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$408+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Slovenia to Illinois

Keep the following information in mind while searching for Slovenia to Illinois flight deals. Data was last updated enero 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$557
(Booking.com)

One-way from

$408
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$746
Provider with most accurate pricing for Ljubljana Joze Pucnik-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Ljubljana Joze Pucnik-Chicago (CHI) flights.
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From Slovenia to Illinois
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One-way flight from Slovenia to Illinois
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Highest demand for flights based on searches. 12% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 enero 15, 2026.

This oojo deal was found by Cheapflights users on 1/12. 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.
vie. 2/131:45 pm
LJU
-
ORD
1 stop13h 15m
LOT
vie. 2/209:55 pm
ORD
-
LJU
1 stop32h 10m
LOT
Deal found 1/12$565
This Flightnetwork deal was found by Cheapflights users on 1/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/75:10 pm
LJU
-
ORD
2 stops57h 45m
LOT
vie. 2/139:55 pm
ORD
-
LJU
1 stop32h 10m
LOT
Deal found 1/13$586
This oojo deal was found by Cheapflights users on 1/13. 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.
sáb. 4/111:30 pm
LJU
-
ORD
1 stop13h 20m
LOT
sáb. 4/189:50 pm
ORD
-
LJU
1 stop31h 55m
LOT
Deal found 1/13$642
This Gotogate deal was found by Cheapflights users on 1/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/285:10 pm
LJU
-
ORD
2 stops57h 45m
LOT
sáb. 3/79:55 pm
ORD
-
LJU
1 stop32h 10m
LOT
Deal found 1/14$678
This LOT deal was found by Cheapflights users on 1/13. 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.
mar. 12/15:10 pm
LJU
-
ORD
1 stop33h 50m
LOT
mié. 12/99:55 pm
ORD
-
LJU
1 stop32h 10m
LOT
Deal found 1/13$706
This Delta deal was found by Cheapflights users on 1/14. 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.
vie. 4/176:00 am
LJU
-
ORD
1 stop15h 15m
Delta
jue. 4/2310:45 am
ORD
-
LJU
2 stops19h 40m
Delta
Deal found 1/14$719
This KLM deal was found by Cheapflights users on 1/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2812:50 pm
LJU
-
ORD
1 stop32h 30m
KLM
sáb. 3/74:25 pm
ORD
-
LJU
1 stop12h 50m
KLM
Deal found 1/14$721
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/126:25 am
LJU
-
ORD
1 stop13h 10m
SWISS
sáb. 4/182:20 pm
ORD
-
LJU
1 stop16h 40m
SWISS
Deal found 1/12$734
This Air France deal was found by Cheapflights users on 1/13. 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.
vie. 2/1312:25 pm
LJU
-
MDW
2 stops17h 06m
Air France
vie. 2/201:26 pm
MDW
-
LJU
2 stops15h 14m
Air France
Deal found 1/13$930
This KLM deal was found by Cheapflights users on 1/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2812:25 pm
LJU
-
MDW
2 stops17h 06m
Multiple Airlines
sáb. 3/71:29 pm
MDW
-
LJU
2 stops15h 46m
Multiple Airlines
Deal found 1/14$1,000
This Air France deal was found by Cheapflights users on 1/13. 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.
sáb. 2/71:40 pm
LJU
-
MDW
2 stops32h 58m
Air France
vie. 2/131:29 pm
MDW
-
LJU
2 stops15h 11m
Air France
Deal found 1/13$1,135

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 enero 15, 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

vie. 2/13

1:45 pm-8:00 pm

1 stop13h 15m

Chicago O'Hare Intl

vie. 2/20

9:55 pm-4:30 pm

1 stop11h 35m

$565

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

sáb. 4/11

1:30 pm-7:50 pm

1 stop13h 20m

Chicago O'Hare Intl

sáb. 4/18

9:50 pm-12:45 pm

1 stop31h 55m

$642

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

sáb. 2/7

5:10 pm-8:00 pm

1 stop33h 50m

Chicago O'Hare Intl

vie. 2/13

9:55 pm-4:30 pm

1 stop11h 35m

$650

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

vie. 4/17

6:00 am-2:15 pm

1 stop15h 15m

Chicago O'Hare Intl

jue. 4/23

10:45 am-1:25 pm

2 stops19h 40m

$719

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

sáb. 2/28

12:50 pm-2:20 pm

1 stop32h 30m

Chicago O'Hare Intl

sáb. 3/7

4:25 pm-12:15 pm

1 stop12h 50m

$721

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

dom. 4/12

6:25 am-12:35 pm

1 stop13h 10m

Chicago O'Hare Intl

sáb. 4/18

2:20 pm-2:00 pm

1 stop16h 40m

$734

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

vie. 2/13

6:55 am-1:25 pm

1 stop13h 30m

Chicago O'Hare Intl

vie. 2/20

5:50 pm-2:00 pm

2 stops13h 10m

$743

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

vie. 2/13

12:25 pm-10:31 pm

2 stops17h 06m

Chicago Midway

vie. 2/20

1:26 pm-11:40 am

2 stops15h 14m

$930

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

sáb. 2/28

12:25 pm-10:31 pm

2 stops17h 06m

Chicago Midway

sáb. 3/7

1:29 pm-12:15 pm

2 stops15h 46m

$1,000

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

sáb. 2/7

1:40 pm-3:38 pm

2 stops32h 58m

Chicago Midway

vie. 2/13

1:29 pm-11:40 am

2 stops15h 11m

$1,135

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 23 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 enero 15, 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
7.5
Good
1,847 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Crew

8.3

Entertainment

6.8

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
7.5
Good
1,847 reviews
SWISS
7.5
Good
1,847 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Crew

8.3

Entertainment

6.8

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
4,169 reviews
SWISS
7.5
Good
1,847 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Crew

8.3

Entertainment

6.8

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
7,715 reviews
SWISS
7.5
Good
1,847 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Crew

8.3

Entertainment

6.8

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 LOT and Air France 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 3h 51m. 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$748FlexibilityNo cancel feeOn-time76%

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