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Cheap flights from Chicago O'Hare Intl Airport to Cluj Napoca from $241

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 11/28. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Cluj Napoca

Cheap round-trip flights

United Airlines Logo
7:10 am - 1:40 pmORD-CLJ
22h 30m2 stops
United Airlines Logo
2:25 pm - 2:10 pmCLJ-ORD
31h 45m1 stop
$575United Airlines
Find Deal
Sun, Nov 16 - Sat, Nov 22
Multiple Airlines Logo
7:15 am - 10:05 amORD-CLJ
18h 50m2 stops
Multiple Airlines Logo
6:00 am - 5:48 pmCLJ-ORD
19h 48m3 stops
$576Multiple Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 15
LOT Logo
9:40 pm - 5:30 pmORD-CLJ
11h 50m1 stop
LOT Logo
6:00 pm - 9:00 pmCLJ-ORD
34h 00m1 stop
$577LOT
Find Deal
Sun, Oct 19 - Thu, Oct 30
LOT Logo
5:10 pm - 5:30 pmORD-CLJ
40h 20m2 stops
LOT Logo
1:35 pm - 7:55 pmCLJ-ORD
38h 20m2 stops
$579LOT
Find Deal
Thu, Oct 23 - Sun, Nov 2
LOT Logo
5:10 pm - 1:20 pmORD-CLJ
12h 10m1 stop
LOT Logo
2:00 pm - 7:40 pmCLJ-ORD
13h 40m1 stop
$580LOT
Find Deal
Wed, Oct 1 - Sun, Oct 12
Turkish Airlines Logo
7:50 pm - 9:05 amORD-CLJ
29h 15m1 stop
Turkish Airlines Logo
9:15 pm - 11:05 amCLJ-ORD
20h 50m1 stop
$582Turkish Airlines
Find Deal
Thu, Oct 23 - Thu, Oct 30
Lufthansa Logo
1:55 pm - 2:40 pmORD-CLJ
16h 45m2 stops
Lufthansa Logo
6:00 am - 4:20 pmCLJ-ORD
17h 20m2 stops
$589Lufthansa
Find Deal
Sat, Oct 25 - Sat, Nov 1
Turkish Airlines Logo
7:50 pm - 9:05 amORD-CLJ
29h 15m1 stop
Turkish Airlines Logo
9:50 am - 11:05 amCLJ-ORD
32h 15m1 stop
$592Turkish Airlines
Find Deal
Thu, Oct 23 - Fri, Oct 31
Lufthansa Logo
9:40 pm - 5:15 pmORD-CLJ
11h 35m1 stop
Lufthansa Logo
6:00 am - 7:25 pmCLJ-ORD
20h 25m1 stop
$595Lufthansa
Find Deal
Tue, Oct 7 - Tue, Oct 28
SWISS Logo
7:05 pm - 9:55 amORD-CLJ
30h 50m1 stop
SWISS Logo
3:35 pm - 3:55 pmCLJ-ORD
32h 20m1 stop
$717SWISS
Find Deal
Tue, Sep 30 - Sun, Oct 12

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
Oct 28
ORD3:55 pmChicago O'Hare Intl
14h 45m
2 stops
CLJ1:40 pmCluj Napoca
Nov 4
CLJ6:00 amCluj Napoca
20h 39m
3 stops
ORD6:39 pmChicago O'Hare Intl
$586
Find similar
Air Canada
Feb 8
ORD2:00 pmChicago O'Hare Intl
15h 40m
3 stops
CLJ1:40 pmCluj Napoca
Feb 22
CLJ6:00 amCluj Napoca
21h 30m
2 stops
ORD7:30 pmChicago O'Hare Intl
$603
Find similar
Air Canada
Oct 28
ORD2:00 pmChicago O'Hare Intl
16h 40m
3 stops
CLJ1:40 pmCluj Napoca
Nov 4
CLJ6:00 amCluj Napoca
19h 48m
3 stops
ORD5:48 pmChicago O'Hare Intl
$612
Find similar

Lufthansa flights from Chicago O'Hare Intl Airport to Cluj Napoca

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Cluj Napoca flight tickets
Lufthansa
Oct 25
ORD1:55 pmChicago O'Hare Intl
16h 45m
2 stops
CLJ2:40 pmCluj Napoca
Nov 1
CLJ6:00 amCluj Napoca
17h 20m
2 stops
ORD4:20 pmChicago O'Hare Intl
$589
Find similar
Lufthansa
Oct 7
ORD9:40 pmChicago O'Hare Intl
11h 35m
1 stop
CLJ5:15 pmCluj Napoca
Oct 28
CLJ6:00 amCluj Napoca
20h 25m
1 stop
ORD7:25 pmChicago O'Hare Intl
$595
Find similar
Lufthansa
Oct 31
ORD11:35 pmChicago O'Hare Intl
18h 20m
2 stops
CLJ12:55 amCluj Napoca
Nov 13
CLJ6:00 amCluj Napoca
15h 10m
2 stops
ORD1:10 pmChicago O'Hare Intl
$599
Find similar

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 September 17, 2025.
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

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 11/16

7:10 am-1:40 pm

2 stops22h 30m

Cluj Napoca

Sat 11/22

2:25 pm-2:10 pm

1 stop31h 45m

$575

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 11/5

7:15 am-10:05 am

2 stops18h 50m

Cluj Napoca

Sat 11/15

6:00 am-5:48 pm

3 stops19h 48m

$576

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 10/19

9:40 pm-5:30 pm

1 stop11h 50m

Cluj Napoca

Thu 10/30

6:00 pm-9:00 pm

1 stop34h 00m

$577

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 10/23

5:10 pm-5:30 pm

2 stops40h 20m

Cluj Napoca

Sun 11/2

1:35 pm-7:55 pm

2 stops38h 20m

$579

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 10/1

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Sun 10/12

2:00 pm-7:40 pm

1 stop13h 40m

$580

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 10/23

7:50 pm-9:05 am

1 stop29h 15m

Cluj Napoca

Thu 10/30

9:15 pm-11:05 am

1 stop20h 50m

$582

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 10/25

1:55 pm-2:40 pm

2 stops16h 45m

Cluj Napoca

Sat 11/1

6:00 am-4:20 pm

2 stops17h 20m

$589

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 10/23

7:50 pm-9:05 am

1 stop29h 15m

Cluj Napoca

Fri 10/31

9:50 am-11:05 am

1 stop32h 15m

$592

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 10/7

9:40 pm-5:15 pm

1 stop11h 35m

Cluj Napoca

Tue 10/28

6:00 am-7:25 pm

1 stop20h 25m

$595

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 9/30

7:05 pm-9:55 am

1 stop30h 50m

Cluj Napoca

Sun 10/12

3:35 pm-3:55 pm

1 stop32h 20m

$717

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 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 $614. If you don’t want to visit Cluj Napoca in February, 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 $667.

What is the cheapest day to depart on your flight to Cluj Napoca?

According to our data, Tuesday is the cheapest day to fly to Cluj Napoca from Chicago O'Hare Intl Airport. The lowest ticket price found for a Tuesday departure recently was $881. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Cluj Napoca on Sunday is $1,107.

What is the cheapest time of day to depart on your flight to Cluj Napoca?

The cheapest time of day to fly to Cluj Napoca is in the morning when flights can be purchased for as low as $650. Try not to purchase tickets in the afternoon because they tend to be around $1,027. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 $794 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 $719 on momondo.

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

Direct flights

None
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.
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  • 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 35m, 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
SWISSPriceFrom $500Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Turkish AirlinesPriceFrom $531Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LOTPriceFrom $621Free CancellationRating
7.6
1,117 reviews
Search LOT flights
LufthansaPriceFrom $653Free CancellationRating
6.8
7,409 reviews
Search Lufthansa 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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