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Ljubljana

$515+ Cheap flights from Illinois to Ljubljana (LJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Illinois to Ljubljana

Cheapest flights from Illinois to Ljubljana
Explore the most affordable flight options available from Illinois to Ljubljana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. 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 11/2711:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Thu 12/49:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Deal found 10/28$515
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:00 amORD - LJU
2 stops21h 40mDelta
Thu 12/412:50 pmLJU - ORD
2 stops18h 11mDelta
Deal found 10/28$553
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:20 pmORD - LJU
1 stop11h 20mDelta
Sun 12/712:25 pmLJU - ORD
2 stops28h 31mDelta
Deal found 10/28$555
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:14 pmMDW - LJU
2 stops15h 26mDelta
Sun 12/712:25 pmLJU - MDW
2 stops36h 35mDelta
Deal found 10/27$564
This Air France deal was found by Cheapflights users on 10/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:14 pmMDW - LJU
2 stops16h 06mAir France
Sun 12/712:25 pmLJU - MDW
2 stops18h 22mAir France
Deal found 10/29$617
This Air France deal was found by Cheapflights users on 10/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:25 pmORD - LJU
2 stops15h 55mMultiple Airlines
Thu 12/412:50 pmLJU - ORD
1 stop32h 30mMultiple Airlines
Deal found 10/28$649
This KLM deal was found by Cheapflights users on 10/29. 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 12/2512:30 pmORD - LJU
2 stops16h 10mKLM
Thu 1/2212:50 pmLJU - ORD
2 stops18h 07mKLM
Deal found 10/29$653
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:34 amMDW - LJU
2 stops19h 46mDelta
Thu 12/412:50 pmLJU - MDW
2 stops17h 57mDelta
Deal found 10/28$659
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 pmORD - LJU
1 stop12h 10mMultiple Airlines
Fri 11/710:35 amLJU - ORD
1 stop16h 30mMultiple Airlines
Deal found 10/30$720
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:35 pmORD - LJU
2 stops27h 30mLufthansa
Thu 1/226:35 amLJU - ORD
1 stop13h 35mLufthansa
Deal found 10/29$826
This KLM deal was found by Cheapflights users on 10/29. 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.
Sat 12/131:50 pmMDW - LJU
2 stops14h 50mMultiple Airlines
Sat 12/2012:25 pmLJU - MDW
2 stops16h 57mMultiple Airlines
Deal found 10/29$1,769
This Air France deal was found by Cheapflights users on 10/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmMDW - LJU
2 stops15h 55mMultiple Airlines
Sat 1/312:50 pmLJU - MDW
2 stops27h 15mMultiple Airlines
Deal found 10/28$3,019

Cheap flight deals from Illinois to Ljubljana

Keep the following information in mind while searching for Illinois to Ljubljana flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(FlightHub)

Popular in

June

Cheapest in

April

Average price

$897
Provider with most accurate pricing for Chicago (CHI)-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Ljubljana Joze Pucnik flights.
Search Deals
From Illinois to Ljubljana Joze Pucnik
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($413 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Ljubljana 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Ljubljana that are best for you.

Fly from

Illinois

Fly to

Ljubljana

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 1/15

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Sun 1/25

7:35 pm-10:05 am

1 stop21h 30m

$535

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 12/3

10:36 am-11:40 am

2 stops18h 04m

Ljubljana Joze Pucnik

Sun 12/7

12:45 pm-2:20 pm

1 stop32h 35m

$543

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 1/15

1:54 pm-11:40 am

2 stops14h 46m

Ljubljana Joze Pucnik

Sun 1/25

1:40 pm-2:20 pm

1 stop31h 40m

$543

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Wed 12/3

1:14 pm-11:40 am

2 stops15h 26m

Ljubljana Joze Pucnik

Sun 12/7

12:25 pm-6:00 pm

2 stops36h 35m

$564

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Wed 12/3

1:14 pm-12:20 pm

2 stops16h 06m

Ljubljana Joze Pucnik

Sun 12/7

12:25 pm-11:47 pm

2 stops18h 22m

$617

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 11/27

1:25 pm-12:20 pm

2 stops15h 55m

Ljubljana Joze Pucnik

Thu 12/4

12:50 pm-2:20 pm

1 stop32h 30m

$649

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Thu 11/27

9:34 am-12:20 pm

2 stops19h 46m

Ljubljana Joze Pucnik

Thu 12/4

12:50 pm-11:47 pm

2 stops17h 57m

$659

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Tue 3/3

1:00 pm-11:40 am

2 stops15h 40m

Ljubljana Joze Pucnik

Tue 3/10

12:50 pm-9:56 am

2 stops27h 06m

$728

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Tue 3/3

1:00 pm-11:40 am

2 stops15h 40m

Ljubljana Joze Pucnik

Tue 3/10

12:50 pm-9:56 am

2 stops27h 06m

$728

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Mon 4/6

1:00 pm-11:35 am

2 stops15h 35m

Ljubljana Joze Pucnik

Thu 4/16

12:50 pm-6:31 pm

2 stops36h 41m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 14 results
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Best time to book a flight from Illinois to Ljubljana

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Ljubljana (average of $503). Flying from Illinois to Ljubljana in June is currently the most expensive (average of $1,238). 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 IL to LJU?

Find hourly flight availability from Illinois to Ljubljana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Illinois to Ljubljana, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight in the afternoon.

Related info for your journey

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

    Ljubljana Joze Pucnik (LJU) is the airport you will fly into if you book a flight from Illinois to Ljubljana. It is only a 11.7 mi journey from Joze Pucnik (LJU) to Ljubljana’s city center.

  • How long is the flight from Illinois to Ljubljana?

    Turkish Airlines, Delta, and Air France can get you from Illinois to Ljubljana in just under 15h 20m. Your travel time can differ by up to 2h 44m. Illinois and Ljubljana are separated by a distance of 4703 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Illinois to Ljubljana?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Ljubljana 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 Ljubljana?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Ljubljana (average of $503). Flying from Illinois to Ljubljana in June is currently the most expensive (average of $1,238). 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 Ljubljana?

Book flights to Ljubljana if you plan to visit one of these locations
Kranjska Gora

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Alternative routes for Illinois to Ljubljana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Ljubljana

Discover the top 5 airlines that operate flights from Illinois to Ljubljana. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$575Average$740FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$820Average$982FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$849Average$1,073FlexibilityNo cancel feeOn-time76%

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