$522 Cheap Flights from Montreal (YUL) to Sofia (SOF)

View $522 flight on Sun, Nov 16, 2025Opens in a new window

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

Cheap Flights from Montreal to Sofia (YUL-SOF)

Prices were available within the past 7 days and start at $522 for one-way flights and $739 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Nov 23 - Sat, Dec 6
YUL
Montreal
SOF
Sofia
$739 Roundtrip, found 3 days ago
$739
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 23 from Montreal to Sofia, returning Sat, Dec 6, priced at $739 found 3 days ago
WestJet
Sun, Dec 7 - Sat, Dec 27
YUL
Montreal
SOF
Sofia
$774 Roundtrip, found 3 days ago
$774
Roundtrip
found 3 days ago
Select WestJet flight, departing Sun, Dec 7 from Montreal to Sofia, returning Sat, Dec 27, priced at $774 found 3 days ago
British Airways
Sun, Nov 16 - Sat, Dec 6
YUL
Montreal
SOF
Sofia
$775 Roundtrip, found 8 hours ago
$775
Roundtrip
found 8 hours ago
Select British Airways flight, departing Sun, Nov 16 from Montreal to Sofia, returning Sat, Dec 6, priced at $775 found 8 hours ago
British Airways
Sun, Nov 23 - Sat, Dec 6
YUL
Montreal
SOF
Sofia
$864 Roundtrip, found 3 days ago
$864
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 23 from Montreal to Sofia, returning Sat, Dec 6, priced at $864 found 3 days ago
Finnair
Tue, Jan 20 - Sat, Feb 14
YUL
Montreal
SOF
Sofia
$874 Roundtrip, found 6 days ago
$874
Roundtrip
found 6 days ago
Select Finnair flight, departing Tue, Jan 20 from Montreal to Sofia, returning Sat, Feb 14, priced at $874 found 6 days ago
British Airways
Tue, Jan 13 - Sat, Feb 7
YUL
Montreal
SOF
Sofia
$880 Roundtrip, found 1 day ago
$880
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Jan 13 from Montreal to Sofia, returning Sat, Feb 7, priced at $880 found 1 day ago
British Airways
Fri, Nov 14 - Sat, Dec 6
YUL
Montreal
SOF
Sofia
$880 Roundtrip, found 5 days ago
$880
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Nov 14 from Montreal to Sofia, returning Sat, Dec 6, priced at $880 found 5 days ago
British Airways
Sun, Nov 23 - Sat, Dec 6
YUL
Montreal
SOF
Sofia
$882 Roundtrip, found 3 days ago
$882
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Nov 23 from Montreal to Sofia, returning Sat, Dec 6, priced at $882 found 3 days ago
Air Canada
Mon, Jan 26 - Sat, Feb 21
YUL
Montreal
SOF
Sofia
$978 Roundtrip, found 1 day ago
$978
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Jan 26 from Montreal to Sofia, returning Sat, Feb 21, priced at $978 found 1 day ago
Turkish Airlines
Wed, Jan 14 - Sat, Feb 7
YUL
Montreal
SOF
Sofia
$1,003 Roundtrip, found 1 day ago
$1,003
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Wed, Jan 14 from Montreal to Sofia, returning Sat, Feb 7, priced at $1,003 found 1 day ago

Find the cheapest month to fly from Montreal (YUL) to Sofia (SOF)

November is typically the cheapest month to fly

From $644 - $1,453 per traveler.

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,265
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,265

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF) cost?
Secure a cheap one-way flight from $522 or cheap return flight from $739 from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF) 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF)?
Planning your trip for November can help you save, as it's the cheapest month for flights between YUL and SOF. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from YUL to SOF. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF)?
There are no daily direct flights departing from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from YUL to SOF?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF)?
To reach Sofia Airport (SOF) without delays, choose a flight that leaves from Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF) last-minute?
Holding off until just before your departure to book your flight from YUL to SOF often results in higher prices. While you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a YUL to SOF flight and hotel package?
Booking a YUL to SOF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sofia Airport (SOF)?
Typically, you can cancel or reschedule your YUL to SOF flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air Serbia, Austrian Airlines, British Airways, LOT-Polish Airlines, Lufthansa, Turkish Airlines
Roundtrip price
$738
Distance
4506 mi

Book with confidence

Montreal to Sofia Flights

The cheapest times to fly from Montreal to Sofia

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 Montreal to Sofia are during the month of November. You can find some of the cheapest flights from Montreal to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Sofia

Sunday is one of the best days to book for cheap flights from Montreal to Sofia: 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 Montreal to Sofia

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 Montreal to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $522 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 Montreal to Sofia 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 Montreal to Sofia 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.

 

Montreal to Sofia Flights

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*Available to One Key members.