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Cheap flights from Chicago O'Hare Intl Airport to Cluj Napoca from $332

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Turkish Airlines Logo
8:10 pm - 9:05 am
ORD
-
CLJ
28h 55m
1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
CLJ
-
ORD
20h 35m
1 stop
$818Turkish Airlines
Sun, Sep 6 - Sun, Sep 20
LOT Logo
5:10 pm - 5:30 pm
ORD
-
CLJ
16h 20m
2 stops
LOT Logo
6:10 pm - 3:10 pm
CLJ
-
ORD
29h 00m
1 stop
$819LOT
Fri, Sep 4 - Mon, Sep 28
LOT Logo
9:50 pm - 5:30 pm
ORD
-
CLJ
11h 40m
1 stop
LOT Logo
6:10 pm - 7:50 pm
CLJ
-
ORD
33h 40m
1 stop
$820LOT
Tue, Aug 18 - Thu, Sep 3
LOT Logo
5:10 pm - 5:30 pm
ORD
-
CLJ
16h 20m
2 stops
LOT Logo
2:00 pm - 3:10 pm
CLJ
-
ORD
33h 10m
1 stop
$821LOT
Wed, Sep 9 - Wed, Sep 23
LOT Logo
5:10 pm - 5:30 pm
ORD
-
CLJ
16h 20m
2 stops
LOT Logo
2:00 pm - 7:50 pm
CLJ
-
ORD
13h 50m
1 stop
$822LOT
Wed, Sep 2 - Tue, Sep 8
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
12h 10m
1 stop
LOT Logo
2:00 pm - 7:50 pm
CLJ
-
ORD
13h 50m
1 stop
$823LOT
Thu, Sep 3 - Fri, Sep 18
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
12h 10m
1 stop
LOT Logo
2:00 pm - 7:50 pm
CLJ
-
ORD
13h 50m
1 stop
$824LOT
Mon, Aug 17 - Tue, Aug 25
Lufthansa Logo
1:55 pm - 1:10 pm
ORD
-
CLJ
15h 15m
2 stops
Lufthansa Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
$825Lufthansa
Sun, Sep 6 - Sun, Sep 20
LOT Logo
9:50 pm - 5:30 pm
ORD
-
CLJ
11h 40m
1 stop
LOT Logo
6:10 pm - 3:10 pm
CLJ
-
ORD
29h 00m
1 stop
$826LOT
Wed, Aug 12 - Wed, Sep 2
Multiple Airlines Logo
11:05 am - 5:25 pm
ORD
-
CLJ
22h 20m
2 stops
Multiple Airlines Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
$827Multiple Airlines
Mon, Aug 17 - Mon, Aug 24

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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
LOT
Sep 4
ORD5:10 pmChicago O'Hare Intl
16h 20m
2 stops
CLJ5:30 pmCluj Napoca
Sep 28
CLJ6:10 pmCluj Napoca
29h 00m
1 stop
ORD3:10 pmChicago O'Hare Intl
$819
LOT
Aug 18
ORD9:50 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:30 pmCluj Napoca
Sep 3
CLJ6:10 pmCluj Napoca
33h 40m
1 stop
ORD7:50 pmChicago O'Hare Intl
$820
LOT
Sep 9
ORD5:10 pmChicago O'Hare Intl
16h 20m
2 stops
CLJ5:30 pmCluj Napoca
Sep 23
CLJ2:00 pmCluj Napoca
33h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$821

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
Sep 6
ORD10:50 amChicago O'Hare Intl
22h 35m
2 stops
CLJ5:25 pmCluj Napoca
Sep 23
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
$839
United Airlines
Sep 7
ORD12:56 pmChicago O'Hare Intl
20h 29m
2 stops
CLJ5:25 pmCluj Napoca
Sep 23
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
$844
United Airlines
Sep 7
ORD10:25 amChicago O'Hare Intl
23h 00m
2 stops
CLJ5:25 pmCluj Napoca
Sep 22
CLJ6:00 amCluj Napoca
21h 48m
2 stops
ORD7:48 pmChicago O'Hare Intl
$847

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Cluj Napoca that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 23, 2026.
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 - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

8:10 pm-9:05 am

1 stop28h 55m

Cluj Napoca

Sun 9/20

9:05 pm-9:40 am

1 stop20h 35m

$818

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 9/4

5:10 pm-5:30 pm

2 stops16h 20m

Cluj Napoca

Mon 9/28

6:10 pm-3:10 pm

1 stop29h 00m

$819

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 8/18

9:50 pm-5:30 pm

1 stop11h 40m

Cluj Napoca

Thu 9/3

6:10 pm-7:50 pm

1 stop33h 40m

$820

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 9/9

5:10 pm-5:30 pm

2 stops16h 20m

Cluj Napoca

Wed 9/23

2:00 pm-3:10 pm

1 stop33h 10m

$821

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 9/2

5:10 pm-5:30 pm

2 stops16h 20m

Cluj Napoca

Tue 9/8

2:00 pm-7:50 pm

1 stop13h 50m

$822
Quickest round-trip

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 9/3

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Fri 9/18

2:00 pm-7:50 pm

1 stop13h 50m

$823

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 8/17

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Tue 8/25

2:00 pm-7:50 pm

1 stop13h 50m

$824

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

1:55 pm-1:10 pm

2 stops15h 15m

Cluj Napoca

Sun 9/20

6:00 am-12:55 pm

2 stops14h 55m

$825

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 8/12

9:50 pm-5:30 pm

1 stop11h 40m

Cluj Napoca

Wed 9/2

6:10 pm-3:10 pm

1 stop29h 00m

$826

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 8/17

11:05 am-5:25 pm

2 stops22h 20m

Cluj Napoca

Mon 8/24

6:00 am-12:55 pm

2 stops14h 55m

$827

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 typical for flights on this route.

Typical prices usually range from $810 to $1,090.
The lowest price recently found on this route was $818.

What is the cheapest month to fly to Cluj Napoca?

The month of January is, on average, the cheapest month to fly to Cluj Napoca from Chicago O'Hare Intl Airport, with most prices found around $547. If you don’t want to visit Cluj Napoca in January, then you should wait until October to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $549.

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 $840 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 $683 on momondo.

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

You could potentially save up to 3% 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 July 2026, prices for Chicago O'Hare Intl Airport to Cluj Napoca flights are approximately 58% cheaper 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

Fastest flight time

12h 20m

Direct flights

None
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 $515Free CancellationRating
7.4
4,451 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,158 reviews
Search Lufthansa flights
LOTPriceFrom $568Free CancellationRating
7.5
1,211 reviews
Search LOT flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
10,026 reviews
Search United Airlines flights
SWISSPriceFrom $609Free CancellationRating
7.5
2,019 reviews
Search SWISS 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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