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Cheap flights from Ontario to Bulgaria from C$ 376

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
1 Jun — 8 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Bulgaria

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Bulgaria
Explore the most affordable flight options available from Ontario to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 May 2026.

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$ 865
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$ 870
Sat 6/611:00 p.m.
YUL
-
SOF
1 stop18h 40m
Multiple Airlines
Fri 19/64:40 p.m.
SOF
-
YUL
1 stop35h 20m
Multiple Airlines
Deal found 1/5C$ 899
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$ 921
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$ 922
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$ 926
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$ 930
Tue 12/510:05 p.m.
YUL
-
SOF
1 stop20h 10m
Multiple Airlines
Tue 26/511:45 p.m.
SOF
-
YUL
2 stops28h 15m
Multiple Airlines
Deal found 29/4C$ 960
Thu 14/57:00 p.m.
YUL
-
SOF
1 stop17h 50m
Multiple Airlines
Tue 26/511:45 p.m.
SOF
-
YUL
2 stops28h 15m
Multiple Airlines
Deal found 29/4C$ 964
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$ 997
Tue 5/57:15 p.m.
YOW
-
SOF
2 stops24h 40m
Multiple Airlines
Tue 19/511:25 p.m.
SOF
-
YOW
3 stops25h 10m
Multiple Airlines
Deal found 2/5C$ 1,078
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$ 1,094

Find flight deals from Ontario to Bulgaria

Keep the following information in mind while searching for Ontario to Bulgaria flight deals. Data was last updated 2 May 2026.

Round-trip from

C$ 865

One-way from

C$ 376

Popular in

December

Cheapest in

March

Average price

C$ 1,424
7/6-22/6
  • 7/6-22/6
  • 3 total stops
  • 48h 05m total
  • Ontario to Bulgaria
Search Deals
1/6
  • 1/6
  • 2 total stops
  • 30h 30m total
  • Ontario to Bulgaria
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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bulgaria 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 2 May 2026.
Use the filters below to find and compare flights from Ontario to Bulgaria 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$ 997

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$ 1,134

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

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

1 stop14h 20m

Sofia

Wed 7/10

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

1 stop29h 50m

C$ 1,147

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 7/10

5:40 p.m.-12:10 p.m.

1 stop11h 30m

Sofia

Thu 1/4

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

1 stop19h 20m

C$ 1,181

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$ 1,256

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

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

1 stop15h 10m

Sofia

Wed 10/6

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

1 stop29h 50m

C$ 1,271

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Sun 4/10

10:05 a.m.-11:00 a.m.

2 stops17h 55m

Sofia

Thu 8/10

6:30 a.m.-10:23 p.m.

2 stops22h 53m

C$ 1,282

MontrealVarna

YUL - VAR

YULVAR

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

10:05 p.m.-2:15 a.m.

1 stop21h 10m

Varna

Thu 10/9

5:00 a.m.-5:20 p.m.

1 stop19h 20m

C$ 1,347

TorontoSofia

YYZ - SOF

YYZSOF

Toronto Pearson Intl

Wed 7/10

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

1 stop34h 10m

Sofia

Thu 1/4

9:05 p.m.-7:28 a.m.

2 stops41h 23m

C$ 1,359

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

1 stop32h 25m

Sofia

Wed 23/9

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

1 stop29h 50m

C$ 1,369

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Bulgaria

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

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

The price you pay for your flight from Region of Ontario to Bulgaria may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Bulgaria (average of C$ 709). Flying from Region of Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,169). 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 Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Region of Ontario to Bulgaria can take about 11h 30m. British Airways provides one of the quickest options available for as low as C$ 1,181. Airlines will cover a distance of 7735 km. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Bulgaria (average of C$ 709). Flying from Region of Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,169). 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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Alternative routes for Ontario to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Bulgaria

Discover the top 6 airlines that operate flights from Ontario to Bulgaria. 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 2 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 860AverageC$ 1,317FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 860AverageC$ 938FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 980AverageC$ 1,333FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 999AverageC$ 1,589FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,008AverageC$ 1,236FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LOTCheapestC$ 1,074AverageC$ 1,457FlexibilityNo 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 Bulgaria?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Bulgaria. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Bulgaria from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Ontario to Bulgaria with no change fees.

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

Yes! Start tracking prices for Ontario to Bulgaria flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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