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Cheap flights from Ontario to Sofia from C$ 434

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ontario to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Sofia
Explore the most affordable flight options available from Ontario to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Sun 23/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Sat 6/129:45 p.m.SOF - YUL
2 stops28h 55mMultiple Airlines
Deal found 29/10C$ 797
Fri 14/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Fri 5/125:00 a.m.SOF - YUL
2 stops21h 40mMultiple Airlines
Deal found 29/10C$ 894
Sun 16/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Fri 5/125:00 a.m.SOF - YUL
2 stops21h 40mMultiple Airlines
Deal found 28/10C$ 940
Fri 5/129:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Tue 16/128:25 p.m.SOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 30/10C$ 951
Sat 15/118:10 p.m.YUL - SOF
1 stop15h 00mMultiple Airlines
Sat 22/117:15 p.m.SOF - YUL
2 stops31h 25mMultiple Airlines
Deal found 30/10C$ 957
Mon 10/114:00 p.m.YYZ - SOF
2 stops14h 15mMultiple Airlines
Sun 23/117:55 a.m.SOF - YYZ
1 stop12h 55mMultiple Airlines
Deal found 30/10C$ 994
Mon 10/113:30 p.m.YTZ - SOF
2 stops14h 45mAir Canada
Sun 23/116:10 a.m.SOF - YTZ
2 stops15h 45mAir Canada
Deal found 30/10C$ 998
Wed 12/118:30 p.m.YYZ - SOF
1 stop11h 45mMultiple Airlines
Sat 6/122:00 p.m.SOF - YYZ
2 stops14h 44mMultiple Airlines
Deal found 30/10C$ 1,003
Sun 16/113:30 p.m.YTZ - SOF
2 stops19h 50mAir Canada
Fri 5/126:10 a.m.SOF - YTZ
2 stops15h 45mAir Canada
Deal found 28/10C$ 1,021
Mon 10/117:45 p.m.YYZ - SOF
1 stop20h 00mLufthansa
Sun 23/116:05 a.m.SOF - YYZ
1 stop15h 45mLufthansa
Deal found 30/10C$ 1,024
Fri 14/116:30 p.m.YYZ - SOF
2 stops16h 50mMultiple Airlines
Fri 28/117:55 a.m.SOF - YYZ
1 stop12h 55mMultiple Airlines
Deal found 30/10C$ 1,042
Wed 5/116:15 p.m.YYZ - SOF
1 stop12h 35mMultiple Airlines
Wed 12/112:00 p.m.SOF - YYZ
2 stops17h 04mMultiple Airlines
Deal found 29/10C$ 1,050

Cheap flight deals from Ontario to Sofia

Keep the following information in mind while searching for Ontario to Sofia flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 740

One-way from

C$ 434

Popular in

December

Cheapest in

February

Average price

C$ 1,237
9/1-17/1
  • 9/1-17/1
  • 2 total stops
  • 45h 15m total
  • Ontario to Sofia
Search Deals
19/11
  • 19/11
  • 2 total stops
  • 54h 05m total
  • Ontario to Sofia
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Sofia 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 30 October 2025.
Use the filters below to find and compare flights from Ontario to Sofia that are best for you.

Fly from

Ontario

Fly to

Sofia

Route

Depart

Return

Price

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

9:40 p.m.-7:00 p.m.

1 stop14h 20m

Sofia

Sat 17/1

7:45 p.m.-7:40 p.m.

1 stop30h 55m

C$ 740

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

9:40 p.m.-8:05 p.m.

1 stop15h 25m

Sofia

Fri 5/12

5:00 a.m.-7:40 p.m.

2 stops21h 40m

C$ 940

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

8:10 p.m.-6:10 p.m.

1 stop15h 00m

Sofia

Sat 22/11

7:45 p.m.-7:40 p.m.

1 stop30h 55m

C$ 964

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

8:40 p.m.-4:20 p.m.

1 stop12h 40m

Sofia

Wed 24/12

9:00 p.m.-6:45 p.m.

1 stop28h 45m

C$ 976

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sat 21/3

7:05 p.m.-1:00 p.m.

1 stop11h 55m

Sofia

Wed 25/3

9:00 p.m.-3:50 p.m.

1 stop24h 50m

C$ 980

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

9:40 p.m.-7:10 p.m.

1 stop14h 30m

Sofia

Mon 15/12

2:25 p.m.-12:15 p.m.

2 stops28h 50m

C$ 996

TorontoSofia

YTZ - SOF

YTZSOF

Toronto Island

Mon 10/11

3:30 p.m.-1:15 p.m.

2 stops14h 45m

Sofia

Sun 23/11

6:10 a.m.-2:55 p.m.

2 stops15h 45m

C$ 998

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 18/2

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

1 stop17h 40m

Sofia

Tue 24/2

4:00 p.m.-8:00 p.m.

1 stop35h 00m

C$ 998

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 12/11

8:30 p.m.-3:15 p.m.

1 stop11h 45m

Sofia

Sat 6/12

2:00 p.m.-9:44 p.m.

2 stops14h 44m

C$ 1,003

TorontoSofia

YTZ - SOF

YTZSOF

Toronto Island

Sun 16/11

3:30 p.m.-6:20 p.m.

2 stops19h 50m

Sofia

Fri 5/12

6:10 a.m.-2:55 p.m.

2 stops15h 45m

C$ 1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 44 results
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Best time to book a flight from Ontario to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

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

Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Sofia (average of C$ 884). Flying from Region of Ontario to Sofia in June is currently the most expensive (average of C$ 1,198). 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.

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

Find hourly flight availability from Ontario to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

When flying from Region of Ontario to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

How much does it cost to fly round-trip from Region of Ontario to Sofia?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Ontario?

    Sofia (SOF) is the airport you will fly into if you book a flight from Ontario to Sofia. It is only a 6.7 km journey from Sofia (SOF) to Sofia’s city centre.

  • How long is the flight from Region of Ontario to Sofia?

    For as low as C$ 976, British Airways can have you in Sofia from Region of Ontario in 12h 40m. There are 7247 km between Region of Ontario and Sofia. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Sofia?

    The most popular route from Region of Ontario to Sofia is Toronto Pearson Intl - Sofia. You may also consider Montreal Pierre Elliott Trudeau Intl - Sofia or Toronto Island - Sofia.

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

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

  • How can I find direct flights from Ontario to Sofia?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Sofia 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 Sofia?

    Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Sofia (average of C$ 884). Flying from Region of Ontario to Sofia in June is currently the most expensive (average of C$ 1,198). 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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Top 8 airlines flying from Ontario to Sofia

Discover the top 8 airlines that operate flights from Ontario to Sofia. 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 837AverageC$ 965FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 974AverageC$ 1,349FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 1,008AverageC$ 1,307FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SWISSCheapestC$ 1,016AverageC$ 1,246FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapestC$ 1,028AverageC$ 1,414FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapestC$ 1,059AverageC$ 1,511FlexibilityNo cancel feeOn-time81%
Search LOT flights
Turkish AirlinesCheapestC$ 1,138AverageC$ 1,234FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapestC$ 1,496AverageC$ 1,598FlexibilityNo 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 Sofia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sofia from Ontario today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Sofia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sofia from Ontario today and book when prices fit your budget.

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