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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SOF
6 Dec — 13 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Sofia are usually found in November or April, booked 23 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap 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 6 November 2025.
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 6 November 2025.
Sun 23/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Sat 6/129:45 p.m.SOF - YUL
2 stops28h 55mMultiple Airlines
Deal found 5/11C$ 819
Sun 16/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Fri 5/125:00 a.m.SOF - YUL
2 stops21h 40mMultiple Airlines
Deal found 5/11C$ 830
Sun 30/119:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Thu 11/128:00 p.m.SOF - YUL
1 stop30h 40mMultiple Airlines
Deal found 5/11C$ 848
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Tue 9/128:25 p.m.SOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 5/11C$ 850
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Thu 11/128:00 p.m.SOF - YUL
1 stop30h 40mMultiple Airlines
Deal found 5/11C$ 879
Sun 30/119:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Sat 13/127:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 5/11C$ 888
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Sat 13/127:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 5/11C$ 920
Best flights from Montreal to Sofia
Discover carefully curated flight deals from Montreal to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 6 November 2025.
Fri 9/19:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Sat 17/17:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 3/11C$ 799
Tue 2/128:40 p.m.YUL - SOF
1 stop16h 30mBritish Airways
Wed 10/129:00 p.m.SOF - YUL
1 stop28h 45mBritish Airways
Deal found 5/11C$ 975
Sun 30/119:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Tue 9/128:25 p.m.SOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 5/11C$ 819
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Thu 11/128:00 p.m.SOF - YUL
1 stop30h 40mMultiple Airlines
Deal found 5/11C$ 879
Fri 28/118:30 p.m.YUL - SOF
1 stop33h 30mBritish Airways
Wed 10/129:00 p.m.SOF - YUL
1 stop28h 45mBritish Airways
Deal found 5/11C$ 1,035
Sun 16/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Fri 5/121:35 p.m.SOF - YUL
1 stop30h 05mMultiple Airlines
Deal found 4/11C$ 908
Tue 2/128:40 p.m.YUL - SOF
1 stop16h 30mBritish Airways
Sat 13/1212:05 p.m.SOF - YUL
1 stop13h 40mBritish Airways
Deal found 5/11C$ 1,086
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Sat 13/127:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 5/11C$ 920
Sun 23/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Sun 30/116:05 a.m.SOF - YUL
2 stops20h 35mMultiple Airlines
Deal found 4/11C$ 1,046
Thu 4/128:10 p.m.YUL - SOF
1 stop16h 55mMultiple Airlines
Mon 19/112:00 p.m.SOF - YUL
1 stop31h 40mMultiple Airlines
Deal found 4/11C$ 1,046
Wed 3/129:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Sun 14/129:35 a.m.SOF - YUL
1 stop15h 15mMultiple Airlines
Deal found 5/11C$ 1,090
Last-minute flights from Montreal to Sofia
Discover last-minute flight deals from Montreal to Sofia. Data last updated 6 November 2025 and is based on user searches.
Sun 16/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Fri 5/125:00 a.m.SOF - YUL
2 stops21h 40mMultiple Airlines
Deal found 5/11C$ 830
Sun 23/119:40 p.m.YUL - SOF
1 stop15h 25mMultiple Airlines
Sat 6/129:45 p.m.SOF - YUL
2 stops28h 55mMultiple Airlines
Deal found 5/11C$ 819
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Tue 9/128:25 p.m.SOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 5/11C$ 850
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Thu 11/128:00 p.m.SOF - YUL
1 stop30h 40mMultiple Airlines
Deal found 5/11C$ 879
Fri 28/119:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Sat 13/127:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 5/11C$ 920
Sun 30/119:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Thu 11/128:00 p.m.SOF - YUL
1 stop30h 40mMultiple Airlines
Deal found 5/11C$ 848
Sun 30/119:40 p.m.YUL - SOF
1 stop14h 30mMultiple Airlines
Sat 13/127:45 p.m.SOF - YUL
1 stop30h 55mMultiple Airlines
Deal found 5/11C$ 888
One-way flights from Montreal to Sofia
Search for one-way flight options from Montreal to Sofia. Find affordable one-way fares based on user searches. Data last updated 6 November 2025.
Fri 9/19:40 p.m.YUL - SOF
1 stop14h 20mMultiple Airlines
Deal found 3/11C$ 463
Sun 11/19:40 p.m.YUL - SOF
2 stops19h 15mMultiple Airlines
Deal found 6/11C$ 481
Sat 10/19:05 p.m.YUL - SOF
3 stops31h 45mMultiple Airlines
Deal found 6/11C$ 551
Fri 12/124:00 p.m.YUL - SOF
3 stops25h 25mMultiple Airlines
Deal found 6/11C$ 692
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 6 November 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 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$ 799
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Sun 30/11
9:40 p.m.-7:10 p.m.
1 stop14h 30m
Sofia
Tue 9/12
8:25 p.m.-7:40 p.m.
1 stop30h 15m
C$ 819
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
9:40 p.m.-7:00 p.m.
1 stop14h 20m
Sofia
Thu 11/12
8:00 p.m.-7:40 p.m.
1 stop30h 40m
C$ 879
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Sun 16/11
9:40 p.m.-8:05 p.m.
1 stop15h 25m
Sofia
Fri 5/12
1:35 p.m.-12:40 p.m.
1 stop30h 05m
C$ 908
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
9:40 p.m.-7:00 p.m.
1 stop14h 20m
Sofia
Sat 13/12
7:45 p.m.-7:40 p.m.
1 stop30h 55m
C$ 920
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Tue 2/12
8:40 p.m.-8:10 p.m.
1 stop16h 30m
Sofia
Wed 10/12
9:00 p.m.-6:45 p.m.
1 stop28h 45m
C$ 975
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Fri 28/11
8:30 p.m.-1:00 p.m.
1 stop33h 30m
Sofia
Wed 10/12
9:00 p.m.-6:45 p.m.
1 stop28h 45m
C$ 1,035
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Sun 23/11
9:40 p.m.-8:05 p.m.
1 stop15h 25m
Sofia
Sun 30/11
6:05 a.m.-7:40 p.m.
2 stops20h 35m
C$ 1,046
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Thu 4/12
8:10 p.m.-8:05 p.m.
1 stop16h 55m
Sofia
Mon 19/1
12:00 p.m.-12:40 p.m.
1 stop31h 40m
C$ 1,046
MontrealSofia
YUL - SOF
YULSOF
Montreal Pierre Elliott Trudeau Intl
Tue 2/12
8:40 p.m.-8:10 p.m.
1 stop16h 30m
Sofia
Sat 13/12
12:05 p.m.-6:45 p.m.
1 stop13h 40m
C$ 1,086
Flights are sorted by cheapest round-trip flights first.
Deals found on 3/11
Showing 1-10 of 14 results
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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 31 October 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$ 960). Flying from Montreal to Sofia in December is currently the most expensive (average of C$ 1,350). 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 29% 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$ 1,075.
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 6 November 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.
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.
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.
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.
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.
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.
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.
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$ 965 on this airline. Additional options worth looking into are Austrian Airlines and Air Canada, starting at C$ 1,033 and C$ 1,065 round-trip. British Airways is currently priced 37% below the average price you’ll pay for this route.
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$ 960). Flying from Montreal to Sofia in December is currently the most expensive (average of C$ 1,350). 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.
Browse through other flights departing from Montreal. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
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 6 November 2025.
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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