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Cluj Napoca

$241+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLJ
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 October, 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 September 16, 2025.

Round-trip from

$574
(United Airlines)

One-way from

$241
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$704
From Chicago O'Hare Intl to Cluj Napoca
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One-way flight from Chicago O'Hare Intl to Cluj Napoca
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Highest demand for flights based on searches. 21% potential increase in price ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/279:20 pmORD - CLJ
2 stops32h 20mUnited Airlines
Tue 3/316:00 amCLJ - ORD
2 stops21h 25mUnited Airlines
Deal found 9/14$574
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/167:10 amORD - CLJ
2 stops22h 30mUnited Airlines
Sat 11/222:25 pmCLJ - ORD
1 stop31h 45mUnited Airlines
Deal found 9/15$575
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Wed 11/57:15 amORD - CLJ
2 stops18h 50mMultiple Airlines
Sat 11/156:00 amCLJ - ORD
3 stops19h 48mMultiple Airlines
Deal found 9/15$576
This LOT deal was found by Cheapflights users on 9/14. 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 11/209:55 pmORD - CLJ
1 stop11h 25mLOT
Sun 2/81:35 pmCLJ - ORD
1 stop14h 25mLOT
Deal found 9/14$577
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:40 pmORD - CLJ
1 stop31h 40mLOT
Sun 10/192:00 pmCLJ - ORD
1 stop13h 40mLOT
Deal found 9/14$580
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/296:50 pmORD - CLJ
2 stops34h 50mUnited Airlines
Mon 3/306:00 amCLJ - ORD
1 stop15h 55mUnited Airlines
Deal found 9/14$581
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/296:50 pmORD - CLJ
2 stops34h 50mUnited Airlines
Wed 4/16:00 amCLJ - ORD
1 stop20h 15mUnited Airlines
Deal found 9/14$582
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/279:20 pmORD - CLJ
2 stops32h 20mUnited Airlines
Sun 3/291:45 pmCLJ - ORD
2 stops27h 48mUnited Airlines
Deal found 9/14$584
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Tue 10/284:50 pmORD - CLJ
2 stops13h 50mAir Canada
Tue 11/46:00 amCLJ - ORD
3 stops18h 52mAir Canada
Deal found 9/14$585
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/296:45 pmORD - CLJ
2 stops34h 55mUnited Airlines
Tue 3/316:00 amCLJ - ORD
2 stops21h 25mUnited Airlines
Deal found 9/14$587
This LOT deal was found by Cheapflights users on 9/14. 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.
Mon 12/299:55 pmORD - CLJ
1 stop31h 20mLOT
Mon 3/306:10 pmCLJ - ORD
1 stop33h 30mLOT
Deal found 9/14$589

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 September 16, 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

Sun 11/16

7:10 am-1:40 pm

2 stops22h 30m

Cluj Napoca

Sat 11/22

2:25 pm-2:10 pm

1 stop31h 45m

$575

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/29

6:45 pm-1:40 pm

2 stops34h 55m

Cluj Napoca

Thu 4/2

1:45 pm-6:15 pm

1 stop12h 30m

$582

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 3/4

1:00 pm-1:40 pm

2 stops16h 40m

Cluj Napoca

Sun 3/8

2:25 pm-11:42 pm

2 stops16h 17m

$593

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/29

6:50 pm-1:40 pm

2 stops34h 50m

Cluj Napoca

Sun 3/29

1:45 pm-9:33 am

2 stops27h 48m

$598

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 10/16

9:40 pm-5:20 pm

1 stop11h 40m

Cluj Napoca

Thu 10/23

10:40 am-3:55 pm

1 stop13h 15m

$600

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 12/28

6:50 pm-2:40 pm

1 stop11h 50m

Cluj Napoca

Sun 3/29

3:35 pm-3:55 pm

1 stop32h 20m

$602

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 12/24

5:55 pm-1:40 pm

2 stops35h 45m

Cluj Napoca

Tue 3/31

6:00 am-1:55 pm

1 stop15h 55m

$602

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 10/15

12:55 pm-1:05 pm

2 stops16h 10m

Cluj Napoca

Tue 10/28

6:00 am-3:10 pm

1 stop16h 10m

$620

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/15

6:50 pm-1:40 pm

2 stops34h 50m

Cluj Napoca

Mon 3/30

6:00 am-11:57 pm

2 stops25h 57m

$646

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/15

6:50 pm-1:40 pm

2 stops34h 50m

Cluj Napoca

Sun 3/29

1:45 pm-1:55 pm

1 stop32h 10m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 12, 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 $671). 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 September 16, 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 September 16, 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
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
LOT
7.6
Good
1,114 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
SWISS
7.6
Good
1,737 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
United Airlines
7.4
Good
8,924 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Turkish Airlines
7.3
Good
3,968 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again
Lufthansa
6.8
Okay
7,407 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Comfort

7.5

Crew

8.2

Overall

7.6

Food

7.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Krzysztof,Sep 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

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 22h 30m. Fly via United Airlines to get the fastest option. There are 5008 mi between Chicago O'Hare Intl Airport and Cluj Napoca.

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

    Flying on SWISS is currently your cheapest option to Cluj Napoca, with prices starting at $500. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and United Airlines, with the lowest prices starting at $531 and $589, respectively. Users have found that SWISS is 37% 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 $671). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$500Average$941FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$531Average$789FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$589Average$783FlexibilityNo cancel feeOn-time69%
LOTCheapest$621Average$958FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$653Average$905FlexibilityNo cancel feeOn-time76%

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