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Cheap flights from Ontario to Sofia from C$ 363

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
28 Aug — 4 Sep1
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 July 2026.

Wed 7/1010:15 p.m.
YYZ
-
SOF
2 stops19h 25m
Multiple Airlines
Wed 11/113:20 p.m.
SOF
-
YYZ
2 stops30h 25m
Multiple Airlines
Deal found 28/7C$ 1,009
Mon 3/810:15 p.m.
YYZ
-
SOF
1 stop17h 05m
Multiple Airlines
Tue 1/910:45 p.m.
SOF
-
YYZ
2 stops48h 05m
Multiple Airlines
Deal found 27/7C$ 1,023
Fri 18/99:55 p.m.
YYZ
-
SOF
2 stops20h 15m
Multiple Airlines
Sun 27/96:15 a.m.
SOF
-
YYZ
3 stops46h 20m
Multiple Airlines
Deal found 28/7C$ 1,026
Mon 17/810:55 p.m.
YYZ
-
SOF
1 stop17h 05m
Multiple Airlines
Tue 8/911:25 p.m.
SOF
-
YYZ
2 stops22h 35m
Multiple Airlines
Deal found 26/7C$ 1,034
Sat 14/115:30 p.m.
YYZ
-
SOF
2 stops24h 40m
Multiple Airlines
Sun 22/114:55 p.m.
SOF
-
YYZ
2 stops35h 20m
Multiple Airlines
Deal found 28/7C$ 1,036
Thu 3/96:20 p.m.
YYZ
-
SOF
2 stops23h 40m
Multiple Airlines
Mon 21/910:30 p.m.
SOF
-
YYZ
1 stop24h 10m
Multiple Airlines
Deal found 27/7C$ 1,038
Wed 7/1010:15 p.m.
YYZ
-
SOF
2 stops19h 25m
Multiple Airlines
Tue 3/114:05 p.m.
SOF
-
YYZ
3 stops33h 10m
Multiple Airlines
Deal found 28/7C$ 1,041
Sun 6/910:45 p.m.
YYZ
-
SOF
1 stop19h 05m
Multiple Airlines
Sat 12/98:55 p.m.
SOF
-
YYZ
2 stops28h 05m
Multiple Airlines
Deal found 27/7C$ 1,043
Sat 26/911:55 p.m.
YYZ
-
SOF
2 stops28h 10m
Multiple Airlines
Sat 3/105:45 a.m.
SOF
-
YYZ
1 stop15h 15m
Multiple Airlines
Deal found 28/7C$ 1,047
Thu 1/1010:45 p.m.
YYZ
-
SOF
1 stop31h 50m
Multiple Airlines
Fri 9/107:30 p.m.
SOF
-
YYZ
1 stop24h 15m
Multiple Airlines
Deal found 26/7C$ 1,048
Wed 9/910:00 a.m.
YTZ
-
SOF
3 stops25h 00m
Multiple Airlines
Wed 16/94:00 p.m.
SOF
-
YTZ
3 stops35h 11m
Multiple Airlines
Deal found 26/7C$ 1,065
Mon 24/86:55 a.m.
YOW
-
SOF
3 stops35h 40m
Multiple Airlines
Fri 11/96:45 p.m.
SOF
-
YOW
3 stops44h 20m
Multiple Airlines
Deal found 28/7C$ 1,069

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 July 2026.

Round-trip from

C$ 1,009

One-way from

C$ 363

Popular in

December

Cheapest in

March

Average price

C$ 1,536
7/10-11/11
  • 7/10-11/11
  • 4 total stops
  • 49h 50m total
  • Ontario to Sofia
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 30h 35m total
  • Ontario to Sofia
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Thu 1/10

10:45 p.m.-1:35 p.m.

1 stop31h 50m

Sofia

Fri 9/10

7:30 p.m.-12:45 p.m.

1 stop24h 15m

C$ 1,050

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Fri 11/9

4:00 p.m.-1:15 a.m.

2 stops26h 15m

Sofia

Sat 31/10

6:30 a.m.-10:15 p.m.

3 stops45h 45m

C$ 1,060

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sat 14/11

6:05 p.m.-6:35 p.m.

1 stop17h 30m

Sofia

Sun 22/11

7:45 p.m.-3:31 p.m.

2 stops50h 46m

C$ 1,079

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

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

1 stop17h 15m

Sofia

Tue 13/10

9:35 a.m.-6:10 p.m.

1 stop15h 35m

C$ 1,093

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

10:00 p.m.-1:25 p.m.

1 stop32h 25m

Sofia

Wed 21/10

9:25 p.m.-8:15 p.m.

1 stop29h 50m

C$ 1,095

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop15h 10m

Sofia

Fri 2/10

2:15 p.m.-9:49 a.m.

2 stops26h 34m

C$ 1,106

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

10:00 p.m.-1:25 p.m.

1 stop32h 25m

Sofia

Fri 2/10

2:15 p.m.-9:49 a.m.

2 stops50h 34m

C$ 1,106

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 14/10

10:20 p.m.-6:00 p.m.

1 stop12h 40m

Sofia

Tue 27/10

6:35 p.m.-9:35 p.m.

1 stop33h 00m

C$ 1,140

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

2 stops27h 00m

Sofia

Fri 2/10

2:15 p.m.-9:49 a.m.

2 stops50h 34m

C$ 1,140

OttawaSofia

YOW - SOF

YOWSOF

Ottawa

Thu 3/9

7:00 a.m.-1:35 a.m.

3 stops35h 35m

Sofia

Sat 19/9

7:00 p.m.-5:35 p.m.

3 stops29h 35m

C$ 1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 51 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Region of Ontario to Sofia (average of C$ 1,051). Flying from Region of Ontario to Sofia in December is currently the most expensive (average of C$ 1,591). 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?

Airfare is below average for this route at the moment.
Region of Ontario to Sofia flights typically cost between C$ 1,411 and C$ 1,683 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,009 on Multiple Airlines (7 Oct-11 Nov).

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 79 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$ 1,140, British Airways can have you in Sofia from Region of Ontario in 12h 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$ 1,051). Flying from Region of Ontario to Sofia in December is currently the most expensive (average of C$ 1,591). 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 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 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 846AverageC$ 975FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 893AverageC$ 1,255FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 990AverageC$ 1,444FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,038AverageC$ 1,358FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,048AverageC$ 1,308FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LOTCheapestC$ 1,116AverageC$ 1,517FlexibilityNo 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.

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