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O'Hare Intl

$344+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Cluj Napoca to O'Hare Intl with Cheapflights

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Cheapflights Tip: The best prices from Cluj Napoca to Chicago O'Hare Intl are usually found in February or April, booked 46 days in advance, depart on a Tuesday or Saturday and return on a Saturday

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 December 12, 2025.

This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Fri 1/169:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 12/10$690
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Thu 1/299:55 pmORD - CLJ
1 stop11h 25mLOT
Deal found 12/11$714
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Fri 1/309:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 12/11$715
This SWISS deal was found by Cheapflights users on 12/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:25 pmCLJ - ORD
1 stop32h 55mSWISS
Sat 1/314:10 pmORD - CLJ
1 stop14h 20mSWISS
Deal found 12/10$723
This Lufthansa deal was found by Cheapflights users on 12/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amCLJ - ORD
1 stop16h 10mMultiple Airlines
Sat 1/316:50 pmORD - CLJ
1 stop11h 40mMultiple Airlines
Deal found 12/10$727
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:50 amCLJ - ORD
1 stop13h 30mMultiple Airlines
Thu 2/129:50 pmORD - CLJ
1 stop19h 05mMultiple Airlines
Deal found 12/10$728
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:00 amCLJ - ORD
1 stop16h 10mUnited Airlines
Sat 1/3110:52 amORD - CLJ
2 stops18h 48mUnited Airlines
Deal found 12/10$731
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:25 pmCLJ - ORD
2 stops29h 21mUnited Airlines
Mon 2/26:00 pmORD - CLJ
1 stop11h 40mUnited Airlines
Deal found 12/10$736
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/236:00 amCLJ - ORD
2 stops25h 44mUnited Airlines
Wed 1/218:58 pmORD - CLJ
2 stops32h 42mUnited Airlines
Deal found 12/11$737
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amCLJ - ORD
2 stops17h 20mUnited Airlines
Sun 2/16:00 pmORD - CLJ
1 stop11h 40mUnited Airlines
Deal found 12/10$740
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:25 pmCLJ - ORD
1 stop31h 45mUnited Airlines
Mon 2/96:00 pmORD - CLJ
1 stop11h 40mUnited Airlines
Deal found 12/10$741
This SWISS deal was found by Cheapflights users on 12/11. 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 12/223:25 pmCLJ - ORD
1 stop32h 55mSWISS
Fri 1/95:50 pmORD - CLJ
2 stops36h 40mSWISS
Deal found 12/11$743

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$582

One-way from

$344
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$726
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 ($61 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 December 2025
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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 December 12, 2025.
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

Cluj Napoca

Fly to

O'Hare Intl

Route

Depart

Return

Price

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 2/5

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Tue 3/31

6:16 pm-5:25 pm

2 stops15h 09m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 1/19

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Mon 2/23

6:00 am-1:40 pm

2 stops23h 40m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 2/8

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Wed 4/1

9:40 pm-5:25 pm

1 stop11h 45m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 2/2

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Sun 4/5

7:10 am-1:10 pm

2 stops22h 00m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Tue 2/17

12:00 pm-1:40 pm

2 stops17h 40m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Mon 2/23

1:02 pm-1:40 pm

2 stops16h 38m

$703

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 1/25

9:15 pm-6:25 pm

1 stop29h 10m

Chicago O'Hare Intl

Sun 3/15

12:50 pm-9:00 am

1 stop13h 10m

$704

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 1/25

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Sun 4/5

7:50 pm-8:25 pm

1 stop16h 35m

$705

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Fri 4/3

7:50 pm-9:05 am

1 stop29h 15m

$707

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 1/26

6:00 am-4:06 pm

2 stops18h 06m

Chicago O'Hare Intl

Wed 3/11

1:06 pm-1:40 pm

2 stops17h 34m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cluj Napoca-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 2025.

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 46 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, April is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $545). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $757). 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.

What is the cheapest time of day to fly from CLJ to ORD?

Find hourly flight availability from Cluj Napoca to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Cluj Napoca to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

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 December 12, 2025.
Get a feel of what it's like to fly with LOT, SWISS, 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.
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
LOT
7.6
Good
1,146 reviews
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
SWISS
7.5
Good
1,810 reviews
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
United Airlines
7.4
Good
9,093 reviews
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Turkish Airlines
7.3
Good
4,090 reviews
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Lufthansa
6.8
Okay
7,626 reviews
LOT
7.6
Good
1,146 reviews

Boarding

7.6

Food

7.1

Entertainment

6.9

Crew

8.2

Comfort

7.5

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

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 $565. Additional round-trip tickets that might be worth considering are offered by LOT and Turkish Airlines, with the lowest prices starting at $573 and $620, respectively. SWISS is 27% 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?

    $606 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and LOT, with prices starting from $669 and $699, 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, April is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $545). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $757). 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
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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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
Sibiu to O'Hare Intl flights
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$565Average$691FlexibilityNo cancel feeOn-time79%
LOTCheapest$573Average$762FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$620Average$764FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$671Average$735FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$709Average$885FlexibilityNo cancel feeOn-time76%

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