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Cheap flights from Chicago to Cluj Napoca from $339

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 to Cluj Napoca departing on 8/16. 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
0 bags

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Find the cheapest flights from Chicago to Cluj Napoca

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
12h 10m
1 stop
LOT Logo
6:10 pm - 3:10 pm
CLJ
-
ORD
29h 00m
1 stop
$749LOT
Thu, Sep 3 - Sat, Sep 12
United Airlines Logo
7:20 am - 1:10 pm
ORD
-
CLJ
21h 50m
2 stops
United Airlines Logo
6:00 am - 2:00 pm
CLJ
-
ORD
16h 00m
1 stop
$754United Airlines
Thu, Aug 13 - Wed, Aug 26
LOT Logo
5:10 pm - 5:30 pm
ORD
-
CLJ
40h 20m
2 stops
LOT Logo
6:10 pm - 9:00 pm
CLJ
-
ORD
34h 50m
1 stop
$757LOT
Thu, Oct 15 - Sat, Oct 24
Lufthansa Logo
3:35 pm - 5:25 pm
ORD
-
CLJ
17h 50m
1 stop
Lufthansa Logo
6:00 am - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
$765Lufthansa
Wed, Jul 29 - Thu, Aug 20
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
$785LOT
Thu, Aug 6 - Thu, Sep 3
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
36h 10m
2 stops
LOT Logo
2:00 pm - 7:50 pm
CLJ
-
ORD
13h 50m
1 stop
$787LOT
Sun, Sep 6 - Sun, Sep 20
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m
1 stop
United Airlines Logo
6:00 am - 12:59 am
CLJ
-
ORD
26h 59m
2 stops
$790United Airlines
Sun, Aug 9 - Fri, Aug 21
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m
1 stop
United Airlines Logo
6:00 am - 12:59 am
CLJ
-
ORD
26h 59m
2 stops
$791United Airlines
Sat, Aug 8 - Fri, Aug 21
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m
1 stop
United Airlines Logo
1:50 pm - 2:00 pm
CLJ
-
ORD
32h 10m
1 stop
$792United Airlines
Sat, Aug 8 - Tue, Aug 25
United Airlines Logo
2:00 pm - 1:10 pm
ORD
-
CLJ
15h 10m
2 stops
United Airlines Logo
1:50 pm - 11:40 pm
CLJ
-
ORD
17h 50m
2 stops
$794United Airlines
Tue, Aug 18 - Tue, Sep 1

United Airlines flights from Chicago to Cluj Napoca

Our best United Airlines deals on Chicago to Cluj Napoca flight tickets
United Airlines
Aug 13
ORD7:20 amChicago O'Hare Intl
21h 50m
2 stops
CLJ1:10 pmCluj Napoca
Aug 26
CLJ6:00 amCluj Napoca
16h 00m
1 stop
ORD2:00 pmChicago O'Hare Intl
$754
United Airlines
Aug 9
ORD9:40 pmChicago O'Hare Intl
11h 45m
1 stop
CLJ5:25 pmCluj Napoca
Aug 21
CLJ6:00 amCluj Napoca
26h 59m
2 stops
ORD12:59 amChicago O'Hare Intl
$790
United Airlines
Aug 8
ORD9:40 pmChicago O'Hare Intl
11h 45m
1 stop
CLJ5:25 pmCluj Napoca
Aug 21
CLJ6:00 amCluj Napoca
26h 59m
2 stops
ORD12:59 amChicago O'Hare Intl
$791

Lufthansa flights from Chicago to Cluj Napoca

Our best Lufthansa deals on Chicago to Cluj Napoca flight tickets
Lufthansa
Jul 29
ORD3:35 pmChicago O'Hare Intl
17h 50m
1 stop
CLJ5:25 pmCluj Napoca
Aug 20
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
$765
Lufthansa
Jul 30
ORD9:40 pmChicago O'Hare Intl
18h 50m
1 stop
CLJ12:30 amCluj Napoca
Aug 18
CLJ6:10 pmCluj Napoca
26h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$797
Lufthansa
Aug 7
ORD9:40 pmChicago O'Hare Intl
18h 50m
1 stop
CLJ12:30 amCluj Napoca
Aug 23
CLJ6:00 amCluj Napoca
20h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
$799

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 May 19, 2026.
Use the filters below to find and compare flights from Chicago 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

Thu 9/3

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Sat 9/12

6:10 pm-3:10 pm

1 stop29h 00m

$749

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 8/13

7:20 am-1:10 pm

2 stops21h 50m

Cluj Napoca

Wed 8/26

6:00 am-2:00 pm

1 stop16h 00m

$754

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 10/15

5:10 pm-5:30 pm

2 stops40h 20m

Cluj Napoca

Sat 10/24

6:10 pm-9:00 pm

1 stop34h 50m

$757

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 7/29

3:35 pm-5:25 pm

1 stop17h 50m

Cluj Napoca

Thu 8/20

6:00 am-12:35 pm

1 stop14h 35m

$765
Quickest round-trip

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 8/6

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Thu 9/3

2:00 pm-7:50 pm

1 stop13h 50m

$785

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

5:10 pm-1:20 pm

2 stops36h 10m

Cluj Napoca

Sun 9/20

2:00 pm-7:50 pm

1 stop13h 50m

$787

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 8/9

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Fri 8/21

6:00 am-12:59 am

2 stops26h 59m

$790

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 8/8

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Fri 8/21

6:00 am-12:59 am

2 stops26h 59m

$791

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 8/8

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Tue 8/25

1:50 pm-2:00 pm

1 stop32h 10m

$792

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 8/18

2:00 pm-1:10 pm

2 stops15h 10m

Cluj Napoca

Tue 9/1

1:50 pm-11:40 pm

2 stops17h 50m

$794

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 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 and Cluj Napoca?

What is the cheapest month to fly to Cluj Napoca?

The month of April is, on average, the cheapest month to fly to Cluj Napoca from Chicago, with most prices found around $301. If you don’t want to visit Cluj Napoca in April, then you should wait until August to fly from Chicago, when ticket prices are also cheap, with an average price of $348.

How far in advance should I book a flight from Chicago to Cluj Napoca?

You are more likely to see cheaper flights to Cluj Napoca from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Cluj Napoca for around $785 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 for as low as $669 on momondo.

Can stopping save me money on Chicago to Cluj Napoca flights?

You could potentially save up to 27% on your flight if you consider stops on a Chicago to Cluj Napoca flight.

When to book flights from Chicago to Cluj Napoca

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

Cheap Chicago to Cluj Napoca (CHI to CLJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cluj Napoca

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from Chicago to Cluj Napoca takes 11h 40m
There are no direct flights from Chicago to Cluj Napoca. There are no popular flight routes from Chicago to Cluj Napoca.
Search flight deals

Frequently asked questions about flying from Chicago to Cluj Napoca

  • How far is Chicago to Cluj Napoca by plane?

    There are 5002.3 mi between Chicago and Cluj Napoca. In terms of flight time, this usually takes a little over 11h 40m.

  • When did momondo last update prices for flights from Chicago to Cluj Napoca Airport?

    Prices for flights from Chicago to Cluj Napoca Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Cluj Napoca Airport?

  • How old do you have to be to fly from Chicago to Cluj Napoca Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Cluj Napoca Airport.

  • What documentation or ID do you need to fly to Cluj Napoca Airport?

    The necessary travel and health documents for your Cluj Napoca Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago to Cluj Napoca?

Best airlines flying from Chicago to Cluj Napoca

Compare and see reviews for airlines that fly from Chicago to Cluj Napoca with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $501Free CancellationRating
6.7
7,988 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $515Free CancellationRating
7.4
4,379 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,014 reviews
Search Lufthansa flights
LOTPriceFrom $580Free CancellationRating
7.5
1,193 reviews
Search LOT flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
SWISSPriceFrom $609Free CancellationRating
7.5
1,952 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cluj Napoca from Chicago.

Can I find flights from Chicago to Cluj Napoca with flexible booking policies on momondo?

Flights from Chicago to Cluj Napoca with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Cluj Napoca?

Once you have performed a search for Chicago to Cluj Napoca flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Chicago to Cluj Napoca now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cluj Napoca and let you know when they change.

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