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$474+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Slovenia to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Slovenia (SI0) to Illinois (USIL). 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 January 21, 2025.

Round-trip from

$601
(flugladen.de)

One-way from

$474
(oojo)
From Slovenia to Illinois
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One-way flight from Slovenia to Illinois
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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 January 21, 2025.

This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/121:45 pmLJU - ORD
1 stop13h 15mLOT
Sun 3/1610:55 pmORD - LJU
2 stops35h 35mLOT
Deal found 1/21$601
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/101:55 pmLJU - ORD
2 stops25h 00mMultiple Airlines
Mon 6/2311:55 amORD - LJU
2 stops14h 40mMultiple Airlines
Deal found 1/21$638
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:45 pmLJU - ORD
1 stop21h 25mTurkish Airlines
Sat 2/1511:55 amORD - LJU
1 stop23h 55mTurkish Airlines
Deal found 1/21$642
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/96:30 amLJU - ORD
2 stops19h 11mLufthansa
Sat 2/153:15 pmORD - LJU
1 stop11h 50mLufthansa
Deal found 1/21$648
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.
Tue 6/1010:50 amLJU - ORD
1 stop12h 05mSWISS
Mon 6/232:20 pmORD - LJU
1 stop12h 45mSWISS
Deal found 1/21$707
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:25 pmLJU - MDW
2 stops26h 44mKLM
Sun 3/162:55 pmMDW - LJU
2 stops14h 45mKLM
Deal found 1/21$904
This Aeromexico 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:35 pmLJU - MDW
2 stops36h 28mAir France
Wed 7/1610:10 amMDW - LJU
2 stops18h 25mAir France
Deal found 1/20$933

Find flights from Slovenia to Illinois within your budget

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 January 21, 2025.

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Depart

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Price

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Wed 3/12

1:45 pm-9:00 pm

1 stop13h 15m

Chicago O'Hare Intl

Sun 3/16

10:55 pm-4:30 pm

2 stops35h 35m

$601

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 6/10

1:55 pm-7:55 am

2 stops25h 00m

Chicago O'Hare Intl

Mon 6/23

11:55 am-9:35 am

2 stops14h 40m

$638

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 2/9

7:45 pm-10:10 am

1 stop21h 25m

Chicago O'Hare Intl

Sat 2/15

11:55 am-6:50 pm

1 stop23h 55m

$642

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 2/9

6:30 am-6:41 pm

2 stops19h 11m

Chicago O'Hare Intl

Sat 2/15

3:15 pm-10:05 am

1 stop11h 50m

$648

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 6/10

10:50 am-3:55 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 6/23

2:20 pm-10:05 am

1 stop12h 45m

$707

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Wed 3/12

12:25 pm-9:09 am

2 stops26h 44m

Chicago Midway

Sun 3/16

2:55 pm-11:40 am

2 stops14h 45m

$904

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Wed 6/25

12:35 pm-6:03 pm

2 stops36h 28m

Chicago Midway

Wed 7/16

10:10 am-11:35 am

2 stops18h 25m

$933

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/6

9:25 am-5:55 pm

1 stop15h 30m

$474

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 4/6

8:45 pm-6:45 pm

2 stops29h 00m

$502

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 7/17

9:30 am-2:10 pm

1 stop11h 40m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 15 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.

Travel insights for flights from Slovenia to Illinois

Get recent, data-driven insights about flights from Slovenia to Illinois including ideal travel times, pricing trends, and more.

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 January 21, 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 January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

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

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

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

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

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

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

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

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

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?

    $474 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on KLM and Lufthansa, with prices starting from $746 and $753, 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 $320). 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$633Average$666FlexibilityNo cancel feeOn-time79%
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