HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ljubljana

$513+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LJU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Ljubljana with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,039
(United)

One-way from

$513
(British Airways)

Popular in

June

Cheapest in

November

Average price

$779
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. 23% potential increase in price ($284 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This United deal was found by Cheapflights users on 2/20. 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.
Sat 3/86:00 amONT - LJU
2 stops31h 00mMultiple Airlines
Mon 3/246:30 amLJU - ONT
2 stops21h 40mMultiple Airlines
Deal found 2/20$1,039
This Air Serbia deal was found by Cheapflights users on 2/20. 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.
Sun 8/311:45 pmONT - LJU
2 stops35h 15mAir Serbia
Sun 8/172:55 pmLJU - ONT
2 stops40h 35mAir Serbia
Deal found 2/20$1,363
This British Airways deal was found by Cheapflights users on 2/19. 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.
Fri 4/411:59 pmONT - LJU
2 stops35h 41mBritish Airways
Mon 4/143:10 pmLJU - ONT
2 stops36h 19mBritish Airways
Deal found 2/19$2,051
This KLM deal was found by Cheapflights users on 2/20. 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.
Sat 8/21:00 pmONT - LJU
2 stops15h 35mKLM
Sat 8/1612:20 pmLJU - ONT
2 stops19h 09mKLM
Deal found 2/20$2,113

Find flights from Ontario to Ljubljana within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Ljubljana

Route

Depart

Return

Price

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sat 3/8

6:00 am-10:00 pm

2 stops31h 00m

Ljubljana Joze Pucnik

Mon 3/24

6:30 am-8:10 pm

2 stops21h 40m

$1,039

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 8/3

11:45 pm-8:00 pm

2 stops35h 15m

Ljubljana Joze Pucnik

Sun 8/17

2:55 pm-10:30 pm

2 stops40h 35m

$1,363

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Fri 4/4

11:59 pm-8:40 pm

2 stops35h 41m

Ljubljana Joze Pucnik

Mon 4/14

3:10 pm-6:29 pm

2 stops36h 19m

$2,051

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sat 8/2

1:00 pm-1:35 pm

2 stops15h 35m

Ljubljana Joze Pucnik

Sat 8/16

12:20 pm-10:29 pm

2 stops19h 09m

$2,113

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 3/30

7:00 am-2:15 pm

2 stops22h 15m

$513

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 8/3

7:00 am-11:35 am

2 stops19h 35m

$655

OntarioLjubljana

ONT - LJU

ONTLJU

Ontario

Sun 5/4

10:40 pm-8:55 am

2 stops25h 15m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from Ontario to Ljubljana

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Ljubljana in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Travel insights for flights from Ontario to Ljubljana

Get recent, data-driven insights about flights from Ontario to Ljubljana including ideal travel times, pricing trends, and more.

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 $1,520). 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
194 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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.

  • What are the cheapest airlines to fly from Ontario to Ljubljana one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $513. Users have also found prices from $655 and $676 on Delta and Air Serbia, respectively.

  • 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 $1,520). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.