HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$495+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — ORD
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Slovenia to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$706
(oojo)

One-way from

$495
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$826
From Slovenia to Illinois
Search Deals
One-way flight from Slovenia to Illinois
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This oojo deal was found by Cheapflights users on 7/1. 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.
Sat 10/111:20 pmLJU - ORD
1 stop32h 50mLOT
Wed 10/229:40 pmORD - LJU
1 stop31h 55mLOT
Deal found 7/1$706
This Flighttix deal was found by Cheapflights users on 7/1. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:20 pmLJU - ORD
1 stop23h 50mSWISS
Wed 7/302:20 pmORD - LJU
1 stop12h 45mSWISS
Deal found 7/1$712
This KLM deal was found by Cheapflights users on 7/1. 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.
Sun 10/1212:35 pmLJU - ORD
1 stop33h 05mKLM
Tue 10/215:10 pmORD - LJU
1 stop11h 25mKLM
Deal found 7/1$715
This Delta deal was found by Cheapflights users on 7/1. 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 9/2012:35 pmLJU - ORD
1 stop32h 35mDelta
Sun 9/289:10 amORD - LJU
2 stops19h 25mDelta
Deal found 7/1$717
This Lufthansa deal was found by Cheapflights users on 7/1. 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.
Thu 10/98:00 pmLJU - ORD
1 stop25h 05mLufthansa
Fri 10/246:00 pmORD - LJU
1 stop18h 25mLufthansa
Deal found 7/1$724
This KLM deal was found by Cheapflights users on 7/1. 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 10/1012:35 pmLJU - ORD
2 stops18h 18mMultiple Airlines
Sat 10/255:10 pmORD - LJU
1 stop12h 30mMultiple Airlines
Deal found 7/1$744
This flugladen.de deal was found by Cheapflights users on 7/3. 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.
Tue 7/228:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
Thu 7/3111:25 amORD - LJU
1 stop18h 45mTurkish Airlines
Deal found 7/3$758
This Delta deal was found by Cheapflights users on 7/2. 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 9/2012:35 pmLJU - MDW
2 stops28h 05mDelta
Sun 9/289:20 amMDW - LJU
2 stops19h 15mDelta
Deal found 7/2$941
This KLM deal was found by Cheapflights users on 7/1. 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.
Sun 10/129:10 amLJU - MDW
2 stops15h 57mKLM
Thu 10/231:00 pmMDW - LJU
2 stops15h 05mKLM
Deal found 7/1$1,002
This Air France deal was found by Cheapflights users on 7/3. 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.
Sun 8/246:30 amLJU - MDW
2 stops18h 07mAir France
Sun 8/311:08 pmMDW - LJU
2 stops15h 27mAir France
Deal found 7/3$1,247

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 July 3, 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

Sat 10/11

1:20 pm-3:10 pm

1 stop32h 50m

Chicago O'Hare Intl

Wed 10/22

9:40 pm-12:35 pm

1 stop31h 55m

$706

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 7/22

7:20 pm-12:10 pm

1 stop23h 50m

Chicago O'Hare Intl

Wed 7/30

2:20 pm-10:05 am

1 stop12h 45m

$712

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Sun 10/12

12:35 pm-2:40 pm

1 stop33h 05m

Chicago O'Hare Intl

Sat 10/25

5:10 pm-12:40 pm

1 stop12h 30m

$715

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

9:10 am-11:35 am

2 stops19h 25m

$717

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Thu 10/9

8:00 pm-2:05 pm

1 stop25h 05m

Chicago O'Hare Intl

Sat 10/25

3:35 pm-10:05 am

1 stop11h 30m

$724

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Fri 10/10

12:35 pm-11:53 pm

2 stops18h 18m

Chicago O'Hare Intl

Sat 10/25

5:10 pm-12:40 pm

1 stop12h 30m

$744

LjubljanaChicago

LJU - ORD

LJUORD

Ljubljana Joze Pucnik

Tue 7/22

8:10 pm-9:40 am

1 stop20h 30m

Chicago O'Hare Intl

Thu 7/31

11:25 am-1:10 pm

1 stop18h 45m

$758

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Sat 9/20

12:35 pm-9:40 am

2 stops28h 05m

Chicago Midway

Sun 9/28

9:20 am-11:35 am

2 stops19h 15m

$941

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Sun 10/12

9:10 am-6:07 pm

2 stops15h 57m

Chicago Midway

Thu 10/23

1:00 pm-11:05 am

2 stops15h 05m

$1,002

LjubljanaChicago

LJU - MDW

LJUMDW

Ljubljana Joze Pucnik

Sun 8/24

6:30 am-5:37 pm

2 stops18h 07m

Chicago Midway

Sun 8/31

1:08 pm-11:35 am

2 stops15h 27m

$1,247

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results
1
2

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 July 3, 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and LOT from Slovenia to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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
1,092 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

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.

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

    $513 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 KLM, with prices starting from $544 and $732, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Slovenia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to LaGuardia flights
Frankfurt to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Frankfurt to Newark flights
Orly to Newark flights
Gatwick to John F Kennedy Intl flights
Charles de Gaulle to Miami flights
Gatwick to LaGuardia flights
Charles de Gaulle to LaGuardia flights
London City to Newark flights
Orly to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Madrid to Miami flights
Madrid to John F Kennedy Intl flights
Barcelona-El Prat to John F Kennedy Intl flights
Madrid to Newark flights
Luton to John F Kennedy Intl flights
Bruxelles-National to Newark flights
Frankfurt to LaGuardia flights
Barcelona-El Prat to Newark flights
Charles de Gaulle to Los Angeles flights
Bruxelles-National to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Vienna to Newark flights
Berlin to Newark flights
Dublin to John F Kennedy Intl flights
Charles de Gaulle to Stewart flights
Leonardo da Vinci/Fiumicino to Newark flights
Dublin to Newark flights
Stansted to Newark flights
Orly to Miami flights
Munich to John F Kennedy Intl flights
Munich to Newark flights
Malpensa to Newark flights
Malpensa to John F Kennedy Intl flights
Frederic Chopin to John F Kennedy Intl flights
Frankfurt to Miami flights
Frankfurt to Los Angeles flights
Berlin to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Orly to Los Angeles flights
Vienna to John F Kennedy Intl flights
Gatwick to Stewart flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$597Average$817FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.