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

View $741 flight on Sun, Aug 31, 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 $648 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, Nov 17 - Sun, Nov 30
CLJ
Cluj-Napoca
ORD
Chicago
$648 Roundtrip, found 3 days ago
$648
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, Nov 17 from Cluj-Napoca to Chicago, returning Sun, Nov 30, priced at $648 found 3 days ago
Swiss International Air Lines
Thu, Sep 18 - Thu, Oct 2
CLJ
Cluj-Napoca
ORD
Chicago
$650 Roundtrip, found 2 days ago
$650
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, Sep 18 from Cluj-Napoca to Chicago, returning Thu, Oct 2, priced at $650 found 2 days ago
Lufthansa
Thu, Sep 18 - Thu, Oct 2
CLJ
Cluj-Napoca
ORD
Chicago
$653 Roundtrip, found 2 days ago
$653
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 18 from Cluj-Napoca to Chicago, returning Thu, Oct 2, priced at $653 found 2 days ago
Lufthansa
Thu, Nov 6 - Fri, Feb 6
CLJ
Cluj-Napoca
ORD
Chicago
$654 Roundtrip, found 3 days ago
$654
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Thu, Nov 6 from Cluj-Napoca to Chicago, returning Fri, Feb 6, priced at $654 found 3 days ago
Swiss International Air Lines
Mon, Oct 27 - Wed, Nov 12
CLJ
Cluj-Napoca
ORD
Chicago
$657 Roundtrip, found 11 hours ago
$657
Roundtrip
found 11 hours ago
Select Swiss International Air Lines flight, departing Mon, Oct 27 from Cluj-Napoca to Chicago, returning Wed, Nov 12, priced at $657 found 11 hours ago
Lufthansa
Mon, Oct 27 - Wed, Nov 12
CLJ
Cluj-Napoca
ORD
Chicago
$658 Roundtrip, found 11 hours ago
$658
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Mon, Oct 27 from Cluj-Napoca to Chicago, returning Wed, Nov 12, priced at $658 found 11 hours ago
Lufthansa
Wed, Sep 17 - Fri, Oct 24
CLJ
Cluj-Napoca
ORD
Chicago
$660 Roundtrip, found 9 hours ago
$660
Roundtrip
found 9 hours ago
Select Lufthansa flight, departing Wed, Sep 17 from Cluj-Napoca to Chicago, returning Fri, Oct 24, priced at $660 found 9 hours ago
Air Canada
Wed, Sep 17 - Wed, Nov 19
CLJ
Cluj-Napoca
ORD
Chicago
$660 Roundtrip, found 6 hours ago
$660
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Wed, Sep 17 from Cluj-Napoca to Chicago, returning Wed, Nov 19, priced at $660 found 6 hours ago
LOT-Polish Airlines
Thu, Nov 13 - Mon, Dec 1
CLJ
Cluj-Napoca
ORD
Chicago
$664 Roundtrip, found 3 days ago
$664
Roundtrip
found 3 days ago
Select LOT-Polish Airlines flight, departing Thu, Nov 13 from Cluj-Napoca to Chicago, returning Mon, Dec 1, priced at $664 found 3 days ago
United
Mon, Oct 20 - Sun, Nov 2
CLJ
Cluj-Napoca
ORD
Chicago
$683 Roundtrip, found 3 days ago
$683
Roundtrip
found 3 days ago
Select United flight, departing Mon, Oct 20 from Cluj-Napoca to Chicago, returning Sun, Nov 2, priced at $683 found 3 days ago

Find the cheapest month to fly from Cluj-Napoca (CLJ) to Chicago (ORD)

February is typically the cheapest month to fly

From $556 - $1,168 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

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

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $863
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $863
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
$647
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 November. 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?
Lock in a cheap one-way flight from $741 or cheap return flight from $648 from Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD) 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 Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from CLJ to ORD is November, when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Cluj-Napoca Airport (CLJ) to O'Hare Intl. Airport (ORD)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from CLJ to ORD. Then, sort your results by "Price (lowest to highest)" to score 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.