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Cheap flights from Ontario to Slovenia from C$ 454

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LJU
18 May — 25 May1
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 April 2026.

Mon 18/54:40 p.m.
YUL
-
LJU
1 stop11h 25m
SWISS
Thu 28/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
SWISS
Deal found 13/4C$ 1,004
Sun 26/44:40 p.m.
YUL
-
LJU
1 stop11h 25m
SWISS
Sun 3/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
SWISS
Deal found 14/4C$ 1,012
Tue 28/48:40 p.m.
YUL
-
LJU
1 stop10h 00m
Multiple Airlines
Wed 6/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
Multiple Airlines
Deal found 13/4C$ 1,015
Mon 18/54:40 p.m.
YUL
-
LJU
1 stop11h 25m
SWISS
Fri 29/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
SWISS
Deal found 13/4C$ 1,019
Mon 27/45:00 p.m.
YUL
-
LJU
1 stop14h 50m
Air France
Thu 7/52:00 p.m.
LJU
-
YUL
1 stop32h 55m
Air France
Deal found 13/4C$ 1,022
Mon 18/511:00 p.m.
YUL
-
LJU
1 stop14h 35m
Multiple Airlines
Thu 28/57:40 p.m.
LJU
-
YUL
2 stops31h 20m
Multiple Airlines
Deal found 13/4C$ 1,023
Sat 25/46:50 p.m.
YUL
-
LJU
1 stop22h 00m
KLM
Sat 2/56:00 a.m.
LJU
-
YUL
1 stop16h 55m
KLM
Deal found 14/4C$ 1,030
Mon 4/54:40 p.m.
YUL
-
LJU
1 stop11h 25m
SWISS
Mon 11/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
SWISS
Deal found 14/4C$ 1,032
Sun 7/66:50 p.m.
YUL
-
LJU
1 stop22h 05m
Delta
Thu 11/66:00 a.m.
LJU
-
YUL
1 stop16h 55m
Delta
Deal found 14/4C$ 1,034
Mon 27/48:40 p.m.
YUL
-
LJU
1 stop16h 45m
Multiple Airlines
Wed 6/56:25 a.m.
LJU
-
YUL
1 stop14h 35m
Multiple Airlines
Deal found 13/4C$ 1,036
Tue 19/58:40 p.m.
YUL
-
LJU
1 stop16h 45m
Multiple Airlines
Tue 2/62:50 p.m.
LJU
-
YUL
1 stop30h 10m
Multiple Airlines
Deal found 14/4C$ 1,037
Sun 17/57:15 p.m.
YYZ
-
LJU
3 stops42h 50m
Multiple Airlines
Sun 24/58:20 p.m.
LJU
-
YYZ
2 stops23h 00m
Multiple Airlines
Deal found 15/4C$ 1,078

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 April 2026.

Round-trip from

C$ 1,004

One-way from

C$ 454

Popular in

December

Cheapest in

March

Average price

C$ 1,313
SWISS
  • SWISS
  • 18/5-28/5
  • 2 total stops
  • 26h 00m total
  • Ontario to Slovenia
Search Deals
9/6
  • 9/6
  • 3 total stops
  • 33h 15m total
  • Ontario to Slovenia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 82 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 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 - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:00 p.m.-1:50 p.m.

1 stop12h 50m

Ljubljana Joze Pucnik

Thu 11/6

6:00 a.m.-4:55 p.m.

1 stop16h 55m

C$ 1,023

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:50 p.m.-10:55 p.m.

1 stop22h 05m

Ljubljana Joze Pucnik

Mon 22/6

2:35 p.m.-8:05 p.m.

1 stop11h 30m

C$ 1,075

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

5:00 p.m.-1:50 p.m.

1 stop14h 50m

Ljubljana Joze Pucnik

Tue 16/6

6:00 a.m.-4:55 p.m.

1 stop16h 55m

C$ 1,077

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

8:20 p.m.-10:50 p.m.

2 stops20h 30m

Ljubljana Joze Pucnik

Sun 10/5

6:25 a.m.-7:21 p.m.

2 stops18h 56m

C$ 1,108

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

4:40 p.m.-10:05 a.m.

1 stop11h 25m

Ljubljana Joze Pucnik

Sat 6/6

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

1 stop30h 10m

C$ 1,114

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

8:40 p.m.-10:50 p.m.

2 stops20h 10m

Ljubljana Joze Pucnik

Thu 15/10

6:25 a.m.-7:21 p.m.

2 stops18h 56m

C$ 1,203

TorontoLjubljana

YTZ - LJU

YTZLJU

Toronto Island

Tue 28/4

12:30 p.m.-10:05 a.m.

2 stops15h 35m

Ljubljana Joze Pucnik

Sun 10/5

6:25 a.m.-5:52 p.m.

2 stops17h 27m

C$ 1,246

TorontoLjubljana

YYZ - LJU

YYZLJU

Toronto Pearson Intl

Tue 28/4

8:25 p.m.-1:55 p.m.

1 stop11h 30m

Ljubljana Joze Pucnik

Sun 10/5

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

1 stop12h 25m

C$ 1,249

TorontoLjubljana

YYZ - LJU

YYZLJU

Toronto Pearson Intl

Sun 14/6

7:55 p.m.-9:55 p.m.

1 stop20h 00m

Ljubljana Joze Pucnik

Sun 21/6

6:05 a.m.-5:55 p.m.

1 stop17h 50m

C$ 1,253

TorontoLjubljana

YYZ - LJU

YYZLJU

Toronto Pearson Intl

Thu 7/5

10:20 p.m.-4:20 p.m.

1 stop12h 00m

Ljubljana Joze Pucnik

Thu 14/5

1:30 p.m.-8:20 p.m.

1 stop12h 50m

C$ 1,289

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 48 resultsSorted by cheapest first
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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.
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, November is the cheapest month in which you can book a flight from Region of Ontario to Slovenia (average of C$ 892). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,553). 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, KLM, and SWISS can get you from Region of Ontario to Slovenia in just under 12h 50m. Your travel time can differ by up to 9h 15m. 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, November is the cheapest month in which you can book a flight from Region of Ontario to Slovenia (average of C$ 892). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,553). 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

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Alternative routes for Ontario to Slovenia

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

Top 5 airlines flying from Ontario to Slovenia

Discover the top 5 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 944AverageC$ 1,167FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapestC$ 976AverageC$ 1,444FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapestC$ 981AverageC$ 1,220FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapestC$ 1,114AverageC$ 1,282FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapestC$ 1,209AverageC$ 1,359FlexibilityNo cancel feeOn-time77%
Search Air France 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.

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