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Cheap flights from Cluj Napoca to Chicago from $639

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
$639LOT
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
$641LOT
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
$647LOT
Sat, Feb 7 - Fri, Feb 27
Turkish Airlines Logo
9:15 pm - 10:05 am
CLJ
-
ORD
20h 50m1 stop
Turkish Airlines Logo
12:50 pm - 9:00 am
ORD
-
CLJ
13h 10m1 stop
$661Turkish Airlines
Sun, Mar 1 - Sun, Mar 8
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
$676LOT
Sat, Feb 7 - Wed, Feb 25
LOT Logo
1:55 pm - 8:00 pm
CLJ
-
ORD
14h 05m1 stop
LOT Logo
9:55 pm - 1:15 pm
ORD
-
CLJ
31h 20m1 stop
$677LOT
Wed, Feb 11 - Thu, Feb 26
Multiple Airlines Logo
6:35 pm - 2:45 pm
CLJ
-
ORD
28h 10m2 stops
Multiple Airlines Logo
6:30 pm - 1:30 am
ORD
-
CLJ
23h 00m3 stops
$679Multiple Airlines
Sat, Jan 24 - Fri, Feb 6
LOT Logo
1:35 pm - 8:00 pm
CLJ
-
ORD
14h 25m1 stop
LOT Logo
10:55 pm - 1:15 pm
ORD
-
CLJ
55h 20m2 stops
$684LOT
Sun, Mar 1 - Sun, Mar 8
LOT Logo
1:35 pm - 7:55 pm
CLJ
-
ORD
38h 20m2 stops
LOT Logo
10:55 pm - 1:15 pm
ORD
-
CLJ
55h 20m2 stops
$698LOT
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
6:00 am - 6:25 pm
CLJ
-
ORD
20h 25m1 stop
Multiple Airlines Logo
4:10 pm - 10:05 am
ORD
-
CLJ
33h 55m1 stop
$700Multiple Airlines
Tue, Feb 10 - Tue, Feb 24

United Airlines flights from Cluj Napoca to Chicago

Our best United Airlines deals on Cluj Napoca to Chicago flight tickets
United Airlines
Feb 9
CLJ6:00 amCluj Napoca
16h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Feb 23
ORD1:02 pmChicago O'Hare Intl
16h 38m
2 stops
CLJ1:40 pmCluj Napoca
$703
Find similar
United Airlines
Feb 8
CLJ6:00 amCluj Napoca
20h 25m
1 stop
ORD6:25 pmChicago O'Hare Intl
Feb 21
ORD1:55 pmChicago O'Hare Intl
15h 45m
2 stops
CLJ1:40 pmCluj Napoca
$704
Find similar
United Airlines
Jan 24
CLJ6:00 amCluj Napoca
20h 15m
2 stops
ORD6:15 pmChicago O'Hare Intl
Feb 6
ORD8:00 pmChicago O'Hare Intl
33h 40m
2 stops
CLJ1:40 pmCluj Napoca
$709
Find similar

Lufthansa flights from Cluj Napoca to Chicago

Our best Lufthansa deals on Cluj Napoca to Chicago flight tickets
Lufthansa
Jan 21
CLJ6:00 amCluj Napoca
17h 20m
2 stops
ORD3:20 pmChicago O'Hare Intl
Jan 27
ORD9:50 pmChicago O'Hare Intl
19h 05m
1 stop
CLJ12:55 amCluj Napoca
$783
Find similar
Lufthansa
Dec 16
CLJ6:00 amCluj Napoca
16h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Jan 14
ORD9:50 pmChicago O'Hare Intl
19h 05m
1 stop
CLJ12:55 amCluj Napoca
$798
Find similar
Lufthansa
Dec 16
CLJ6:00 amCluj Napoca
17h 20m
2 stops
ORD3:20 pmChicago O'Hare Intl
Jan 21
ORD9:50 pmChicago O'Hare Intl
19h 05m
1 stop
CLJ12:55 amCluj Napoca
$799
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Chicago 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 7, 2025.
Use the filters below to find and compare flights from Cluj Napoca to Chicago 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

$639

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

$641

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 2/7

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

$647

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 3/1

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Sun 3/8

12:50 pm-9:00 am

1 stop13h 10m

$661

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 2/7

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

$676

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 2/11

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Thu 2/26

9:55 pm-1:15 pm

1 stop31h 20m

$677

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

6:35 pm-2:45 pm

2 stops28h 10m

Chicago O'Hare Intl

Fri 2/6

6:30 pm-1:30 am

3 stops23h 00m

$679

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 3/1

1:35 pm-8:00 pm

1 stop14h 25m

Chicago O'Hare Intl

Sun 3/8

10:55 pm-1:15 pm

2 stops55h 20m

$684

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 3/1

1:35 pm-7:55 pm

2 stops38h 20m

Chicago O'Hare Intl

Sun 3/8

10:55 pm-1:15 pm

2 stops55h 20m

$698

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 2/10

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Tue 2/24

4:10 pm-10:05 am

1 stop33h 55m

$700

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Cluj Napoca to Chicago

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?

The month of April is, on average, the cheapest month to fly to Chicago from Cluj Napoca, with most prices found around $701. If you’re not able to fly to Chicago in April, then February is your next best option. Flight prices from Cluj Napoca to Chicago during February average around $715.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $699. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Cluj Napoca to Chicago for around $826.

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

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Cluj Napoca to Chicago during this time can be as low as $696. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $796.

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

You are more likely to see cheaper flights to Chicago from Cluj Napoca when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $784 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Cluj Napoca for as low as $678 on momondo.

How have Cluj Napoca to Chicago flight prices changed over time?

When to book flights from Cluj Napoca to Chicago

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

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

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Cluj Napoca to Chicago takes 16h 10m
There are no direct flights from Cluj Napoca to Chicago. There are no popular flight routes from Cluj Napoca to Chicago.
Search flight deals

  • How far is Cluj Napoca to Chicago by plane?

    Cluj Napoca and Chicago are 5002.3 mi apart from one another. Typically, this will take 14h 05m by plane in normal conditions.

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

    Prices for flights from Cluj Napoca Airport to Chicago were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cluj Napoca Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago 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 Cluj Napoca to Chicago?

Best airlines flying from Cluj Napoca to Chicago

Compare and see reviews for airlines that fly from Cluj Napoca to Chicago with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $565Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
LOTPriceFrom $573Free CancellationRating
7.5
1,143 reviews
Search LOT flights
Turkish AirlinesPriceFrom $620Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $671Free CancellationRating
7.4
9,076 reviews
Search United Airlines flights
LufthansaPriceFrom $709Free CancellationRating
6.8
7,616 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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Hammond
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Saint Joseph
Portage
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Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

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?

All flight searches from Cluj Napoca to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Cluj Napoca.

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

Yes momondo offers price alerts on flights to Chicago from Cluj Napoca. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport