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O'Hare Intl

$427+ Cheap flights from Cluj Napoca (CLJ) to O'Hare Intl (ORD)

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
1 adult, Economy
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Cheap flight deals from Cluj Napoca to O'Hare Intl

Cheapest flights from Cluj Napoca to O'Hare Intl
Explore the most affordable flight options available from Cluj Napoca to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.

This LOT deal was found by Cheapflights users on 5/22. 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 5/22$797
This Gotogate deal was found by Cheapflights users on 5/21. 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.
Mon 6/223:35 pm
CLJ
-
ORD
1 stop32h 20m
SWISS
Sun 8/162:20 pm
ORD
-
CLJ
1 stop16h 30m
SWISS
Deal found 5/21$802
This Gotogate deal was found by Cheapflights users on 5/21. 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.
Mon 6/229:05 pm
CLJ
-
ORD
1 stop20h 35m
Turkish Airlines
Mon 7/68:10 pm
ORD
-
CLJ
1 stop28h 55m
Turkish Airlines
Deal found 5/21$812
This LOT deal was found by Cheapflights users on 5/21. 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.
Mon 10/56:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Mon 11/29:55 pm
ORD
-
CLJ
1 stop31h 20m
LOT
Deal found 5/21$822
This SWISS deal was found by Cheapflights users on 5/22. 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 9/73:35 pm
CLJ
-
ORD
1 stop32h 20m
SWISS
Sat 9/267:05 pm
ORD
-
CLJ
1 stop11h 45m
SWISS
Deal found 5/22$823
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
This Orbitz deal was found by Cheapflights users on 5/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
CLJ
-
ORD
1 stop20h 15m
Multiple Airlines
Wed 8/192:20 pm
ORD
-
CLJ
1 stop11h 40m
Multiple Airlines
Deal found 5/22$827
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
CLJ
-
ORD
1 stop16h 00m
Lufthansa
Sat 11/289:50 pm
ORD
-
CLJ
1 stop19h 05m
Lufthansa
Deal found 5/25$830
This lol.travel deal was found by Cheapflights users on 5/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
CLJ
-
ORD
2 stops16h 55m
Multiple Airlines
Sun 8/167:05 pm
ORD
-
CLJ
1 stop11h 45m
Multiple Airlines
Deal found 5/21$832
This Air Canada deal was found by Cheapflights users on 5/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:50 pm
CLJ
-
ORD
2 stops32h 53m
Air Canada
Fri 9/2511:05 am
ORD
-
CLJ
2 stops22h 20m
Air Canada
Deal found 5/22$834
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 am
CLJ
-
ORD
2 stops24h 20m
United Airlines
Fri 11/275:00 am
ORD
-
CLJ
2 stops24h 40m
United Airlines
Deal found 5/25$835

Find flight deals from Cluj Napoca to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cluj Napoca (CLJ) to O'Hare Intl (ORD). 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 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$797
(LOT)

One-way from

$427
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$746
Provider with most accurate pricing for Cluj Napoca-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cluj Napoca-Chicago O'Hare Intl flights.
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From Cluj Napoca to Chicago O'Hare Intl
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One-way flight from Cluj Napoca to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to O'Hare Intl 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 26, 2026.
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

Cheapest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 11/12

6:00 pm-8:00 pm

1 stop34h 00m

Chicago O'Hare Intl

Mon 11/16

9:55 pm-1:15 pm

1 stop31h 20m

$799

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 7/16

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Wed 7/29

10:00 am-1:10 pm

2 stops19h 10m

$830
Quickest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 10/7

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Tue 11/3

6:00 pm-1:40 pm

1 stop11h 40m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 6/15

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 6/29

10:00 am-1:10 pm

2 stops19h 10m

$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

Wed 6/24

6:00 am-6:15 pm

1 stop20h 15m

Chicago O'Hare Intl

Wed 8/19

10:50 am-1:10 pm

2 stops18h 20m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 10/5

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Tue 10/27

7:00 pm-1:40 pm

1 stop11h 40m

$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

Wed 6/24

6:00 am-7:50 am

2 stops33h 50m

Chicago O'Hare Intl

Wed 8/19

8:45 am-10:00 am

2 stops17h 15m

$834

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 7/25

6:00 am-10:20 pm

2 stops24h 20m

Chicago O'Hare Intl

Fri 11/27

5:00 am-1:40 pm

2 stops24h 40m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Cluj Napoca to O'Hare Intl

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 O'Hare Intl 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 O'Hare Intl Airport 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 O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cluj Napoca-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cluj Napoca-Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from Cluj Napoca to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Cluj Napoca to Chicago O'Hare Intl Airport, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Cluj Napoca to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $667). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,037). 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 O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated May 26, 2026.
Get a feel of what it's like to fly with LOT,SWISS, andTurkish Airlines from Cluj Napoca to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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
1,195 reviews
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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 .
SWISS
7.5
Good
1,958 reviews
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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
4,395 reviews
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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
9,749 reviews
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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
8,029 reviews
LOT
7.5
Good
1,195 reviews

Boarding

7.6

Comfort

7.4

Overall

7.5

Entertainment

6.9

Food

7.1

Crew

8.2

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 O'Hare Intl. 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 O'Hare Intl?

    Most people fly from Cluj Napoca (CLJ) if they book a flight from Cluj Napoca to Chicago O'Hare Intl. On average, Napoca has 0 outbound flights to Chicago O'Hare Intl per day from 5 airlines. Cluj Napoca is conveniently located just 3.2 mi from Cluj Napoca’s city center.

  • How long is the flight from Cluj Napoca to Chicago O'Hare Intl Airport?

    Departing from Cluj Napoca to Chicago O'Hare Intl Airport will take you 14h 35m. The distance from Cluj Napoca to Chicago O'Hare Intl Airport is about 5008 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Cluj Napoca to Chicago O'Hare Intl Airport round-trip?

    Flying on SWISS is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $602. Additional round-trip tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at $609 and $609, respectively. SWISS is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Cluj Napoca to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from Cluj Napoca to O'Hare Intl?

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

  • Can I find deals for business class flights from Cluj Napoca to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Cluj Napoca to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $667). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,037). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Schaumburg
Benton Harbor
Naperville
Lake Geneva
Delavan
Oakbrook Terrace
Gurnee
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Willowbrook

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Alternative routes for Cluj Napoca to O'Hare Intl

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

Top 5 airlines flying from Cluj Napoca to O'Hare Intl

Discover the top 5 airlines that operate flights from Cluj Napoca to O'Hare Intl. 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 26, 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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