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$440+ Cheap flights from Cluj Napoca (CLJ) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — CHI
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
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Cheap flight deals from Cluj Napoca to Chicago

Cheapest flights from Cluj Napoca to Chicago
Explore the most affordable flight options available from Cluj Napoca to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.

This LOT deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:00 pm
CLJ
-
ORD
1 stop34h 00m
LOT
Mon 11/169:55 pm
ORD
-
CLJ
1 stop31h 20m
LOT
Deal found 5/26$798
This Gotogate deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
CLJ
-
ORD
1 stop14h 35m
Lufthansa
Sat 9/269:40 pm
ORD
-
CLJ
1 stop11h 45m
Lufthansa
Deal found 5/27$801
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Mon 8/249:50 pm
ORD
-
CLJ
1 stop31h 30m
LOT
Deal found 5/26$806
This oojo deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Wed 8/269:50 pm
ORD
-
CLJ
1 stop31h 30m
LOT
Deal found 5/26$810
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Tue 8/259:50 pm
ORD
-
CLJ
1 stop11h 40m
LOT
Deal found 5/26$812
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:15 pm
CLJ
-
ORD
2 stops51h 15m
Multiple Airlines
Tue 8/257:05 pm
ORD
-
CLJ
1 stop30h 55m
Multiple Airlines
Deal found 5/27$817
This Justfly.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Thu 8/275:10 pm
ORD
-
CLJ
1 stop12h 10m
LOT
Deal found 5/26$818
This LOT deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 pm
CLJ
-
ORD
1 stop29h 00m
LOT
Fri 9/259:50 pm
ORD
-
CLJ
1 stop31h 30m
LOT
Deal found 5/28$822
This SWISS deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:35 pm
CLJ
-
ORD
1 stop29h 20m
SWISS
Tue 8/257:05 pm
ORD
-
CLJ
1 stop30h 55m
SWISS
Deal found 5/27$824
This SmartFares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:00 am
CLJ
-
ORD
1 stop16h 00m
Lufthansa
Sat 8/19:40 pm
ORD
-
CLJ
1 stop18h 50m
Lufthansa
Deal found 5/25$825

Find flight deals from Cluj Napoca to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Cluj Napoca (CLJ) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$798
(LOT)

One-way from

$440
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$886
Provider with most accurate pricing for Cluj Napoca-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cluj Napoca-Chicago (CHI) flights.
Search Deals
From Cluj Napoca to Chicago (CHI)
Search Deals
One-way flight from Cluj Napoca to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 29, 2026.
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

Cheapest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 6/15

3:35 pm-12:55 pm

1 stop29h 20m

Chicago O'Hare Intl

Sun 8/23

7:05 pm-2:50 pm

1 stop11h 45m

$824

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 6/15

3:35 pm-12:55 pm

1 stop29h 20m

Chicago O'Hare Intl

Tue 8/25

7:05 pm-10:00 am

1 stop30h 55m

$824
Quickest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/17

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Wed 8/26

6:00 pm-5:25 pm

1 stop15h 25m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 6/13

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Sat 6/27

6:00 pm-5:25 pm

1 stop15h 25m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/17

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 8/24

6:00 pm-5:25 pm

1 stop15h 25m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 7/21

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Wed 11/18

6:00 am-1:40 pm

2 stops23h 40m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 8/20

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Tue 9/15

10:25 am-1:10 pm

2 stops18h 45m

$831

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/17

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Fri 8/28

4:00 pm-5:25 pm

2 stops17h 25m

$832

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 8/28

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Fri 9/25

2:30 pm-5:25 pm

2 stops18h 55m

$832

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 6/13

6:00 am-9:12 pm

2 stops23h 12m

Chicago O'Hare Intl

Sat 6/27

6:00 pm-5:25 pm

1 stop15h 25m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Cluj Napoca to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cluj Napoca to Chicago in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cluj Napoca-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cluj Napoca-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cluj Napoca-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cluj Napoca-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cluj Napoca-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cluj Napoca to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Cluj Napoca with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cluj Napoca to Chicago

What is the cheapest month to book a flight from Cluj Napoca to Chicago?

Currently, July is the cheapest month in which you can book a flight from Cluj Napoca to Chicago (average of $348). Flying from Cluj Napoca to Chicago in August is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Cluj Napoca to Chicago?

How far ahead should I book a flight from Cluj Napoca to Chicago?

The price you pay for your flight from Cluj Napoca to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated May 29, 2026.
Read reviews from past customers who have flown LOT,Turkish Airlines, andUnited Airlines from Cluj Napoca to Chicago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,196 reviews

Boarding

7.5

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .
LOT
7.5
Good
1,196 reviews
LOT
7.5
Good
1,196 reviews

Boarding

7.5

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .
Turkish Airlines
7.4
Good
4,399 reviews
LOT
7.5
Good
1,196 reviews

Boarding

7.5

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .
United Airlines
7.4
Good
9,764 reviews
LOT
7.5
Good
1,196 reviews

Boarding

7.5

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .
Lufthansa
6.8
Okay
8,035 reviews
LOT
7.5
Good
1,196 reviews

Boarding

7.5

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .

Related info for your journey

Find useful and relevant information for your journey from Cluj Napoca to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cluj Napoca to Chicago?

    Cluj Napoca (CLJ), located 3.2 mi from the city center, is the airport you fly out of when you book flights from Cluj Napoca to Chicago. 5 airlines have flights from Napoca to Chicago on a regular basis. Booking flights from Cluj Napoca to Chicago should not be difficult; the airport handles an average of 0 outbound flights to Chicago per day.

  • How long is the flight from Cluj Napoca to Chicago?

    Airlines like SWISS, United Airlines, and Lufthansa fly from Cluj Napoca to Chicago in about 16h. The time it takes to get you to your destination can typically vary by up to 13h 20m. Airlines will cover a distance of 5008 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Cluj Napoca to Chicago round-trip?

    Currently priced at $602, SWISS will fly you from Cluj Napoca to Chicago and back. In addition to SWISS, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and United Airlines - these airlines can fly you to your destination from $609 and $609, respectively. Users have found that SWISS is 27% cheaper than the other options available to this destination.

  • Can I find deals for flights from Cluj Napoca to Chicago that include hotel bookings?

    Yes. In addition to deals on Cluj Napoca to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cluj Napoca to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cluj Napoca to Chicago.

  • Can I find deals for business class flights from Cluj Napoca to Chicago?

    Yes. Cheapflights offers flight deals from Cluj Napoca to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cluj Napoca to Chicago?

    Currently, July is the cheapest month in which you can book a flight from Cluj Napoca to Chicago (average of $348). Flying from Cluj Napoca to Chicago in August is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Hammond
Porter

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Alternative routes for Cluj Napoca to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to O'Hare Intl flights
Cluj Napoca to O'Hare Intl flights

Top 5 airlines flying from Cluj Napoca to Chicago

Discover the top 5 airlines that operate flights from Cluj Napoca to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$602Average$643FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$609Average$909FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$609Average$901FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$634Average$691FlexibilityNo cancel feeOn-time77%
LOTCheapest$659Average$770FlexibilityNo cancel feeOn-time81%

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