$741 Cheap Flights from Cluj-Napoca (CLJ) to Chicago (ORD)

View $741 flight on Sun, Jul 6, 2025Opens in a new window

Popular airlines from Cluj-Napoca (CLJ) to Chicago O'Hare Intl. Airport (ORD)

Cheap Flights from Cluj-Napoca to Chicago (CLJ-ORD)

Prices were available within the past 7 days and start at $741 for one-way flights and $572 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Dec 7 - Mon, Dec 8
CLJ
Cluj-Napoca
ORD
Chicago
$572 Roundtrip, found 6 days ago
$572
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 7 from Cluj-Napoca to Chicago, returning Mon, Dec 8, priced at $572 found 6 days ago
United
Sun, Dec 7 - Tue, Dec 9
CLJ
Cluj-Napoca
ORD
Chicago
$578 Roundtrip, found 6 days ago
$578
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 7 from Cluj-Napoca to Chicago, returning Tue, Dec 9, priced at $578 found 6 days ago
LOT-Polish Airlines
Wed, Dec 10 - Mon, Dec 29
CLJ
Cluj-Napoca
ORD
Chicago
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Wed, Dec 10 from Cluj-Napoca to Chicago, returning Mon, Dec 29, priced at $663 found 6 days ago
LOT-Polish Airlines
Sat, Oct 25 - Mon, Nov 10
CLJ
Cluj-Napoca
ORD
Chicago
$670 Roundtrip, found 15 hours ago
$670
Roundtrip
found 15 hours ago
Select LOT-Polish Airlines flight, departing Sat, Oct 25 from Cluj-Napoca to Chicago, returning Mon, Nov 10, priced at $670 found 15 hours ago
LOT-Polish Airlines
Sat, May 9 - Mon, May 11
CLJ
Cluj-Napoca
ORD
Chicago
$671 Roundtrip, found 1 day ago
$671
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Sat, May 9 from Cluj-Napoca to Chicago, returning Mon, May 11, priced at $671 found 1 day ago
LOT-Polish Airlines
Wed, Dec 3 - Sun, Dec 7
CLJ
Cluj-Napoca
ORD
Chicago
$680 Roundtrip, found 6 days ago
$680
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Wed, Dec 3 from Cluj-Napoca to Chicago, returning Sun, Dec 7, priced at $680 found 6 days ago
LOT-Polish Airlines
Sat, May 9 - Mon, May 11
CLJ
Cluj-Napoca
ORD
Chicago
$688 Roundtrip, found 1 day ago
$688
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Sat, May 9 from Cluj-Napoca to Chicago, returning Mon, May 11, priced at $688 found 1 day ago
Turkish Airlines
Wed, Dec 3 - Thu, Dec 4
CLJ
Cluj-Napoca
ORD
Chicago
$698 Roundtrip, found 6 days ago
$698
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Wed, Dec 3 from Cluj-Napoca to Chicago, returning Thu, Dec 4, priced at $698 found 6 days ago
Swiss International Air Lines
Thu, Dec 11 - Fri, Jan 9
CLJ
Cluj-Napoca
ORD
Chicago
$708 Roundtrip, found 6 days ago
$708
Roundtrip
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, Dec 11 from Cluj-Napoca to Chicago, returning Fri, Jan 9, priced at $708 found 6 days ago
Lufthansa
Thu, Dec 11 - Fri, Jan 9
CLJ
Cluj-Napoca
ORD
Chicago
$711 Roundtrip, found 6 days ago
$711
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Dec 11 from Cluj-Napoca to Chicago, returning Fri, Jan 9, priced at $711 found 6 days ago
Flights from Cluj-Napoca (CLJ) to Chicago (ORD)
Origin airport
Cluj-Napoca
Destination airport
O'Hare Intl.
Airlines serving
Air Canada, Air France, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$572
Distance
5011 mi

Cluj-Napoca to Chicago Flights

The cheapest times to fly from Cluj-Napoca to Chicago

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

 

The best time to book a flight from Cluj-Napoca to Chicago

Sunday is one of the best days to book for cheap flights from Cluj-Napoca to Chicago: 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 Cluj-Napoca to Chicago

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 Cluj-Napoca to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $741 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 Cluj-Napoca to Chicago 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 Cluj-Napoca to Chicago 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 Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD) cost?
Discover the latest flight deals from CLJ to ORD 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 CLJ to ORD?
The cheapest flights from CLJ to ORD 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 CLJ to ORD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CLJ to ORD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD)?
Nonstop flights from Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CLJ to ORD?
Typically 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 season, airline 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 Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD)?
To avoid potential delays on the Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD) route, fly before 3 PM. Later departures 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 Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until right before your break to book your flight from CLJ to ORD generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a CLJ to ORD flight and hotel package?
Opting for a CLJ to ORD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of hotels 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 Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD)?
In most instances, you can cancel or modify your CLJ to ORD flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.