HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Slovenia

$291+ Cheap flights from Illinois to Slovenia

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Slovenia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Slovenia

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$586
(Justfly.com)

Popular in

June

Cheapest in

March

Average price

$698
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 Slovenia
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($386 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Illinois to Slovenia

Cheapest flights from Illinois to Slovenia
Explore the most affordable flight options available from Illinois to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.

This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/78:20 pm
ORD
-
LJU
1 stop15h 20m
Turkish Airlines
mié. 2/187:35 pm
LJU
-
ORD
1 stop21h 30m
Turkish Airlines
Deal found 1/13$586
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/77:50 pm
ORD
-
LJU
1 stop29h 55m
Turkish Airlines
mar. 4/148:15 pm
LJU
-
ORD
1 stop20h 25m
Turkish Airlines
Deal found 1/14$587
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/159:20 pm
ORD
-
LJU
1 stop15h 20m
Turkish Airlines
dom. 3/229:20 am
LJU
-
ORD
1 stop31h 45m
Turkish Airlines
Deal found 1/13$596
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1211:50 am
ORD
-
LJU
1 stop23h 50m
Turkish Airlines
jue. 2/199:20 am
LJU
-
ORD
1 stop16h 05m
Turkish Airlines
Deal found 1/13$597
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/2411:25 am
ORD
-
LJU
1 stop24h 55m
Turkish Airlines
dom. 5/38:15 pm
LJU
-
ORD
1 stop29h 00m
Turkish Airlines
Deal found 1/13$598
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/159:20 pm
ORD
-
LJU
1 stop15h 20m
Turkish Airlines
lun. 3/239:20 am
LJU
-
ORD
1 stop16h 05m
Turkish Airlines
Deal found 1/13$605
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/79:55 pm
ORD
-
LJU
1 stop32h 10m
LOT
sáb. 2/215:10 pm
LJU
-
ORD
1 stop33h 50m
LOT
Deal found 1/13$613
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/35:10 pm
ORD
-
LJU
1 stop12h 35m
LOT
lun. 5/111:30 pm
LJU
-
ORD
1 stop32h 40m
LOT
Deal found 1/13$614
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/2311:50 am
ORD
-
LJU
1 stop23h 50m
Turkish Airlines
mié. 2/47:35 pm
LJU
-
ORD
1 stop21h 30m
Turkish Airlines
Deal found 1/14$616
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/159:50 pm
ORD
-
LJU
1 stop31h 55m
LOT
lun. 4/201:30 pm
LJU
-
ORD
1 stop13h 20m
LOT
Deal found 1/13$626
This Delta deal was found by Cheapflights users on 1/15. 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.
mar. 4/79:35 am
MDW
-
LJU
2 stops21h 15m
Delta
mar. 4/146:00 am
LJU
-
MDW
2 stops18h 54m
Delta
Deal found 1/15$729
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.
mar. 3/310:49 am
MDW
-
LJU
2 stops17h 51m
Delta
mar. 3/1012:50 pm
LJU
-
MDW
2 stops27h 06m
Delta
Deal found 1/14$730

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Slovenia 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 Illinois to Slovenia that are best for you.

Fly from

Illinois

Fly to

Slovenia

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 2/2

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

jue. 2/12

9:20 am-6:25 pm

1 stop16h 05m

$596

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

jue. 4/16

11:25 am-8:45 am

1 stop14h 20m

Ljubljana Joze Pucnik

lun. 4/20

8:15 pm-9:40 am

1 stop20h 25m

$631

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mié. 4/15

4:40 pm-9:00 am

1 stop33h 20m

Ljubljana Joze Pucnik

vie. 4/17

8:40 pm-9:15 pm

1 stop31h 35m

$677

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mié. 3/4

8:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

dom. 3/8

9:20 am-7:25 pm

1 stop16h 05m

$694

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 4/14

5:10 pm-1:50 pm

1 stop13h 40m

Ljubljana Joze Pucnik

vie. 4/17

6:00 am-2:15 pm

1 stop15h 15m

$714

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 4/14

5:10 pm-1:50 pm

1 stop13h 40m

Ljubljana Joze Pucnik

jue. 4/16

2:00 pm-2:15 pm

1 stop31h 15m

$714

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 4/20

5:10 pm-1:50 pm

1 stop13h 40m

Ljubljana Joze Pucnik

mié. 4/22

2:00 pm-2:15 pm

1 stop31h 15m

$714

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 2/2

3:35 pm-12:40 pm

2 stops14h 05m

Ljubljana Joze Pucnik

jue. 2/12

6:35 am-1:25 pm

1 stop13h 50m

$719

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mié. 5/6

10:21 am-1:50 pm

2 stops20h 29m

Ljubljana Joze Pucnik

mié. 5/13

6:00 am-2:30 pm

1 stop15h 30m

$719

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 4/14

10:21 am-1:50 pm

2 stops20h 29m

Ljubljana Joze Pucnik

mar. 4/21

2:00 pm-2:30 pm

1 stop31h 30m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Illinois to Slovenia

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

Related info for your journey

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

    Airlines like Turkish Airlines, Air Serbia, and Delta fly from Illinois to Slovenia in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 19h 40m. Illinois and Slovenia 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 Slovenia that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Slovenia 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Leonardo da Vinci/Fiumicino flights
Boston to Heathrow flights
John F Kennedy Intl to Lisbon flights
Newark to Orly flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Barcelona-El Prat flights
Dulles Intl to Heathrow flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
Newark to Athens flights
Newark to Lisbon flights
Los Angeles to Heathrow flights
John F Kennedy Intl to Dublin flights
LaGuardia to Charles de Gaulle flights
Newark to Dublin flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Newark to Malpensa flights
Boston to Charles de Gaulle flights
Los Angeles to Charles de Gaulle flights
Miami to Madrid flights
Newark to Madrid flights
John F Kennedy Intl to Gatwick flights
San Francisco to Heathrow flights
John F Kennedy Intl to Athens flights
O'Hare Intl to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Baltimore to Heathrow flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Amsterdam flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Boston to Dublin flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
San Francisco to Charles de Gaulle flights
Seattle to Heathrow flights
Boston to Gatwick flights

Top 5 airlines flying from Illinois to Slovenia

Discover the top 5 airlines that operate flights from Illinois to Slovenia. 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
KLMCheapest$583Average$860FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$587Average$750FlexibilityNo cancel feeOn-time77%
SWISSCheapest$716Average$969FlexibilityNo cancel feeOn-time79%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$849Average$1,086FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.