Find flights
When to book
FAQs

Cheap flights from Ontario to Sofia from C$ 328

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 18 June 2026.

Mon 5/1011:45 p.m.
YUL
-
SOF
1 stop15h 55m
Multiple Airlines
Fri 30/106:30 a.m.
SOF
-
YUL
2 stops20h 25m
Multiple Airlines
Deal found 14/6C$ 1,170
Wed 7/1011:40 p.m.
YUL
-
SOF
1 stop12h 25m
Multiple Airlines
Wed 28/106:30 a.m.
SOF
-
YUL
2 stops20h 25m
Multiple Airlines
Deal found 14/6C$ 1,171
Tue 6/1010:00 p.m.
YUL
-
SOF
1 stop15h 30m
British Airways
Wed 28/109:00 p.m.
SOF
-
YUL
1 stop29h 15m
British Airways
Deal found 14/6C$ 1,173
Wed 23/911:40 p.m.
YUL
-
SOF
1 stop12h 25m
Multiple Airlines
Mon 12/109:30 p.m.
SOF
-
YUL
1 stop25h 55m
Multiple Airlines
Deal found 14/6C$ 1,174
Wed 21/1011:40 p.m.
YUL
-
SOF
1 stop12h 25m
Multiple Airlines
Thu 19/116:05 a.m.
SOF
-
YUL
2 stops19h 35m
Multiple Airlines
Deal found 14/6C$ 1,176
Sat 12/911:50 p.m.
YUL
-
SOF
2 stops20h 10m
Multiple Airlines
Thu 8/107:00 a.m.
SOF
-
YUL
1 stop15h 20m
Multiple Airlines
Deal found 16/6C$ 1,177
Tue 20/1011:45 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Sun 15/119:00 a.m.
SOF
-
YUL
2 stops17h 55m
Multiple Airlines
Deal found 14/6C$ 1,180
Mon 19/1011:45 p.m.
YUL
-
SOF
1 stop15h 55m
Multiple Airlines
Tue 17/119:00 p.m.
SOF
-
YUL
1 stop26h 00m
Multiple Airlines
Deal found 14/6C$ 1,181
Fri 23/1011:40 p.m.
YUL
-
SOF
1 stop14h 45m
Multiple Airlines
Thu 19/119:00 p.m.
SOF
-
YUL
1 stop26h 00m
Multiple Airlines
Deal found 14/6C$ 1,183
Thu 6/88:25 p.m.
YUL
-
SOF
1 stop20h 10m
Multiple Airlines
Sun 30/84:10 p.m.
SOF
-
YUL
1 stop30h 05m
Multiple Airlines
Deal found 13/6C$ 1,185
Fri 7/88:25 p.m.
YUL
-
SOF
1 stop19h 45m
Multiple Airlines
Tue 8/94:25 p.m.
SOF
-
YUL
1 stop29h 55m
Multiple Airlines
Deal found 14/6C$ 1,188
Tue 15/911:45 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Mon 12/105:45 a.m.
SOF
-
YUL
2 stops22h 25m
Multiple Airlines
Deal found 14/6C$ 1,190

Find flight deals from Ontario to Sofia

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

Round-trip from

C$ 1,170

One-way from

C$ 328

Popular in

December

Cheapest in

March

Average price

C$ 1,509
7/7-13/10
  • 7/7-13/10
  • 3 total stops
  • 35h 30m total
  • Ontario to Sofia
Search Deals
8/9
  • 8/9
  • 2 total stops
  • 20h 20m total
  • Ontario to Sofia
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 18 June 2026.
Use the filters below to find and compare flights from Ontario to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

6:35 p.m.-3:20 p.m.

1 stop13h 45m

Sofia

Sun 25/10

6:45 p.m.-2:20 p.m.

1 stop25h 35m

C$ 1,202

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

10:00 p.m.-8:30 p.m.

1 stop15h 30m

Sofia

Wed 14/10

9:25 p.m.-9:50 a.m.

2 stops43h 25m

C$ 1,208

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

10:00 p.m.-7:20 p.m.

1 stop14h 20m

Sofia

Sun 25/10

2:30 p.m.-9:50 a.m.

2 stops25h 20m

C$ 1,208

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

10:00 p.m.-7:20 p.m.

1 stop14h 20m

Sofia

Mon 12/10

8:10 p.m.-8:15 p.m.

1 stop31h 05m

C$ 1,219

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

3:10 p.m.-6:20 p.m.

2 stops20h 10m

Sofia

Wed 18/11

6:00 a.m.-9:53 p.m.

2 stops22h 53m

C$ 1,225

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

1:10 p.m.-12:10 p.m.

2 stops16h 00m

Sofia

Thu 22/10

6:30 a.m.-4:21 p.m.

2 stops16h 51m

C$ 1,232

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

8:45 p.m.-3:05 p.m.

2 stops35h 20m

Sofia

Wed 18/11

2:00 p.m.-3:23 p.m.

3 stops56h 23m

C$ 1,265

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

8:20 p.m.-3:15 p.m.

2 stops35h 55m

Sofia

Wed 18/11

2:00 p.m.-3:23 p.m.

3 stops56h 23m

C$ 1,265

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Tue 15/9

8:05 p.m.-10:20 a.m.

1 stop31h 15m

Sofia

Tue 13/10

1:05 p.m.-4:10 p.m.

1 stop34h 05m

C$ 1,270

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Tue 29/9

8:05 p.m.-10:20 a.m.

1 stop31h 15m

Sofia

Thu 8/10

11:05 a.m.-4:10 p.m.

1 stop12h 05m

C$ 1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from Region of Ontario to Sofia (average of C$ 732). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,260). 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.

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

How far ahead should I book a flight from Region of Ontario to Sofia?

The best time to book flights from Region of Ontario to Sofia is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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$ 1,289, British Airways can have you in Sofia from Region of Ontario in 14h 40m. There are 7735 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, March is the cheapest month in which you can book a flight from Region of Ontario to Sofia (average of C$ 732). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,260). 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.

Top 6 airlines flying from Ontario to Sofia

Discover the top 6 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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 841AverageC$ 969FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 888AverageC$ 1,430FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 984AverageC$ 1,443FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,032AverageC$ 1,354FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,042AverageC$ 1,273FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LOTCheapestC$ 1,110AverageC$ 1,510FlexibilityNo cancel feeOn-time81%
Search LOT 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.

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.