Cheap flights from Chicago O'Hare Intl Airport to Cluj Napoca from $336
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Cluj Napoca departing on 3/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Turkish Airlines flights from Chicago O'Hare Intl Airport to Cluj Napoca
Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Cluj Napoca flight tickets
LOT flights from Chicago O'Hare Intl Airport to Cluj Napoca
Our best LOT deals on Chicago O'Hare Intl Airport to Cluj Napoca flight tickets
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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cluj Napoca that are best for you.
Fly from
Fly to
Route
Depart
Return
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Mon 11/9
11:45 am-8:35 pm
1 stop24h 50m
Cluj Napoca
Wed 11/25
9:55 am-6:20 pm
1 stop16h 25m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Tue 10/20
11:25 am-8:15 pm
1 stop24h 50m
Cluj Napoca
Tue 10/27
9:25 pm-11:00 am
1 stop20h 35m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Fri 1/29
9:50 pm-12:50 pm
1 stop31h 00m
Cluj Napoca
Tue 2/16
6:00 pm-7:55 pm
1 stop33h 55m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Thu 12/3
9:50 pm-1:15 pm
1 stop31h 25m
Cluj Napoca
Tue 2/23
6:00 pm-7:55 pm
1 stop33h 55m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Mon 11/2
9:50 pm-1:05 am
1 stop19h 15m
Cluj Napoca
Mon 11/9
3:15 pm-4:15 pm
1 stop33h 00m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Fri 1/29
12:40 pm-1:50 pm
2 stops17h 10m
Cluj Napoca
Tue 2/16
6:10 am-6:25 pm
1 stop20h 15m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Fri 1/29
8:58 am-1:50 pm
3 stops20h 52m
Cluj Napoca
Tue 2/16
6:10 am-6:25 pm
1 stop20h 15m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Tue 11/3
6:50 pm-10:05 am
1 stop31h 15m
Cluj Napoca
Mon 11/9
3:15 pm-4:15 pm
1 stop33h 00m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Tue 11/3
6:50 pm-10:05 am
1 stop31h 15m
Cluj Napoca
Mon 11/16
3:15 pm-4:15 pm
1 stop33h 00m
ChicagoCluj Napoca
ORD Chicago O'Hare Intl - CLJ Cluj Napoca
ORDCLJ
Chicago O'Hare Intl
Wed 11/11
9:25 am-1:50 pm
2 stops20h 25m
Cluj Napoca
Fri 2/5
6:10 am-6:25 pm
1 stop20h 15m
See travel insights to Cluj Napoca from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Cluj Napoca
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Cluj Napoca?
Prices are currently typical for flights on this route.
Typical prices usually range from $549 to $766.The lowest price recently found on this route was $667.
What is the cheapest month to fly to Cluj Napoca?
The month of February is, on average, the cheapest month to fly to Cluj Napoca from Chicago O'Hare Intl Airport, with most prices found around $581. If you don’t want to visit Cluj Napoca in February, then you should wait until January to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $616.
How far in advance should I book a flight from Chicago O'Hare Intl Airport to Cluj Napoca?
You are more likely to see cheaper flights to Cluj Napoca from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cluj Napoca for around $860 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cluj Napoca from Chicago O'Hare Intl Airport for as low as $628 on momondo.
Can stopping save me money on Chicago O'Hare Intl Airport to Cluj Napoca flights?
You could potentially save up to 15% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Cluj Napoca flight.
How have Chicago O'Hare Intl Airport to Cluj Napoca flight prices changed over time?
As of October 2026, prices for Chicago O'Hare Intl Airport to Cluj Napoca flights are approximately 4% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago O'Hare Intl to Cluj Napoca?
United Airlines and Turkish Airlines are the most popular carriers operating from Chicago O'Hare Intl to Cluj Napoca
What airlines fly to Cluj Napoca?
Lufthansa, Turkish Airlines and LOT are the top three most popular airlines that fly to Cluj Napoca from Chicago O'Hare Intl Airport according to our data. Lufthansa is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Cluj Napoca. Keep in mind that there are 7 different airlines that fly to Cluj Napoca on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Cluj Napoca?
Istanbul (IST) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Cluj Napoca?
Flights via Istanbul (IST) offer the lowest average round-trip price of $819.
Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Cluj Napoca?
Flights connecting via Munich (MUC) have the shortest average one-way travel time: 12h 10m.
Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Cluj Napoca?
Bucharest (OTP) has the shortest average layover time for this route: 1h 30m.
When to book flights from Chicago O'Hare Intl Airport to Cluj Napoca
Cheap Chicago O'Hare Intl Airport to Cluj Napoca (ORD to CLJ) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cluj Napoca
Frequently asked questions about flying from Chicago O'Hare Intl Airport to Cluj Napoca
How far is Chicago O'Hare Intl to Cluj Napoca by plane?
A flight from Chicago O'Hare Intl to Cluj Napoca will travel around 5006.5 mi. Flights usually cover this in 11h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cluj Napoca Airport?
Prices for flights from Chicago O'Hare Intl Airport to Cluj Napoca Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Cluj Napoca Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Cluj Napoca Airport is 6 as of October 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Cluj Napoca Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Cluj Napoca Airport.
What documentation or ID do you need to fly to Cluj Napoca Airport?
The travel and health documents you'll need for your trip to Cluj Napoca Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cluj Napoca Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Cluj Napoca?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Cluj Napoca, the leading airline is Lufthansa, making up 32% of the total bookings. Other popular airlines include Turkish Airlines with 32%, LOT with 17%, and United Airlines with 9%.
Best airlines flying from Chicago O'Hare Intl Airport to Cluj Napoca
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Cluj Napoca with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $536 | Free Cancellation | Rating 7.4 4,455 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 6.8 8,271 reviews | |||
| PriceFrom $627 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 7.6 1,194 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 0.0 | |||
| PriceFrom $976 | Free Cancellation | Rating 7.5 2,094 reviews |
Traveling to a place near Cluj Napoca?
Book flights to Cluj Napoca if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Cluj Napoca?
Finding the right flight to Cluj Napoca from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cluj Napoca quick and easy, saving you time and money.
Can I find flights from Chicago to Cluj Napoca with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Chicago to Cluj Napoca flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Cluj Napoca?
momondo provides multiple filters to help you find the best flight to Cluj Napoca from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Cluj Napoca right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Cluj Napoca, momondo offers a useful price alert feature which will track prices for flights to Cluj Napoca from Chicago and alert you when they change.