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Ljubljana

$630+ Cheap flights from Ontario (ONT) 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.
ONT — LJU
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Ontario to Ljubljana

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$630
(United)

Popular in

June

Cheapest in

November

Average price

$720
Provider with most accurate pricing for Ontario-Ljubljana Joze Pucnik flight deals.
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Provider most trusted by Cheapflights users for Ontario-Ljubljana Joze Pucnik flights.
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From Ontario to Ljubljana Joze Pucnik
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Highest demand for flights based on searches. 25% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Ljubljana

Cheapest flights from Ontario to Ljubljana
Explore the most affordable flight options available from Ontario to Ljubljana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:00 amONT - LJU
2 stops17h 55mMultiple Airlines
Thu 12/46:35 amLJU - ONT
2 stops25h 14mMultiple Airlines
Deal found 10/28$630
This Delta deal was found by Cheapflights users on 10/26. 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 11/126:00 amONT - LJU
2 stops20h 40mDelta
Sun 11/1612:45 pmLJU - ONT
2 stops44h 07mDelta
Deal found 10/26$735
This KLM deal was found by Cheapflights users on 10/27. 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 11/127:05 amONT - LJU
2 stops19h 35mKLM
Sun 11/1612:25 pmLJU - ONT
2 stops43h 39mKLM
Deal found 10/27$751

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 29, 2025.
Use the filters below to find and compare flights from Ontario to Ljubljana that are best for you.

Fly from

Ontario

Fly to

Ljubljana

Route

Depart

Return

Price

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Thu 11/27

7:00 am-9:55 am

2 stops17h 55m

Ljubljana Joze Pucnik

Thu 12/4

6:35 am-10:49 pm

2 stops25h 14m

$630

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Wed 11/12

6:00 am-11:40 am

2 stops20h 40m

Ljubljana Joze Pucnik

Sun 11/16

12:45 pm-11:52 pm

2 stops44h 07m

$735

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Wed 11/12

7:05 am-11:40 am

2 stops19h 35m

Ljubljana Joze Pucnik

Sun 11/16

12:25 pm-11:04 pm

2 stops43h 39m

$751

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sat 2/14

1:53 pm-9:55 pm

2 stops23h 02m

Ljubljana Joze Pucnik

Tue 2/24

6:35 am-5:41 pm

2 stops20h 06m

$825

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 4/13

7:00 am-1:25 pm

2 stops21h 25m

Ljubljana Joze Pucnik

Mon 4/20

6:25 am-6:00 pm

2 stops20h 35m

$897

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 3/22

1:45 pm-7:30 pm

2 stops21h 45m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

  • Most accurate provider: When it comes to deals on Ontario-Ljubljana flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Ontario-Ljubljana flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Ontario-Ljubljana flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Ljubljana flights, Cheapflights users trust Expedia the most. Expedia 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 Ontario-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 Ontario to Ljubljana

Have a flexible travel schedule? Discover the best time to fly to Ljubljana from Ontario 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 Ontario to Ljubljana

What is the cheapest month to book a flight from Ontario to Ljubljana?

Currently, November is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $546). Flying from Ontario to Ljubljana in June is currently the most expensive (average of $1,319). 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.

Related info for your journey

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

  • How long is the flight from Ontario to Ljubljana?

    There are many flights that can get you from Ontario to Ljubljana in 19h 35m. Fly via Delta or KLM to get the fastest option. The distance between Ontario and Ljubljana is about 6133 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Ljubljana that include hotel bookings?

    Yes. In addition to deals on Ontario to Ljubljana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Ljubljana?

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

  • Can I find deals for business class flights from Ontario to Ljubljana?

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Ljubljana?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $546). Flying from Ontario to Ljubljana in June is currently the most expensive (average of $1,319). 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?

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Kranjska Gora

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