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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia from C$ 436

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Sofia are usually found in March or January, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Pierre Elliott Trudeau Intl to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Sofia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Wed 31/129:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Sat 31/17:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 10/12C$ 950
Thu 11/127:45 p.m.YUL - SOF
2 stops22h 45mMultiple Airlines
Thu 18/122:20 p.m.SOF - YUL
1 stop28h 50mMultiple Airlines
Deal found 11/12C$ 1,586
Thu 11/127:45 p.m.YUL - SOF
2 stops22h 45mMultiple Airlines
Sun 14/127:00 a.m.SOF - YUL
1 stop19h 40mMultiple Airlines
Deal found 11/12C$ 1,625
Thu 11/127:45 p.m.YUL - SOF
2 stops20h 30mMultiple Airlines
Sat 20/1211:00 a.m.SOF - YUL
1 stop32h 10mMultiple Airlines
Deal found 11/12C$ 1,629
Thu 11/127:45 p.m.YUL - SOF
2 stops36h 40mMultiple Airlines
Fri 19/126:00 a.m.SOF - YUL
1 stop20h 40mMultiple Airlines
Deal found 11/12C$ 1,666
Fri 12/128:30 p.m.YUL - SOF
1 stop33h 30mBritish Airways
Wed 17/129:00 p.m.SOF - YUL
1 stop28h 45mBritish Airways
Deal found 11/12C$ 1,753
Thu 11/127:45 p.m.YUL - SOF
2 stops22h 45mMultiple Airlines
Wed 17/127:00 a.m.SOF - YUL
1 stop19h 40mMultiple Airlines
Deal found 11/12C$ 1,762
Thu 11/127:45 p.m.YUL - SOF
2 stops22h 45mMultiple Airlines
Mon 15/128:00 p.m.SOF - YUL
1 stop21h 45mMultiple Airlines
Deal found 11/12C$ 1,804
Fri 12/125:10 p.m.YUL - SOF
2 stops18h 50mMultiple Airlines
Tue 16/128:25 p.m.SOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 11/12C$ 1,808
Fri 12/128:30 p.m.YUL - SOF
1 stop33h 30mBritish Airways
Mon 15/125:25 p.m.SOF - YUL
1 stop32h 20mBritish Airways
Deal found 11/12C$ 1,813

Find flight deals from Pierre Elliott Trudeau Intl to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 12 December 2025.

Round-trip from

C$ 950

One-way from

C$ 436

Popular in

December

Cheapest in

March

Average price

C$ 1,604
31/12-31/1
  • 31/12-31/1
  • 2 total stops
  • 45h 25m total
  • Montreal to Sofia
Search Deals
13/1
  • 13/1
  • 2 total stops
  • 36h 30m total
  • Montreal to Sofia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 12 December 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Sofia

Route

Depart

Return

Price

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

1 stop14h 30m

Sofia

Sat 31/1

7:45 p.m.-7:40 p.m.

1 stop30h 55m

C$ 950

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

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

1 stop14h 20m

Sofia

Sat 17/1

7:45 p.m.-7:40 p.m.

1 stop30h 55m

C$ 965

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$ 1,027

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 16/1

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

1 stop14h 20m

Sofia

Sun 25/1

7:05 p.m.-12:15 p.m.

2 stops24h 10m

C$ 1,051

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

10:00 p.m.-1:30 p.m.

1 stop32h 30m

Sofia

Wed 23/9

9:30 p.m.-8:15 p.m.

1 stop29h 45m

C$ 1,142

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

6:20 p.m.-1:55 p.m.

1 stop12h 35m

Sofia

Sat 17/1

7:45 p.m.-7:40 p.m.

1 stop30h 55m

C$ 1,185

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

8:55 a.m.-7:00 p.m.

3 stops27h 05m

Sofia

Sun 1/3

6:55 a.m.-7:40 p.m.

2 stops19h 45m

C$ 1,192

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 11/1

8:10 p.m.-10:45 p.m.

2 stops43h 35m

Sofia

Sun 18/1

7:05 p.m.-6:20 p.m.

1 stop30h 15m

C$ 1,219

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:10 p.m.-3:40 p.m.

2 stops36h 30m

C$ 436

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Best time to book a flight from Pierre Elliott Trudeau Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sofia

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Sofia. Price data was last updated on 5 December 2025.

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 42 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 Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 934). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in December is currently the most expensive (average of C$ 1,378). 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.

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 12 December 2025.
See what other customers who have flown with Austrian Airlines,Turkish Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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
879 reviews
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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
4,090 reviews
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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
10,517 reviews
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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
7,626 reviews
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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
7,571 reviews
Austrian Airlines
7.6
Good
879 reviews
Check prices

Food

6.8

Comfort

7.3

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

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 Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl?

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

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia can take about 31h 35m. British Airways provides one of the quickest options available for as low as C$ 1,027. Airlines will cover a distance of 7247 km.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia round-trip?

    According to our current data, British Airways (C$ 943), Austrian Airlines (C$ 1,009), and Air Canada (C$ 1,041) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Sofia. British Airways is priced at 34% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Sofia that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Sofia?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Sofia?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 934). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in December is currently the most expensive (average of C$ 1,378). 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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Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 5 airlines flying from Pierre Elliott Trudeau Intl to Sofia

Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 943AverageC$ 1,234FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 1,009AverageC$ 1,596FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,041AverageC$ 1,347FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 1,041AverageC$ 1,401FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Turkish AirlinesCheapestC$ 1,146AverageC$ 1,535FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Sofia?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Sofia with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Sofia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Sofia become cheaper?

Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl 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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