$407 Cheap Flights from Sofia (SOF) to Montreal (YUL)

View $407 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Sofia to Montreal (SOF-YUL)

Prices were available within the past 7 days and start at $407 for one-way flights and $629 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Jun 10 - Tue, Jun 16
SOF
Sofia
YUL
Montreal
$629 Roundtrip, found 2 days ago
$629
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Jun 10 from Sofia to Montreal, returning Tue, Jun 16, priced at $629 found 2 days ago
British Airways
Fri, Oct 24 - Sun, Nov 9
SOF
Sofia
YUL
Montreal
$630 Roundtrip, found 2 days ago
$630
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Oct 24 from Sofia to Montreal, returning Sun, Nov 9, priced at $630 found 2 days ago
American Airlines
Wed, Jun 10 - Tue, Jun 16
SOF
Sofia
YUL
Montreal
$692 Roundtrip, found 2 days ago
$692
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jun 10 from Sofia to Montreal, returning Tue, Jun 16, priced at $692 found 2 days ago
American Airlines
Wed, Jun 10 - Tue, Jun 16
SOF
Sofia
YUL
Montreal
$693 Roundtrip, found 2 days ago
$693
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jun 10 from Sofia to Montreal, returning Tue, Jun 16, priced at $693 found 2 days ago
Lufthansa
Fri, Oct 24 - Sun, Nov 9
SOF
Sofia
YUL
Montreal
$708 Roundtrip, found 2 days ago
$708
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Oct 24 from Sofia to Montreal, returning Sun, Nov 9, priced at $708 found 2 days ago
Lufthansa
Fri, Oct 24 - Sun, Nov 9
SOF
Sofia
YUL
Montreal
$710 Roundtrip, found 2 days ago
$710
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Oct 24 from Sofia to Montreal, returning Sun, Nov 9, priced at $710 found 2 days ago
Air Canada
Tue, Dec 2 - Tue, Dec 9
SOF
Sofia
YUL
Montreal
$712 Roundtrip, found 5 days ago
$712
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Dec 2 from Sofia to Montreal, returning Tue, Dec 9, priced at $712 found 5 days ago
Lufthansa
Wed, Jun 10 - Tue, Jun 16
SOF
Sofia
YUL
Montreal
$714 Roundtrip, found 2 days ago
$714
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jun 10 from Sofia to Montreal, returning Tue, Jun 16, priced at $714 found 2 days ago
Air Canada
Fri, Jan 16 - Mon, Jun 8
SOF
Sofia
YUL
Montreal
$715 Roundtrip, found 6 days ago
$715
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Jan 16 from Sofia to Montreal, returning Mon, Jun 8, priced at $715 found 6 days ago
Austrian Airlines
Mon, Oct 6 - Wed, Oct 22
SOF
Sofia
YUL
Montreal
$761 Roundtrip, found 13 hours ago
$761
Roundtrip
found 13 hours ago
Select Austrian Airlines flight, departing Mon, Oct 6 from Sofia to Montreal, returning Wed, Oct 22, priced at $761 found 13 hours ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Snag a cheap one-way flight from $407 or cheap return flight from $629 from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
June is the cheapest month to fly from SOF to YUL. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To find the cheapest airline that'll fly you from SOF to YUL, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
There aren't any daily direct flights available from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SOF to YUL?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Last-minute bookings from SOF to YUL are usually more expensive. To lock in the lowest rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap fare right before you leave.
Is it cheaper to book a SOF to YUL flight and hotel package?
You can save money by securing a SOF to YUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After choosing your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Generally, it's possible to reschedule or cancel your SOF to YUL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Sofia
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$628
Distance
4506 mi

Book with confidence

Book with confidence

Sofia to Montreal Flights

The cheapest times to fly from Sofia to Montreal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sofia to Montreal are during the month of June. You can find some of the cheapest flights from Sofia to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Montreal

Sunday is one of the best days to book for cheap flights from Sofia to Montreal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sofia to Montreal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sofia to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $407 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sofia to Montreal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sofia to Montreal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sofia to Montreal Flights

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*Available to One Key members.