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$331+ Cheap flights from O'Hare Intl (ORD) to Slovenia

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LJU
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Slovenia

Keep the following information in mind while searching for O'Hare Intl to Slovenia flight deals. Data was last updated June 14, 2025.

Round-trip from

$727
(British Airways)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,568
From Chicago O'Hare Intl to Slovenia
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One-way flight from Chicago O'Hare Intl to Slovenia
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Highest demand for flights based on searches. 32% potential increase in price ($445 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from O'Hare Intl to Slovenia

Cheapest flights from O'Hare Intl to Slovenia
Explore the most affordable flight options available from O'Hare Intl to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This oojo deal was found by Cheapflights users on 6/12. 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.
Fri 9/129:40 pmORD - LJU
1 stop31h 55mLOT
Tue 9/165:05 pmLJU - ORD
1 stop33h 35mLOT
Deal found 6/12$668
This SWISS deal was found by Cheapflights users on 6/12. 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.
Mon 7/212:20 pmORD - LJU
1 stop12h 45mSWISS
Thu 8/2110:50 amLJU - ORD
1 stop12h 05mSWISS
Deal found 6/12$718
This British Airways deal was found by Cheapflights users on 6/12. 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.
Wed 9/34:55 pmORD - LJU
1 stop17h 55mBritish Airways
Wed 9/176:00 pmLJU - ORD
1 stop26h 55mBritish Airways
Deal found 6/12$726
This Air Serbia deal was found by Cheapflights users on 6/11. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:30 pmORD - LJU
1 stop20h 30mAir Serbia
Sat 10/112:55 pmLJU - ORD
1 stop13h 05mAir Serbia
Deal found 6/11$734
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Mon 7/2110:30 pmORD - LJU
2 stops13h 55mMultiple Airlines
Thu 8/2110:50 amLJU - ORD
1 stop12h 05mMultiple Airlines
Deal found 6/12$745
This FlightHub deal was found by Cheapflights users on 6/12. 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 8/511:25 amORD - LJU
1 stop24h 50mTurkish Airlines
Fri 9/58:10 pmLJU - ORD
1 stop20h 30mTurkish Airlines
Deal found 6/12$750
This Lufthansa deal was found by Cheapflights users on 6/14. 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 12/68:07 pmORD - LJU
2 stops42h 43mLufthansa
Fri 12/199:45 amLJU - ORD
2 stops17h 20mLufthansa
Deal found 6/14$756
This Air France deal was found by Cheapflights users on 6/12. 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.
Mon 7/212:00 pmORD - LJU
2 stops14h 35mAir France
Thu 8/2112:20 pmLJU - ORD
2 stops18h 36mAir France
Deal found 6/12$817
This KLM deal was found by Cheapflights users on 6/13. 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 8/242:00 pmORD - LJU
2 stops14h 35mKLM
Mon 9/112:35 pmLJU - ORD
1 stop32h 35mKLM
Deal found 6/13$838
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 10/710:05 amORD - LJU
2 stops19h 00mDelta
Mon 10/1312:20 pmLJU - ORD
1 stop33h 40mDelta
Deal found 6/11$857

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Slovenia 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 June 14, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Slovenia that are best for you.

Fly from

O'Hare Intl

Fly to

Slovenia

Route

Depart

Return

Price

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Fri 9/12

9:40 pm-12:35 pm

1 stop31h 55m

Ljubljana Joze Pucnik

Tue 9/16

5:05 pm-7:40 pm

1 stop33h 35m

$668

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 7/21

2:20 pm-10:05 am

1 stop12h 45m

Ljubljana Joze Pucnik

Thu 8/21

10:50 am-3:55 pm

1 stop12h 05m

$718

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Wed 9/3

4:55 pm-5:50 pm

1 stop17h 55m

Ljubljana Joze Pucnik

Wed 9/17

6:00 pm-1:55 pm

1 stop26h 55m

$726

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 7/21

10:30 pm-7:25 pm

2 stops13h 55m

Ljubljana Joze Pucnik

Thu 8/21

10:50 am-3:55 pm

1 stop12h 05m

$745

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Tue 8/5

11:25 am-7:15 pm

1 stop24h 50m

Ljubljana Joze Pucnik

Fri 9/5

8:10 pm-9:40 am

1 stop20h 30m

$750

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 7/21

2:00 pm-11:35 am

2 stops14h 35m

Ljubljana Joze Pucnik

Thu 8/21

12:20 pm-11:56 pm

2 stops18h 36m

$817

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 8/24

2:00 pm-11:35 am

2 stops14h 35m

Ljubljana Joze Pucnik

Mon 9/1

12:35 pm-2:10 pm

1 stop32h 35m

$838

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 8/24

9:40 pm-7:25 pm

1 stop14h 45m

Ljubljana Joze Pucnik

Tue 9/2

6:20 am-12:55 pm

1 stop13h 35m

$868

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Mon 9/8

2:00 pm-12:05 pm

2 stops15h 05m

Ljubljana Joze Pucnik

Mon 9/15

12:20 pm-7:26 am

2 stops26h 06m

$914

ChicagoLjubljana

ORD - LJU

ORDLJU

Chicago O'Hare Intl

Sun 9/7

8:12 pm-8:00 pm

2 stops40h 48m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 16 results
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Best time to book a flight from O'Hare Intl to Slovenia

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

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

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Slovenia (average of $710). Flying from Chicago O'Hare Intl Airport to Slovenia in June is currently the most expensive (average of $1,462). 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 SI?

Find hourly flight availability from O'Hare Intl to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

When flying from Chicago O'Hare Intl Airport to Slovenia, 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 Slovenia by month

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

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

Temperature in Slovenia by month

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

If weather is an important factor for your trip to Slovenia, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. 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 Slovenia. Reviews last updated June 14, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Chicago to Slovenia. 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
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,360 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,080 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,463 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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
1,626 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

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 O'Hare Intl to Slovenia. 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 Chicago O'Hare Intl Airport to Slovenia one-way?

    For one-way options, check prices for Air Serbia. According to our data, you can fly for as low as $461. Users have also found prices from $475 and $481 on British Airways and Turkish Airlines, respectively.

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

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

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

    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 Slovenia.

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

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

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Slovenia (average of $710). Flying from Chicago O'Hare Intl Airport to Slovenia in June is currently the most expensive (average of $1,462). 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 O'Hare Intl to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Midway to Leonardo da Vinci/Fiumicino flights
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Midway to Madrid flights
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Midway to Barcelona-El Prat flights
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Midway to Frankfurt flights
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Midway to Krakow flights
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O'Hare Intl to Florence flights

Top 5 airlines flying from O'Hare Intl to Slovenia

Discover the top 5 airlines that operate flights from O'Hare Intl to Slovenia. 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$531Average$738FlexibilityNo cancel feeOn-time77%
KLMCheapest$590Average$929FlexibilityNo cancel feeOn-time75%
SWISSCheapest$628Average$1,277FlexibilityNo cancel feeOn-time79%
Air SerbiaCheapest$746Average$852FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$795Average$1,061FlexibilityNo cancel feeOn-time76%

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