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Cheap flights from Ontario to Sofia from C$ 384

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
30 May — 6 Jun1
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 30 April 2026.

Tue 2/66:45 a.m.
YUL
-
SOF
3 stops35h 30m
Multiple Airlines
Tue 16/610:45 a.m.
SOF
-
YUL
2 stops31h 20m
Multiple Airlines
Deal found 25/4C$ 862
Sun 7/611:00 p.m.
YUL
-
SOF
1 stop17h 10m
Multiple Airlines
Mon 22/69:05 p.m.
SOF
-
YUL
2 stops30h 55m
Multiple Airlines
Deal found 28/4C$ 872
Sat 6/611:00 p.m.
YUL
-
SOF
1 stop18h 40m
Multiple Airlines
Mon 22/64:40 p.m.
SOF
-
YUL
1 stop35h 20m
Multiple Airlines
Deal found 29/4C$ 877
Sun 10/511:00 p.m.
YUL
-
SOF
2 stops53h 10m
Multiple Airlines
Fri 29/57:35 a.m.
SOF
-
YUL
1 stop20h 25m
Multiple Airlines
Deal found 29/4C$ 928
Mon 11/511:00 p.m.
YUL
-
SOF
2 stops35h 20m
Multiple Airlines
Fri 29/57:35 a.m.
SOF
-
YUL
1 stop20h 25m
Multiple Airlines
Deal found 29/4C$ 929
Tue 2/66:45 a.m.
YUL
-
SOF
2 stops26h 45m
Multiple Airlines
Wed 17/610:30 a.m.
SOF
-
YUL
2 stops20h 55m
Multiple Airlines
Deal found 27/4C$ 933
Sun 10/511:00 p.m.
YUL
-
SOF
2 stops19h 10m
Multiple Airlines
Sun 24/56:15 p.m.
SOF
-
YUL
1 stop33h 45m
Multiple Airlines
Deal found 29/4C$ 937
Tue 19/56:55 a.m.
YOW
-
SOF
3 stops35h 20m
Multiple Airlines
Fri 19/65:45 a.m.
SOF
-
YOW
3 stops18h 50m
Multiple Airlines
Deal found 27/4C$ 1,004
Mon 15/66:25 p.m.
YOW
-
SOF
3 stops22h 15m
Multiple Airlines
Mon 22/610:30 p.m.
SOF
-
YOW
3 stops26h 05m
Multiple Airlines
Deal found 26/4C$ 1,017
Sun 17/510:45 p.m.
YYZ
-
SOF
1 stop21h 10m
Multiple Airlines
Sat 20/61:30 p.m.
SOF
-
YYZ
3 stops32h 25m
Multiple Airlines
Deal found 28/4C$ 1,103
Tue 16/610:05 p.m.
YYZ
-
SOF
2 stops20h 10m
Multiple Airlines
Fri 3/74:40 p.m.
SOF
-
YYZ
3 stops36h 05m
Multiple Airlines
Deal found 25/4C$ 1,108
Sun 7/67:55 p.m.
YYZ
-
SOF
3 stops33h 15m
Multiple Airlines
Mon 22/66:30 a.m.
SOF
-
YYZ
2 stops18h 25m
Multiple Airlines
Deal found 25/4C$ 1,110

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 30 April 2026.

Round-trip from

C$ 862

One-way from

C$ 384

Popular in

December

Cheapest in

March

Average price

C$ 1,125
2/6-16/6
  • 2/6-16/6
  • 5 total stops
  • 66h 50m total
  • Ontario to Sofia
Search Deals
11/6
  • 11/6
  • 2 total stops
  • 41h 55m 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$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 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

OttawaSofia

YOW - SOF

YOWSOF

Ottawa

Tue 19/5

6:55 a.m.-1:15 a.m.

3 stops35h 20m

Sofia

Fri 19/6

5:45 a.m.-5:35 p.m.

3 stops18h 50m

C$ 1,004

OttawaSofia

YOW - SOF

YOWSOF

Ottawa

Mon 15/6

6:25 p.m.-11:40 p.m.

3 stops22h 15m

Sofia

Mon 22/6

10:30 p.m.-5:35 p.m.

3 stops26h 05m

C$ 1,017

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Mon 22/6

10:45 p.m.-11:00 p.m.

1 stop17h 15m

Sofia

Mon 6/7

10:30 p.m.-2:55 p.m.

2 stops23h 25m

C$ 1,110

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Mon 22/6

6:20 p.m.-11:00 p.m.

3 stops21h 40m

Sofia

Tue 7/7

5:55 a.m.-2:55 p.m.

2 stops16h 00m

C$ 1,137

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 28/10

9:00 p.m.-7:45 p.m.

1 stop28h 45m

C$ 1,145

TorontoSofia

YTZ - SOF

YTZSOF

Toronto Island

Thu 28/5

10:55 a.m.-1:35 a.m.

3 stops31h 40m

Sofia

Thu 4/6

7:30 p.m.-2:15 p.m.

3 stops25h 45m

C$ 1,148
Quickest round-trip

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 7/6

7:55 p.m.-4:30 p.m.

1 stop13h 35m

Sofia

Mon 22/6

10:30 a.m.-5:55 p.m.

1 stop14h 25m

C$ 1,204

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 27/5

7:55 p.m.-1:55 a.m.

3 stops23h 00m

Sofia

Wed 3/6

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

3 stops19h 25m

C$ 1,237

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Mon 6/7

4:15 p.m.-1:35 a.m.

2 stops26h 20m

Sofia

Mon 20/7

6:45 p.m.-4:38 p.m.

3 stops28h 53m

C$ 1,264

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 19/7

7:00 p.m.-3:00 p.m.

1 stop13h 00m

Sofia

Mon 17/8

4:40 p.m.-5:10 p.m.

3 stops31h 30m

C$ 1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 50 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

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.

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$ 714). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,178). 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?

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$ 1,602, British Airways can have you in Sofia from Region of Ontario in 15h 25m. There are 7725 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 Montreal Pierre Elliott Trudeau Intl - Sofia. You may also consider Toronto Pearson 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$ 714). Flying from Region of Ontario to Sofia in July is currently the most expensive (average of C$ 1,178). 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 866AverageC$ 1,327FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 867AverageC$ 946FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 987AverageC$ 1,343FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,007AverageC$ 1,508FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,016AverageC$ 1,240FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LOTCheapestC$ 1,082AverageC$ 1,468FlexibilityNo 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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