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Cheap flights from Cluj Napoca to Chicago from $644

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Cluj Napoca to Chicago departing on 1/24. 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 Cluj Napoca to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
1:55 pm - 8:00 pm
CLJ
-
ORD
14h 05m1 stop
LOT Logo
9:55 pm - 5:35 pm
ORD
-
CLJ
11h 40m1 stop
$644LOT
Sat, Jan 24 - Fri, Feb 6
LOT Logo
1:55 pm - 8:00 pm
CLJ
-
ORD
14h 05m1 stop
LOT Logo
9:55 pm - 5:35 pm
ORD
-
CLJ
11h 40m1 stop
$645LOT
Sat, Jan 24 - Fri, Feb 6
LOT Logo
6:00 pm - 8:00 pm
CLJ
-
ORD
34h 00m1 stop
LOT Logo
9:55 pm - 5:35 pm
ORD
-
CLJ
11h 40m1 stop
$678LOT
Thu, Jan 22 - Fri, Feb 6
LOT Logo
1:55 pm - 8:00 pm
CLJ
-
ORD
14h 05m1 stop
LOT Logo
9:55 pm - 5:35 pm
ORD
-
CLJ
11h 40m1 stop
$683LOT
Sat, Jan 24 - Fri, Feb 27
Lufthansa Logo
6:00 am - 6:25 pm
CLJ
-
ORD
20h 25m1 stop
Lufthansa Logo
9:50 pm - 12:55 am
ORD
-
CLJ
19h 05m1 stop
$693Lufthansa
Sat, Jan 24 - Fri, Feb 6
LOT Logo
1:55 pm - 8:00 pm
CLJ
-
ORD
14h 05m1 stop
LOT Logo
9:55 pm - 5:20 pm
ORD
-
CLJ
11h 25m1 stop
$702LOT
Wed, Jan 21 - Wed, Feb 25
Lufthansa Logo
6:00 am - 3:20 pm
CLJ
-
ORD
17h 20m2 stops
Lufthansa Logo
9:50 pm - 12:55 am
ORD
-
CLJ
19h 05m1 stop
$707Lufthansa
Sat, Jan 24 - Fri, Feb 6
Lufthansa Logo
6:00 am - 6:25 pm
CLJ
-
ORD
20h 25m1 stop
Lufthansa Logo
9:50 pm - 12:55 am
ORD
-
CLJ
19h 05m1 stop
$708Lufthansa
Fri, Jan 23 - Fri, Feb 6
United Airlines Logo
6:00 am - 2:10 pm
CLJ
-
ORD
16h 10m1 stop
United Airlines Logo
9:40 pm - 5:25 pm
ORD
-
CLJ
11h 45m1 stop
$709United Airlines
Wed, Jan 21 - Wed, Apr 1
Lufthansa Logo
6:00 am - 6:25 pm
CLJ
-
ORD
20h 25m1 stop
Lufthansa Logo
9:50 pm - 12:55 am
ORD
-
CLJ
19h 05m1 stop
$711Lufthansa
Wed, Jan 21 - Thu, Feb 26

United Airlines flights from Cluj Napoca to Chicago O'Hare Intl Airport

Our best United Airlines deals on Cluj Napoca to Chicago O'Hare Intl Airport flight tickets
United Airlines
Jan 21
CLJ6:00 amCluj Napoca
16h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Apr 1
ORD9:40 pmChicago O'Hare Intl
11h 45m
1 stop
CLJ5:25 pmCluj Napoca
$709
Find similar
United Airlines
Jan 23
CLJ6:00 amCluj Napoca
33h 43m
2 stops
ORD7:43 amChicago O'Hare Intl
Feb 24
ORD12:00 pmChicago O'Hare Intl
17h 40m
2 stops
CLJ1:40 pmCluj Napoca
$716
Find similar
United Airlines
Jan 21
CLJ6:00 amCluj Napoca
20h 37m
2 stops
ORD6:37 pmChicago O'Hare Intl
Feb 25
ORD9:15 pmChicago O'Hare Intl
32h 25m
2 stops
CLJ1:40 pmCluj Napoca
$717
Find similar

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

Our best LOT deals on Cluj Napoca to Chicago O'Hare Intl Airport flight tickets
LOT
Jan 24
CLJ1:55 pmCluj Napoca
14h 05m
1 stop
ORD8:00 pmChicago O'Hare Intl
Feb 6
ORD9:55 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:35 pmCluj Napoca
$644
Find similar
LOT
Jan 24
CLJ1:55 pmCluj Napoca
14h 05m
1 stop
ORD8:00 pmChicago O'Hare Intl
Feb 6
ORD9:55 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:35 pmCluj Napoca
$645
Find similar
LOT
Jan 22
CLJ6:00 pmCluj Napoca
34h 00m
1 stop
ORD8:00 pmChicago O'Hare Intl
Feb 6
ORD9:55 pmChicago O'Hare Intl
11h 40m
1 stop
CLJ5:35 pmCluj Napoca
$678
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Chicago O'Hare Intl Airport 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 December 26, 2025.
Use the filters below to find and compare flights from Cluj Napoca to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-5:35 pm

1 stop11h 40m

$644

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-5:35 pm

1 stop11h 40m

$645

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 1/22

6:00 pm-8:00 pm

1 stop34h 00m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-5:35 pm

1 stop11h 40m

$678

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Fri 2/27

9:55 pm-5:35 pm

1 stop11h 40m

$683

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Fri 2/6

9:50 pm-12:55 am

1 stop19h 05m

$693

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Wed 2/25

9:55 pm-5:20 pm

1 stop11h 25m

$702

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

6:00 am-3:20 pm

2 stops17h 20m

Chicago O'Hare Intl

Fri 2/6

9:50 pm-12:55 am

1 stop19h 05m

$707

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 1/23

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Fri 2/6

9:50 pm-12:55 am

1 stop19h 05m

$708

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Wed 4/1

9:40 pm-5:25 pm

1 stop11h 45m

$709

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Thu 2/26

9:50 pm-12:55 am

1 stop19h 05m

$711

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Cluj Napoca to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Cluj Napoca averaging around $709.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $672. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Cluj Napoca because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $740.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Cluj Napoca in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $672 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $733. 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 Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Cluj Napoca when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $779 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Cluj Napoca for as low as $678 on momondo.

When to book flights from Cluj Napoca to Chicago O'Hare Intl Airport

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

Cheap Cluj Napoca to Chicago O'Hare Intl Airport (CLJ to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cluj Napoca to Chicago O'Hare Intl Airport

Fastest flight time

20h 25m

Direct flights

None
The fastest flight from Cluj Napoca to Chicago O'Hare Intl Airport takes 20h 25m
There are no direct flights from Cluj Napoca to Chicago O'Hare Intl Airport. There are no popular flight routes from Cluj Napoca to Chicago O'Hare Intl Airport.
Search flight deals

  • How far is Cluj Napoca to Chicago O'Hare Intl by plane?

    The distance between Cluj Napoca and Chicago O'Hare Intl is about 5006.5 mi. Typically, this will take 20h 25m by plane in normal conditions.

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

    Prices for flights from Cluj Napoca Airport to Chicago O'Hare Intl Airport refresh daily.

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

  • How old do you have to be to fly from Cluj Napoca Airport to Chicago O'Hare Intl 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 Cluj Napoca Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Cluj Napoca to Chicago O'Hare Intl Airport?

Best airlines flying from Cluj Napoca to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Cluj Napoca to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $565Free CancellationRating
7.5
1,818 reviews
Search SWISS flights
LOTPriceFrom $573Free CancellationRating
7.5
1,152 reviews
Search LOT flights
Turkish AirlinesPriceFrom $620Free CancellationRating
7.3
4,113 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $671Free CancellationRating
7.4
9,115 reviews
Search United Airlines flights
LufthansaPriceFrom $709Free CancellationRating
6.8
7,655 reviews
Search Lufthansa flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Aurora
Elgin
Benton Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Cluj Napoca to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cluj Napoca to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Cluj Napoca to Chicago 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 Cluj Napoca to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cluj Napoca to Chicago.

I’m not ready to book a flight from Cluj Napoca to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Cluj Napoca to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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