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$508+ Cheap flights from Ontario (ONT) to Ljubljana (LJU)

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$648
(United)

One-way from

$508
(United)

Popular in

December

Cheapest in

November

Average price

$954
From Ontario to Ljubljana Joze Pucnik
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One-way flight from Ontario to Ljubljana Joze Pucnik
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Highest demand for flights based on searches. 6% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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 stops36h 24mDelta
Deal found 9/9$670
This Turkish Airlines deal was found by Cheapflights users on 9/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:31 pmONT - LJU
2 stops20h 44mMultiple Airlines
Mon 11/39:20 amLJU - ONT
2 stops23h 12mMultiple Airlines
Deal found 9/10$8,398
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:54 pmONT - LJU
2 stops20h 46mBritish Airways
Sat 9/2011:00 amLJU - ONT
2 stops20h 33mBritish Airways
Deal found 9/11$16,663

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 September 11, 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

Sun 3/1

7:00 am-9:40 am

2 stops17h 40m

Ljubljana Joze Pucnik

Sun 3/8

6:35 am-9:45 pm

2 stops24h 10m

$648

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-4:09 pm

2 stops36h 24m

$670

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Fri 10/24

1:31 pm-7:15 pm

2 stops20h 44m

Ljubljana Joze Pucnik

Mon 11/3

9:20 am-11:32 pm

2 stops23h 12m

$8,398

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Fri 1/2

10:42 am-9:50 pm

2 stops26h 08m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, February is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $710). Flying from Ontario to Ljubljana in June is currently the most expensive (average of $1,442). 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 20h 40m. Fly via Delta to get the fastest option. The distance between Ontario and Ljubljana is about 6133 mi.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $710). Flying from Ontario to Ljubljana in June is currently the most expensive (average of $1,442). 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

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