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$376+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$603
(FlightHub)

One-way from

$444
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$881
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. 29% potential increase in price ($385 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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 9/811:45 pmORD - LJU
1 stop30h 25mTurkish Airlines
Fri 9/198:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
Deal found 3/31$603
This Orbitz deal was found by Cheapflights users on 3/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:35 pmORD - LJU
1 stop17h 00mSWISS
Tue 4/810:50 amLJU - ORD
1 stop12h 05mSWISS
Deal found 3/29$754
This FlightHub deal was found by Cheapflights users on 3/29. 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.
Tue 4/111:30 amORD - LJU
2 stops25h 05mMultiple Airlines
Tue 4/810:50 amLJU - ORD
1 stop12h 05mMultiple Airlines
Deal found 3/29$756
This Lufthansa deal was found by Cheapflights users on 3/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:40 pmORD - LJU
1 stop14h 55mLufthansa
Tue 4/89:35 amLJU - ORD
1 stop15h 40mLufthansa
Deal found 3/29$760
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/12:55 pmMDW - LJU
2 stops13h 40mDelta
Tue 4/812:35 pmLJU - MDW
2 stops34h 37mDelta
Deal found 3/29$772
This oojo deal was found by Cheapflights users on 3/31. 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.
Sun 4/203:51 pmORD - LJU
2 stops15h 24mBritish Airways
Mon 4/283:10 pmLJU - ORD
2 stops29h 20mBritish Airways
Deal found 3/31$826
This oojo deal was found by Cheapflights users on 3/31. 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.
Thu 5/85:10 pmORD - LJU
2 stops16h 10mLOT
Thu 5/155:05 pmLJU - ORD
1 stop33h 35mLOT
Deal found 3/31$914
This KLM deal was found by Cheapflights users on 3/30. 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.
Tue 5/61:25 pmORD - LJU
2 stops15h 10mKLM
Tue 5/139:05 amLJU - ORD
1 stop12h 05mKLM
Deal found 3/30$1,079
This Delta deal was found by Cheapflights users on 3/31. 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.
Sun 9/77:00 amORD - LJU
2 stops21h 35mDelta
Wed 9/1712:35 pmLJU - ORD
1 stop32h 35mDelta
Deal found 3/31$1,082
This KLM deal was found by Cheapflights users on 3/30. 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.
Tue 5/63:02 pmMDW - LJU
2 stops13h 33mKLM
Tue 5/139:05 amLJU - MDW
2 stops16h 40mKLM
Deal found 3/30$1,084
This Aeromexico deal was found by Cheapflights users on 3/30. 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.
Wed 9/171:00 pmMDW - LJU
2 stops15h 35mAir France
Mon 9/2912:35 pmLJU - MDW
2 stops36h 23mAir France
Deal found 3/30$1,144
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:40 amMDW - LJU
3 stops16h 55mMultiple Airlines
Thu 5/221:20 pmLJU - MDW
3 stops34h 34mMultiple Airlines
Deal found 3/31$1,270

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 April 1, 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 9/8

11:45 pm-1:10 pm

1 stop30h 25m

Ljubljana Joze Pucnik

Fri 9/19

8:10 pm-9:40 am

1 stop20h 30m

$603

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 4/20

3:51 pm-2:15 pm

2 stops15h 24m

Ljubljana Joze Pucnik

Mon 4/28

3:10 pm-1:30 pm

2 stops29h 20m

$826

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 5/6

11:25 am-6:25 pm

2 stops24h 00m

Ljubljana Joze Pucnik

Tue 5/13

8:45 pm-2:25 pm

1 stop24h 40m

$911

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 5/8

5:10 pm-4:20 pm

2 stops16h 10m

Ljubljana Joze Pucnik

Thu 5/15

5:05 pm-7:40 pm

1 stop33h 35m

$914

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 9/10

1:58 pm-6:35 pm

2 stops21h 37m

Ljubljana Joze Pucnik

Fri 9/19

10:50 am-3:55 pm

1 stop12h 05m

$1,078

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 5/6

1:25 pm-11:35 am

2 stops15h 10m

Ljubljana Joze Pucnik

Tue 5/13

9:05 am-2:10 pm

1 stop12h 05m

$1,079

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 9/7

10:10 am-11:35 am

2 stops18h 25m

Ljubljana Joze Pucnik

Thu 9/18

12:35 pm-2:10 pm

1 stop32h 35m

$1,082

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Tue 5/6

3:02 pm-11:35 am

2 stops13h 33m

Ljubljana Joze Pucnik

Tue 5/13

9:05 am-6:45 pm

2 stops16h 40m

$1,084

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 5/18

10:30 pm-10:25 pm

1 stop16h 55m

Ljubljana Joze Pucnik

Tue 9/16

6:20 am-6:21 pm

2 stops19h 01m

$1,094

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

Wed 9/17

1:00 pm-11:35 am

2 stops15h 35m

Ljubljana Joze Pucnik

Mon 9/29

12:35 pm-5:58 pm

2 stops36h 23m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 22 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 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 April 1, 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 April 1, 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
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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
1,065 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Overall

8.0

Food

7.3

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 cheapest airlines to fly from Chicago to Slovenia one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $622. However, be on the lookout for offers from Turkish Airlines and British Airways, as they are both options that can get you from Chicago to Slovenia for a low price.

  • 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 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$704FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
SWISSCheapest$725Average$1,165FlexibilityNo cancel feeOn-time79%
Air SerbiaCheapest$783Average$979FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$795Average$1,086FlexibilityNo cancel feeOn-time76%
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