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Cheap flights from Ontario to Bulgaria from C$ 340

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SOF
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Bulgaria

Keep the following information in mind while searching for Ontario to Bulgaria flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 913

One-way from

C$ 340

Popular in

July

Cheapest in

February

Average price

C$ 1,373
11/10-28/10
  • 11/10-28/10
  • 5 total stops
  • 68h 40m total
  • Ontario to Bulgaria
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16/10
  • 16/10
  • 2 total stops
  • 41h 35m total
  • Ontario to Bulgaria
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to Bulgaria

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 15 September 2025.

Sat 11/106:45 a.m.YUL - SOF
2 stops33h 10mMultiple Airlines
Tue 28/103:10 p.m.SOF - YUL
3 stops35h 30mMultiple Airlines
Deal found 15/9C$ 913
Sat 22/116:35 p.m.YUL - VAR
1 stop13h 40mAustrian Airlines
Sun 30/114:00 p.m.VAR - YUL
1 stop28h 45mAustrian Airlines
Deal found 14/9C$ 934
Fri 21/115:55 p.m.YUL - SOF
1 stop12h 40mLufthansa
Sun 30/116:05 a.m.SOF - YUL
1 stop19h 15mLufthansa
Deal found 14/9C$ 956
Fri 17/106:55 p.m.YUL - SOF
2 stops16h 15mAustrian Airlines
Sun 30/1112:35 p.m.SOF - YUL
1 stop32h 10mAustrian Airlines
Deal found 15/9C$ 960
Thu 2/1011:23 a.m.YUL - SOF
2 stops17h 37mAir Canada
Wed 22/106:00 a.m.SOF - YUL
1 stop22h 00mAir Canada
Deal found 15/9C$ 963
Fri 21/114:45 p.m.YUL - SOF
2 stops18h 30mMultiple Airlines
Sat 29/117:55 a.m.SOF - YUL
1 stop12h 50mMultiple Airlines
Deal found 14/9C$ 964
Wed 1/108:00 a.m.YUL - SOF
2 stops20h 15mAir Canada
Wed 22/1012:45 p.m.SOF - YUL
1 stop15h 15mAir Canada
Deal found 15/9C$ 966
Sat 22/113:10 p.m.YUL - VAR
2 stops18h 45mMultiple Airlines
Sun 30/114:00 p.m.VAR - YUL
1 stop28h 45mMultiple Airlines
Deal found 14/9C$ 967
Sun 23/115:10 p.m.YUL - VAR
2 stops39h 05mMultiple Airlines
Fri 28/114:00 p.m.VAR - YUL
1 stop28h 45mMultiple Airlines
Deal found 14/9C$ 970
Fri 17/106:55 p.m.YUL - SOF
2 stops16h 15mMultiple Airlines
Sun 30/116:05 a.m.SOF - YUL
2 stops17h 20mMultiple Airlines
Deal found 15/9C$ 971
Mon 13/101:30 p.m.YUL - SOF
2 stops15h 30mAir Canada
Mon 20/1012:45 p.m.SOF - YUL
2 stops25h 40mAir Canada
Deal found 15/9C$ 973
Wed 1/1011:15 a.m.YUL - SOF
2 stops17h 00mAir Canada
Fri 17/1012:00 p.m.SOF - YUL
2 stops15h 53mAir Canada
Deal found 15/9C$ 977

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 15 September 2025.
Use the filters below to find and compare flights from Ontario to Bulgaria that are best for you.

Fly from

Ontario

Fly to

Bulgaria

Route

Depart

Return

Price

MontrealVarna

YUL - VAR

YULVAR

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

6:35 p.m.-3:15 p.m.

1 stop13h 40m

Varna

Fri 28/11

4:00 p.m.-1:45 p.m.

1 stop28h 45m

C$ 934

MontrealVarna

YUL - VAR

YULVAR

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

6:35 p.m.-3:15 p.m.

1 stop13h 40m

Varna

Sun 30/11

4:00 p.m.-1:45 p.m.

1 stop28h 45m

C$ 934

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

5:55 p.m.-6:15 p.m.

1 stop17h 20m

Sofia

Sun 30/11

6:05 a.m.-6:20 p.m.

1 stop19h 15m

C$ 956

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

5:55 p.m.-1:35 p.m.

1 stop12h 40m

Sofia

Sat 29/11

7:55 a.m.-1:45 p.m.

1 stop12h 50m

C$ 956

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

5:55 p.m.-1:35 p.m.

1 stop12h 40m

Sofia

Sun 30/11

6:05 a.m.-6:20 p.m.

1 stop19h 15m

C$ 956

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 17/10

6:55 p.m.-6:10 p.m.

2 stops16h 15m

Sofia

Sun 30/11

12:35 p.m.-1:45 p.m.

1 stop32h 10m

C$ 960

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

6:00 a.m.-12:00 p.m.

2 stops23h 00m

Sofia

Wed 22/10

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

1 stop22h 00m

C$ 963

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

10:05 a.m.-4:20 p.m.

2 stops23h 15m

Sofia

Mon 9/3

5:25 p.m.-10:45 p.m.

2 stops35h 20m

C$ 966

MontrealVarna

YUL - VAR

YULVAR

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

3:10 p.m.-4:55 p.m.

2 stops18h 45m

Varna

Sun 30/11

4:00 p.m.-1:45 p.m.

1 stop28h 45m

C$ 967

MontrealVarna

YUL - VAR

YULVAR

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

5:10 p.m.-3:15 p.m.

2 stops39h 05m

Varna

Fri 28/11

4:00 p.m.-1:45 p.m.

1 stop28h 45m

C$ 970

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 44 results
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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

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

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Bulgaria (average of C$ 807). Flying from Region of Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,176). 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.

What is the cheapest time of day to fly from ON to BG?

Find hourly flight availability from Ontario to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Region of Ontario to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12h 40m. Austrian Airlines provides one of the quickest options available for as low as C$ 956. Airlines will cover a distance of 7247 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, February is the cheapest month in which you can book a flight from Region of Ontario to Bulgaria (average of C$ 807). Flying from Region of Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,176). 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 9 airlines flying from Ontario to Bulgaria

Discover the top 9 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 888AverageC$ 964FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 997AverageC$ 1,275FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SWISSCheapestC$ 1,005AverageC$ 1,236FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapestC$ 1,028AverageC$ 1,360FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LOTCheapestC$ 1,057AverageC$ 1,534FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapestC$ 1,057AverageC$ 1,496FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,126AverageC$ 1,221FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestC$ 1,128AverageC$ 1,190FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapestC$ 1,480AverageC$ 1,581FlexibilityNo 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 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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