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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 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

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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.
United Airlines Logo
6:15 pm - 1:10 pm
ORD
-
CLJ
34h 55m
2 stops
United Airlines Logo
6:00 am - 12:59 am
CLJ
-
ORD
26h 59m
2 stops
$857United Airlines
Tue, Jul 7 - Sun, Aug 23
Turkish Airlines Logo
11:25 am - 9:05 am
ORD
-
CLJ
13h 40m
1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
CLJ
-
ORD
20h 35m
1 stop
$858Turkish Airlines
Tue, Sep 15 - Thu, Sep 24
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m
1 stop
United Airlines Logo
1:50 pm - 6:15 pm
CLJ
-
ORD
12h 25m
1 stop
$859United Airlines
Sun, Sep 13 - Fri, Sep 18
Lufthansa Logo
6:00 pm - 5:25 pm
ORD
-
CLJ
15h 25m
1 stop
Lufthansa Logo
6:00 am - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
$860Lufthansa
Fri, Sep 11 - Mon, Sep 21
Multiple Airlines Logo
8:45 am - 5:25 pm
ORD
-
CLJ
24h 40m
2 stops
Multiple Airlines Logo
3:35 pm - 12:55 pm
CLJ
-
ORD
29h 20m
2 stops
$862Multiple Airlines
Sun, Sep 6 - Sun, Sep 20
Multiple Airlines Logo
8:45 am - 5:25 pm
ORD
-
CLJ
24h 40m
2 stops
Multiple Airlines Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
$865Multiple Airlines
Sun, Sep 6 - Sun, Sep 20
United Airlines Logo
6:00 pm - 5:25 pm
ORD
-
CLJ
15h 25m
1 stop
United Airlines Logo
6:00 am - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
$867United Airlines
Fri, Sep 11 - Sat, Sep 19
Lufthansa Logo
4:05 pm - 5:25 pm
ORD
-
CLJ
17h 20m
2 stops
Lufthansa Logo
6:10 pm - 12:55 pm
CLJ
-
ORD
26h 45m
2 stops
$868Lufthansa
Wed, Sep 9 - Mon, Sep 21
Lufthansa Logo
9:40 pm - 12:30 am
ORD
-
CLJ
18h 50m
1 stop
Lufthansa Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
$872Lufthansa
Thu, Jul 30 - Thu, Aug 13
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
36h 10m
2 stops
LOT Logo
6:10 pm - 6:10 pm
CLJ
-
ORD
32h 00m
1 stop
$873LOT
Wed, Aug 19 - Thu, Aug 27

Air Canada flights from Chicago to Cluj Napoca

Our best Air Canada deals on Chicago to Cluj Napoca flight tickets
Air Canada
Sep 6
ORD2:01 pmChicago O'Hare Intl
19h 24m
2 stops
CLJ5:25 pmCluj Napoca
Sep 20
CLJ1:50 pmCluj Napoca
38h 22m
2 stops
ORD8:12 pmChicago O'Hare Intl
$876
Air Canada
Jun 5
ORD3:45 pmChicago O'Hare Intl
17h 40m
2 stops
CLJ5:25 pmCluj Napoca
Jun 12
CLJ6:00 amCluj Napoca
31h 40m
2 stops
ORD5:40 amChicago O'Hare Intl
$1,237
Air Canada
Jun 16
ORD9:20 pmChicago O'Hare Intl
36h 05m
2 stops
CLJ5:25 pmCluj Napoca
Jun 30
CLJ6:00 amCluj Napoca
37h 20m
2 stops
ORD11:20 amChicago O'Hare Intl
$1,300

United Airlines flights from Chicago to Cluj Napoca

Our best United Airlines deals on Chicago to Cluj Napoca flight tickets
United Airlines
Sep 6
ORD2:20 pmChicago O'Hare Intl
14h 50m
2 stops
CLJ1:10 pmCluj Napoca
Sep 20
CLJ1:50 pmCluj Napoca
17h 50m
2 stops
ORD11:40 pmChicago O'Hare Intl
$875
United Airlines
Jul 27
ORD9:00 amChicago O'Hare Intl
24h 25m
2 stops
CLJ5:25 pmCluj Napoca
Aug 11
CLJ6:00 amCluj Napoca
24h 30m
2 stops
ORD10:30 pmChicago O'Hare Intl
$880
United Airlines
Jul 30
ORD3:10 pmChicago O'Hare Intl
14h 00m
2 stops
CLJ1:10 pmCluj Napoca
Aug 13
CLJ1:50 pmCluj Napoca
17h 50m
2 stops
ORD11:40 pmChicago O'Hare Intl
$883

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 June 4, 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

Tue 7/7

6:15 pm-1:10 pm

2 stops34h 55m

Cluj Napoca

Sun 8/23

6:00 am-12:59 am

2 stops26h 59m

$857

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 9/15

11:25 am-9:05 am

1 stop13h 40m

Cluj Napoca

Thu 9/24

9:05 pm-9:40 am

1 stop20h 35m

$858
Quickest round-trip

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/13

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Fri 9/18

1:50 pm-6:15 pm

1 stop12h 25m

$859

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 9/11

6:00 pm-5:25 pm

1 stop15h 25m

Cluj Napoca

Mon 9/21

6:00 am-12:35 pm

1 stop14h 35m

$860

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

8:45 am-5:25 pm

2 stops24h 40m

Cluj Napoca

Sun 9/20

3:35 pm-12:55 pm

2 stops29h 20m

$862

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

8:45 am-5:25 pm

2 stops24h 40m

Cluj Napoca

Sun 9/20

6:00 am-12:55 pm

2 stops14h 55m

$865

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 9/11

6:00 pm-5:25 pm

1 stop15h 25m

Cluj Napoca

Sat 9/19

6:00 am-12:35 pm

1 stop14h 35m

$867

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 9/9

4:05 pm-5:25 pm

2 stops17h 20m

Cluj Napoca

Mon 9/21

6:10 pm-12:55 pm

2 stops26h 45m

$868

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 7/30

9:40 pm-12:30 am

1 stop18h 50m

Cluj Napoca

Thu 8/13

6:00 am-12:55 pm

2 stops14h 55m

$872

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 8/19

5:10 pm-1:20 pm

2 stops36h 10m

Cluj Napoca

Thu 8/27

6:10 pm-6:10 pm

1 stop32h 00m

$873

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 $808 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 19% 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

13h 35m

Direct flights

None
The fastest flight from Chicago to Cluj Napoca takes 13h 35m
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 13h 35m.

  • 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
8,027 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $519Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,036 reviews
Search Lufthansa flights
LOTPriceFrom $568Free CancellationRating
7.5
1,198 reviews
Search LOT flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
SWISSPriceFrom $609Free CancellationRating
7.5
1,964 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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