Cheap flights from Chicago to Cluj Napoca from $340

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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Cluj Napoca

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
4:05 pm - 5:25 pm
ORD
-
CLJ
17h 20m
2 stops
Lufthansa Logo
1:50 pm - 6:15 pm
CLJ
-
ORD
12h 25m
1 stop
$874Lufthansa
Mon, Aug 31 - Sun, Oct 11
Air Canada Logo
2:01 pm - 5:25 pm
ORD
-
CLJ
19h 24m
2 stops
Air Canada Logo
1:50 pm - 8:12 pm
CLJ
-
ORD
38h 22m
2 stops
$875Air Canada
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 - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
$876United Airlines
Mon, Jul 27 - Fri, Aug 14
LOT Logo
9:50 pm - 5:30 pm
ORD
-
CLJ
11h 40m
1 stop
LOT Logo
2:00 pm - 7:50 pm
CLJ
-
ORD
13h 50m
1 stop
$877LOT
Fri, Sep 4 - Sun, Sep 27
LOT Logo
9:50 pm - 5:30 pm
ORD
-
CLJ
11h 40m
1 stop
LOT Logo
6:10 pm - 6:10 pm
CLJ
-
ORD
32h 00m
1 stop
$878LOT
Tue, Jul 14 - Thu, Aug 20
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m
1 stop
United Airlines Logo
6:00 am - 11:00 am
CLJ
-
ORD
37h 00m
2 stops
$879United Airlines
Mon, Jul 27 - Wed, Aug 12
United Airlines Logo
1:55 pm - 1:10 pm
ORD
-
CLJ
15h 15m
2 stops
United Airlines Logo
6:00 am - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
$880United Airlines
Tue, Jul 28 - Fri, Aug 14
Lufthansa Logo
9:40 pm - 12:30 am
ORD
-
CLJ
18h 50m
1 stop
Lufthansa Logo
6:10 pm - 12:35 pm
CLJ
-
ORD
26h 25m
1 stop
$881Lufthansa
Sat, Jul 18 - Thu, Aug 20
Lufthansa Logo
10:30 pm - 12:30 am
ORD
-
CLJ
18h 00m
2 stops
Lufthansa Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
$882Lufthansa
Tue, Jul 14 - Thu, Aug 20
United Airlines Logo
3:10 pm - 1:10 pm
ORD
-
CLJ
14h 00m
2 stops
United Airlines Logo
1:50 pm - 11:40 pm
CLJ
-
ORD
17h 50m
2 stops
$883United Airlines
Thu, Jul 30 - Thu, Aug 13

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

LOT flights from Chicago to Cluj Napoca

Our best LOT deals on Chicago to Cluj Napoca flight tickets
LOT
Sep 4
ORD9:50 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:30 pmCluj Napoca
Sep 27
CLJ2:00 pmCluj Napoca
13h 50m
1 stop
ORD7:50 pmChicago O'Hare Intl
$877
LOT
Jul 14
ORD9:50 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:30 pmCluj Napoca
Aug 20
CLJ6:10 pmCluj Napoca
32h 00m
1 stop
ORD6:10 pmChicago O'Hare Intl
$878
LOT
Aug 15
ORD5:10 pmChicago O'Hare Intl
12h 10m
1 stop
CLJ1:20 pmCluj Napoca
Aug 27
CLJ2:00 pmCluj Napoca
13h 50m
1 stop
ORD7:50 pmChicago O'Hare Intl
$905

United Airlines flights from Chicago to Cluj Napoca

Our best United Airlines deals on Chicago to Cluj Napoca flight tickets
United Airlines
Jul 27
ORD9:40 pmChicago O'Hare Intl
11h 45m
1 stop
CLJ5:25 pmCluj Napoca
Aug 14
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
$876
United Airlines
Jul 27
ORD6:00 pmChicago O'Hare Intl
15h 25m
1 stop
CLJ5:25 pmCluj Napoca
Aug 12
CLJ6:00 amCluj Napoca
37h 00m
2 stops
ORD11:00 amChicago O'Hare Intl
$879
United Airlines
Jul 28
ORD1:55 pmChicago O'Hare Intl
15h 15m
2 stops
CLJ1:10 pmCluj Napoca
Aug 14
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
$880

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 9, 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

Mon 8/31

4:05 pm-5:25 pm

2 stops17h 20m

Cluj Napoca

Sun 10/11

1:50 pm-6:15 pm

1 stop12h 25m

$874

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 9/6

2:01 pm-5:25 pm

2 stops19h 24m

Cluj Napoca

Sun 9/20

1:50 pm-8:12 pm

2 stops38h 22m

$875

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 7/27

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Fri 8/14

6:00 am-12:35 pm

1 stop14h 35m

$876
Quickest round-trip

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 9/4

9:50 pm-5:30 pm

1 stop11h 40m

Cluj Napoca

Sun 9/27

2:00 pm-7:50 pm

1 stop13h 50m

$877

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/14

9:50 pm-5:30 pm

1 stop11h 40m

Cluj Napoca

Thu 8/20

6:10 pm-6:10 pm

1 stop32h 00m

$878

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 7/27

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Wed 8/12

6:00 am-11:00 am

2 stops37h 00m

$879

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/28

1:55 pm-1:10 pm

2 stops15h 15m

Cluj Napoca

Fri 8/14

6:00 am-12:35 pm

1 stop14h 35m

$880

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 7/18

9:40 pm-12:30 am

1 stop18h 50m

Cluj Napoca

Thu 8/20

6:10 pm-12:35 pm

1 stop26h 25m

$881

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/14

10:30 pm-12:30 am

2 stops18h 00m

Cluj Napoca

Thu 8/20

6:00 am-12:55 pm

2 stops14h 55m

$882

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 7/30

3:10 pm-1:10 pm

2 stops14h 00m

Cluj Napoca

Thu 8/13

1:50 pm-11:40 pm

2 stops17h 50m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $816 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.

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
8,034 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $519Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,050 reviews
Search Lufthansa flights
LOTPriceFrom $568Free CancellationRating
7.5
1,197 reviews
Search LOT flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,801 reviews
Search United Airlines flights
SWISSPriceFrom $609Free CancellationRating
7.5
1,968 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.

An easier way to manage your Cluj Napoca trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/9
Thu 7/16

Find better results for your trip to Romania