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$519+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LJU
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Chicago to Slovenia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Slovenia (SI0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$567
(oojo)

One-way from

$519
(Kiwi.com)
From Chicago (CHI) to Slovenia
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One-way flight from Chicago (CHI) to Slovenia
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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 enero 21, 2025.

This oojo deal was found by Cheapflights users on 1/20. 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.
mar. 3/48:30 pmORD - LJU
1 stop15h 20mTurkish Airlines
mar. 3/259:20 amLJU - ORD
1 stop31h 50mTurkish Airlines
Deal found 1/20$567
This oojo deal was found by Cheapflights users on 1/20. 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.
vie. 2/149:55 pmORD - LJU
1 stop32h 10mLOT
mar. 2/185:10 pmLJU - ORD
1 stop33h 50mLOT
Deal found 1/20$631
This Air Serbia deal was found by Cheapflights users on 1/20. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/15:30 pmORD - LJU
1 stop19h 20mAir Serbia
jue. 3/278:50 pmLJU - ORD
1 stop24h 45mAir Serbia
Deal found 1/20$663
This KLM deal was found by Cheapflights users on 1/20. 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.
lun. 3/35:20 pmORD - LJU
1 stop11h 20mKLM
mar. 3/2510:15 amLJU - ORD
2 stops16h 29mKLM
Deal found 1/20$665
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/411:15 amORD - LJU
2 stops17h 25mMultiple Airlines
mar. 3/1112:25 pmLJU - ORD
2 stops17h 31mMultiple Airlines
Deal found 1/20$673
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/412:44 pmMDW - LJU
2 stops15h 56mMultiple Airlines
mar. 3/1112:25 pmLJU - MDW
2 stops26h 44mMultiple Airlines
Deal found 1/20$673
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/25:45 amORD - LJU
2 stops22h 55mDelta
mié. 3/2612:25 pmLJU - ORD
2 stops27h 27mDelta
Deal found 1/20$674
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/212:44 pmMDW - LJU
2 stops15h 56mDelta
jue. 3/2712:25 pmLJU - MDW
2 stops35h 37mDelta
Deal found 1/20$679
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/305:10 pmORD - LJU
2 stops17h 40mBritish Airways
jue. 6/57:00 pmLJU - ORD
1 stop26h 50mBritish Airways
Deal found 1/20$718
This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/227:05 pmORD - LJU
1 stop20h 10mSWISS
mié. 1/296:35 amLJU - ORD
1 stop16h 40mSWISS
Deal found 1/21$751
This Lufthansa deal was found by Cheapflights users on 1/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/29:25 pmORD - LJU
1 stop15h 10mLufthansa
jue. 3/2710:25 amLJU - ORD
1 stop16h 40mLufthansa
Deal found 1/20$757
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/294:20 pmORD - LJU
1 stop12h 45mAir France
mié. 6/412:20 pmLJU - ORD
2 stops18h 46mAir France
Deal found 1/20$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 enero 21, 2025.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 3/4

8:30 pm-6:50 pm

1 stop15h 20m

Ljubljana Joze Pucnik

mar. 3/25

9:20 am-11:10 am

1 stop31h 50m

$567

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

vie. 2/14

9:55 pm-1:05 pm

1 stop32h 10m

Ljubljana Joze Pucnik

mar. 2/18

5:10 pm-8:00 pm

1 stop33h 50m

$631

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

sáb. 3/1

5:30 pm-7:50 pm

1 stop19h 20m

Ljubljana Joze Pucnik

jue. 3/27

8:50 pm-3:35 pm

1 stop24h 45m

$663

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

lun. 3/3

5:20 pm-11:40 am

1 stop11h 20m

Ljubljana Joze Pucnik

mar. 3/25

10:15 am-8:44 pm

2 stops16h 29m

$665

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mar. 3/4

11:15 am-11:40 am

2 stops17h 25m

Ljubljana Joze Pucnik

mar. 3/11

12:25 pm-11:56 pm

2 stops17h 31m

$673

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

mar. 3/4

12:44 pm-11:40 am

2 stops15h 56m

Ljubljana Joze Pucnik

mar. 3/11

12:25 pm-9:09 am

2 stops26h 44m

$673

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

dom. 3/2

7:05 am-11:40 am

2 stops21h 35m

Ljubljana Joze Pucnik

jue. 3/27

12:25 pm-9:52 am

2 stops27h 27m

$674

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

mié. 4/30

5:10 pm-5:50 pm

2 stops17h 40m

Ljubljana Joze Pucnik

jue. 6/5

7:00 pm-2:50 pm

1 stop26h 50m

$718

ChicagoLjubljana

MDW - LJU

MDWLJU

Chicago Midway

mié. 2/26

10:57 am-11:40 am

2 stops17h 43m

Ljubljana Joze Pucnik

mié. 3/12

12:25 pm-8:45 am

2 stops26h 20m

$729

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

dom. 3/2

9:25 pm-7:35 pm

1 stop15h 10m

Ljubljana Joze Pucnik

jue. 3/27

10:25 am-9:05 pm

1 stop16h 40m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 20 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.

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 enero 21, 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 enero 21, 2025.
To help decide which airline to fly from Chicago to Slovenia, see what other customers have to say about KLM, Delta and Air France. 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
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 10

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 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$529Average$695FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$637Average$1,049FlexibilityNo cancel feeOn-time70%
KLMCheapest$667Average$929FlexibilityNo cancel feeOn-time75%
SWISSCheapest$689Average$1,092FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$705Average$976FlexibilityNo cancel feeOn-time76%
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