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$348+ Cheap flights from Cluj Napoca (CLJ) to Illinois

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
nov. 12 — nov. 191
mié. 11/12
mié. 11/19
1 adult, Economy
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Cheap flight deals from Cluj Napoca to Illinois

Keep the following information in mind while searching for Cluj Napoca to Illinois flight deals. Data was last updated octubre 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$504
(United Airlines)

One-way from

$348
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$735
Provider with most accurate pricing for Cluj Napoca-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Cluj Napoca-Chicago (CHI) flights.
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From Cluj Napoca to Illinois
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One-way flight from Cluj Napoca to Illinois
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Highest demand for flights based on searches. 10% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Cluj Napoca to Illinois

Cheapest flights from Cluj Napoca to Illinois
Explore the most affordable flight options available from Cluj Napoca to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 13, 2025.

This FlightHub deal was found by Cheapflights users on 10/13. 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.
jue. 12/116:00 pmCLJ - ORD
1 stop34h 00mLOT
lun. 2/99:55 pmORD - CLJ
1 stop31h 20mLOT
Deal found 10/13$666
This LOT deal was found by Cheapflights users on 10/13. 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.
lun. 12/226:00 pmCLJ - ORD
1 stop34h 00mLOT
lun. 2/99:55 pmORD - CLJ
1 stop31h 20mLOT
Deal found 10/13$674
This FlightHub deal was found by Cheapflights users on 10/12. 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.
jue. 12/116:00 pmCLJ - ORD
1 stop34h 00mLOT
dom. 2/159:55 pmORD - CLJ
2 stops55h 20mLOT
Deal found 10/12$677
This LOT deal was found by Cheapflights users on 10/13. 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.
lun. 12/226:00 pmCLJ - ORD
1 stop34h 00mLOT
dom. 2/159:55 pmORD - CLJ
2 stops55h 20mLOT
Deal found 10/13$691
This LOT deal was found by Cheapflights users on 10/13. 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.
lun. 12/86:00 pmCLJ - ORD
1 stop34h 00mLOT
lun. 2/99:55 pmORD - CLJ
1 stop31h 20mLOT
Deal found 10/13$703
This FlightHub deal was found by Cheapflights users on 10/12. 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.
vie. 12/126:00 pmCLJ - ORD
1 stop34h 00mLOT
dom. 1/119:55 pmORD - CLJ
2 stops55h 20mLOT
Deal found 10/12$705
This LOT deal was found by Cheapflights users on 10/13. 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.
lun. 12/86:00 pmCLJ - ORD
1 stop34h 00mLOT
dom. 2/89:55 pmORD - CLJ
2 stops55h 20mLOT
Deal found 10/13$720
This Booking.com deal was found by Cheapflights users on 10/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/106:00 amCLJ - ORD
1 stop20h 25mLufthansa
lun. 11/179:50 pmORD - CLJ
1 stop19h 05mLufthansa
Deal found 10/11$721
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
jue. 12/116:00 amCLJ - ORD
1 stop16h 10mLufthansa
mar. 2/106:00 pmORD - CLJ
1 stop11h 40mLufthansa
Deal found 10/13$726
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
jue. 10/306:00 amCLJ - ORD
1 stop16h 10mLufthansa
mié. 11/194:20 pmORD - CLJ
2 stops13h 20mLufthansa
Deal found 10/12$728
This FlightHub deal was found by Cheapflights users on 10/13. 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.
jue. 12/256:00 pmCLJ - ORD
1 stop34h 00mLOT
vie. 2/139:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 10/13$737
This United Airlines deal was found by Cheapflights users on 10/12. 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.
mié. 12/106:00 amCLJ - STL
2 stops25h 42mUnited Airlines
jue. 1/86:00 pmSTL - CLJ
2 stops35h 40mUnited Airlines
Deal found 10/12$752

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Illinois 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 octubre 13, 2025.
Use the filters below to find and compare flights from Cluj Napoca to Illinois that are best for you.

Fly from

Cluj Napoca

Fly to

Illinois

Route

Depart

Return

Price

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 2/13

2:25 pm-9:38 am

2 stops51h 13m

Chicago O'Hare Intl

lun. 2/16

7:10 am-1:40 pm

2 stops22h 30m

$574

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 1/16

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

dom. 3/15

10:50 pm-12:55 am

1 stop19h 05m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

sáb. 1/17

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

mié. 3/11

1:55 pm-1:40 pm

2 stops16h 45m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

sáb. 1/17

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

sáb. 3/14

10:50 pm-12:50 am

1 stop19h 00m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

lun. 1/19

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

lun. 3/16

8:50 am-1:40 pm

2 stops21h 50m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 1/16

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

vie. 3/13

8:45 am-1:40 pm

2 stops21h 55m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

jue. 1/15

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

lun. 3/16

8:45 am-1:40 pm

2 stops21h 55m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 1/16

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

mié. 3/11

8:45 am-1:40 pm

2 stops21h 55m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 11/14

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

lun. 2/16

2:09 pm-1:40 pm

2 stops15h 31m

$744

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

mié. 1/14

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

sáb. 3/14

7:11 am-1:40 pm

2 stops23h 29m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 30 results
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Best time to book a flight from Cluj Napoca to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

What is the cheapest month to book a flight from Cluj Napoca to Illinois?

Currently, April is the cheapest month in which you can book a flight from Cluj Napoca to Illinois (average of $546). Flying from Cluj Napoca to Illinois in August is currently the most expensive (average of $757). 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 IL?

Find hourly flight availability from Cluj Napoca to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Cluj Napoca to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Cluj Napoca to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated octubre 13, 2025.
Peruse reviews from past customers who have flown with LOT, SWISS, and United Airlines from Cluj Napoca to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
LOT
7.6
Good
1,130 reviews
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
SWISS
7.6
Good
1,768 reviews
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
United Airlines
7.4
Good
8,973 reviews
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Turkish Airlines
7.3
Good
4,006 reviews
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Lufthansa
6.8
Okay
7,479 reviews
LOT
7.6
Good
1,130 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

7.1

Overall

7.6

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Enver,Sep 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

Related info for your journey

Find useful and relevant information for your journey from Cluj Napoca to Illinois. 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 Illinois?

    Most people fly from Cluj Napoca (CLJ) if they book a flight from Cluj Napoca to Illinois. Cluj Napoca is conveniently located just 3.2 mi from Cluj Napoca’s city center.

  • How long is the flight from Cluj Napoca to Illinois?

    Airlines like United Airlines and Lufthansa fly from Cluj Napoca to Illinois in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 35h 03m. Airlines will cover a distance of 5008 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Cluj Napoca to Illinois that include hotel bookings?

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

  • How can I find direct flights from Cluj Napoca to Illinois?

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

  • Can I find deals for business class flights from Cluj Napoca to Illinois?

    Yes. Cheapflights offers flight deals from Cluj Napoca to Illinois 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 Illinois?

    Currently, April is the cheapest month in which you can book a flight from Cluj Napoca to Illinois (average of $546). Flying from Cluj Napoca to Illinois in August is currently the most expensive (average of $757). 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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Alternative routes for Cluj Napoca to Illinois

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Top 5 airlines flying from Cluj Napoca to Illinois

Discover the top 5 airlines that operate flights from Cluj Napoca to Illinois. 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 octubre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$558Average$665FlexibilityNo cancel feeOn-time79%
LOTCheapest$573Average$762FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$620Average$741FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$655Average$884FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$671Average$735FlexibilityNo cancel feeOn-time69%

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