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$499+ 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Dec 22 — Dec 291
Mon 12/22
Mon 12/29
1 adult, Economy
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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 November 22, 2025.

This FlightHub deal was found by Cheapflights users on 11/20. 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.
Sun 11/237:35 pmLJU - ORD
1 stop29h 50mTurkish Airlines
Thu 1/158:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/20$735
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Mon 11/249:20 amLJU - ORD
1 stop16h 05mTurkish Airlines
Thu 1/298:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/21$739
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sat 11/229:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Wed 1/148:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/20$744
This Turkish Airlines deal was found by Cheapflights users on 11/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Fri 1/308:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/21$765
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sat 11/229:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Tue 1/138:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/20$767
This Turkish Airlines deal was found by Cheapflights users on 11/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:20 amLJU - ORD
1 stop16h 05mTurkish Airlines
Mon 1/198:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/20$768
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sun 11/239:20 amLJU - ORD
1 stop16h 05mTurkish Airlines
Wed 1/148:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/20$770
This Turkish Airlines deal was found by Cheapflights users on 11/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Mon 1/268:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/21$778
This Turkish Airlines deal was found by Cheapflights users on 11/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Sun 1/1811:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Deal found 11/20$780
This Orbitz deal was found by Cheapflights users on 11/20. 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.
Sat 11/229:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Fri 1/1611:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Deal found 11/20$782
This oojo deal was found by Cheapflights users on 11/21. 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 11/227:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Thu 1/298:20 pmORD - LJU
1 stop15h 20mTurkish Airlines
Deal found 11/21$793
This FlightHub deal was found by Cheapflights users on 11/21. 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.
Sun 11/231:45 pmLJU - ORD
1 stop13h 15mLOT
Wed 1/289:55 pmORD - LJU
1 stop32h 10mLOT
Deal found 11/21$801

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 November 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$697
(LOT)

One-way from

$499
(oojo)

Popular in

September

Cheapest in

May
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 ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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 November 22, 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

Thu 1/15

6:35 am-3:20 pm

1 stop15h 45m

Chicago O'Hare Intl

Wed 1/21

6:50 pm-1:35 pm

1 stop11h 45m

$707

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/25

6:35 am-3:20 pm

1 stop15h 45m

Chicago O'Hare Intl

Fri 3/6

3:20 pm-9:50 am

1 stop11h 30m

$711

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 2/24

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 3/5

4:20 pm-9:55 am

1 stop10h 35m

$712

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/25

6:35 am-8:05 pm

1 stop20h 30m

Chicago O'Hare Intl

Thu 3/5

4:20 pm-9:55 am

1 stop10h 35m

$712

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Mon 2/23

6:50 am-8:05 pm

1 stop20h 15m

Chicago O'Hare Intl

Sat 3/7

3:20 pm-9:55 am

1 stop11h 35m

$712

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Mon 2/23

6:50 am-1:10 pm

1 stop13h 20m

Chicago O'Hare Intl

Fri 3/6

6:25 pm-9:50 pm

1 stop20h 25m

$712

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 2/24

5:10 pm-8:00 pm

1 stop33h 50m

Chicago O'Hare Intl

Sun 3/8

10:55 pm-1:05 pm

2 stops56h 10m

$714

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/25

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Fri 3/6

6:50 pm-10:15 pm

1 stop20h 25m

$747

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Mon 2/23

6:50 am-8:05 pm

1 stop20h 15m

Chicago O'Hare Intl

Fri 3/6

6:50 pm-2:00 pm

1 stop12h 10m

$747

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 2/25

6:35 am-1:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Sat 3/7

6:50 pm-10:30 pm

1 stop20h 40m

$747

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 36 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

What is the cheapest time of day to fly from SI to IL?

Find hourly flight availability from Slovenia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Slovenia to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

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 November 22, 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
1,789 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

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
1,789 reviews
SWISS
7.5
Good
1,789 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

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
4,048 reviews
SWISS
7.5
Good
1,789 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

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
7,579 reviews
SWISS
7.5
Good
1,789 reviews

Boarding

7.7

Food

7.1

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

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 Lufthansa, Air France, and Delta fly from Slovenia to Illinois in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 20h 02m. 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 November 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$622Average$729FlexibilityNo cancel feeOn-time76%

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