before 3 PM. Later flights 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 O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI) last-minute?
Waiting until just before your departure to book a flight from ORD to INI generally means paying more. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book an ORD to INI flight and hotel package?
Booking an ORD to INI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Constantine the Great Airport (INI)?
In most instances, you can modify or cancel your ORD to INI flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.