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Ljubljana

$866+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LJU
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$866
(Delta)

Popular in

June

Cheapest in

March

Average price

$947
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. 22% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 8/207:00 amONT - LJU
2 stops19h 35mDelta
Sat 8/3012:20 pmLJU - ONT
2 stops19h 21mDelta
Deal found 4/28$866
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:45 pmONT - LJU
2 stops24h 10mAir Serbia
Mon 7/212:55 pmLJU - ONT
2 stops40h 35mAir Serbia
Deal found 4/28$1,412
This United deal was found by Cheapflights users on 4/28. 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.
Mon 7/146:10 amONT - LJU
2 stops22h 10mMultiple Airlines
Mon 7/216:30 amLJU - ONT
3 stops24h 41mMultiple Airlines
Deal found 4/28$1,604
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:00 pmONT - LJU
2 stops17h 15mBritish Airways
Tue 9/235:00 pmLJU - ONT
2 stops33h 40mBritish Airways
Deal found 4/28$1,819
This Air France deal was found by Cheapflights users on 4/28. 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.
Mon 4/2810:15 pmONT - LJU
2 stops28h 20mKLM
Wed 5/712:35 pmLJU - ONT
2 stops20h 07mKLM
Deal found 4/28$2,001
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:00 pmONT - LJU
2 stops35h 15mTurkish Airlines
Tue 9/238:10 pmLJU - ONT
2 stops58h 31mTurkish Airlines
Deal found 4/28$4,997

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 April 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

Wed 8/20

7:00 am-11:35 am

2 stops19h 35m

Ljubljana Joze Pucnik

Sat 8/30

12:20 pm-10:41 pm

2 stops19h 21m

$866

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 7/14

11:45 pm-8:55 am

2 stops24h 10m

Ljubljana Joze Pucnik

Mon 7/21

2:55 pm-10:30 pm

2 stops40h 35m

$1,412

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Mon 7/14

6:10 am-1:20 pm

2 stops22h 10m

Ljubljana Joze Pucnik

Mon 7/21

6:30 am-10:11 pm

3 stops24h 41m

$1,604

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Tue 9/9

3:00 pm-5:15 pm

2 stops17h 15m

Ljubljana Joze Pucnik

Tue 9/23

5:00 pm-5:40 pm

2 stops33h 40m

$1,819

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Wed 9/10

11:00 pm-7:15 pm

2 stops35h 15m

Ljubljana Joze Pucnik

Tue 9/23

8:10 pm-9:41 pm

2 stops58h 31m

$4,997

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sat 5/10

1:20 pm-9:50 pm

2 stops23h 30m

$888

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

  • Most accurate provider: When it comes to deals on Ontario-Ljubljana flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Ljubljana flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $710). Flying from Ontario to Ljubljana in June is currently the most expensive (average of $1,515). 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.

Rainfall in Ljubljana by month

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

In terms of precipitation, rainfall in Ljubljana 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 Ljubljana when rainfall is around 1.6 in.

Temperature in Ljubljana by month

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

If weather is an important factor for your trip to Ljubljana, 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 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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,785 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,829 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Serbia
6.3
Okay
196 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $1,515). 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.

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