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Slovenia

$423+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
juin 28 — juil. 51
sam. 6/28
sam. 7/5
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 juin 23, 2025.

Round-trip from

$638
(Finnair)

One-way from

$423
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,568
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. 32% potential increase in price ($441 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in June 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 juin 23, 2025.

This Finnair deal was found by Cheapflights users on 6/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/129:30 pmORD - LJU
1 stop28h 15mFinnair
mar. 8/199:30 amLJU - ORD
2 stops33h 25mFinnair
Deal found 6/23$638
This KAYAK deal was found by Cheapflights users on 6/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/89:40 pmORD - LJU
1 stop32h 05mLOT
lun. 9/151:20 pmLJU - ORD
1 stop32h 50mLOT
Deal found 6/21$640
This Mytrip deal was found by Cheapflights users on 6/23. 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.
mar. 8/127:05 pmORD - LJU
1 stop32h 00mSWISS
mar. 8/1910:50 amLJU - ORD
1 stop32h 20mSWISS
Deal found 6/23$703
This CrystalTravel deal was found by Cheapflights users on 6/21. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/132:20 pmORD - LJU
1 stop12h 45mMultiple Airlines
dim. 8/246:40 amLJU - ORD
1 stop13h 15mMultiple Airlines
Deal found 6/21$716
This British Airways deal was found by Cheapflights users on 6/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/37:15 pmORD - LJU
1 stop15h 35mBritish Airways
mer. 9/176:00 pmLJU - ORD
1 stop26h 55mBritish Airways
Deal found 6/21$726
This Lufthansa deal was found by Cheapflights users on 6/23. 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.
sam. 12/68:07 pmORD - LJU
2 stops42h 43mLufthansa
ven. 12/1910:35 amLJU - ORD
1 stop16h 30mLufthansa
Deal found 6/23$734
This FlightHub deal was found by Cheapflights users on 6/22. 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.
lun. 9/811:45 pmORD - LJU
1 stop36h 30mTurkish Airlines
lun. 9/152:05 pmLJU - ORD
1 stop14h 55mTurkish Airlines
Deal found 6/22$754
This Delta deal was found by Cheapflights users on 6/22. 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.
mer. 8/65:10 pmORD - LJU
1 stop11h 25mDelta
mer. 8/137:40 amLJU - ORD
2 stops21h 14mDelta
Deal found 6/22$825
This KLM deal was found by Cheapflights users on 6/22. 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.
mer. 9/32:00 pmORD - LJU
2 stops14h 35mKLM
mer. 9/1712:35 pmLJU - ORD
1 stop32h 35mKLM
Deal found 6/22$838
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/139:15 amMDW - LJU
2 stops19h 20mDelta
dim. 8/246:30 amLJU - MDW
2 stops19h 07mDelta
Deal found 6/21$868
This KLM deal was found by Cheapflights users on 6/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/39:30 amMDW - LJU
2 stops26h 25mKLM
dim. 12/712:25 pmLJU - MDW
2 stops40h 19mKLM
Deal found 6/21$883
This Air France deal was found by Cheapflights users on 6/23. 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.
lun. 8/111:43 pmMDW - LJU
2 stops15h 22mAir France
lun. 8/1812:20 pmLJU - MDW
2 stops16h 29mAir France
Deal found 6/23$901

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 juin 23, 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

mar. 8/12

9:30 pm-8:45 am

1 stop28h 15m

Ljubljana Joze Pucnik

mar. 8/19

9:30 am-11:55 am

2 stops33h 25m

$638

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 9/8

9:40 pm-12:45 pm

1 stop32h 05m

Ljubljana Joze Pucnik

lun. 9/15

1:20 pm-3:10 pm

1 stop32h 50m

$640

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 8/12

7:05 pm-10:05 am

1 stop32h 00m

Ljubljana Joze Pucnik

mar. 8/19

10:50 am-12:10 pm

1 stop32h 20m

$703

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mer. 8/13

2:20 pm-10:05 am

1 stop12h 45m

Ljubljana Joze Pucnik

dim. 8/24

6:40 am-12:55 pm

1 stop13h 15m

$716

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mer. 9/3

7:15 pm-5:50 pm

1 stop15h 35m

Ljubljana Joze Pucnik

mer. 9/17

6:00 pm-1:55 pm

1 stop26h 55m

$726

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

sam. 12/6

8:07 pm-9:50 pm

2 stops42h 43m

Ljubljana Joze Pucnik

ven. 12/19

10:35 am-8:05 pm

1 stop16h 30m

$734

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 9/8

11:45 pm-7:15 pm

1 stop36h 30m

Ljubljana Joze Pucnik

lun. 9/15

2:05 pm-10:00 pm

1 stop14h 55m

$754

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mer. 8/6

5:10 pm-11:35 am

1 stop11h 25m

Ljubljana Joze Pucnik

mer. 8/13

7:40 am-9:54 pm

2 stops21h 14m

$825

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mer. 9/3

2:00 pm-11:35 am

2 stops14h 35m

Ljubljana Joze Pucnik

mer. 9/17

12:35 pm-2:10 pm

1 stop32h 35m

$838

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

mer. 8/13

9:15 am-11:35 am

2 stops19h 20m

Ljubljana Joze Pucnik

dim. 8/24

6:30 am-6:37 pm

2 stops19h 07m

$868

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/20

Showing 1-10 of 21 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 $1,460). 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 juin 23, 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 juin 23, 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
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,966 reviews
Delta
8.0
Very good
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,082 reviews
Delta
8.0
Very good
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,295 reviews
Delta
8.0
Very good
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,470 reviews
Delta
8.0
Very good
7,966 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $464. However, be on the lookout for offers from Turkish Airlines and Lufthansa, 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 $1,460). 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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Midway to Istanbul flights

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 juin 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$748FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
SWISSCheapest$628Average$1,277FlexibilityNo cancel feeOn-time79%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$796Average$1,058FlexibilityNo cancel feeOn-time76%

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