HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cluj Napoca

$447+ Cheap flights from O'Hare Intl (ORD) to Cluj Napoca (CLJ)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLJ
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Cluj Napoca 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.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Cluj Napoca are usually found in October or March, booked 17 days in advance, depart on a Saturday or Monday and return on a Tuesday

Find flight deals from O'Hare Intl to Cluj Napoca

Cheapest flights from O'Hare Intl to Cluj Napoca
Explore the most affordable flight options available from O'Hare Intl to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/299:50 pmORD - CLJ
1 stop19h 00mLufthansa
lun. 12/156:00 amCLJ - ORD
1 stop20h 25mLufthansa
Deal found 11/24$486
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/299:50 pmORD - CLJ
1 stop19h 00mMultiple Airlines
dom. 12/143:15 pmCLJ - ORD
1 stop33h 05mMultiple Airlines
Deal found 11/25$498
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/296:50 pmORD - CLJ
1 stop11h 40mMultiple Airlines
lun. 12/156:00 amCLJ - ORD
2 stops17h 20mMultiple Airlines
Deal found 11/24$502
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/94:10 pmORD - CLJ
1 stop33h 55mSWISS
dom. 1/113:15 pmCLJ - ORD
1 stop29h 30mSWISS
Deal found 11/25$516
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/294:10 pmORD - CLJ
1 stop14h 20mSWISS
dom. 12/143:15 pmCLJ - ORD
2 stops30h 55mSWISS
Deal found 11/25$524
This United Airlines deal was found by Cheapflights users on 11/26. 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.
sáb. 11/297:15 amORD - CLJ
2 stops22h 25mUnited Airlines
lun. 12/156:00 amCLJ - ORD
1 stop16h 10mUnited Airlines
Deal found 11/26$532
This United Airlines deal was found by Cheapflights users on 11/25. 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.
dom. 12/77:15 amORD - CLJ
2 stops22h 25mUnited Airlines
dom. 1/186:00 amCLJ - ORD
1 stop20h 25mUnited Airlines
Deal found 11/25$533
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/79:50 pmORD - CLJ
1 stop19h 05mLufthansa
sáb. 1/176:00 amCLJ - ORD
1 stop20h 25mLufthansa
Deal found 11/25$534
This United Airlines deal was found by Cheapflights users on 11/25. 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.
jue. 12/258:15 pmORD - CLJ
2 stops33h 25mUnited Airlines
jue. 1/156:00 amCLJ - ORD
1 stop20h 25mUnited Airlines
Deal found 11/25$535
This CheapOair deal was found by Cheapflights users on 11/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:05 pmORD - CLJ
2 stops53h 00mMultiple Airlines
lun. 12/86:00 amCLJ - ORD
2 stops37h 18mMultiple Airlines
Deal found 11/26$538
This SWISS deal was found by Cheapflights users on 11/26. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/19:05 pmORD - CLJ
2 stops53h 00mSWISS
lun. 12/83:25 pmCLJ - ORD
1 stop29h 20mSWISS
Deal found 11/26$539

Cheap flight deals from O'Hare Intl to Cluj Napoca

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Cluj Napoca (CLJ). 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 noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Kiwi.com)

One-way from

$447
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$684
Provider with most accurate pricing for Chicago O'Hare Intl-Cluj Napoca flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Cluj Napoca flights.
Search Deals
From Chicago O'Hare Intl to Cluj Napoca
Search Deals
One-way flight from Chicago O'Hare Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($252 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Cluj Napoca 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 noviembre 26, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cluj Napoca that are best for you.

Fly from

O'Hare Intl

Fly to

Cluj Napoca

Route

Depart

Return

Price

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

lun. 2/9

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

dom. 2/22

6:00 am-6:25 pm

1 stop20h 25m

$529

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 2/10

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

mar. 2/24

6:00 am-6:25 pm

1 stop20h 25m

$529

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

vie. 3/13

6:00 am-7:25 pm

1 stop20h 25m

$529

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 2/10

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

jue. 2/26

6:00 am-2:10 pm

1 stop16h 10m

$529

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mié. 3/4

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

mié. 3/11

6:00 am-7:25 pm

1 stop20h 25m

$529

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 2/10

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

sáb. 2/21

6:00 am-2:10 pm

1 stop16h 10m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mié. 3/4

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

lun. 3/16

6:00 am-7:25 pm

1 stop20h 25m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

jue. 3/12

6:00 am-7:25 pm

1 stop20h 25m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 2/10

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

dom. 2/22

6:00 am-6:25 pm

1 stop20h 25m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

mié. 3/11

6:00 am-7:25 pm

1 stop20h 25m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 15 results
1
2

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

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 O'Hare Intl to Cluj Napoca in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 Chicago O'Hare Intl Airport-Cluj Napoca flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Cluj Napoca flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Cluj Napoca flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Cluj Napoca 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 Chicago O'Hare Intl Airport-Cluj Napoca 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 O'Hare Intl to Cluj Napoca

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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Cluj Napoca. Price data was last updated on November 21, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Cluj Napoca, you should look to book at least 17 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 Chicago O'Hare Intl Airport to Cluj Napoca?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cluj Napoca (average of $491). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $928). 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 ORD to CLJ?

Find hourly flight availability from O'Hare Intl to Cluj Napoca. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 26, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 37% on flights from Chicago O'Hare Intl Airport to Cluj Napoca by exploring options for tickets in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Cluj Napoca?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Cluj Napoca. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Cluj Napoca flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Cluj Napoca?

Reviews of airlines servicing Cluj Napoca

Get insights into the airlines that provide service to Cluj Napoca. 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 Cluj Napoca. Reviews last updated noviembre 26, 2025.
Get a feel of what it's like to fly with LOT, SWISS, and United Airlines from Chicago O'Hare Intl Airport to Cluj Napoca 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
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,140 reviews
LOT
7.5
Good
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
SWISS
7.5
Good
1,794 reviews
LOT
7.5
Good
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
United Airlines
7.4
Good
9,047 reviews
LOT
7.5
Good
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,063 reviews
LOT
7.5
Good
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,594 reviews
LOT
7.5
Good
1,140 reviews

Crew

8.2

Comfort

7.5

Boarding

7.6

Overall

7.5

Food

7.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Cluj Napoca. 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 into for flights to Cluj Napoca from Chicago O'Hare Intl?

    Located just 3.2 mi from the city center, Cluj Napoca is the airport most travelers will use when flying to Cluj Napoca from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Napoca (CLJ) should be relatively easy as there are 0 daily inbound flights from Chicago O'Hare Intl from 5 different airlines.

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

    There are many flights that can get you from Chicago O'Hare Intl Airport to Cluj Napoca in 11h 40m. Fly via United Airlines or Lufthansa to get the fastest option. There are 5008 mi between Chicago O'Hare Intl Airport and Cluj Napoca. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Turkish Airlines is currently your cheapest option to Cluj Napoca, with prices starting at $535. Additional round-trip tickets that might be worth considering are offered by Lufthansa and LOT, with the lowest prices starting at $571 and $582, respectively. Users have found that Turkish Airlines is 29% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cluj Napoca (average of $491). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $928). 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

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.

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

Discover the top 5 airlines that operate flights from O'Hare Intl to Cluj Napoca. 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$535Average$791FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$571Average$902FlexibilityNo cancel feeOn-time76%
LOTCheapest$582Average$975FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$588Average$785FlexibilityNo cancel feeOn-time69%
SWISSCheapest$609Average$1,024FlexibilityNo cancel feeOn-time79%

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.