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Cluj Napoca

$639+ Cheap flights from O'Hare Intl (ORD) to Cluj Napoca (CLJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLJ
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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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 julio 31, 2025.

Round-trip from

$657
(LOT)

Popular in

June

Cheapest in

February

Average price

$987
From Chicago O'Hare Intl to Cluj Napoca
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Highest demand for flights based on searches. 22% potential increase in price ($235 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 31, 2025.

This Turkish Airlines deal was found by Cheapflights users on 7/31. 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.
mié. 9/107:50 pmORD - CLJ
1 stop29h 15mTurkish Airlines
sáb. 9/279:10 pmCLJ - ORD
1 stop20h 30mTurkish Airlines
Deal found 7/31$639
This LOT deal was found by Cheapflights users on 7/31. 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.
mar. 10/79:40 pmORD - CLJ
1 stop11h 50mLOT
sáb. 10/186:05 pmCLJ - ORD
2 stops53h 05mLOT
Deal found 7/31$657
This Booking.com deal was found by Cheapflights users on 7/30. 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.
mié. 9/38:40 amORD - CLJ
2 stops31h 50mMultiple Airlines
mié. 9/106:05 pmCLJ - ORD
1 stop32h 10mMultiple Airlines
Deal found 7/30$662
This oojo deal was found by Cheapflights users on 7/30. 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.
mar. 8/127:05 pmORD - CLJ
1 stop30h 50mSWISS
dom. 8/243:35 pmCLJ - ORD
1 stop28h 35mSWISS
Deal found 7/30$664
This Lufthansa deal was found by Cheapflights users on 7/30. 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.
lun. 8/113:35 pmORD - CLJ
1 stop13h 30mLufthansa
lun. 8/256:00 amCLJ - ORD
1 stop20h 15mLufthansa
Deal found 7/30$675
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 8/123:35 pmORD - CLJ
1 stop13h 30mUnited Airlines
lun. 8/256:00 amCLJ - ORD
2 stops25h 59mUnited Airlines
Deal found 7/30$685
This Air Canada deal was found by Cheapflights users on 7/31. 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.
mar. 10/78:55 amORD - CLJ
2 stops20h 10mAir Canada
mar. 10/146:00 amCLJ - ORD
2 stops35h 51mAir Canada
Deal found 7/31$733

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 julio 31, 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

mié. 9/10

7:50 pm-9:05 am

1 stop29h 15m

Cluj Napoca

sáb. 9/27

9:10 pm-9:40 am

1 stop20h 30m

$639

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 10/7

9:40 pm-5:30 pm

1 stop11h 50m

Cluj Napoca

sáb. 10/18

6:05 pm-3:10 pm

2 stops53h 05m

$657

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mié. 9/3

8:40 am-12:30 am

2 stops31h 50m

Cluj Napoca

mié. 9/10

6:05 pm-6:15 pm

1 stop32h 10m

$662

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 8/12

7:05 pm-9:55 am

1 stop30h 50m

Cluj Napoca

dom. 8/24

3:35 pm-12:10 pm

1 stop28h 35m

$664

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

lun. 8/11

3:35 pm-1:05 pm

1 stop13h 30m

Cluj Napoca

lun. 8/25

6:00 am-6:15 pm

1 stop20h 15m

$675

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 8/12

3:35 pm-1:05 pm

1 stop13h 30m

Cluj Napoca

lun. 8/25

6:00 am-11:59 pm

2 stops25h 59m

$685

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

mar. 10/7

8:55 am-1:05 pm

2 stops20h 10m

Cluj Napoca

mar. 10/14

6:00 am-9:51 am

2 stops35h 51m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 July 25, 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 $675). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $1,303). 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 julio 31, 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.

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

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Cluj Napoca?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Cluj Napoca chosen by Cheapflights users in the past 12 months, using the same layover each way.

Warsaw (WAW) – chosen by Cheapflights users on 53% of 1-stop itineraries from Chicago O'Hare Intl Airport to Cluj Napoca on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Cluj Napoca?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Cluj Napoca, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $807.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Cluj Napoca?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Cluj Napoca, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 11h 35m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Cluj Napoca?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Cluj Napoca, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 00m.

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 julio 31, 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
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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
1,105 reviews
LOT
7.6
Good
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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
1,686 reviews
LOT
7.6
Good
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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
8,900 reviews
LOT
7.6
Good
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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
3,933 reviews
LOT
7.6
Good
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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
9,851 reviews
LOT
7.6
Good
1,105 reviews

Comfort

7.5

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Food

7.2

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 LOT is currently your cheapest option to Cluj Napoca, with prices starting at $657. Additional round-trip tickets that might be worth considering are offered by SWISS and Lufthansa, with the lowest prices starting at $664 and $670, respectively. Users have found that LOT is 16% 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 $675). Flying from Chicago O'Hare Intl Airport to Cluj Napoca in June is currently the most expensive (average of $1,303). 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

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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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$500Average$927FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$534Average$800FlexibilityNo cancel feeOn-time77%
LOTCheapest$584Average$924FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$589Average$784FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$648Average$913FlexibilityNo cancel feeOn-time76%

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