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$505+ 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
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$690
(SWISS)

One-way from

$505
(oojo)

Popular in

December

Cheapest in

November

Average price

$672
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 ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 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 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 April 24, 2025.

This SWISS deal was found by Cheapflights users on 4/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/510:50 amLJU - ORD
1 stop33h 00mSWISS
Thu 6/127:05 pmORD - LJU
1 stop30h 10mSWISS
Deal found 4/23$690
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:35 pmLJU - ORD
1 stop32h 35mKLM
Sun 9/284:20 pmORD - LJU
1 stop32h 55mKLM
Deal found 4/23$695
This LOT deal was found by Cheapflights users on 4/23. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/231:20 pmLJU - ORD
1 stop32h 50mLOT
Thu 8/72:20 pmORD - LJU
1 stop15h 15mLOT
Deal found 4/23$697
This Lufthansa deal was found by Cheapflights users on 4/23. 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.
Sat 9/206:30 amLJU - ORD
2 stops39h 07mLufthansa
Sun 9/283:35 pmORD - LJU
1 stop20h 50mLufthansa
Deal found 4/23$706
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/512:20 pmLJU - ORD
2 stops16h 10mDelta
Thu 6/1210:18 amORD - LJU
2 stops17h 47mDelta
Deal found 4/23$730
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
Thu 8/711:25 amORD - LJU
1 stop14h 05mTurkish Airlines
Deal found 4/23$741
This Air France deal was found by Cheapflights users on 4/23. 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.
Tue 6/2412:35 pmLJU - ORD
2 stops18h 24mAir France
Thu 8/712:17 pmORD - LJU
2 stops15h 48mAir France
Deal found 4/23$845
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:35 pmLJU - ORD
2 stops18h 18mMultiple Airlines
Tue 10/281:35 pmORD - LJU
2 stops16h 05mMultiple Airlines
Deal found 4/23$864
This KLM deal was found by Cheapflights users on 4/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/59:10 amLJU - MDW
2 stops15h 35mKLM
Thu 6/121:09 pmMDW - LJU
2 stops14h 56mKLM
Deal found 4/23$1,283
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:20 pmLJU - MDW
2 stops16h 24mDelta
Sun 9/289:20 amMDW - LJU
2 stops19h 15mDelta
Deal found 4/23$1,752

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 April 24, 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

Thu 6/5

10:50 am-12:50 pm

1 stop33h 00m

Chicago O'Hare Intl

Thu 6/12

7:05 pm-8:15 am

1 stop30h 10m

$690

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 9/20

12:35 pm-2:10 pm

1 stop32h 35m

Chicago O'Hare Intl

Sun 9/28

4:20 pm-8:15 am

1 stop32h 55m

$695

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Mon 6/23

1:20 pm-3:10 pm

1 stop32h 50m

Chicago O'Hare Intl

Thu 8/7

2:20 pm-12:35 pm

1 stop15h 15m

$697

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 9/20

6:30 am-2:37 pm

2 stops39h 07m

Chicago O'Hare Intl

Sun 9/28

3:35 pm-7:25 pm

1 stop20h 50m

$706

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 6/5

12:20 pm-9:30 pm

2 stops16h 10m

Chicago O'Hare Intl

Thu 6/12

10:18 am-11:05 am

2 stops17h 47m

$730

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 6/24

8:10 pm-9:40 am

1 stop20h 30m

Chicago O'Hare Intl

Thu 8/7

11:25 am-8:30 am

1 stop14h 05m

$741

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 6/24

12:35 pm-11:59 pm

2 stops18h 24m

Chicago O'Hare Intl

Thu 8/7

12:17 pm-11:05 am

2 stops15h 48m

$845

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sat 6/7

7:55 pm-10:55 am

3 stops46h 00m

Chicago O'Hare Intl

Sat 6/14

10:00 am-8:35 pm

3 stops27h 35m

$1,015

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Thu 6/5

9:10 am-5:45 pm

2 stops15h 35m

Chicago Midway

Thu 6/12

1:09 pm-11:05 am

2 stops14h 56m

$1,283

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Sat 9/20

12:20 pm-9:44 pm

2 stops16h 24m

Chicago Midway

Sun 9/28

9:20 am-11:35 am

2 stops19h 15m

$1,752

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 14 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 April 24, 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 April 24, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT from Slovenia to Illinois by reading reviews from past customers. 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
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Slovenia to Illinois one-way?

    $505 is the cheapest one-way deal found within the past few days, from LOT. You may also be able to find cheap deals on Turkish Airlines and British Airways, with prices starting from $537 and $1,361, respectively.

  • 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$597Average$845FlexibilityNo cancel feeOn-time76%

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