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Cluj Napoca

$233+ Cheap flights from Illinois 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CLJ
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Illinois to Cluj Napoca

Cheapest flights from Illinois to Cluj Napoca
Explore the most affordable flight options available from Illinois to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:50 pm
ORD
-
CLJ
1 stop19h 05m
Lufthansa
Sun 5/106:10 pm
CLJ
-
ORD
1 stop26h 20m
Lufthansa
Deal found 1/21$523
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:15 pm
ORD
-
CLJ
2 stops36h 10m
Air Canada
Sat 4/116:00 am
CLJ
-
ORD
2 stops37h 18m
Air Canada
Deal found 1/20$524
This United Airlines deal was found by Cheapflights users on 1/19. 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 3/47:30 am
ORD
-
CLJ
2 stops22h 10m
United Airlines
Sun 3/86:00 am
CLJ
-
ORD
1 stop20h 25m
United Airlines
Deal found 1/19$526
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Fri 5/12:05 pm
ORD
-
CLJ
2 stops15h 05m
Multiple Airlines
Sun 5/103:35 pm
CLJ
-
ORD
1 stop29h 00m
Multiple Airlines
Deal found 1/20$529
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Mon 3/1610:50 pm
ORD
-
CLJ
1 stop19h 05m
Lufthansa
Thu 6/116:00 am
CLJ
-
ORD
1 stop14h 30m
Lufthansa
Deal found 1/21$531
This Lufthansa deal was found by Cheapflights users on 1/21. 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.
Sun 3/19:50 pm
ORD
-
CLJ
1 stop19h 05m
Lufthansa
Thu 5/146:00 am
CLJ
-
ORD
1 stop14h 30m
Lufthansa
Deal found 1/21$533
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Mon 3/163:35 pm
ORD
-
CLJ
2 stops15h 05m
Multiple Airlines
Thu 6/116:00 am
CLJ
-
ORD
1 stop14h 30m
Multiple Airlines
Deal found 1/21$536
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/412:05 pm
ORD
-
CLJ
2 stops17h 35m
United Airlines
Thu 6/116:00 am
CLJ
-
ORD
1 stop14h 30m
United Airlines
Deal found 1/21$538
This Air Canada deal was found by Cheapflights users on 1/21. 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 3/1612:50 pm
ORD
-
CLJ
2 stops17h 50m
Air Canada
Tue 6/91:50 pm
CLJ
-
ORD
2 stops28h 03m
Air Canada
Deal found 1/21$540
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Tue 3/31:12 pm
ORD
-
CLJ
2 stops16h 28m
Multiple Airlines
Thu 5/1410:40 am
CLJ
-
ORD
1 stop13h 15m
Multiple Airlines
Deal found 1/21$541
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/46:00 pm
STL
-
CLJ
2 stops35h 40m
United Airlines
Sun 2/82:25 pm
CLJ
-
STL
2 stops40h 33m
United Airlines
Deal found 1/19$633

Find flight deals from Illinois to Cluj Napoca

Keep the following information in mind while searching for Illinois to Cluj Napoca flight deals. Data was last updated January 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$523
(oojo)

One-way from

$233
(Lufthansa)

Popular in

December

Cheapest in

February

Average price

$579
Provider with most accurate pricing for Chicago (CHI)-Cluj Napoca flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Cluj Napoca flights.
Search Deals
From Illinois to Cluj Napoca
Search Deals
One-way flight from Illinois to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 January 21, 2026.
Use the filters below to find and compare flights from Illinois to Cluj Napoca that are best for you.

Fly from

Illinois

Fly to

Cluj Napoca

Route

Depart

Return

Price

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 3/4

7:30 am-1:40 pm

2 stops22h 10m

Cluj Napoca

Sun 3/8

6:00 am-6:25 pm

1 stop20h 25m

$526

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/3

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 5/14

1:50 pm-6:15 pm

1 stop12h 25m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 3/1

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 5/14

6:00 am-12:30 pm

1 stop14h 30m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 3/1

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 6/11

6:00 am-12:30 pm

1 stop14h 30m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/17

7:30 am-1:40 pm

2 stops23h 10m

Cluj Napoca

Thu 6/11

6:00 am-12:30 pm

1 stop14h 30m

$538

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 4/3

9:50 pm-1:20 pm

1 stop31h 30m

Cluj Napoca

Fri 4/17

2:00 pm-3:10 pm

2 stops57h 10m

$540

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Tue 6/9

1:50 pm-7:23 am

2 stops25h 33m

$543

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/3

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Wed 6/10

6:10 pm-12:30 pm

1 stop26h 20m

$543

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 3/1

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Tue 6/9

6:10 pm-12:30 pm

1 stop26h 20m

$543

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Wed 2/4

6:00 pm-1:40 pm

2 stops35h 40m

Cluj Napoca

Sun 2/8

2:25 pm-10:58 pm

2 stops40h 33m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
1
2

Best time to book a flight from Illinois to Cluj Napoca

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Cluj Napoca (average of $491). Flying from Illinois to Cluj Napoca in June is currently the most expensive (average of $859). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Located just 3.2 mi from the city center, Cluj Napoca (CLJ) is the airport most travelers will use when flying to Cluj Napoca from Illinois.

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

    Departing from Illinois to Cluj Napoca will take you 19h 05m. The distance from Illinois to Cluj Napoca is about 5008 mi. This flight may include one or multiple stops.

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

    $407 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and SWISS, with prices starting from $431 and $442, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Cluj Napoca (average of $491). Flying from Illinois to Cluj Napoca in June is currently the most expensive (average of $859). 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 Illinois to Cluj Napoca

Discover the top 5 airlines that operate flights from Illinois 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$524Average$734FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$558Average$903FlexibilityNo cancel feeOn-time76%
LOTCheapest$584Average$976FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$598Average$789FlexibilityNo cancel feeOn-time69%
SWISSCheapest$609Average$1,087FlexibilityNo cancel feeOn-time79%

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