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$491+ Cheap flights from Ljubljana (LJU) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Ljubljana to Illinois

Keep the following information in mind while searching for Ljubljana to Illinois flight deals. Data was last updated September 16, 2025.

Round-trip from

$572
(oojo)

One-way from

$491
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$1,031
From Ljubljana Joze Pucnik to Illinois
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One-way flight from Ljubljana Joze Pucnik to Illinois
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Highest demand for flights based on searches. 13% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ljubljana to Illinois

Cheapest flights from Ljubljana to Illinois
Explore the most affordable flight options available from Ljubljana to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:10 pmLJU - ORD
1 stop33h 50mLOT
Sat 11/299:55 pmORD - LJU
1 stop32h 10mLOT
Deal found 9/14$572
This Orbitz deal was found by Cheapflights users on 9/14. 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.
Thu 12/116:35 amLJU - ORD
1 stop13h 35mMultiple Airlines
Thu 1/156:50 pmORD - LJU
1 stop11h 45mMultiple Airlines
Deal found 9/14$616
This Lufthansa deal was found by Cheapflights users on 9/14. 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 12/106:35 amLJU - ORD
1 stop13h 35mMultiple Airlines
Wed 1/146:50 pmORD - LJU
1 stop11h 45mMultiple Airlines
Deal found 9/14$617
This SWISS deal was found by Cheapflights users on 9/16. 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 11/62:25 pmLJU - ORD
1 stop32h 55mSWISS
Mon 11/106:50 pmORD - LJU
1 stop12h 15mSWISS
Deal found 9/16$627
This SWISS deal was found by Cheapflights users on 9/14. 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.
Wed 12/106:30 amLJU - ORD
1 stop13h 15mSWISS
Thu 1/159:05 pmORD - LJU
2 stops18h 25mSWISS
Deal found 9/14$649
This LOT deal was found by Cheapflights users on 9/14. 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 12/135:10 pmLJU - ORD
1 stop33h 50mLOT
Mon 1/129:55 pmORD - LJU
1 stop11h 35mLOT
Deal found 9/14$655
This SWISS deal was found by Cheapflights users on 9/14. 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.
Wed 12/102:55 pmLJU - ORD
2 stops28h 15mSWISS
Fri 1/166:50 pmORD - LJU
1 stop12h 10mSWISS
Deal found 9/14$657
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:10 pmLJU - ORD
1 stop33h 50mLOT
Fri 3/2710:55 pmORD - LJU
1 stop30h 40mLOT
Deal found 9/14$669
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 11/2212:50 pmLJU - ORD
1 stop32h 30mDelta
Sat 11/2911:03 amORD - LJU
2 stops17h 37mDelta
Deal found 9/14$681
This KLM deal was found by Cheapflights users on 9/16. 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 11/612:25 pmLJU - MDW
2 stops16h 49mMultiple Airlines
Mon 11/101:14 pmMDW - LJU
2 stops16h 06mMultiple Airlines
Deal found 9/16$742
This Delta deal was found by Cheapflights users on 9/15. 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.
Tue 12/212:50 pmLJU - MDW
2 stops17h 42mDelta
Tue 3/171:05 pmMDW - LJU
2 stops16h 35mDelta
Deal found 9/15$795
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 9/2012:35 pmLJU - MDW
2 stops28h 05mDelta
Sun 9/289:35 amMDW - LJU
2 stops19h 00mDelta
Deal found 9/15$1,338

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ljubljana 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 September 16, 2025.
Use the filters below to find and compare flights from Ljubljana to Illinois that are best for you.

Fly from

Ljubljana

Fly to

Illinois

Route

Depart

Return

Price

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 11/22

5:10 pm-8:00 pm

1 stop33h 50m

Chicago O'Hare Intl

Sat 11/29

9:55 pm-1:05 pm

1 stop32h 10m

$572

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 12/12

10:35 am-8:05 pm

1 stop16h 30m

Chicago O'Hare Intl

Wed 1/14

6:50 pm-10:15 pm

1 stop20h 25m

$617

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 12/11

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Wed 1/14

6:50 pm-1:35 pm

1 stop11h 45m

$617

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 12/11

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Fri 1/16

6:50 pm-2:00 pm

1 stop12h 10m

$617

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 12/12

10:35 am-8:05 pm

1 stop16h 30m

Chicago O'Hare Intl

Fri 1/16

6:50 pm-2:00 pm

1 stop12h 10m

$617

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 3/4

6:35 am-3:20 pm

1 stop15h 45m

Chicago O'Hare Intl

Sun 3/8

10:50 pm-7:30 pm

1 stop14h 40m

$620

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 3/4

1:45 pm-8:00 pm

1 stop13h 15m

Chicago O'Hare Intl

Sun 3/8

10:55 pm-4:30 pm

2 stops35h 35m

$621

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 11/6

2:25 pm-4:20 pm

1 stop32h 55m

Chicago O'Hare Intl

Mon 11/10

6:50 pm-2:05 pm

1 stop12h 15m

$627

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 12/11

2:25 pm-4:20 pm

1 stop32h 55m

Chicago O'Hare Intl

Wed 1/14

5:50 pm-10:15 pm

2 stops21h 25m

$649

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Wed 2/18

12:50 pm-6:08 pm

2 stops36h 18m

Chicago Midway

Sun 2/22

1:00 pm-12:20 pm

2 stops16h 20m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 26 results
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Best time to book a flight from Ljubljana to Illinois

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

What is the cheapest time of day to fly from LJU to IL?

Find hourly flight availability from Ljubljana 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ljubljana to Illinois as you normally would.

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 September 16, 2025.
Get a feel of what it's like to fly with SWISS, Turkish Airlines, and Lufthansa from Ljubljana to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,730 reviews

Comfort

7.4

Crew

8.2

Overall

7.5

Entertainment

6.8

Food

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,730 reviews
SWISS
7.5
Good
1,730 reviews

Comfort

7.4

Crew

8.2

Overall

7.5

Entertainment

6.8

Food

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Turkish Airlines
7.3
Good
3,968 reviews
SWISS
7.5
Good
1,730 reviews

Comfort

7.4

Crew

8.2

Overall

7.5

Entertainment

6.8

Food

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.8
Okay
7,407 reviews
SWISS
7.5
Good
1,730 reviews

Comfort

7.4

Crew

8.2

Overall

7.5

Entertainment

6.8

Food

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

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

    Located just 11.7 mi from the city center, Ljubljana Joze Pucnik (LJU) is the airport most travelers will use when flying to Illinois from Ljubljana.

  • How long is the flight from Ljubljana to Illinois?

    There are many flights that can get you from Ljubljana to Illinois in 33h 50m. Fly via LOT or Delta to get the fastest option. The distance from Ljubljana to Illinois is about 4703 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ljubljana to Illinois (average of $245). Flying from Ljubljana 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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Alternative routes for Ljubljana to Illinois

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Top airline flying from Ljubljana to Illinois

Discover the top airline that operate flights from Ljubljana 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$634Average$758FlexibilityNo cancel feeOn-time76%

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