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$530+ Cheap flights from Chicago (CHI) to Slovenia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
Dec 15 — Dec 221
Mon 12/15
Mon 12/22
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 November 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$530
(FlightHub)

Popular in

June

Cheapest in

March
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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Highest demand for flights based on searches. 29% potential increase in price ($398 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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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 November 15, 2025.

This SWISS deal was found by Cheapflights users on 11/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:05 pmORD - LJU
2 stops18h 10mSWISS
Sun 12/72:30 pmLJU - ORD
2 stops52h 40mSWISS
Deal found 11/14$758
This Lufthansa deal was found by Cheapflights users on 11/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:50 pmORD - LJU
1 stop14h 40mLufthansa
Sun 12/76:35 amLJU - ORD
1 stop13h 35mLufthansa
Deal found 11/12$761
This Brussels Airlines deal was found by Cheapflights users on 11/12. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:45 pmORD - LJU
2 stops38h 10mBrussels Airlines
Sun 12/71:40 pmLJU - ORD
2 stops54h 05mBrussels Airlines
Deal found 11/12$787
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:59 amMDW - LJU
2 stops19h 21mDelta
Sun 12/712:25 pmLJU - MDW
2 stops42h 22mDelta
Deal found 11/12$802
This KAYAK deal was found by Cheapflights users on 11/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:45 pmORD - LJU
2 stops38h 50mSWISS
Mon 1/123:10 pmLJU - ORD
1 stop28h 35mSWISS
Deal found 11/13$880
This FlightHub deal was found by Cheapflights users on 11/13. 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.
Tue 12/163:45 pmORD - LJU
2 stops38h 50mMultiple Airlines
Tue 1/131:20 pmLJU - ORD
1 stop12h 05mMultiple Airlines
Deal found 11/13$899
This KAYAK deal was found by Cheapflights users on 11/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:45 pmORD - LJU
2 stops38h 50mSWISS
Tue 1/132:55 pmLJU - ORD
2 stops54h 15mSWISS
Deal found 11/13$900
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:47 amMDW - LJU
2 stops18h 33mDelta
Sun 11/3012:45 pmLJU - MDW
2 stops17h 55mDelta
Deal found 11/13$2,526
This Air France deal was found by Cheapflights users on 11/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmMDW - LJU
2 stops15h 55mMultiple Airlines
Sat 1/312:50 pmLJU - MDW
2 stops27h 15mMultiple Airlines
Deal found 11/15$3,272

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 November 15, 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

Tue 3/3

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Tue 3/10

7:35 pm-7:25 pm

1 stop29h 50m

$530

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Fri 3/13

12:50 pm-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Fri 3/20

9:20 am-11:05 am

1 stop31h 45m

$567

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 2/9

8:20 pm-8:25 am

1 stop29h 05m

Ljubljana Joze Pucnik

Mon 3/2

9:20 am-6:25 pm

1 stop16h 05m

$567

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sat 2/7

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Wed 2/18

7:35 pm-6:25 pm

1 stop29h 50m

$568

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 3/5

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Sun 3/8

9:20 am-11:05 am

1 stop31h 45m

$586

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 4/7

11:25 am-8:45 am

1 stop14h 20m

Ljubljana Joze Pucnik

Tue 4/14

8:25 pm-6:15 pm

1 stop28h 50m

$587

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 1/26

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Mon 2/9

9:20 am-6:25 pm

1 stop16h 05m

$595

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 5/11

11:25 am-7:30 pm

1 stop25h 05m

Ljubljana Joze Pucnik

Sun 5/24

9:40 am-6:15 pm

1 stop15h 35m

$642

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 1/7

11:50 am-6:40 pm

1 stop23h 50m

Ljubljana Joze Pucnik

Wed 1/21

7:35 pm-10:05 am

1 stop21h 30m

$644

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 4/7

9:20 pm-7:15 pm

2 stops14h 55m

Ljubljana Joze Pucnik

Tue 4/14

10:15 am-2:50 pm

1 stop11h 35m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 18 results
1
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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 month to book a flight from Chicago to Slovenia?

Currently, January is the cheapest month in which you can book a flight from Chicago to Slovenia (average of $533). Flying from Chicago to Slovenia in June is currently the most expensive (average of $1,230). 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.

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 November 15, 2025.

It’s typically best to fly out from Chicago to Slovenia at noon. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 November 15, 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
4,044 reviews

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Boarding

7.3

Comfort

7.3

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
4,044 reviews
Turkish Airlines
7.3
Good
4,044 reviews

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Boarding

7.3

Comfort

7.3

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
7,572 reviews
Turkish Airlines
7.3
Good
4,044 reviews

Entertainment

7.4

Crew

7.7

Food

7.4

Overall

7.3

Boarding

7.3

Comfort

7.3

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 and KLM fly from Chicago to Slovenia in about 14h 51m. The time it takes to get you to your destination can typically vary by up to 29m. The distance between Chicago and Slovenia is about 4706 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, January is the cheapest month in which you can book a flight from Chicago to Slovenia (average of $533). Flying from Chicago to Slovenia in June is currently the most expensive (average of $1,230). 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 November 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$575Average$729FlexibilityNo cancel feeOn-time77%
KLMCheapest$583Average$801FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$820Average$982FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$849Average$1,077FlexibilityNo cancel feeOn-time76%

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