HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cluj Napoca

$472+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLJ
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 February or November, booked 27 days in advance, depart on a Saturday or Monday and return on a Tuesday

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 July 3, 2025.

Round-trip from

$678
(Lufthansa)

One-way from

$472
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,009
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. 23% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Lufthansa deal was found by Cheapflights users on 7/2. 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 7/232:20 pmORD - CLJ
1 stop11h 35mMultiple Airlines
Wed 10/16:00 amCLJ - ORD
1 stop14h 30mMultiple Airlines
Deal found 7/2$678
This Ovago deal was found by Cheapflights users on 7/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:05 pmORD - CLJ
2 stops17h 15mLufthansa
Wed 9/176:00 amCLJ - ORD
1 stop14h 30mLufthansa
Deal found 7/1$684
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Mon 8/259:55 amORD - CLJ
2 stops19h 10mAir Canada
Wed 9/176:00 amCLJ - ORD
2 stops34h 01mAir Canada
Deal found 7/1$687
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:45 pmORD - CLJ
1 stop25h 20mTurkish Airlines
Sat 9/279:55 amCLJ - ORD
1 stop16h 00mTurkish Airlines
Deal found 7/1$688
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sun 8/104:05 pmORD - CLJ
2 stops17h 10mUnited Airlines
Wed 8/201:45 pmCLJ - ORD
2 stops30h 25mUnited Airlines
Deal found 7/1$698
This oojo deal was found by Cheapflights users on 7/3. 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.
Sat 9/135:10 pmORD - CLJ
1 stop12h 10mLOT
Fri 9/262:00 pmCLJ - ORD
2 stops33h 10mLOT
Deal found 7/3$705
This SWISS deal was found by Cheapflights users on 7/2. 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.
Tue 7/297:05 pmORD - CLJ
1 stop30h 50mSWISS
Thu 8/2110:40 amCLJ - ORD
1 stop13h 15mSWISS
Deal found 7/2$730

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 July 3, 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

Wed 7/23

2:20 pm-9:55 am

1 stop11h 35m

Cluj Napoca

Wed 10/1

6:00 am-12:30 pm

1 stop14h 30m

$678

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 8/25

4:05 pm-5:20 pm

2 stops17h 15m

Cluj Napoca

Wed 9/17

6:00 am-12:30 pm

1 stop14h 30m

$684

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 8/25

9:55 am-1:05 pm

2 stops19h 10m

Cluj Napoca

Wed 9/17

6:00 am-8:01 am

2 stops34h 01m

$687

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 9/10

11:45 pm-9:05 am

1 stop25h 20m

Cluj Napoca

Sat 9/27

9:55 am-5:55 pm

1 stop16h 00m

$688

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 8/10

4:05 pm-5:15 pm

2 stops17h 10m

Cluj Napoca

Wed 8/20

1:45 pm-12:10 pm

2 stops30h 25m

$698

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 9/13

5:10 pm-1:20 pm

1 stop12h 10m

Cluj Napoca

Fri 9/26

2:00 pm-3:10 pm

2 stops33h 10m

$705

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/29

7:05 pm-9:55 am

1 stop30h 50m

Cluj Napoca

Thu 8/21

10:40 am-3:55 pm

1 stop13h 15m

$730

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/8

10:46 am-11:10 pm

3 stops28h 24m

$472

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/8

9:40 pm-5:15 pm

1 stop11h 35m

$609

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 7/8

7:05 pm-9:55 am

1 stop30h 50m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 June 27, 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 27 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cluj Napoca (average of $677). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $1,304). 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 July 3, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 38% 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 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
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,092 reviews
LOT
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,654 reviews
LOT
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,861 reviews
LOT
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,895 reviews
LOT
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Air Canada
7.1
Good
9,681 reviews
LOT
7.6
Good
1,092 reviews

Comfort

7.5

Food

7.2

Overall

7.6

Crew

8.2

Entertainment

7.0

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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.

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

    Flying on Lufthansa is currently your cheapest option to Cluj Napoca, with prices starting at $684. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $686 and $687, respectively. Users have found that Lufthansa is 13% 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Cluj Napoca (average of $677). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $1,304). 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$500Average$935FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$534Average$788FlexibilityNo cancel feeOn-time77%
LOTCheapest$576Average$891FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$589Average$787FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$648Average$938FlexibilityNo cancel feeOn-time76%

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.