How long is the flight from Region of Ontario to Slovenia?

SWISS, Delta, and United Airlines can get you from Region of Ontario to Slovenia in just under 16h. Your travel time can differ by up to 4h 20m. The distance from Region of Ontario to Slovenia is about 6925 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Slovenia ranges from 40.0 - 70.0 mm per month. October is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Slovenia when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Slovenia, 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 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What is the cheapest time of day to fly from ON to SI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Slovenia as you normally would.

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

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

How can I find direct flights from Ontario to Slovenia?

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

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

Yes. Cheapflights offers flight deals from Ontario to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 492+ Cheap Flights from Ontario to Slovenia

Cheap flight deals from Ontario to Slovenia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ontario to Slovenia
Explore the most affordable flight options available from Ontario to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Mon 9/1112:30 p.m. -

2 stops19h 45m

Mon 16/116:15 a.m. -

2 stops21h 21m

Deal found 10/10C$ 1,133

Mon 26/109:25 p.m. -

1 stop20h 20m

Tue 10/116:15 a.m. -

1 stop15h 40m

Deal found 13/10C$ 1,134

Mon 12/108:20 p.m. -

1 stop17h 05m

Tue 20/106:25 a.m. -

1 stop12h 25m

Deal found 9/10C$ 1,144

Sun 8/118:25 p.m. -

1 stop20h 20m

Sun 15/116:40 a.m. -

1 stop15h 35m

Deal found 11/10C$ 1,158

Fri 4/127:50 p.m. -

3 stops31h 10m

Sun 20/129:30 a.m. -

2 stops35h 15m

Deal found 11/10C$ 1,170

Sat 7/1110:00 a.m. -

2 stops18h 05m

Sat 14/116:15 a.m. -

1 stop16h 00m

Deal found 10/10C$ 1,173

Mon 26/107:15 p.m. -

1 stop21h 05m

Tue 10/116:15 a.m. -

1 stop15h 40m

Deal found 11/10C$ 1,174

Mon 26/103:20 p.m. -

2 stops13h 45m

Tue 10/116:40 a.m. -

2 stops18h 17m

Deal found 12/10C$ 1,284

Fri 27/1110:50 a.m. -

2 stops17h 15m

Mon 14/126:15 a.m. -

2 stops22h 17m

Deal found 13/10C$ 1,287

Sat 7/1112:05 p.m. -

2 stops16h 00m

Sat 14/116:40 a.m. -

2 stops18h 17m

Deal found 10/10C$ 1,288

Fri 4/1210:45 a.m. -

2 stops17h 20m

Sun 20/123:15 p.m. -

2 stops32h 36m

Deal found 8/10C$ 1,300

Mon 26/1012:30 p.m. -

2 stops20h 45m

Tue 10/113:15 p.m. -

2 stops32h 36m

Deal found 11/10C$ 1,321

Best flights from Ontario to Slovenia
Discover carefully curated flight deals from Ontario to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Mon 26/109:25 p.m. -

1 stop20h 20m

Tue 10/116:15 a.m. -

1 stop15h 40m

Deal found 12/10C$ 1,136

Sun 8/118:15 p.m. -

2 stops30h 45m

Sun 15/118:45 p.m. -

2 stops23h 20m

Deal found 11/10C$ 1,161

Thu 7/112:15 p.m. -

2 stops17h 25m

Thu 28/112:50 p.m. -

1 stop12h 25m

Deal found 12/10C$ 1,203

Sun 18/106:05 p.m. -

1 stop13h 45m

Thu 29/1012:25 p.m. -

2 stops15h 31m

Deal found 9/10C$ 1,208

Sun 18/107:30 a.m. -

2 stops23h 05m

Thu 22/1010:25 a.m. -

2 stops29h 29m

Deal found 12/10C$ 1,240

Mon 9/119:25 p.m. -

1 stop17h 55m

Mon 16/1110:45 a.m. -

1 stop15h 00m

Deal found 10/10C$ 1,196

Fri 8/16:30 p.m. -

2 stops37h 45m

Wed 27/13:15 p.m. -

2 stops32h 41m

Deal found 12/10C$ 1,213

Sun 18/106:05 p.m. -

1 stop13h 45m

Thu 22/106:00 a.m. -

2 stops32h 49m

Deal found 8/10C$ 1,227

Sat 7/1112:05 p.m. -

2 stops16h 00m

Sat 14/116:40 a.m. -

2 stops18h 17m

Deal found 10/10C$ 1,288

Fri 4/126:15 p.m. -

1 stop21h 05m

Sun 20/123:15 p.m. -

2 stops22h 35m

Deal found 11/10C$ 1,218

Fri 8/16:00 a.m. -

2 stops23h 40m

Tue 26/112:50 p.m. -

1 stop32h 50m

Deal found 12/10C$ 1,234

Mon 26/1012:30 p.m. -

2 stops20h 45m

Tue 10/113:15 p.m. -

2 stops32h 36m

Deal found 11/10C$ 1,321

Fri 27/1110:50 a.m. -

2 stops17h 15m

Mon 14/126:15 a.m. -

2 stops22h 17m

Deal found 13/10C$ 1,287

Fri 4/1212:30 p.m. -

2 stops19h 45m

Sun 20/123:15 p.m. -

2 stops34h 41m

Deal found 9/10C$ 1,324

Fri 4/1210:45 a.m. -

2 stops17h 20m

Sun 20/123:15 p.m. -

2 stops32h 36m

Deal found 8/10C$ 1,300

Fri 27/114:10 p.m. -

2 stops24h 35m

Mon 14/126:15 a.m. -

3 stops22h 17m

Deal found 13/10C$ 1,448

Mon 26/108:30 p.m. -

2 stops32h 35m

Tue 10/116:15 a.m. -

2 stops17h 36m

Deal found 13/10C$ 1,382

Sun 18/106:30 p.m. -

2 stops12h 05m

Thu 29/106:40 a.m. -

2 stops14h 16m

Deal found 10/10C$ 1,736

Mon 9/115:30 a.m. -

2 stops24h 50m

Mon 23/1112:55 p.m. -

2 stops40h 45m

Deal found 8/10C$ 2,846

Sun 15/114:46 p.m. -

2 stops35h 19m

Thu 3/1210:45 a.m. -

2 stops17h 11m

Deal found 8/10C$ 6,075

Mon 16/119:45 a.m. -

2 stops18h 20m

Wed 2/1210:45 a.m. -

2 stops17h 11m

Deal found 8/10C$ 6,075

Thu 19/119:45 a.m. -

2 stops18h 20m

Thu 3/126:40 a.m. -

2 stops20h 36m

Deal found 8/10C$ 6,075

Sun 8/112:55 p.m. -

3 stops17h 20m

Mon 23/113:15 p.m. -

3 stops33h 30m

Deal found 8/10C$ 6,162

Sat 14/112:00 p.m. -

2 stops14h 05m

Wed 2/1210:45 a.m. -

2 stops17h 11m

Deal found 8/10C$ 6,200

Wed 11/1110:30 a.m. -

2 stops17h 35m

Mon 23/116:40 a.m. -

3 stops20h 36m

Deal found 8/10C$ 6,431

Thu 19/116:15 a.m. -

2 stops21h 50m

Sun 29/1110:45 a.m. -

2 stops40h 31m

Deal found 8/10C$ 6,471

Mon 16/112:00 p.m. -

2 stops14h 05m

Fri 27/116:40 a.m. -

2 stops18h 47m

Deal found 8/10C$ 6,551

Sun 8/112:00 p.m. -

2 stops14h 05m

Mon 23/116:40 a.m. -

3 stops20h 36m

Deal found 8/10C$ 9,296

Find flight deals from Ontario to Slovenia

Round-trip from	C$ 1,133
One-way from	C$ 492
Popular in	December
Cheapest in	March
Average price	C$ 1,420

9/11-16/11
4 total stops
41h 06m total
Ontario to Slovenia

Search Deals

15/11-31/12
3 total stops
33h 40m total
Ontario to Slovenia

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 253 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 77 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLjubljana

YTZ Toronto Island - LJU Ljubljana Joze Pucnik

YTZLJU

Toronto Island

Sun 15/11

5:50 p.m.-9:30 a.m.

3 stops33h 40m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 492

TorontoLjubljana

YTZ Toronto Island - LJU Ljubljana Joze Pucnik

YTZLJU

Toronto Island

Wed 25/11

11:40 a.m.-9:00 a.m.

3 stops39h 20m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 529

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Fri 13/11

9:35 p.m.-10:10 a.m.

1 stop30h 35m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 548

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Tue 3/11

6:15 a.m.-10:10 a.m.

2 stops21h 55m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 554

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Wed 25/11

9:35 p.m.-10:15 a.m.

1 stop30h 40m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 558

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Fri 6/11

9:35 p.m.-5:10 p.m.

2 stops37h 35m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 564

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Tue 10/11

5:30 p.m.-9:20 p.m.

2 stops21h 50m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 588

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Mon 16/11

9:35 p.m.-11:30 a.m.

1 stop31h 55m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 592

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Wed 11/11

2:50 p.m.-5:05 p.m.

3 stops20h 15m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 609

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Sun 1/11

10:45 p.m.-9:20 p.m.

2 stops40h 35m

Ljubljana Joze Pucnik

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 635

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 46 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Ontario with our price prediction graph.

YTZ-LJU

YYZ-LJU

YOW-LJU

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 Slovenia

CAON-SI0

YTZ-LJU

YYZ-LJU

YOW-LJU

What is the cheapest month to book a flight from Region of Ontario to Slovenia?

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Slovenia (average of C$ 1,069). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,822). 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

How long is the flight from Region of Ontario to Slovenia?
SWISS, Delta, and United Airlines can get you from Region of Ontario to Slovenia in just under 16h. Your travel time can differ by up to 4h 20m. The distance from Region of Ontario to Slovenia is about 6925 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Ontario to Slovenia that include hotel bookings?
Yes. In addition to deals on Ontario to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Slovenia.
Can I find deals for business class flights from Ontario to Slovenia?
Yes. Cheapflights offers flight deals from Ontario to Slovenia 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 Region of Ontario to Slovenia?
Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Slovenia (average of C$ 1,069). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,822). 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

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Top 3 airlines flying from Ontario to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
LOT	CheapestC$ 1,023	AverageC$ 1,294	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Lufthansa	CheapestC$ 1,066	AverageC$ 1,612	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	CheapestC$ 1,085	AverageC$ 1,272	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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Can Cheapflights find flights from Ontario to Slovenia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Slovenia, users can toggle the no change fees filter when performing a flight search.

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Cheap flights from Ontario to Slovenia from C$ 492

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Slovenia

Cheapest flights from Ontario to SloveniaExplore the most affordable flight options available from Ontario to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Explore the most affordable flight options available from Ontario to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Ontario to SloveniaDiscover carefully curated flight deals from Ontario to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Discover carefully curated flight deals from Ontario to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Last-minute flights from Ontario to SloveniaDiscover last-minute flight deals from Ontario to Slovenia. Data last updated 13 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Slovenia. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Ontario to SloveniaSearch for one-way flight options from Ontario to Slovenia. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Search for one-way flight options from Ontario to Slovenia. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Find flight deals from Ontario to Slovenia

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Best time to book a flight from Ontario to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Ontario with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Region of Ontario to Slovenia?

Related info for your journey

How long is the flight from Region of Ontario to Slovenia?

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

How can I find direct flights from Ontario to Slovenia?

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

What is the cheapest month to book a flight from Region of Ontario to Slovenia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Slovenia

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Complete your trip

Complete your trip to Slovenia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

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Ontario and Slovenia flights

Browse other Ontario and Slovenia flight options. Last updated on 13 October 2026.

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Cheapest flights from Ontario to Slovenia
Explore the most affordable flight options available from Ontario to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Ontario to Slovenia
Discover carefully curated flight deals from Ontario to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Last-minute flights from Ontario to Slovenia
Discover last-minute flight deals from Ontario to Slovenia. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Ontario to Slovenia
Search for one-way flight options from Ontario to Slovenia. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.