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Cheap flights from Ontario to Sofia from C$ 555

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
28 Feb — 7 Mar1
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 29 January 2026.

Wed 25/29:35 p.m.
YYZ
-
SOF
1 stop17h 10m
Multiple Airlines
Wed 4/39:55 p.m.
SOF
-
YYZ
2 stops23h 15m
Multiple Airlines
Deal found 27/1C$ 749
Mon 18/511:00 p.m.
YUL
-
SOF
1 stop13h 30m
Multiple Airlines
Thu 4/68:10 p.m.
SOF
-
YUL
1 stop31h 50m
Multiple Airlines
Deal found 27/1C$ 796
Wed 18/29:35 p.m.
YYZ
-
SOF
1 stop22h 20m
Multiple Airlines
Wed 25/27:30 p.m.
SOF
-
YYZ
1 stop26h 30m
Multiple Airlines
Deal found 28/1C$ 797
Wed 18/310:40 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Tue 31/38:20 p.m.
SOF
-
YUL
1 stop31h 40m
Multiple Airlines
Deal found 28/1C$ 805
Mon 20/410:00 p.m.
YYZ
-
SOF
1 stop18h 00m
Multiple Airlines
Tue 28/46:50 p.m.
SOF
-
YYZ
2 stops25h 30m
Multiple Airlines
Deal found 27/1C$ 810
Wed 18/310:40 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Tue 24/38:25 p.m.
SOF
-
YUL
1 stop30h 15m
Multiple Airlines
Deal found 27/1C$ 816
Mon 20/410:35 p.m.
YYZ
-
SOF
1 stop18h 05m
Multiple Airlines
Mon 27/412:30 p.m.
SOF
-
YYZ
2 stops31h 50m
Multiple Airlines
Deal found 26/1C$ 816
Wed 18/310:40 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Sat 28/37:45 p.m.
SOF
-
YUL
1 stop31h 15m
Multiple Airlines
Deal found 28/1C$ 819
Sun 19/48:45 p.m.
YYZ
-
SOF
2 stops23h 10m
Multiple Airlines
Wed 29/46:00 a.m.
SOF
-
YYZ
2 stops23h 05m
Multiple Airlines
Deal found 27/1C$ 823
Sun 8/29:40 p.m.
YUL
-
SOF
1 stop14h 30m
Multiple Airlines
Thu 26/28:00 p.m.
SOF
-
YUL
1 stop30h 40m
Multiple Airlines
Deal found 26/1C$ 828
Tue 21/410:35 p.m.
YYZ
-
SOF
1 stop15h 15m
Multiple Airlines
Mon 27/412:30 p.m.
SOF
-
YYZ
2 stops31h 50m
Multiple Airlines
Deal found 26/1C$ 828
Tue 21/410:35 p.m.
YYZ
-
SOF
1 stop15h 15m
Multiple Airlines
Tue 28/46:50 p.m.
SOF
-
YYZ
2 stops25h 30m
Multiple Airlines
Deal found 26/1C$ 831

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 29 January 2026.

Round-trip from

C$ 749

One-way from

C$ 555

Popular in

December

Cheapest in

March

Average price

C$ 1,106
25/2-4/3
  • 25/2-4/3
  • 3 total stops
  • 40h 25m total
  • Ontario to Sofia
Search Deals
15/3
  • 15/3
  • 1 total stop
  • 15h 00m total
  • Ontario to Sofia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 47 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 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 29 January 2026.
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

Mon 18/5

11:00 p.m.-7:30 p.m.

1 stop13h 30m

Sofia

Thu 4/6

8:10 p.m.-9:00 p.m.

1 stop31h 50m

C$ 796

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 25/2

10:30 a.m.-6:45 p.m.

3 stops25h 15m

Sofia

Wed 4/3

9:55 p.m.-2:10 p.m.

2 stops23h 15m

C$ 798

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

1 stop14h 30m

Sofia

Thu 26/2

8:00 p.m.-7:40 p.m.

1 stop30h 40m

C$ 828

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

11:00 p.m.-9:45 a.m.

1 stop27h 45m

Sofia

Thu 11/6

8:10 p.m.-9:00 p.m.

1 stop31h 50m

C$ 834

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

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

1 stop14h 30m

Sofia

Sat 28/2

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

1 stop30h 55m

C$ 910

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 19/4

10:35 p.m.-10:00 p.m.

1 stop16h 25m

Sofia

Wed 29/4

2:10 p.m.-1:20 p.m.

2 stops30h 10m

C$ 922

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Thu 5/3

9:35 p.m.-1:10 p.m.

1 stop32h 35m

Sofia

Thu 12/3

8:25 p.m.-4:00 p.m.

1 stop25h 35m

C$ 930

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Tue 21/4

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

1 stop15h 30m

Sofia

Wed 29/4

9:25 p.m.-2:43 p.m.

2 stops48h 18m

C$ 953

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sat 18/4

6:28 p.m.-7:20 p.m.

2 stops41h 52m

Sofia

Mon 27/4

8:10 p.m.-4:05 p.m.

1 stop26h 55m

C$ 953

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 22/3

10:44 a.m.-4:20 p.m.

2 stops23h 36m

Sofia

Sun 5/4

9:05 p.m.-4:05 p.m.

1 stop26h 00m

C$ 957

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 48 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$ 859). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,163). 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 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$ 1,527, British Airways can have you in Sofia from Region of Ontario in 15h 05m. There are 7376 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 cheapest airlines to fly from Region of Ontario to Sofia one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 595. However, be on the lookout for offers from Turkish Airlines and LOT, as they are both options that can get you from Region of Ontario to Sofia for a low price.

  • 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$ 859). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,163). 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 7 airlines flying from Ontario to Sofia

Discover the top 7 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 860AverageC$ 938FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 913AverageC$ 1,317FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 980AverageC$ 1,295FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 999AverageC$ 1,431FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,008AverageC$ 1,130FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LOTCheapestC$ 1,080AverageC$ 1,454FlexibilityNo cancel feeOn-time81%
Search LOT flights
Air FranceCheapestC$ 1,455AverageC$ 1,553FlexibilityNo 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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