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Cheap flights from Montreal to Sofia from C$ 423

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SOF
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal to Sofia are usually found in November or April, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Montreal to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Sofia
Explore the most affordable flight options available from Montreal to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 December 2025.

Wed 3/129:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Mon 8/124:00 p.m.SOF - YUL
2 stops27h 40mMultiple Airlines
Deal found 1/12C$ 1,024
Fri 5/129:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Sun 7/129:00 p.m.SOF - YUL
3 stops29h 45mMultiple Airlines
Deal found 2/12C$ 1,033

Find flight deals from Montreal to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 December 2025.

Round-trip from

C$ 742

One-way from

C$ 423

Popular in

December

Cheapest in

November

Average price

C$ 2,266
23/1-27/1
  • 23/1-27/1
  • 2 total stops
  • 44h 35m total
  • Montreal to Sofia
Search Deals
18/1
  • 18/1
  • 2 total stops
  • 41h 30m total
  • Montreal to Sofia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 95 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 4 December 2025.
Use the filters below to find and compare flights from Montreal to Sofia that are best for you.

Fly from

Montreal

Fly to

Sofia

Route

Depart

Return

Price

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

9:40 p.m.-7:00 p.m.

1 stop14h 20m

Sofia

Tue 27/1

8:25 p.m.-7:40 p.m.

1 stop30h 15m

C$ 742

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

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

1 stop14h 30m

Sofia

Tue 27/1

8:25 p.m.-7:40 p.m.

1 stop30h 15m

C$ 846

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:40 p.m.-8:10 p.m.

1 stop16h 30m

Sofia

Mon 26/1

5:25 p.m.-6:45 p.m.

1 stop32h 20m

C$ 970

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:40 p.m.-8:10 p.m.

1 stop16h 30m

Sofia

Wed 28/1

9:00 p.m.-6:45 p.m.

1 stop28h 45m

C$ 970

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

8:40 p.m.-4:20 p.m.

1 stop12h 40m

Sofia

Mon 2/2

5:25 p.m.-6:45 p.m.

1 stop32h 20m

C$ 971

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 8/1

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

1 stop16h 55m

Sofia

Sun 25/1

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

1 stop19h 40m

C$ 989

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

8:10 p.m.-7:00 p.m.

1 stop15h 50m

Sofia

Fri 23/1

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

1 stop19h 40m

C$ 1,008

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

8:10 p.m.-7:40 p.m.

1 stop16h 30m

Sofia

Thu 22/1

8:00 p.m.-12:40 p.m.

1 stop23h 40m

C$ 1,010

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

8:40 p.m.-11:15 a.m.

1 stop31h 35m

Sofia

Mon 2/2

5:25 p.m.-6:45 p.m.

1 stop32h 20m

C$ 1,028

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:40 p.m.-8:10 p.m.

1 stop16h 30m

Sofia

Sat 24/1

12:05 p.m.-6:45 p.m.

1 stop13h 40m

C$ 1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 12 results
1
2

Best time to book a flight from Montreal to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Montreal 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 Montreal to Sofia

How far ahead should I book a flight from Montreal to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Sofia. Price data was last updated on 28 November 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal to Sofia?

Currently, November is the cheapest month in which you can book a flight from Montreal to Sofia (average of C$ 948). Flying from Montreal to Sofia in December is currently the most expensive (average of C$ 1,394). 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 Montreal to Sofia?

What’s the top layover airport for flights from Montreal to Sofia?

Share of one-stop round-trip flights from Montreal to Sofia chosen by Cheapflights users in the past 12 months, using the same layover each way.

Vienna (VIE) – chosen by Cheapflights users on 30% of one-stop itineraries from Montreal to Sofia on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Sofia?

Average round-trip fare for 1-stop flights from Montreal to Sofia, chosen by Cheapflights users in the past 12 months, with the same layover each way.

London (LHR) is the most affordable 1-stop option, with an average round-trip price of C$ 1,063.

What’s the fastest layover option from Montreal to Sofia?

Shortest average travel time for 1-stop one-way flights from Montreal to Sofia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 10h 06m.

Which airport typically offers the quickest layover for flights from Montreal to Sofia?

Average layover duration for 1-stop one-way flights from Montreal to Sofia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Vienna (VIE) offer the fastest connection on this route, with an average layover time of 1h 30m.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated 4 December 2025.
Read through reviews of airlines operating flights from Montreal to Sofia, such as Austrian Airlines,Turkish Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
875 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Turkish Airlines
7.3
Good
4,077 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Air Canada
7.1
Good
10,500 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,613 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,562 reviews
Austrian Airlines
7.6
Good
875 reviews
Check prices

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

Find useful and relevant information for your journey from Montreal 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 Montreal?

    Sofia (SOF), located 6.7 km from the city centre, is the airport you fly into when you book flights from Montreal to Sofia. 5 airlines have flights to Sofia from Montreal on a regular basis. Booking flights from Montreal to Sofia should not be difficult; the airport handles an average of 0 inbound flights from Montreal per day.

  • How long is the flight from Montreal to Sofia?

    British Airways can get you from Montreal to Sofia in just under 16h 30m. Your travel time can differ by up to . There are 7247 km between Montreal and Sofia.

  • What are the cheapest airlines flying from Montreal to Sofia round-trip?

    Our cheapest airline available from Montreal to Sofia is British Airways. Our recent data shows that you can find tickets from as low as C$ 954 on this airline. Additional options worth looking into are Austrian Airlines and Air Canada, starting at C$ 1,021 and C$ 1,053 round-trip. British Airways is currently priced 37% below the average price you’ll pay for this route.

  • Can I find deals for flights from Montreal to Sofia that include hotel bookings?

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

  • How can I find direct flights from Montreal to Sofia?

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

  • Can I find deals for business class flights from Montreal to Sofia?

    Yes. Cheapflights offers flight deals from Montreal 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 Montreal to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Montreal to Sofia (average of C$ 948). Flying from Montreal to Sofia in December is currently the most expensive (average of C$ 1,394). 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 Montreal to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Sofia flights
Ottawa to Sofia flights
Québec City to Sofia flights

Top 5 airlines flying from Montreal to Sofia

Discover the top 5 airlines that operate flights from Montreal 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 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 954AverageC$ 1,249FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 1,021AverageC$ 1,612FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,053AverageC$ 1,357FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 1,053AverageC$ 1,418FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Turkish AirlinesCheapestC$ 1,160AverageC$ 1,554FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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 Montreal to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Montreal to Sofia. 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 Montreal to Sofia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Montreal to Sofia.

Can Cheapflights find flights from Montreal to Sofia with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to Sofia with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Sofia become cheaper?

Of course! You can now track prices for flights from Montreal to Sofia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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