HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ljubljana

$515+ Cheap flights from O'Hare Intl (ORD) to Ljubljana (LJU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Ljubljana 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.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Ljubljana Joze Pucnik are usually found in January or February, booked 16 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from O'Hare Intl to Ljubljana

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ljubljana (LJU). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$628
Provider with most accurate pricing for Chicago O'Hare Intl-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Ljubljana Joze Pucnik flights.
Search Deals
From Chicago O'Hare Intl to Ljubljana Joze Pucnik
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from O'Hare Intl to Ljubljana

Cheapest flights from O'Hare Intl to Ljubljana
Explore the most affordable flight options available from O'Hare Intl to Ljubljana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. 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.
Thu 11/2711:50 amORD - LJU
1 stop23h 50mTurkish Airlines
Thu 12/49:20 amLJU - ORD
1 stop31h 45mTurkish Airlines
Deal found 10/28$515
This Delta deal was found by Cheapflights users on 10/28. 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 11/277:00 amORD - LJU
2 stops21h 40mDelta
Thu 12/412:50 pmLJU - ORD
2 stops18h 11mDelta
Deal found 10/28$553
This Delta deal was found by Cheapflights users on 10/28. 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.
Wed 12/35:20 pmORD - LJU
1 stop11h 20mDelta
Sun 12/712:25 pmLJU - ORD
2 stops28h 31mDelta
Deal found 10/28$555
This Air France deal was found by Cheapflights users on 10/28. 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.
Thu 11/271:25 pmORD - LJU
2 stops15h 55mMultiple Airlines
Thu 12/412:50 pmLJU - ORD
1 stop32h 30mMultiple Airlines
Deal found 10/28$649
This KLM deal was found by Cheapflights users on 10/29. 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 12/2512:30 pmORD - LJU
2 stops16h 10mKLM
Thu 1/2212:50 pmLJU - ORD
2 stops18h 07mKLM
Deal found 10/29$653
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 pmORD - LJU
1 stop12h 10mMultiple Airlines
Fri 11/710:35 amLJU - ORD
1 stop16h 30mMultiple Airlines
Deal found 10/30$720
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:35 pmORD - LJU
2 stops27h 30mLufthansa
Thu 1/226:35 amLJU - ORD
1 stop13h 35mLufthansa
Deal found 10/29$826

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Ljubljana 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 October 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ljubljana that are best for you.

Fly from

O'Hare Intl

Fly to

Ljubljana

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 1/15

8:20 pm-6:40 pm

1 stop15h 20m

Ljubljana Joze Pucnik

Sun 1/25

7:35 pm-10:05 am

1 stop21h 30m

$535

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 12/3

10:36 am-11:40 am

2 stops18h 04m

Ljubljana Joze Pucnik

Sun 12/7

12:45 pm-2:20 pm

1 stop32h 35m

$543

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 1/15

1:54 pm-11:40 am

2 stops14h 46m

Ljubljana Joze Pucnik

Sun 1/25

1:40 pm-2:20 pm

1 stop31h 40m

$543

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Thu 11/27

1:25 pm-12:20 pm

2 stops15h 55m

Ljubljana Joze Pucnik

Thu 12/4

12:50 pm-2:20 pm

1 stop32h 30m

$649

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 12/29

6:30 pm-9:20 am

3 stops31h 50m

$1,506

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 12/29

11:50 am-6:40 pm

1 stop23h 50m

$1,914

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from O'Hare Intl to Ljubljana

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Ljubljana in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Ljubljana flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Ljubljana flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Ljubljana flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Ljubljana flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Ljubljana flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Ljubljana

Have a flexible travel schedule? Discover the best time to fly to Ljubljana from O'Hare Intl 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 Chicago O'Hare Intl Airport to Ljubljana

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Ljubljana?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Ljubljana. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Ljubljana, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Ljubljana?

Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ljubljana (average of $503). Flying from Chicago O'Hare Intl Airport to Ljubljana in June is currently the most expensive (average of $1,238). 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 ORD to LJU?

Find hourly flight availability from O'Hare Intl to Ljubljana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Ljubljana at noon. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Ljubljana

Get insights into the airlines that provide service to Ljubljana. 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 Ljubljana. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown KLM, SWISS, and Turkish Airlines from Chicago O'Hare Intl Airport to Ljubljana. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
SWISS
7.5
Good
1,775 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,031 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,541 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air Serbia
6.2
Okay
205 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ljubljana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ljubljana from Chicago O'Hare Intl?

    Most people fly into Ljubljana Joze Pucnik (LJU) if they book a flight to Ljubljana from Chicago O'Hare Intl. On average, Joze Pucnik has 0 inbound flights from Chicago O'Hare Intl per day from 5 airlines. Ljubljana Joze Pucnik is conveniently located just 11.7 mi from Ljubljana’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Ljubljana?

    A quick flight from Chicago O'Hare Intl Airport to Ljubljana can take about 15h 20m. Turkish Airlines provides one of the quickest options available for as low as $535. There are 4703 mi between Chicago O'Hare Intl Airport and Ljubljana. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Ljubljana round-trip?

    Turkish Airlines, at $575, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Ljubljana.Alternate airlines to your destination round-trip include KLM and Air Serbia. These flights start at 31% lower than the current average price 3 months from now.

  • Can I find deals for flights from O'Hare Intl to Ljubljana that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Ljubljana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Ljubljana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Ljubljana.

  • Can I find deals for business class flights from O'Hare Intl to Ljubljana?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ljubljana 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 O'Hare Intl Airport to Ljubljana?

    Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Ljubljana (average of $503). Flying from Chicago O'Hare Intl Airport to Ljubljana in June is currently the most expensive (average of $1,238). 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

Traveling to a place near Ljubljana?

Book flights to Ljubljana if you plan to visit one of these locations
Kranjska Gora

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 O'Hare Intl to Ljubljana

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Ljubljana flights
O'Hare Intl to Maribor flights

Top 5 airlines flying from O'Hare Intl to Ljubljana

Discover the top 5 airlines that operate flights from O'Hare Intl to Ljubljana. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$575Average$740FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$820Average$982FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$849Average$1,073FlexibilityNo 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.