HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$449+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cluj Napoca to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 11, 2026.

This oojo deal was found by Cheapflights users on 6/8. 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.
Wed 9/26:10 pm
CLJ
-
ORD
1 stop33h 40m
LOT
Tue 9/229:50 pm
ORD
-
CLJ
1 stop31h 30m
LOT
Deal found 6/8$759
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 10/62:00 pm
CLJ
-
ORD
1 stop13h 50m
LOT
Tue 10/139:50 pm
ORD
-
CLJ
1 stop11h 40m
LOT
Deal found 6/9$772
This oojo deal was found by Cheapflights users on 6/10. 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 9/172:00 pm
CLJ
-
ORD
1 stop13h 50m
LOT
Sun 9/209:50 pm
ORD
-
CLJ
1 stop31h 30m
LOT
Deal found 6/10$785
This LOT deal was found by Cheapflights users on 6/9. 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 11/56:00 pm
CLJ
-
ORD
1 stop33h 55m
LOT
Mon 11/99:50 pm
ORD
-
CLJ
1 stop31h 25m
LOT
Deal found 6/9$793
This Gotogate deal was found by Cheapflights users on 6/10. 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 8/66:00 am
CLJ
-
ORD
2 stops14h 55m
Lufthansa
Wed 8/193:35 pm
ORD
-
CLJ
1 stop13h 35m
Lufthansa
Deal found 6/10$800
This Flighttix deal was found by Cheapflights users on 6/8. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:00 am
CLJ
-
ORD
1 stop16h 00m
Multiple Airlines
Sun 8/97:05 pm
ORD
-
CLJ
1 stop11h 45m
Multiple Airlines
Deal found 6/8$815
This Booking.com deal was found by Cheapflights users on 6/7. 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.
Mon 7/63:35 pm
CLJ
-
ORD
1 stop29h 00m
Multiple Airlines
Mon 7/209:40 pm
ORD
-
CLJ
1 stop11h 45m
Multiple Airlines
Deal found 6/7$818

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$759
(oojo)

One-way from

$449
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$867
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.
Search Deals
From Cluj Napoca to Chicago O'Hare Intl
Search Deals
One-way flight from Cluj Napoca to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 11, 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
Quickest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 7/26

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Sun 8/9

7:05 pm-2:50 pm

1 stop11h 45m

$821

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 10/17

1:50 pm-6:15 pm

1 stop12h 25m

Chicago O'Hare Intl

Sat 10/24

7:00 am-2:40 pm

2 stops23h 40m

$824

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 8/27

6:00 am-6:15 pm

1 stop20h 15m

Chicago O'Hare Intl

Sun 9/6

4:00 pm-5:25 pm

2 stops17h 25m

$824

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 8/26

6:00 am-6:15 pm

1 stop20h 15m

Chicago O'Hare Intl

Mon 9/7

9:40 pm-5:25 pm

1 stop11h 45m

$824

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 8/6

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Wed 8/19

3:35 pm-5:25 pm

1 stop17h 50m

$826

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 7/12

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Sat 7/25

10:05 am-5:25 pm

2 stops23h 20m

$826

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 8/21

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Sat 9/12

10:40 am-5:25 pm

2 stops22h 45m

$828

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 8/27

6:00 am-10:30 pm

2 stops24h 30m

Chicago O'Hare Intl

Tue 9/8

2:00 pm-1:10 pm

2 stops15h 10m

$830

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 7/24

6:00 am-9:17 am

2 stops35h 17m

Chicago O'Hare Intl

Sat 12/12

12:49 pm-1:40 pm

2 stops16h 51m

$832

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 8/7

6:00 am-7:55 pm

2 stops21h 55m

Chicago O'Hare Intl

Mon 8/24

9:40 pm-5:25 pm

1 stop11h 45m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 15 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 June.
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 $1,038). 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 June 11, 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
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.
LOT
7.5
Good
1,198 reviews
LOT
7.5
Good
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.
SWISS
7.5
Good
1,969 reviews
LOT
7.5
Good
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.
Turkish Airlines
7.4
Good
4,409 reviews
LOT
7.5
Good
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.
United Airlines
7.4
Good
9,804 reviews
LOT
7.5
Good
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.
Lufthansa
6.8
Okay
8,055 reviews
LOT
7.5
Good
1,198 reviews

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.2

Reviews

1 / 20
10.0
Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.

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 12h 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 24% 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 $706 and $779, 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, 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 $1,038). 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
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$602Average$643FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$609Average$992FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$609Average$870FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$634Average$691FlexibilityNo cancel feeOn-time77%
LOTCheapest$659Average$781FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.