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$490+ Cheap flights from Slovenia to Illinois

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
may. 24 — may. 311
sáb. 5/24
sáb. 5/31
1 adult, Economy
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Cheap flight deals from Slovenia to Illinois

Keep the following information in mind while searching for Slovenia to Illinois flight deals. Data was last updated mayo 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$674
(KLM)

One-way from

$490
(oojo)

Popular in

December

Cheapest in

November

Average price

$693
Provider with most accurate pricing for Ljubljana Joze Pucnik-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Ljubljana Joze Pucnik-Chicago (CHI) flights.
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From Slovenia to Illinois
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One-way flight from Slovenia to Illinois
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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Slovenia to Illinois

Cheapest flights from Slovenia to Illinois
Explore the most affordable flight options available from Slovenia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 19, 2025.

This KLM deal was found by Cheapflights users on 5/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2012:35 pmLJU - ORD
1 stop32h 35mKLM
dom. 9/282:10 pmORD - LJU
2 stops14h 25mKLM
Deal found 5/19$674
This Air Canada deal was found by Cheapflights users on 5/19. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:40 amLJU - ORD
2 stops19h 49mMultiple Airlines
mar. 10/1410:40 amORD - LJU
2 stops16h 25mMultiple Airlines
Deal found 5/19$676
This flugladen.de deal was found by Cheapflights users on 5/19. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/31:20 pmLJU - ORD
1 stop13h 20mLOT
mar. 10/149:40 pmORD - LJU
1 stop31h 55mLOT
Deal found 5/19$691
This SWISS deal was found by Cheapflights users on 5/19. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/37:20 pmLJU - ORD
1 stop27h 35mSWISS
jue. 7/102:20 pmORD - LJU
1 stop12h 45mSWISS
Deal found 5/19$734
This oojo deal was found by Cheapflights users on 5/18. 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.
jue. 7/106:40 amLJU - ORD
2 stops14h 20mLufthansa
mié. 7/1610:30 pmORD - LJU
2 stops13h 55mLufthansa
Deal found 5/18$843
This British Airways deal was found by Cheapflights users on 5/18. 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.
jue. 7/107:00 pmLJU - ORD
1 stop30h 15mBritish Airways
mié. 7/167:15 pmORD - LJU
1 stop15h 35mBritish Airways
Deal found 5/18$871
This Turkish Airlines deal was found by Cheapflights users on 5/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/168:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
sáb. 6/217:50 pmORD - LJU
1 stop29h 40mTurkish Airlines
Deal found 5/18$905
This Delta deal was found by Cheapflights users on 5/18. 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.
lun. 6/1612:35 pmLJU - ORD
2 stops16h 30mDelta
sáb. 6/2110:35 amORD - LJU
2 stops18h 00mDelta
Deal found 5/18$1,090
This KLM deal was found by Cheapflights users on 5/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/39:30 amLJU - MDW
2 stops16h 11mKLM
jue. 7/101:09 pmMDW - LJU
2 stops14h 56mKLM
Deal found 5/19$1,399

Cheapflights Fare Finder

Customize your flight search to find flights from Slovenia to Illinois 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 mayo 19, 2025.
Use the filters below to find and compare flights from Slovenia to Illinois that are best for you.

Fly from

Slovenia

Fly to

Illinois

Route

Depart

Return

Price

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

sáb. 9/20

12:35 pm-2:10 pm

1 stop32h 35m

Chicago O'Hare Intl

dom. 9/28

2:10 pm-11:35 am

2 stops14h 25m

$674

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

vie. 10/3

6:40 am-7:29 pm

2 stops19h 49m

Chicago O'Hare Intl

mar. 10/14

10:40 am-10:05 am

2 stops16h 25m

$676

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

vie. 10/3

1:20 pm-7:40 pm

1 stop13h 20m

Chicago O'Hare Intl

mar. 10/14

9:40 pm-12:35 pm

1 stop31h 55m

$691

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

jue. 7/3

7:20 pm-3:55 pm

1 stop27h 35m

Chicago O'Hare Intl

jue. 7/10

2:20 pm-10:05 am

1 stop12h 45m

$734

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

jue. 7/10

6:40 am-2:00 pm

2 stops14h 20m

Chicago O'Hare Intl

mié. 7/16

10:30 pm-7:25 pm

2 stops13h 55m

$843

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

jue. 7/10

7:00 pm-6:15 pm

1 stop30h 15m

Chicago O'Hare Intl

mié. 7/16

7:15 pm-5:50 pm

1 stop15h 35m

$871

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

lun. 6/16

8:10 pm-9:40 am

1 stop20h 30m

Chicago O'Hare Intl

sáb. 6/21

7:50 pm-8:30 am

1 stop29h 40m

$905

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

lun. 6/16

12:35 pm-10:05 pm

2 stops16h 30m

Chicago O'Hare Intl

sáb. 6/21

10:35 am-11:35 am

2 stops18h 00m

$1,090

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

jue. 7/3

9:30 am-6:41 pm

2 stops16h 11m

Chicago Midway

jue. 7/10

1:09 pm-11:05 am

2 stops14h 56m

$1,399

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

sáb. 7/12

1:20 pm-12:05 pm

1 stop29h 45m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 11 results
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Best time to book a flight from Slovenia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Slovenia 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 Slovenia to Illinois

What is the cheapest time of day to fly from SI to IL?

Find hourly flight availability from Slovenia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 19, 2025.

When flying from Slovenia to Illinois, 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 Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated mayo 19, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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
1,344 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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
1,071 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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!
SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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!
Turkish Airlines
7.3
Good
3,810 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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 Slovenia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Slovenia to Illinois that include hotel bookings?

    Yes. In addition to deals on Slovenia to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Slovenia to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Slovenia to Illinois.

  • Can I find deals for business class flights from Slovenia to Illinois?

    Yes. Cheapflights offers flight deals from Slovenia to Illinois 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 Slovenia to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Slovenia to Illinois (average of $245). Flying from Slovenia to Illinois in March is currently the most expensive (average of $321). 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 Slovenia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Slovenia to Illinois

Discover the top airline that operate flights from Slovenia to Illinois. 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 mayo 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$597Average$845FlexibilityNo cancel feeOn-time76%

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