Find flights
When to book
FAQs

Cheap flights from Ontario to Slovenia from C$ 377

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LJU
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Slovenia

Enter your travel dates to find the best prices.

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 18 August 2026.

Thu 15/107:00 p.m. -
2 stops23h 30m
Thu 22/101:30 p.m. -
2 stops27h 45m
Deal found 18/8C$ 977
Mon 12/1011:00 p.m. -
1 stop14h 35m
Fri 30/108:40 p.m. -
2 stops29h 00m
Deal found 17/8C$ 1,005
Wed 14/106:50 p.m. -
1 stop12h 35m
Wed 28/1012:25 p.m. -
1 stop29h 50m
Deal found 13/8C$ 1,023
Wed 14/104:40 p.m. -
1 stop15h 20m
Wed 28/106:15 a.m. -
1 stop14h 55m
Deal found 14/8C$ 1,034
Fri 23/1010:15 p.m. -
1 stop12h 40m
Sun 1/118:45 p.m. -
3 stops33h 20m
Deal found 17/8C$ 1,034
Mon 28/98:40 p.m. -
1 stop16h 45m
Sun 4/106:25 a.m. -
1 stop14h 35m
Deal found 15/8C$ 1,037
Sat 7/116:30 p.m. -
1 stop11h 10m
Thu 12/1112:55 p.m. -
1 stop12h 20m
Deal found 13/8C$ 1,038
Thu 8/108:40 p.m. -
1 stop16h 45m
Fri 16/106:25 a.m. -
1 stop14h 35m
Deal found 14/8C$ 1,040
Fri 18/96:25 p.m. -
1 stop17h 20m
Fri 9/106:25 a.m. -
1 stop14h 35m
Deal found 13/8C$ 1,045
Sun 8/117:05 p.m. -
1 stop10h 35m
Thu 12/1112:25 p.m. -
1 stop29h 50m
Deal found 13/8C$ 1,047
Mon 24/811:00 p.m. -
1 stop14h 35m
Tue 15/98:20 p.m. -
1 stop30h 40m
Deal found 17/8C$ 1,054
Thu 1/107:55 p.m. -
3 stops30h 55m
Thu 8/101:30 p.m. -
3 stops34h 25m
Deal found 17/8C$ 1,066

Find flight deals from Ontario to Slovenia

Keep the following information in mind while searching for Ontario to Slovenia flight deals. Data was last updated 18 August 2026.

Round-trip from

C$ 1,005

One-way from

C$ 377

Popular in

December

Cheapest in

March

Average price

C$ 1,400
12/10-30/10
  • 12/10-30/10
  • 3 total stops
  • 43h 35m total
  • Ontario to Slovenia
Search Deals
3/10
  • 3/10
  • 2 total stops
  • 29h 40m total
  • Ontario to Slovenia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 264 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Slovenia 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 629,999 searches. Data last updated 18 August 2026.
Use the filters below to find and compare flights from Ontario to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLjubljana

YUL Montreal Pierre Elliott Trudeau Intl - LJU Ljubljana Joze Pucnik

YULLJU

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

6:50 p.m.-1:25 p.m.

1 stop12h 35m

Ljubljana Joze Pucnik

Wed 28/10

12:25 p.m.-1:15 p.m.

1 stop29h 50m

C$ 1,023

MontrealLjubljana

YUL Montreal Pierre Elliott Trudeau Intl - LJU Ljubljana Joze Pucnik

YULLJU

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

6:25 p.m.-5:45 p.m.

1 stop17h 20m

Ljubljana Joze Pucnik

Fri 9/10

6:25 a.m.-3:00 p.m.

1 stop14h 35m

C$ 1,045

MontrealLjubljana

YUL Montreal Pierre Elliott Trudeau Intl - LJU Ljubljana Joze Pucnik

YULLJU

Montreal Pierre Elliott Trudeau Intl

Sun 8/11

7:05 p.m.-11:40 a.m.

1 stop10h 35m

Ljubljana Joze Pucnik

Thu 12/11

12:25 p.m.-12:15 p.m.

1 stop29h 50m

C$ 1,047
Quickest round-trip

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Sun 18/10

6:05 p.m.-1:50 p.m.

1 stop13h 45m

Ljubljana Joze Pucnik

Thu 22/10

6:00 a.m.-1:20 p.m.

1 stop13h 20m

C$ 1,068

MontrealLjubljana

YUL Montreal Pierre Elliott Trudeau Intl - LJU Ljubljana Joze Pucnik

YULLJU

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

8:45 p.m.-10:40 p.m.

2 stops19h 55m

Ljubljana Joze Pucnik

Tue 6/10

2:50 p.m.-3:00 p.m.

1 stop30h 10m

C$ 1,069

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Mon 12/10

9:55 p.m.-10:55 p.m.

1 stop19h 00m

Ljubljana Joze Pucnik

Tue 20/10

2:00 p.m.-7:55 p.m.

1 stop11h 55m

C$ 1,074

TorontoLjubljana

YTZ Toronto Island - LJU Ljubljana Joze Pucnik

YTZLJU

Toronto Island

Mon 12/10

12:30 p.m.-2:00 p.m.

2 stops19h 30m

Ljubljana Joze Pucnik

Tue 20/10

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

2 stops33h 00m

C$ 1,086

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Sun 20/9

8:05 p.m.-10:40 p.m.

1 stop20h 35m

Ljubljana Joze Pucnik

Mon 5/10

2:50 p.m.-4:10 p.m.

1 stop31h 20m

C$ 1,087

TorontoLjubljana

YYZ Toronto Pearson Intl - LJU Ljubljana Joze Pucnik

YYZLJU

Toronto Pearson Intl

Mon 12/10

10:30 a.m.-10:05 a.m.

2 stops17h 35m

Ljubljana Joze Pucnik

Tue 20/10

6:25 a.m.-12:50 p.m.

1 stop12h 25m

C$ 1,088

MontrealLjubljana

YUL Montreal Pierre Elliott Trudeau Intl - LJU Ljubljana Joze Pucnik

YULLJU

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

10:00 p.m.-10:05 a.m.

2 stops30h 05m

Ljubljana Joze Pucnik

Sat 3/10

6:25 a.m.-2:55 p.m.

2 stops38h 30m

C$ 1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/8

Showing 1-10 of 46 resultsSorted by cheapest first
1
2
3
...
5

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.
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

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$ 1,038). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,901). 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 Slovenia. 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 Region of Ontario to Slovenia?

    Delta and SWISS can get you from Region of Ontario to Slovenia in just under 12h 35m. Your travel time can differ by up to 6h 55m. The distance from Region of Ontario to Slovenia is about 6445 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$ 1,038). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,901). 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.

Alternative routes for Ontario to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Heathrow flights
Vancouver Intl to Heathrow flights
Pearson Intl to Istanbul flights
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pearson Intl to Gatwick flights
Pearson Intl to Charles de Gaulle flights
Pearson Intl to Leonardo da Vinci/Fiumicino flights
Vancouver Intl to Frankfurt flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Vancouver Intl to Gatwick flights
Pearson Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pearson Intl to London City flights
Vancouver Intl to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Orly flights
Pearson Intl to Stansted flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pierre Elliott Trudeau Intl to Athens flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pearson Intl to Athens flights
Vancouver Intl to London City flights
Toronto Island to Heathrow flights
Vancouver Intl to Istanbul flights
Vancouver Intl to Stansted flights
Pearson Intl to Frederic Chopin flights
Pearson Intl to Orly flights
Calgary to Heathrow flights
Pearson Intl to Dublin flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pearson Intl to Luton flights
Vancouver Intl to Amsterdam flights
Pearson Intl to Madrid flights
Pearson Intl to Barcelona-El Prat flights
Pearson Intl to Sabiha Gokcen flights
Pearson Intl to Amsterdam flights
Toronto Island to Charles de Gaulle flights
Pearson Intl to Frankfurt flights
Toronto Island to Gatwick flights
Vancouver Intl to Orly flights
Toronto Island to Lisbon flights
Québec City to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Madrid flights
Toronto Island to Istanbul flights
Pierre Elliott Trudeau Intl to Málaga flights
Vancouver Intl to Dublin flights
Pearson Intl to Zurich flights
Abbotsford to Heathrow flights
Toronto Island to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Malpensa flights

Top 4 airlines flying from Ontario to Slovenia

Discover the top 4 airlines that operate flights from Ontario to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 August 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 957AverageC$ 1,263FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LOTCheapestC$ 994AverageC$ 1,237FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapestC$ 1,011AverageC$ 1,565FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapestC$ 1,055AverageC$ 1,245FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Slovenia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Slovenia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Slovenia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Slovenia for you. Better yet — we are completely free to use.

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.

Can Cheapflights notify me if prices for flights from Ontario to Slovenia become cheaper?

Of course! You can now track prices for flights from Ontario to Slovenia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.