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$473+ Cheap flights from Slovenia 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Slovenia to Illinois

Best flights from Slovenia to Illinois
Discover carefully curated flight deals from Slovenia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This oojo deal was found by Cheapflights users on 12/17. 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.
Wed 2/181:45 pmLJU - ORD
1 stop13h 15mLOT
Mon 2/239:55 pmORD - LJU
1 stop11h 35mLOT
Deal found 12/17$701
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:55 amLJU - ORD
1 stop13h 30mLufthansa
Fri 2/64:05 pmORD - LJU
1 stop10h 45mLufthansa
Deal found 12/16$726
This Air Serbia deal was found by Cheapflights users on 12/15. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:50 amLJU - ORD
1 stop35h 35mAir Serbia
Sat 4/1811:20 pmORD - LJU
1 stop13h 45mAir Serbia
Deal found 12/15$739
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3012:50 pmLJU - ORD
2 stops16h 39mDelta
Fri 2/61:58 pmORD - LJU
2 stops16h 12mDelta
Deal found 12/16$775
This KLM deal was found by Cheapflights users on 12/17. 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.
Wed 2/1812:25 pmLJU - MDW
2 stops17h 17mMultiple Airlines
Mon 2/2312:46 pmMDW - LJU
2 stops16h 34mMultiple Airlines
Deal found 12/17$790
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3012:25 pmLJU - MDW
2 stops16h 57mAir France
Fri 2/61:51 pmMDW - LJU
2 stops16h 19mAir France
Deal found 12/16$790
This Delta deal was found by Cheapflights users on 12/17. 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 2/1812:50 pmLJU - ORD
2 stops18h 07mDelta
Mon 2/2310:35 amORD - LJU
2 stops18h 45mDelta
Deal found 12/17$776
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:55 amLJU - ORD
3 stops42h 47mMultiple Airlines
Fri 2/612:44 pmORD - LJU
2 stops20h 46mMultiple Airlines
Deal found 12/16$864
This Delta deal was found by Cheapflights users on 12/15. 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.
Fri 3/2712:25 pmLJU - MDW
2 stops26h 21mDelta
Mon 4/610:49 amMDW - LJU
2 stops17h 46mDelta
Deal found 12/15$860
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:35 pmLJU - ORD
1 stop29h 50mTurkish Airlines
Thu 2/128:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 12/16$2,717
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/197:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Wed 1/2811:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Deal found 12/16$2,822
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/217:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Thu 1/2911:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Deal found 12/16$2,822

Find flight deals from Slovenia to Illinois

Keep the following information in mind while searching for Slovenia to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$701
(oojo)

One-way from

$473
(Air Serbia)

Popular in

September

Cheapest in

May

Average price

$748
Provider with most accurate pricing for Ljubljana Joze Pucnik-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ljubljana Joze Pucnik-Chicago (CHI) flights.
Search Deals
From Slovenia to Illinois
Search Deals
One-way flight from Slovenia to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Slovenia 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 December 18, 2025.
Use the filters below to find and compare flights from Slovenia to Illinois that are best for you.

Fly from

Slovenia

Fly to

Illinois

Route

Depart

Return

Price

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/18

1:45 pm-8:00 pm

1 stop13h 15m

Chicago O'Hare Intl

Mon 2/23

9:55 pm-4:30 pm

1 stop11h 35m

$701

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 1/30

6:55 am-1:25 pm

1 stop13h 30m

Chicago O'Hare Intl

Fri 2/6

4:05 pm-9:50 am

1 stop10h 45m

$726

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 4/14

9:50 am-2:25 pm

1 stop35h 35m

Chicago O'Hare Intl

Sat 4/18

11:20 pm-8:05 pm

1 stop13h 45m

$739

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 1/30

12:50 pm-10:29 pm

2 stops16h 39m

Chicago O'Hare Intl

Fri 2/6

1:58 pm-1:10 pm

2 stops16h 12m

$775

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/18

12:50 pm-11:57 pm

2 stops18h 07m

Chicago O'Hare Intl

Mon 2/23

10:35 am-12:20 pm

2 stops18h 45m

$776

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Wed 2/18

12:25 pm-10:42 pm

2 stops17h 17m

Chicago Midway

Mon 2/23

12:46 pm-12:20 pm

2 stops16h 34m

$790

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Fri 1/30

12:25 pm-10:22 pm

2 stops16h 57m

Chicago Midway

Fri 2/6

1:51 pm-1:10 pm

2 stops16h 19m

$790

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Fri 3/27

12:25 pm-8:46 am

2 stops26h 21m

Chicago Midway

Mon 4/6

10:49 am-11:35 am

2 stops17h 46m

$860

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 1/30

10:55 am-10:42 pm

3 stops42h 47m

Chicago O'Hare Intl

Fri 2/6

12:44 pm-4:30 pm

2 stops20h 46m

$864

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Mon 2/2

7:35 pm-6:25 pm

1 stop29h 50m

Chicago O'Hare Intl

Thu 2/12

8:20 pm-6:40 pm

1 stop15h 20m

$2,717

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 results
1
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Best time to book a flight from Slovenia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Slovenia 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 Slovenia to Illinois
No data available for this route at this time. Please check back soon.

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 December 18, 2025.
Peruse reviews from past customers who have flown with SWISS, Turkish Airlines, and Lufthansa from Slovenia to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,815 reviews

Overall

7.5

Boarding

7.7

Entertainment

6.8

Crew

8.3

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,815 reviews
SWISS
7.5
Good
1,815 reviews

Overall

7.5

Boarding

7.7

Entertainment

6.8

Crew

8.3

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Turkish Airlines
7.3
Good
4,105 reviews
SWISS
7.5
Good
1,815 reviews

Overall

7.5

Boarding

7.7

Entertainment

6.8

Crew

8.3

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Lufthansa
6.8
Okay
7,634 reviews
SWISS
7.5
Good
1,815 reviews

Overall

7.5

Boarding

7.7

Entertainment

6.8

Crew

8.3

Comfort

7.4

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

Related info for your journey

Find useful and relevant information for your journey from Slovenia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Slovenia to Illinois?

    Airlines like LOT, Lufthansa, and Air Serbia fly from Slovenia to Illinois in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 22h 20m. Slovenia and Illinois are separated by a distance of 4703 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 Slovenia to Illinois that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Slovenia 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.

See more FAQs

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Alternative routes for Slovenia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Slovenia to Illinois

Discover the top airline that operate flights from Slovenia 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$729FlexibilityNo cancel feeOn-time76%

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