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Ljubljana

$490+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LJU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 pmONT - LJU
2 stops33h 30mDelta
Tue 12/3012:50 pmLJU - ONT
2 stops42h 43mDelta
Deal found 12/12$1,820
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 pmONT - LJU
2 stops33h 30mDelta
Thu 1/112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,022
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:40 amONT - LJU
2 stops20h 00mDelta
Wed 12/3112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,089
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:29 pmONT - LJU
2 stops52h 11mDelta
Wed 12/3112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,114
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:29 pmONT - LJU
2 stops37h 11mDelta
Wed 12/3112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,174
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 pmONT - LJU
2 stops33h 30mDelta
Mon 1/512:25 pmLJU - ONT
2 stops43h 13mDelta
Deal found 12/12$2,274
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:05 amONT - LJU
2 stops19h 35mDelta
Thu 1/112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,291
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:05 amONT - LJU
2 stops19h 35mDelta
Wed 12/3112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,295
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:29 pmONT - LJU
2 stops52h 11mDelta
Thu 1/112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,316
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:29 pmONT - LJU
2 stops52h 51mDelta
Wed 12/3112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,325
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 pmONT - LJU
2 stops33h 30mDelta
Sun 1/412:25 pmLJU - ONT
2 stops56h 06mDelta
Deal found 12/12$2,373
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:49 pmONT - LJU
2 stops33h 51mDelta
Thu 1/112:50 pmLJU - ONT
2 stops30h 10mDelta
Deal found 12/12$2,376

Find 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 December 15, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,216
(British Airways)

One-way from

$490
(Delta)

Popular in

June

Cheapest in

November

Average price

$838
Provider with most accurate pricing for Ontario-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Ljubljana Joze Pucnik flights.
Search Deals
From Ontario to Ljubljana Joze Pucnik
Search Deals
One-way flight from Ontario to Ljubljana Joze Pucnik
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Sat 5/16

5:02 pm-8:40 pm

2 stops18h 38m

Ljubljana Joze Pucnik

Mon 5/25

3:10 pm-8:02 pm

2 stops37h 52m

$1,216

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 6/1

11:25 pm-9:00 am

2 stops24h 35m

Ljubljana Joze Pucnik

Sun 7/12

8:45 pm-10:09 pm

2 stops34h 24m

$1,308

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 6/1

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Tue 7/14

8:45 pm-10:09 pm

2 stops34h 24m

$1,308

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 5/31

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Sun 7/12

9:50 am-10:09 pm

2 stops45h 19m

$1,361

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 6/1

11:25 pm-9:00 am

2 stops24h 35m

Ljubljana Joze Pucnik

Mon 7/13

9:50 am-10:09 pm

2 stops45h 19m

$1,370

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Tue 6/2

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Tue 7/14

8:45 pm-10:09 pm

2 stops34h 24m

$1,423

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 5/31

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Tue 7/14

8:45 pm-10:09 pm

2 stops34h 24m

$1,423

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Tue 6/2

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Mon 7/13

9:50 am-10:09 pm

2 stops45h 19m

$1,423

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 5/31

11:25 pm-8:05 pm

2 stops35h 40m

Ljubljana Joze Pucnik

Mon 7/13

9:50 am-10:09 pm

2 stops45h 19m

$1,423

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Fri 12/26

10:44 am-8:25 am

2 stops36h 41m

Ljubljana Joze Pucnik

Thu 1/1

9:20 am-12:14 am

2 stops23h 54m

$2,561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 20 results
1
2
  • 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, February is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $533). 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 18h 38m. Fly via British Airways or Air Serbia 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, February is the cheapest month in which you can book a flight from Ontario to Ljubljana (average of $533). 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?

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

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