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Cheap flights from Chicago O'Hare Intl Airport to Cluj Napoca from $349

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Cluj Napoca

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
9:50 pm - 1:15 pmORD  Chicago O'Hare Intl-CLJ Cluj Napoca
31h 25m1 stop Warsaw Frederic Chopin
LOT Logo
1:30 pm - 7:55 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
14h 25m1 stop Warsaw Frederic Chopin
$732LOT
Mon, Nov 2 - Sun, Nov 15
Turkish Airlines Logo
11:45 am - 9:05 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
13h 20m1 stop Istanbul
Turkish Airlines Logo
9:55 am - 10:00 amCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
32h 05m1 stop Istanbul
$734Turkish Airlines
Tue, Nov 17 - Wed, Dec 2
Turkish Airlines Logo
11:45 am - 9:05 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
13h 20m1 stop Istanbul
Turkish Airlines Logo
9:55 am - 10:00 amCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
32h 05m1 stop Istanbul
$734Turkish Airlines
Thu, Nov 19 - Wed, Dec 2
LOT Logo
5:10 pm - 5:30 pmORD  Chicago O'Hare Intl-CLJ Cluj Napoca
16h 20m2 stops Krakow J. Paul II Balice Warsaw Frederic Chopin
LOT Logo
1:55 pm - 8:55 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
14h 00m1 stop Warsaw Frederic Chopin
$773LOT
Sun, Oct 11 - Wed, Oct 28
Multiple Airlines Logo
10:50 pm - 1:05 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
19h 15m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:10 am - 7:58 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
21h 48m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$774Multiple Airlines
Wed, Oct 28 - Tue, Nov 17
SWISS Logo
4:10 pm - 10:05 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
33h 55m1 stop Zurich
SWISS Logo
3:15 pm - 12:40 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
29h 25m1 stop Zurich
$775SWISS
Tue, Dec 8 - Mon, Mar 1
United Airlines Logo
6:00 pm - 1:50 pmORD  Chicago O'Hare Intl-CLJ Cluj Napoca
11h 50m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 6:25 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
20h 15m1 stop Munich Franz Josef Strauss
$779United Airlines
Tue, Dec 29 - Thu, Jan 7
United Airlines Logo
6:00 pm - 1:50 pmORD  Chicago O'Hare Intl-CLJ Cluj Napoca
11h 50m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:10 am - 6:25 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
20h 15m1 stop Munich Franz Josef Strauss
$779United Airlines
Wed, Dec 30 - Thu, Jan 7
Multiple Airlines Logo
7:05 am - 1:50 pmORD  Chicago O'Hare Intl-CLJ Cluj Napoca
22h 45m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:10 am - 6:25 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
20h 15m1 stop Munich Franz Josef Strauss
$779Multiple Airlines
Wed, Dec 9 - Sun, Feb 28
SWISS Logo
2:20 pm - 10:00 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
11h 40m1 stop Zurich
SWISS Logo
6:00 am - 7:48 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
21h 48m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$993SWISS
Wed, Sep 30 - Sat, Oct 17

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United Airlines flights from Chicago O'Hare Intl Airport to Cluj Napoca

Our best United Airlines deals on Chicago O'Hare Intl Airport to Cluj Napoca flight tickets
United Airlines
Dec 8
ORD12:40 pmChicago O'Hare Intl
17h 10m
2 stops
CLJ1:50 pmCluj Napoca
Feb 27
CLJ6:10 amCluj Napoca
20h 15m
1 stop
ORD6:25 pmChicago O'Hare Intl
$780
United Airlines
Dec 12
ORD4:10 pmChicago O'Hare Intl
13h 40m
2 stops
CLJ1:50 pmCluj Napoca
Jan 12
CLJ6:10 amCluj Napoca
20h 15m
1 stop
ORD6:25 pmChicago O'Hare Intl
$781
United Airlines
Dec 15
ORD9:00 amChicago O'Hare Intl
20h 50m
3 stops
CLJ1:50 pmCluj Napoca
Jan 12
CLJ6:10 amCluj Napoca
16h 00m
1 stop
ORD2:10 pmChicago O'Hare Intl
$784

Air Canada flights from Chicago O'Hare Intl Airport to Cluj Napoca

Our best Air Canada deals on Chicago O'Hare Intl Airport to Cluj Napoca flight tickets
Air Canada
Dec 9
ORD7:05 amChicago O'Hare Intl
22h 45m
2 stops
CLJ1:50 pmCluj Napoca
Feb 27
CLJ6:10 amCluj Napoca
45h 42m
2 stops
ORD7:52 pmChicago O'Hare Intl
$782
Air Canada
Nov 4
ORD7:05 amChicago O'Hare Intl
22h 45m
2 stops
CLJ1:50 pmCluj Napoca
Nov 17
CLJ6:10 amCluj Napoca
40h 27m
2 stops
ORD2:37 pmChicago O'Hare Intl
$783
Air Canada
Oct 7
ORD7:11 amChicago O'Hare Intl
26h 14m
2 stops
CLJ5:25 pmCluj Napoca
Dec 16
CLJ6:10 amCluj Napoca
33h 57m
2 stops
ORD8:07 amChicago O'Hare Intl
$786

momondo Fare Finder

 
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

Price

Cheapest round-trip

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Mon 11/2

9:50 pm-1:15 pm

1 stop31h 25m

Cluj Napoca

Sun 11/15

1:30 pm-7:55 pm

1 stop14h 25m

$732

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Tue 11/17

11:45 am-9:05 am

1 stop13h 20m

Cluj Napoca

Wed 12/2

9:55 am-10:00 am

1 stop32h 05m

$734

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Thu 11/19

11:45 am-9:05 am

1 stop13h 20m

Cluj Napoca

Wed 12/2

9:55 am-10:00 am

1 stop32h 05m

$734
Quickest round-trip

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Sun 10/11

5:10 pm-5:30 pm

2 stops16h 20m

Cluj Napoca

Wed 10/28

1:55 pm-8:55 pm

1 stop14h 00m

$773

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 10/28

10:50 pm-1:05 am

1 stop19h 15m

Cluj Napoca

Tue 11/17

6:10 am-7:58 pm

2 stops21h 48m

$774

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Tue 12/8

4:10 pm-10:05 am

1 stop33h 55m

Cluj Napoca

Mon 3/1

3:15 pm-12:40 pm

1 stop29h 25m

$775

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Tue 12/29

6:00 pm-1:50 pm

1 stop11h 50m

Cluj Napoca

Thu 1/7

6:10 am-6:25 pm

1 stop20h 15m

$779

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 12/30

6:00 pm-1:50 pm

1 stop11h 50m

Cluj Napoca

Thu 1/7

6:10 am-6:25 pm

1 stop20h 15m

$779

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 12/9

7:05 am-1:50 pm

2 stops22h 45m

Cluj Napoca

Sun 2/28

6:10 am-6:25 pm

1 stop20h 15m

$779

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 9/30

2:20 pm-10:00 am

1 stop11h 40m

Cluj Napoca

Sat 10/17

6:00 am-7:48 pm

2 stops21h 48m

$993

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 low for flights on this route.

Typical prices usually range from $782 to $986.
The lowest price recently found on this route was $732.

What is the cheapest month to fly to Cluj Napoca?

The month of October is, on average, the cheapest month to fly to Cluj Napoca from Chicago O'Hare Intl Airport, with most prices found around $549. If you don’t want to visit Cluj Napoca in October, then you should wait until February to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $575.

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 $842 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 $717 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Cluj Napoca flights?

You could potentially save up to 37% 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 September 2026, prices for Chicago O'Hare Intl Airport to Cluj Napoca flights are approximately 50% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Cluj Napoca

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Cluj Napoca according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$349

Fastest flight time

12h 20m

Direct flights

None
The best one-way flight to Cluj Napoca from Chicago O'Hare Intl Airport in the past 72 hours is $349. The best round-trip flight deal from Chicago O'Hare Intl Airport to Cluj Napoca found on momondo in the last 72 hours is $732.
The fastest flight from Chicago O'Hare Intl Airport to Cluj Napoca takes 12h 20m
There are no direct flights from Chicago O'Hare Intl Airport to Cluj Napoca. There are no popular flight routes from Chicago O'Hare Intl Airport to Cluj Napoca.
Search flight deals

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 12h 20m, 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?

  • 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?

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
Turkish AirlinesPriceFrom $519Free CancellationRating
7.4
4,481 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,227 reviews
Search Lufthansa flights
LOTPriceFrom $568Free CancellationRating
7.5
1,205 reviews
Search LOT flights
SWISSPriceFrom $609Free CancellationRating
7.5
2,060 reviews
Search SWISS flights
United AirlinesPriceFrom $627Free CancellationRating
7.4
10,159 reviews
Search United Airlines flights
HiSkyPriceFrom $733Free CancellationRating
0.0
Search HiSky flights

Traveling to a place near Cluj Napoca?

Book flights to Cluj Napoca if you plan to visit one of these locations
Turda

Why 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.

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