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Cheap flights from Ontario to Slovenia from C$ 631

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LJU
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Slovenia

Enter your travel dates to find the best prices.

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 2 January 2026.

Wed 22/45:00 p.m.YUL - LJU
1 stop14h 50mDelta
Sun 26/42:00 p.m.LJU - YUL
1 stop32h 55mDelta
Deal found 1/1C$ 922
Wed 28/19:35 p.m.YYZ - LJU
1 stop30h 45mMultiple Airlines
Wed 4/28:55 p.m.LJU - YYZ
1 stop24h 05mMultiple Airlines
Deal found 31/12C$ 935
Fri 22/54:40 p.m.YUL - LJU
1 stop10h 45mSWISS
Sun 31/56:25 a.m.LJU - YUL
1 stop14h 35mSWISS
Deal found 1/1C$ 954
Wed 28/111:00 p.m.YYZ - LJU
2 stops14h 30mLufthansa
Wed 4/210:00 a.m.LJU - YYZ
2 stops17h 44mLufthansa
Deal found 31/12C$ 1,009
Thu 14/511:30 p.m.YYZ - LJU
1 stop32h 20mAir France
Wed 29/72:35 p.m.LJU - YYZ
1 stop12h 25mAir France
Deal found 1/1C$ 1,216
Tue 19/56:50 p.m.YUL - LJU
1 stop12h 35mDelta
Wed 27/56:00 a.m.LJU - YUL
1 stop16h 55mDelta
Deal found 1/1C$ 930
Sun 3/58:40 p.m.YUL - LJU
1 stop16h 45mMultiple Airlines
Sun 17/52:50 p.m.LJU - YUL
1 stop30h 10mMultiple Airlines
Deal found 31/12C$ 939
Fri 22/54:40 p.m.YUL - LJU
1 stop10h 45mSWISS
Fri 29/56:25 a.m.LJU - YUL
1 stop14h 35mSWISS
Deal found 1/1C$ 954
Thu 29/17:45 p.m.YYZ - LJU
1 stop17h 45mLufthansa
Thu 5/210:30 a.m.LJU - YYZ
1 stop11h 45mLufthansa
Deal found 1/1C$ 1,016
Thu 21/54:40 p.m.YUL - LJU
1 stop15h 15mSWISS
Sun 31/56:25 a.m.LJU - YUL
1 stop14h 35mSWISS
Deal found 1/1C$ 954
Tue 3/29:35 p.m.YYZ - LJU
1 stop16h 45mMultiple Airlines
Thu 19/210:25 a.m.LJU - YYZ
1 stop34h 35mMultiple Airlines
Deal found 30/12C$ 977
Thu 21/54:40 p.m.YUL - LJU
1 stop15h 15mSWISS
Fri 29/56:25 a.m.LJU - YUL
1 stop14h 35mSWISS
Deal found 1/1C$ 954
Thu 29/18:25 p.m.YYZ - LJU
1 stop11h 10mMultiple Airlines
Thu 5/21:20 p.m.LJU - YYZ
2 stops16h 14mMultiple Airlines
Deal found 1/1C$ 1,018
Fri 15/54:40 p.m.YYZ - LJU
1 stop11h 00mLufthansa
Sat 23/58:00 p.m.LJU - YYZ
2 stops31h 58mLufthansa
Deal found 30/12C$ 1,198
Tue 3/212:30 p.m.YTZ - LJU
2 stops19h 35mSWISS
Thu 19/26:30 a.m.LJU - YTZ
2 stops17h 25mSWISS
Deal found 30/12C$ 999
Wed 11/38:45 p.m.YYZ - LJU
1 stop10h 55mMultiple Airlines
Wed 25/36:30 a.m.LJU - YYZ
2 stops32h 09mMultiple Airlines
Deal found 31/12C$ 1,059
Wed 28/112:30 p.m.YTZ - LJU
2 stops27h 45mSWISS
Wed 4/22:55 p.m.LJU - YTZ
2 stops33h 00mSWISS
Deal found 31/12C$ 999
Tue 3/25:00 p.m.YYZ - LJU
2 stops47h 15mSWISS
Thu 19/26:30 a.m.LJU - YYZ
1 stop15h 55mSWISS
Deal found 30/12C$ 1,003
Fri 15/56:30 p.m.YYZ - LJU
2 stops13h 20mMultiple Airlines
Sat 23/58:00 p.m.LJU - YYZ
2 stops49h 38mMultiple Airlines
Deal found 30/12C$ 1,204
Thu 29/112:30 p.m.YTZ - LJU
2 stops19h 05mSWISS
Thu 5/22:25 p.m.LJU - YTZ
2 stops33h 30mSWISS
Deal found 1/1C$ 1,048
Fri 15/59:30 a.m.YTZ - LJU
2 stops17h 55mMultiple Airlines
Sat 23/56:25 a.m.LJU - YTZ
2 stops19h 44mMultiple Airlines
Deal found 30/12C$ 1,630
Thu 14/512:30 p.m.YTZ - LJU
2 stops14h 45mMultiple Airlines
Wed 29/76:25 a.m.LJU - YTZ
2 stops15h 26mMultiple Airlines
Deal found 1/1C$ 1,736

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 2 January 2026.

Round-trip from

C$ 924

One-way from

C$ 631

Popular in

December

Cheapest in

November

Average price

C$ 1,493
Delta
  • Delta
  • 22/4-26/4
  • 2 total stops
  • 47h 45m total
  • Ontario to Slovenia
Search Deals
21/6
  • 21/6
  • 3 total stops
  • 30h 55m total
  • Ontario to Slovenia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 2 January 2026.
Use the filters below to find and compare flights from Ontario to Slovenia that are best for you.

Fly from

Ontario

Fly to

Slovenia

Route

Depart

Return

Price

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

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

1 stop14h 50m

Ljubljana Joze Pucnik

Sun 26/4

2:00 p.m.-4:55 p.m.

1 stop32h 55m

C$ 922

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

1 stop12h 35m

Ljubljana Joze Pucnik

Wed 27/5

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

1 stop16h 55m

C$ 930

TorontoLjubljana

YYZ - LJU

YYZLJU

Toronto Pearson Intl

Wed 28/1

9:35 p.m.-10:20 a.m.

1 stop30h 45m

Ljubljana Joze Pucnik

Wed 4/2

8:55 p.m.-3:00 p.m.

1 stop24h 05m

C$ 935

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:40 p.m.-7:25 p.m.

1 stop16h 45m

Ljubljana Joze Pucnik

Sun 17/5

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

1 stop30h 10m

C$ 939

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

4:40 p.m.-9:25 a.m.

1 stop10h 45m

Ljubljana Joze Pucnik

Sun 31/5

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

1 stop14h 35m

C$ 954

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

4:40 p.m.-9:25 a.m.

1 stop10h 45m

Ljubljana Joze Pucnik

Fri 29/5

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

1 stop14h 35m

C$ 954

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

4:40 p.m.-1:55 p.m.

1 stop15h 15m

Ljubljana Joze Pucnik

Sun 31/5

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

1 stop14h 35m

C$ 954

MontrealLjubljana

YUL - LJU

YULLJU

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

4:40 p.m.-1:55 p.m.

1 stop15h 15m

Ljubljana Joze Pucnik

Fri 29/5

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

1 stop14h 35m

C$ 954

TorontoLjubljana

YYZ - LJU

YYZLJU

Toronto Pearson Intl

Tue 3/2

9:35 p.m.-8:20 p.m.

1 stop16h 45m

Ljubljana Joze Pucnik

Thu 19/2

10:25 a.m.-3:00 p.m.

1 stop34h 35m

C$ 977

TorontoLjubljana

YTZ - LJU

YTZLJU

Toronto Island

Tue 3/2

12:30 p.m.-2:05 p.m.

2 stops19h 35m

Ljubljana Joze Pucnik

Thu 19/2

6:30 a.m.-5:55 p.m.

2 stops17h 25m

C$ 999

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/12

Showing 1-10 of 29 results
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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$ 913). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,558). 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, SWISS, and Lufthansa can get you from Region of Ontario to Slovenia in just under 14h 30m. Your travel time can differ by up to 5h 05m. The distance from Region of Ontario to Slovenia is about 6935 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$ 913). Flying from Region of Ontario to Slovenia in December is currently the most expensive (average of C$ 1,558). 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.
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Pierre Elliott Trudeau Intl to London City flights
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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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapestC$ 947AverageC$ 1,071FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LOTCheapestC$ 959AverageC$ 1,119FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapestC$ 1,001AverageC$ 1,272FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapestC$ 1,118AverageC$ 1,427FlexibilityNo 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.

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