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$339+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Slovenia to Illinois

Cheapest flights from Slovenia to Illinois
Explore the most affordable flight options available from Slovenia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Finnair deal was found by Cheapflights users on 1/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 pm
LJU
-
ORD
1 stop28h 00m
Multiple Airlines
Fri 4/174:16 pm
ORD
-
LJU
2 stops45h 19m
Multiple Airlines
Deal found 1/24$672
This Justfly.com deal was found by Cheapflights users on 1/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/17:35 pm
LJU
-
ORD
1 stop21h 30m
Turkish Airlines
Sun 2/811:50 am
ORD
-
LJU
1 stop23h 50m
Turkish Airlines
Deal found 1/24$715
This Air France deal was found by Cheapflights users on 1/26. 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 2/512:50 pm
LJU
-
ORD
1 stop32h 30m
Air France
Tue 2/105:20 pm
ORD
-
LJU
1 stop11h 20m
Air France
Deal found 1/26$717
This KLM deal was found by Cheapflights users on 1/24. 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.
Fri 4/176:00 am
LJU
-
ORD
1 stop15h 15m
KLM
Thu 4/235:10 pm
ORD
-
LJU
1 stop13h 40m
KLM
Deal found 1/24$720
This KLM deal was found by Cheapflights users on 1/26. 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 2/512:50 pm
LJU
-
ORD
1 stop32h 30m
Multiple Airlines
Tue 2/101:58 pm
ORD
-
LJU
2 stops14h 42m
Multiple Airlines
Deal found 1/26$722
This Air France deal was found by Cheapflights users on 1/24. 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 4/176:00 am
LJU
-
ORD
2 stops17h 18m
Multiple Airlines
Thu 4/235:10 pm
ORD
-
LJU
1 stop13h 40m
Multiple Airlines
Deal found 1/24$725
This Air France deal was found by Cheapflights users on 1/23. 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 4/12:00 pm
LJU
-
ORD
1 stop31h 15m
Air France
Tue 4/145:10 pm
ORD
-
LJU
1 stop13h 40m
Air France
Deal found 1/23$728
This KLM deal was found by Cheapflights users on 1/23. 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.
Sun 4/122:00 pm
LJU
-
ORD
2 stops15h 16m
KLM
Sat 4/184:20 pm
ORD
-
LJU
1 stop23h 30m
KLM
Deal found 1/23$732
This Delta deal was found by Cheapflights users on 1/23. 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 4/16:00 am
LJU
-
ORD
2 stops19h 31m
Delta
Tue 4/145:10 pm
ORD
-
LJU
1 stop13h 40m
Delta
Deal found 1/23$734
This KLM deal was found by Cheapflights users on 1/24. 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.
Sun 2/11:40 pm
LJU
-
ORD
2 stops16h 04m
KLM
Sun 2/85:20 pm
ORD
-
LJU
1 stop11h 20m
KLM
Deal found 1/24$737
This Air France deal was found by Cheapflights users on 1/26. 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 2/512:25 pm
LJU
-
MDW
2 stops16h 57m
Air France
Tue 2/101:26 pm
MDW
-
LJU
2 stops15h 14m
Air France
Deal found 1/26$738
This KLM deal was found by Cheapflights users on 1/25. 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 4/16:00 am
LJU
-
ORD
2 stops17h 43m
KLM
Tue 4/145:10 pm
ORD
-
LJU
1 stop13h 40m
KLM
Deal found 1/25$738

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$672
(Finnair)

One-way from

$339
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$746
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. 11% potential increase in price ($103 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 January 2026
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 January 26, 2026.
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 4/1

6:00 pm-3:00 pm

1 stop28h 00m

Chicago O'Hare Intl

Fri 4/17

4:16 pm-8:35 pm

2 stops45h 19m

$672

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 4/17

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

Thu 4/23

5:10 pm-1:50 pm

1 stop13h 40m

$720

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 2/5

12:50 pm-2:20 pm

1 stop32h 30m

Chicago O'Hare Intl

Tue 2/10

1:58 pm-11:40 am

2 stops14h 42m

$722

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 4/1

6:00 am-2:30 pm

1 stop15h 30m

Chicago O'Hare Intl

Tue 4/14

5:10 pm-1:50 pm

1 stop13h 40m

$728

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/12

2:00 pm-10:16 pm

2 stops15h 16m

Chicago O'Hare Intl

Sat 4/18

4:20 pm-10:50 pm

1 stop23h 30m

$732

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 4/1

6:00 am-6:31 pm

2 stops19h 31m

Chicago O'Hare Intl

Tue 4/14

5:10 pm-1:50 pm

1 stop13h 40m

$734

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Thu 2/5

12:25 pm-10:22 pm

2 stops16h 57m

Chicago Midway

Tue 2/10

1:26 pm-11:40 am

2 stops15h 14m

$738

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 4/1

6:00 am-4:43 pm

2 stops17h 43m

Chicago O'Hare Intl

Tue 4/14

5:10 pm-1:50 pm

1 stop13h 40m

$738

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/12

6:25 am-12:35 pm

1 stop13h 10m

Chicago O'Hare Intl

Sat 4/18

7:05 pm-10:05 am

1 stop32h 00m

$741

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Thu 3/12

12:25 pm-8:53 am

2 stops26h 28m

Chicago Midway

Thu 3/19

12:47 pm-12:20 pm

2 stops17h 33m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 29 results
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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 January 26, 2026.
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
7.6
Good
1,861 reviews

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
SWISS
7.6
Good
1,861 reviews
SWISS
7.6
Good
1,861 reviews

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
Turkish Airlines
7.3
Good
4,208 reviews
SWISS
7.6
Good
1,861 reviews

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
Lufthansa
6.8
Okay
7,747 reviews
SWISS
7.6
Good
1,861 reviews

Crew

8.3

Comfort

7.4

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.

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 KLM, Air France, and Delta fly from Slovenia to Illinois in about 15h 15m. The time it takes to get you to your destination can typically vary by up to 11h 13m. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$748FlexibilityNo cancel feeOn-time76%

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