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$565+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(FlightHub)

Popular in

June

Cheapest in

November
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 Chicago (CHI) to Slovenia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($368 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
Search Deals

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 February 20, 2025.

This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:45 pmORD - LJU
1 stop25h 45mTurkish Airlines
Fri 9/262:05 pmLJU - ORD
1 stop26h 35mTurkish Airlines
Deal found 2/20$565
This Air Serbia deal was found by Cheapflights users on 2/19. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:20 pmORD - LJU
1 stop26h 35mAir Serbia
Sat 5/319:50 amLJU - ORD
1 stop18h 10mAir Serbia
Deal found 2/19$689
This LOT deal was found by Cheapflights users on 2/19. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2610:55 pmORD - LJU
1 stop32h 10mLOT
Thu 4/105:05 pmLJU - ORD
2 stops33h 35mLOT
Deal found 2/19$696
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/251:26 pmORD - LJU
2 stops16h 14mDelta
Mon 4/712:35 pmLJU - ORD
1 stop33h 05mDelta
Deal found 2/19$759
This Lufthansa deal was found by Cheapflights users on 2/19. 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.
Sun 3/2311:35 pmORD - LJU
1 stop16h 10mLufthansa
Wed 4/91:20 pmLJU - ORD
1 stop11h 55mLufthansa
Deal found 2/19$760
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/252:55 pmMDW - LJU
2 stops14h 45mDelta
Mon 4/712:35 pmLJU - MDW
2 stops36h 27mDelta
Deal found 2/19$769
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/207:05 pmORD - LJU
1 stop20h 25mSWISS
Wed 2/266:35 amLJU - ORD
1 stop16h 40mSWISS
Deal found 2/20$802
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/205:50 pmORD - LJU
2 stops14h 55mMultiple Airlines
Thu 2/276:35 amLJU - ORD
1 stop16h 40mMultiple Airlines
Deal found 2/20$812
This Aeromexico deal was found by Cheapflights users on 2/20. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/134:59 pmMDW - LJU
2 stops35h 36mAir France
Sat 5/1012:35 pmLJU - MDW
2 stops36h 55mAir France
Deal found 2/20$1,209
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/62:57 pmMDW - LJU
2 stops14h 08mKLM
Sun 4/139:10 amLJU - MDW
2 stops15h 52mKLM
Deal found 2/20$1,501
This Air France deal was found by Cheapflights users on 2/19. 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.
Mon 5/121:05 pmMDW - LJU
2 stops15h 30mMultiple Airlines
Wed 9/1712:20 pmLJU - MDW
2 stops16h 27mMultiple Airlines
Deal found 2/19$1,801

Find flights from Chicago to Slovenia within your budget

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 February 20, 2025.

Fly from

Chicago

Fly to

Slovenia

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 4/16

11:25 am-8:30 am

1 stop14h 05m

Ljubljana Joze Pucnik

Fri 5/9

8:10 pm-9:40 am

1 stop20h 30m

$578

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sat 5/3

11:20 pm-8:55 am

1 stop26h 35m

Ljubljana Joze Pucnik

Sat 5/31

9:50 am-9:00 pm

1 stop18h 10m

$689

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 3/26

10:55 pm-1:05 pm

1 stop32h 10m

Ljubljana Joze Pucnik

Thu 4/10

5:05 pm-7:40 pm

2 stops33h 35m

$696

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 3/25

1:26 pm-11:40 am

2 stops16h 14m

Ljubljana Joze Pucnik

Mon 4/7

12:35 pm-2:40 pm

1 stop33h 05m

$759

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 3/23

11:35 pm-9:45 pm

1 stop16h 10m

Ljubljana Joze Pucnik

Wed 4/9

1:20 pm-6:15 pm

1 stop11h 55m

$760

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Tue 3/25

2:55 pm-11:40 am

2 stops14h 45m

Ljubljana Joze Pucnik

Mon 4/7

12:35 pm-6:02 pm

2 stops36h 27m

$769

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 4/6

9:24 am-9:40 am

2 stops41h 16m

Ljubljana Joze Pucnik

Sun 4/13

5:05 pm-7:40 pm

1 stop33h 35m

$877

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Fri 3/28

8:05 pm-9:05 am

1 stop31h 00m

Ljubljana Joze Pucnik

Sun 4/6

10:50 am-12:10 pm

1 stop32h 20m

$1,006

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Sun 4/13

4:59 pm-11:35 am

2 stops35h 36m

Ljubljana Joze Pucnik

Sat 5/10

12:35 pm-6:30 pm

2 stops36h 55m

$1,209

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Sun 4/6

2:57 pm-12:05 pm

2 stops14h 08m

Ljubljana Joze Pucnik

Sun 4/13

9:10 am-6:02 pm

2 stops15h 52m

$1,501

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 13 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.

Travel insights for flights from Chicago to Slovenia

Get recent, data-driven insights about flights from Chicago to Slovenia including ideal travel times, pricing trends, and more.

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 $1,520). 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 February 20, 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.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Slovenia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 February 20, 2025.
To help decide which airline to fly from Chicago to Slovenia, see what other customers have to say about Delta, KLM and LOT. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,080 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $1,520). 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 6 airlines flying from Chicago to Slovenia

Discover the top 6 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$689FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$637Average$1,056FlexibilityNo cancel feeOn-time70%
KLMCheapest$676Average$929FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$715Average$1,010FlexibilityNo cancel feeOn-time76%
SWISSCheapest$725Average$1,166FlexibilityNo cancel feeOn-time79%
Air SerbiaCheapest$783Average$979FlexibilityNo cancel feeOn-timeN/A
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