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Slovenia

$354+ Cheap flights from Chicago (CHI) 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Chicago to Slovenia

Keep the following information in mind while searching for Chicago to Slovenia flight deals. Data was last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$576
(Justfly.com)

One-way from

$354
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$832
Provider with most accurate pricing for Chicago (CHI)-Ljubljana Joze Pucnik flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Ljubljana Joze Pucnik flights.
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From Chicago (CHI) to Slovenia
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One-way flight from Chicago (CHI) to Slovenia
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Highest demand for flights based on searches. 30% potential increase in price ($415 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($61 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Slovenia

Cheapest flights from Chicago to Slovenia
Explore the most affordable flight options available from Chicago to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Justfly.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/2011:45 pmORD - LJU
1 stop25h 45mTurkish Airlines
Tue 11/47:35 pmLJU - ORD
1 stop21h 30mTurkish Airlines
Deal found 9/27$576
This SmartFares deal was found by Cheapflights users on 9/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Tue 11/189:20 amLJU - ORD
1 stop16h 05mTurkish Airlines
Deal found 9/27$627
This oojo deal was found by Cheapflights users on 9/27. 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.
Mon 11/108:20 pmORD - LJU
1 stop29h 05mTurkish Airlines
Mon 11/177:35 pmLJU - ORD
1 stop29h 50mTurkish Airlines
Deal found 9/27$665
This oojo deal was found by Cheapflights users on 9/27. 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 12/611:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Wed 12/179:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Deal found 9/27$670
This CrystalTravel deal was found by Cheapflights users on 9/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:35 pmORD - LJU
2 stops13h 55mLufthansa
Thu 11/1310:30 amLJU - ORD
1 stop16h 35mLufthansa
Deal found 9/27$709
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Mon 10/204:00 pmORD - LJU
1 stop10h 35mMultiple Airlines
Tue 11/46:30 amLJU - ORD
1 stop16h 50mMultiple Airlines
Deal found 9/29$711
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/2010:30 pmORD - LJU
2 stops13h 55mLufthansa
Tue 11/46:35 amLJU - ORD
1 stop13h 35mLufthansa
Deal found 9/27$717
This Air France deal was found by Cheapflights users on 9/27. 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.
Tue 11/112:30 pmORD - LJU
2 stops14h 10mAir France
Tue 11/1812:50 pmLJU - ORD
1 stop32h 30mAir France
Deal found 9/27$718
This FlightHub deal was found by Cheapflights users on 9/29. 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 10/1211:25 amORD - LJU
1 stop14h 05mTurkish Airlines
Sun 10/198:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
Deal found 9/29$725
This Delta deal was found by Cheapflights users on 9/27. 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.
Mon 10/201:08 pmMDW - LJU
2 stops15h 27mDelta
Tue 11/412:50 pmLJU - MDW
2 stops35h 53mDelta
Deal found 9/27$752
This KLM deal was found by Cheapflights users on 9/26. 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.
Wed 12/36:00 amMDW - LJU
2 stops22h 40mKLM
Sun 12/712:45 pmLJU - MDW
2 stops41h 47mKLM
Deal found 9/26$831
This Air France deal was found by Cheapflights users on 9/28. 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 12/31:14 pmMDW - LJU
2 stops16h 06mAir France
Sun 12/712:45 pmLJU - MDW
2 stops18h 04mAir France
Deal found 9/28$837

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 29, 2025.
Use the filters below to find and compare flights from Chicago to Slovenia that are best for you.

Fly from

Chicago

Fly to

Slovenia

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 10/20

11:45 pm-8:30 am

1 stop25h 45m

Ljubljana Joze Pucnik

Tue 11/4

7:35 pm-10:05 am

1 stop21h 30m

$576

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 11/5

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Thu 11/13

7:35 pm-10:05 am

1 stop21h 30m

$576

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 11/11

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Tue 11/18

9:20 am-6:25 pm

1 stop16h 05m

$627

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 10/20

4:00 pm-9:35 am

1 stop10h 35m

Ljubljana Joze Pucnik

Tue 11/4

6:30 am-4:20 pm

1 stop16h 50m

$711

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 10/20

10:30 pm-7:25 pm

2 stops13h 55m

Ljubljana Joze Pucnik

Tue 11/4

6:35 am-1:10 pm

1 stop13h 35m

$717

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 11/11

2:30 pm-11:40 am

2 stops14h 10m

Ljubljana Joze Pucnik

Tue 11/18

12:50 pm-2:20 pm

1 stop32h 30m

$718

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 10/12

11:25 am-1:10 pm

1 stop18h 45m

Ljubljana Joze Pucnik

Sun 10/19

8:10 pm-5:55 pm

1 stop28h 45m

$725

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 11/5

10:25 am-11:40 am

2 stops18h 15m

Ljubljana Joze Pucnik

Thu 11/13

12:50 pm-12:01 am

2 stops18h 11m

$729

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 11/11

9:51 am-11:40 am

2 stops18h 49m

Ljubljana Joze Pucnik

Tue 11/18

12:50 pm-8:41 am

2 stops26h 51m

$729

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Mon 10/20

1:08 pm-11:35 am

2 stops15h 27m

Ljubljana Joze Pucnik

Tue 11/4

12:50 pm-5:43 pm

2 stops35h 53m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 24 results
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Best time to book a flight from Chicago to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Chicago 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 Chicago to Slovenia

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

Find hourly flight availability from Chicago to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

When flying from Chicago to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. 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 Slovenia. Reviews last updated September 29, 2025.
Get a feel of what it's like to fly with Turkish Airlines and Lufthansa from Chicago to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
3,980 reviews

Boarding

7.3

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Turkish Airlines
7.3
Good
3,980 reviews
Turkish Airlines
7.3
Good
3,980 reviews

Boarding

7.3

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.
Lufthansa
6.8
Okay
7,435 reviews
Turkish Airlines
7.3
Good
3,980 reviews

Boarding

7.3

Entertainment

7.4

Overall

7.3

Comfort

7.3

Crew

7.7

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Related info for your journey

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

    Airlines like Turkish Airlines, Lufthansa, and Delta fly from Chicago to Slovenia in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 11h 50m. The distance between Chicago and Slovenia is about 4703 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Chicago to Slovenia?

    The most popular route from Chicago to Slovenia is Chicago O'Hare Intl - Ljubljana Joze Pucnik. You may also consider Chicago Midway - Ljubljana Joze Pucnik or Chicago O'Hare Intl - Maribor.

  • Can I find deals for flights from Chicago to Slovenia that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago 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.

  • What is the cheapest month to book a flight from Chicago to Slovenia?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Slovenia (average of $710). Flying from Chicago to Slovenia in June is currently the most expensive (average of $1,430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Chicago to Slovenia

Discover the top 5 airlines that operate flights from Chicago 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$719FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$820Average$883FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$856Average$1,059FlexibilityNo cancel feeOn-time76%

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