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$357+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — ORD
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$671
(United Airlines)

One-way from

$357
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$882
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 ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

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.
Wed 11/266:05 amCLJ - STL
2 stops41h 24mUnited Airlines
Sun 11/304:43 pmSTL - CLJ
2 stops36h 57mUnited Airlines
Deal found 7/30$688
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.
Fri 9/196:05 pmCLJ - ORD
1 stop28h 00mLufthansa
Wed 10/110:30 pmORD - CLJ
2 stops18h 00mLufthansa
Deal found 7/30$701
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:45 pmCLJ - ORD
1 stop12h 30mUnited Airlines
Thu 10/29:40 pmORD - CLJ
1 stop31h 25mUnited Airlines
Deal found 7/31$702
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:55 amCLJ - ORD
1 stop16h 00mTurkish Airlines
Fri 10/37:50 pmORD - CLJ
1 stop16h 30mTurkish Airlines
Deal found 7/30$705
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:40 amCLJ - ORD
2 stops33h 25mSWISS
Sun 10/57:05 pmORD - CLJ
1 stop11h 30mSWISS
Deal found 7/30$724
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:00 amCLJ - ORD
2 stops40h 55mAir Canada
Fri 10/38:25 pmORD - CLJ
2 stops32h 40mAir Canada
Deal found 7/30$730
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:00 amCLJ - ORD
2 stops35h 51mMultiple Airlines
Sun 9/149:40 pmORD - CLJ
1 stop11h 40mMultiple Airlines
Deal found 7/30$745
This LOT 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/212:00 pmCLJ - ORD
1 stop13h 40mLOT
Thu 10/25:10 pmORD - CLJ
2 stops40h 20mLOT
Deal found 7/30$821
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:25 amCLJ - ORD
2 stops16h 45mKLM
Fri 10/34:15 pmORD - CLJ
2 stops23h 15mKLM
Deal found 7/30$987

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 August 1, 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 NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Wed 11/26

6:05 am-3:29 pm

2 stops41h 24m

Lambert-St Louis

Sun 11/30

4:43 pm-1:40 pm

2 stops36h 57m

$688

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:05 am-2:10 pm

1 stop16h 05m

Chicago O'Hare Intl

Tue 1/27

5:50 pm-1:40 pm

2 stops35h 50m

$689

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/17

6:05 am-5:28 pm

3 stops19h 23m

Chicago O'Hare Intl

Sun 1/25

2:00 pm-1:40 pm

2 stops15h 40m

$695

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/17

6:05 am-2:10 pm

1 stop16h 05m

Chicago O'Hare Intl

Sun 1/25

6:00 pm-1:40 pm

1 stop11h 40m

$696

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 9/27

9:55 am-5:55 pm

1 stop16h 00m

Chicago O'Hare Intl

Fri 10/3

7:50 pm-8:20 pm

1 stop16h 30m

$705

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 9/18

10:40 am-12:05 pm

2 stops33h 25m

Chicago O'Hare Intl

Sun 10/5

7:05 pm-2:35 pm

1 stop11h 30m

$724

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 9/15

6:00 am-2:55 pm

2 stops40h 55m

Chicago O'Hare Intl

Fri 10/3

8:25 pm-1:05 pm

2 stops32h 40m

$730

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 9/21

2:00 pm-7:40 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 10/2

5:10 pm-5:30 pm

2 stops40h 20m

$821

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 9/18

5:25 am-2:10 pm

2 stops16h 45m

Chicago O'Hare Intl

Fri 10/3

4:15 pm-11:30 pm

2 stops23h 15m

$987

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 9/10

6:10 am-10:55 am

3 stops36h 45m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
1
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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, August is the cheapest month in which you can book a flight from Cluj Napoca to Illinois (average of $245). Flying from Cluj Napoca to Illinois 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 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 August 1, 2025.

When flying from Cluj Napoca to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 1, 2025.
Peruse reviews from past customers who have flown with KLM, LOT, and SWISS 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.
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,105 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,686 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,933 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines to fly from Cluj Napoca to Illinois one-way?

    The cheapest airlines for a one-way flight from Cluj Napoca to Illinois are Turkish Airlines ($696), Lufthansa ($747), and Air Canada ($785).

  • 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, August is the cheapest month in which you can book a flight from Cluj Napoca to Illinois (average of $245). Flying from Cluj Napoca to Illinois 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

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$565Average$646FlexibilityNo cancel feeOn-time79%
LOTCheapest$573Average$762FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$580Average$736FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$587Average$869FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$665Average$870FlexibilityNo cancel feeOn-time69%

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