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O'Hare Intl

$415+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
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 February 27, 2026.

This Gotogate deal was found by Cheapflights users on 2/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:50 am
CLJ
-
ORD
1 stop13h 30m
SWISS
Wed 4/12:20 pm
ORD
-
CLJ
1 stop11h 40m
SWISS
Deal found 2/25$668
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 9/37:00 am
CLJ
-
ORD
1 stop12h 50m
Multiple Airlines
Mon 9/143:35 pm
ORD
-
CLJ
1 stop13h 35m
Multiple Airlines
Deal found 2/26$671
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Thu 3/196:00 am
CLJ
-
ORD
1 stop20h 25m
United Airlines
Wed 4/17:30 am
ORD
-
CLJ
2 stops21h 40m
United Airlines
Deal found 2/23$676
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
CLJ
-
ORD
1 stop20h 15m
United Airlines
Wed 4/229:15 am
ORD
-
CLJ
2 stops19h 55m
United Airlines
Deal found 2/26$677
This Gotogate deal was found by Cheapflights users on 2/23. 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.
Thu 4/96:00 am
CLJ
-
ORD
2 stops21h 55m
Lufthansa
Thu 4/169:40 pm
ORD
-
CLJ
1 stop11h 45m
Lufthansa
Deal found 2/23$686
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:00 am
CLJ
-
ORD
2 stops17h 20m
Multiple Airlines
Wed 4/12:20 pm
ORD
-
CLJ
1 stop11h 40m
Multiple Airlines
Deal found 2/24$690

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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$668
(Gotogate)

One-way from

$415
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$669
Provider with most accurate pricing for Cluj Napoca-Chicago O'Hare Intl flight deals.
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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. 7% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 27, 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

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 3/19

6:00 am-7:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Wed 4/1

9:20 pm-1:10 pm

2 stops31h 50m

$682

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 4/23

6:00 am-6:15 pm

1 stop20h 15m

Chicago O'Hare Intl

Thu 5/7

7:05 pm-1:10 pm

2 stops34h 05m

$697

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 3/10

6:00 am-7:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Mon 3/16

10:50 pm-1:40 pm

1 stop31h 50m

$734

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 3/9

6:00 am-3:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Mon 3/16

10:50 pm-1:40 pm

1 stop31h 50m

$734

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/3

6:00 pm-7:09 pm

2 stops33h 09m

Chicago O'Hare Intl

Wed 8/12

2:20 pm-10:00 am

1 stop11h 40m

$754

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/10

9:05 pm-9:40 am

1 stop20h 35m

Chicago O'Hare Intl

Wed 8/12

11:25 am-9:05 am

1 stop13h 40m

$768

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 5/8

1:50 pm-7:26 am

2 stops25h 36m

Chicago O'Hare Intl

Fri 6/12

7:09 am-1:10 pm

2 stops22h 01m

$778

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 3/17

6:00 am-7:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Sat 7/11

10:26 am-1:10 pm

2 stops18h 44m

$781

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 3/11

10:05 am-12:40 am

2 stops21h 35m

$441

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 3/18

9:20 pm-9:00 pm

3 stops30h 40m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Cluj Napoca to O'Hare Intl. Price data was last updated on February 20, 2026.

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 31 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, October is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $588). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $763). 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.

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 February 27, 2026.
Get a feel of what it's like to fly with SWISS, LOT, and United 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.
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.6
Good
1,883 reviews
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
LOT
7.5
Good
1,182 reviews
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
United Airlines
7.4
Good
9,349 reviews
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Turkish Airlines
7.3
Good
4,240 reviews
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Lufthansa
6.8
Okay
7,815 reviews
SWISS
7.6
Good
1,883 reviews

Comfort

7.4

Food

7.1

Crew

8.3

Overall

7.6

Boarding

7.7

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

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 20h 25m. The distance from Cluj Napoca to Chicago O'Hare Intl Airport is about 5008 mi.

  • 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.

  • What are the cheapest airlines to fly from Cluj Napoca to Chicago O'Hare Intl Airport one-way?

    $499 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Turkish Airlines and LOT, with prices starting from $606 and $717, respectively.

  • 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, October is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $588). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $763). 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
Schaumburg
Rosemont
Gurnee
Naperville
Hoffman Estates
Beloit
Delavan
Des Plaines
Elgin
Downers Grove
Elk Grove Village
Skokie
Oak Brook
South Holland
Libertyville
Oakbrook Terrace
Lake Geneva
Waukegan
Bridgeview
Kenosha

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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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$602Average$661FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$609Average$880FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$609Average$870FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$649Average$741FlexibilityNo cancel feeOn-time77%
LOTCheapest$652Average$792FlexibilityNo cancel feeOn-time81%

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