HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$471+ 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 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Slovenia to Illinois 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 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 December 23, 2025.

This oojo deal was found by Cheapflights users on 12/22. 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 12/277:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Wed 1/78:20 pmORD - LJU
1 stop29h 05mTurkish Airlines
Deal found 12/22$762
This oojo deal was found by Cheapflights users on 12/22. 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 12/241:45 pmLJU - ORD
1 stop13h 15mLOT
Mon 1/59:55 pmORD - LJU
1 stop11h 35mLOT
Deal found 12/22$893
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Thu 12/252:25 pmLJU - ORD
1 stop32h 55mMultiple Airlines
Mon 1/56:00 pmORD - LJU
1 stop11h 40mMultiple Airlines
Deal found 12/22$946
This FlightHub deal was found by Cheapflights users on 12/22. 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.
Sat 12/275:10 pmLJU - ORD
2 stops57h 45mLOT
Mon 1/59:55 pmORD - LJU
1 stop32h 10mLOT
Deal found 12/22$962
This SWISS deal was found by Cheapflights users on 12/22. 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 12/242:55 pmLJU - ORD
1 stop28h 50mSWISS
Mon 1/59:05 pmORD - LJU
2 stops34h 00mSWISS
Deal found 12/22$965
This Orbitz deal was found by Cheapflights users on 12/22. 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.
Wed 12/2410:35 amLJU - ORD
2 stops17h 44mMultiple Airlines
Mon 1/55:50 pmORD - LJU
2 stops13h 15mMultiple Airlines
Deal found 12/22$989
This SWISS deal was found by Cheapflights users on 12/22. 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 12/252:25 pmLJU - ORD
2 stops28h 45mSWISS
Mon 1/53:45 pmORD - LJU
2 stops15h 20mSWISS
Deal found 12/22$993
This oojo deal was found by Cheapflights users on 12/22. 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 12/277:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Mon 1/58:20 pmORD - LJU
1 stop29h 05mTurkish Airlines
Deal found 12/22$1,045
This Air France deal was found by Cheapflights users on 12/22. 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.
Sat 12/2712:25 pmLJU - ORD
2 stops18h 37mAir France
Wed 1/71:57 pmORD - LJU
2 stops15h 23mAir France
Deal found 12/22$1,069
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:10 pmLJU - ORD
2 stops57h 45mMultiple Airlines
Mon 1/53:45 pmORD - LJU
2 stops15h 20mMultiple Airlines
Deal found 12/22$1,226

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 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$698
(oojo)

One-way from

$419
(Trip.com)

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 23, 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

$698

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 2/13

1:45 pm-8:00 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 2/20

9:55 pm-4:30 pm

1 stop11h 35m

$699

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 4/11

9:35 am-9:15 pm

1 stop18h 40m

Chicago O'Hare Intl

Sat 4/18

11:20 pm-9:00 am

1 stop26h 40m

$715

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 2/13

6:55 am-1:25 pm

1 stop13h 30m

Chicago O'Hare Intl

Fri 2/20

5:50 pm-2:00 pm

2 stops13h 10m

$745

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/5

2:50 pm-3:55 pm

1 stop32h 05m

Chicago O'Hare Intl

Thu 4/16

7:05 pm-1:55 pm

1 stop11h 50m

$752

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/5

2:50 pm-3:55 pm

1 stop32h 05m

Chicago O'Hare Intl

Wed 4/15

2:20 pm-11:05 pm

1 stop25h 45m

$752

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 4/4

9:30 am-5:50 pm

1 stop15h 20m

Chicago O'Hare Intl

Thu 4/16

9:30 pm-8:45 am

1 stop28h 15m

$753

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 4/11

1:45 pm-10:03 pm

2 stops15h 18m

Chicago O'Hare Intl

Sat 4/18

9:50 am-9:35 am

2 stops16h 45m

$760

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/5

9:25 pm-11:10 am

2 stops44h 45m

Chicago O'Hare Intl

Thu 4/16

5:10 pm-8:20 pm

2 stops20h 10m

$767

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 4/11

1:30 pm-3:10 pm

2 stops32h 40m

Chicago O'Hare Intl

Sat 4/18

9:50 pm-12:45 pm

1 stop31h 55m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 20 results
1
2

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 23, 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
1,817 reviews

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Boarding

7.7

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
1,817 reviews
SWISS
7.5
Good
1,817 reviews

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Boarding

7.7

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
4,113 reviews
SWISS
7.5
Good
1,817 reviews

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Boarding

7.7

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
7,652 reviews
SWISS
7.5
Good
1,817 reviews

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Boarding

7.7

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, Air Serbia, and SWISS 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 18h 50m. 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

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 Slovenia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Orly to Newark flights
Frankfurt to Newark flights
Charles de Gaulle to LaGuardia flights
Orly to John F Kennedy Intl flights
Charles de Gaulle to Miami flights
Malpensa to Newark flights
Gatwick to John F Kennedy Intl flights
Charles de Gaulle to Los Angeles flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Frankfurt to LaGuardia flights
London City to John F Kennedy Intl flights
Bruxelles-National to Newark flights
Malpensa to John F Kennedy Intl flights
Bruxelles-National to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to Newark flights
Barcelona-El Prat to Newark flights
Stansted to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Frankfurt to Miami flights
Madrid to John F Kennedy Intl flights
Barcelona-El Prat to John F Kennedy Intl flights
Vienna to Newark flights
Madrid to Newark flights
Berlin to Newark flights
Luton to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Frederic Chopin to John F Kennedy Intl flights
Malpensa to LaGuardia flights
Munich to John F Kennedy Intl flights
London City to Newark flights
Frankfurt to Los Angeles flights
Munich to Newark flights
Luton to Newark flights
Stansted to Newark flights
Duesseldorf Intl to John F Kennedy Intl flights
Vienna to John F Kennedy Intl flights
Amsterdam to Newark flights
Frederic Chopin to Newark flights
Heathrow to Los Angeles flights
Orly to Los Angeles flights
Linate to John F Kennedy Intl flights
Heathrow to Miami flights
Madrid to Miami flights

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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$729FlexibilityNo 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.