HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$411+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cluj Napoca to O'Hare Intl 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 Cluj Napoca to Chicago O'Hare Intl are usually found in February or November, booked 83 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$484
(United Airlines)

One-way from

$411
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$819
From Cluj Napoca to Chicago O'Hare Intl
Search Deals
One-way flight from Cluj Napoca to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Thu 3/1212:50 pmORD - CLJ
1 stop13h 10mTurkish Airlines
Deal found 9/10$618
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Fri 11/1411:50 amORD - CLJ
1 stop24h 35mTurkish Airlines
Deal found 9/11$631
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Fri 1/168:20 pmORD - CLJ
1 stop16h 05mTurkish Airlines
Deal found 9/11$639
This LOT deal was found by Cheapflights users on 9/10. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:05 pmCLJ - ORD
1 stop33h 35mLOT
Mon 11/109:55 pmORD - CLJ
1 stop31h 20mLOT
Deal found 9/10$643
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Sat 11/811:50 amORD - CLJ
1 stop24h 35mTurkish Airlines
Deal found 9/11$649
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Fri 1/168:20 pmORD - CLJ
1 stop16h 05mTurkish Airlines
Deal found 9/11$671
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:50 amCLJ - ORD
1 stop32h 15mTurkish Airlines
Fri 1/168:20 pmORD - CLJ
1 stop16h 05mTurkish Airlines
Deal found 9/11$673
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:50 amCLJ - ORD
1 stop32h 15mTurkish Airlines
Fri 1/1611:50 amORD - CLJ
1 stop24h 35mTurkish Airlines
Deal found 9/11$675
This LOT deal was found by Cheapflights users on 9/10. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:05 pmCLJ - ORD
1 stop33h 35mLOT
Thu 11/69:55 pmORD - CLJ
1 stop31h 20mLOT
Deal found 9/10$678
This Lufthansa deal was found by Cheapflights users on 9/10. 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.
Wed 10/156:00 amCLJ - ORD
1 stop14h 30mLufthansa
Sat 11/89:50 pmORD - CLJ
1 stop19h 00mLufthansa
Deal found 9/10$679

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 September 11, 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

Fri 2/13

2:25 pm-2:12 pm

2 stops55h 47m

Chicago O'Hare Intl

Mon 2/16

2:00 pm-1:40 pm

2 stops15h 40m

$484

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 10/9

6:00 am-2:34 pm

2 stops40h 34m

Chicago O'Hare Intl

Fri 10/10

9:40 pm-1:05 pm

1 stop31h 25m

$598

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 1/25

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Sun 2/15

11:50 am-9:00 am

1 stop13h 10m

$649

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 11/23

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Tue 12/9

11:50 am-9:00 am

1 stop13h 10m

$676

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 11/23

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

Sun 12/7

11:50 am-9:00 am

1 stop13h 10m

$676

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 11/24

9:50 am-6:25 pm

1 stop16h 35m

Chicago O'Hare Intl

Tue 12/9

11:50 am-9:00 am

1 stop13h 10m

$676

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 10/15

6:00 am-12:55 pm

2 stops14h 55m

Chicago O'Hare Intl

Fri 11/7

9:50 pm-12:55 am

1 stop19h 05m

$701

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 10/16

6:00 am-12:55 pm

2 stops14h 55m

Chicago O'Hare Intl

Fri 11/7

9:50 pm-12:55 am

1 stop19h 05m

$717

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 11/26

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Sun 12/7

10:35 am-1:40 pm

2 stops19h 05m

$726

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 10/9

6:15 am-7:34 am

2 stops33h 19m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 13 results
1
2

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 August 29, 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 80 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, August is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $245). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 September 11, 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 9% on your trip compared to booking a flight in the evening.

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

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 September 11, 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
1,114 reviews

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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
7.5
Good
1,731 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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
8,937 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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
7,409 reviews
LOT
7.6
Good
1,114 reviews

Boarding

7.6

Crew

8.2

Entertainment

7.0

Overall

7.6

Comfort

7.5

Food

7.2

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 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 50m. The distance from Cluj Napoca to Chicago O'Hare Intl Airport is about 5008 mi. This flight may include one or multiple stops.

  • 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 $580, respectively. SWISS is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, August is the cheapest month in which you can book a flight from Cluj Napoca to Chicago O'Hare Intl Airport (average of $245). Flying from Cluj Napoca to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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.

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
Iaşi to O'Hare Intl flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$565Average$656FlexibilityNo cancel feeOn-time79%
LOTCheapest$573Average$762FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$580Average$740FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$587Average$858FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$665Average$671FlexibilityNo cancel feeOn-time69%

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.