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Cheap flights from Montreal to Sofia from C$ 434

YMQ — SOF
18 Oct — 25 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Sofia

Sat 5/126:30 p.m. -
1 stop19h 40m
Sat 12/1210:10 p.m. -
1 stop21h 20m
Deal found 13/9C$ 809
Tue 6/106:05 p.m. -
2 stops24h 30m
Tue 20/1011:25 p.m. -
2 stops22h 35m
Deal found 17/9C$ 869
Mon 5/1010:10 a.m. -
2 stops31h 55m
Mon 19/105:25 p.m. -
2 stops25h 35m
Deal found 17/9C$ 877
Mon 19/1011:45 p.m. -
1 stop15h 55m
Sat 7/1110:10 p.m. -
1 stop21h 20m
Deal found 17/9C$ 912
Mon 19/1011:45 p.m. -
1 stop15h 55m
Tue 10/118:20 p.m. -
2 stops30h 20m
Deal found 17/9C$ 930
Fri 16/108:25 p.m. -
1 stop14h 20m
Tue 10/118:20 p.m. -
2 stops30h 20m
Deal found 17/9C$ 933
Tue 6/1011:10 a.m. -
3 stops32h 50m
Mon 19/105:25 p.m. -
2 stops25h 35m
Deal found 17/9C$ 937
Tue 20/1010:00 p.m. -
1 stop15h 30m
Fri 13/118:30 p.m. -
1 stop29h 45m
Deal found 17/9C$ 944
Thu 5/119:15 p.m. -
1 stop15h 05m
Wed 18/119:05 p.m. -
1 stop29h 10m
Deal found 17/9C$ 946
Tue 20/1011:45 p.m. -
1 stop14h 30m
Sat 7/117:00 p.m. -
2 stops31h 40m
Deal found 17/9C$ 950
Thu 5/118:20 p.m. -
1 stop20h 15m
Fri 20/114:05 p.m. -
3 stops30h 05m
Deal found 14/9C$ 953

Find flight deals from Montreal to Sofia

Round-trip from

C$ 809

One-way from

C$ 434

Popular in

April

Cheapest in

March

Average price

C$ 1,316
5/12-12/12
  • 5/12-12/12
  • 2 total stops
  • 41h 00m total
  • Montreal to Sofia
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30/10-31/12
  • 30/10-31/12
  • 1 total stop
  • 20h 00m total
  • Montreal to Sofia
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Montreal to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 30/10

11:10 p.m.-1:10 a.m.

1 stop20h 00m

Sofia

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 434

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

8:25 p.m.-11:10 p.m.

2 stops43h 45m

Sofia

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 441

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 15/3

9:15 p.m.-11:20 a.m.

2 stops32h 05m

Sofia

Wed 31/12

12:00 a.m.-5:00 p.m.

Nonstop0h 00m

C$ 659

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

9:15 p.m.-7:20 p.m.

1 stop15h 05m

Sofia

Wed 18/11

9:05 p.m.-7:15 p.m.

1 stop29h 10m

C$ 946

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

4:40 p.m.-11:35 p.m.

2 stops23h 55m

Sofia

Tue 20/10

2:30 p.m.-3:00 p.m.

2 stops31h 30m

C$ 1,038

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

9:25 p.m.-3:00 a.m.

2 stops22h 35m

Sofia

Wed 18/11

4:00 p.m.-3:40 p.m.

2 stops30h 40m

C$ 1,080

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

10:00 p.m.-1:25 p.m.

1 stop32h 25m

Sofia

Wed 28/10

9:05 p.m.-12:35 a.m.

2 stops33h 30m

C$ 1,158

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

10:32 a.m.-8:10 p.m.

2 stops27h 38m

Sofia

Sun 1/11

7:45 p.m.-7:15 p.m.

1 stop30h 30m

C$ 1,164

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

5:00 p.m.-1:25 p.m.

2 stops37h 25m

Sofia

Sun 8/11

7:45 p.m.-12:35 a.m.

2 stops35h 50m

C$ 1,167

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

10:00 p.m.-8:30 p.m.

1 stop15h 30m

Sofia

Wed 28/10

9:05 p.m.-8:15 p.m.

1 stop29h 10m

C$ 1,190

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 12 resultsSorted by cheapest first
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

Cheapflights Insights

Everything you need to know about your flight from Montreal to Sofia

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

Currently, March is the cheapest month in which you can book a flight from Montreal to Sofia (average of C$ 1,276). Flying from Montreal to Sofia in July is currently the most expensive (average of C$ 1,694). 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?

Airfare is below average for this route at the moment.
Montreal to Sofia flights typically cost between C$ 1,220 and C$ 1,418 in December.
The cheapest round-trip price found within the last 5 days was C$ 809 on Multiple Airlines (5 Dec-12 Dec).

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

Istanbul (IST) – chosen by Cheapflights users on 39% of one-stop itineraries from Montreal to Sofia on Cheapflights.

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

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of C$ 1,309.

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

Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 11h 18m.

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

Flights via Vienna (VIE) offer the fastest connection on this route, with an average layover time of 2h 07m.

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

Booking 20 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.

Reviews of airlines servicing Sofia

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
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
Austrian Airlines
7.6
Good
962 reviews
Austrian Airlines
7.6
Good
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
Turkish Airlines
7.4
Good
4,464 reviews
Austrian Airlines
7.6
Good
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
Air Canada
7.1
Good
11,653 reviews
Austrian Airlines
7.6
Good
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
Lufthansa
6.8
Okay
8,233 reviews
Austrian Airlines
7.6
Good
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
British Airways
6.7
Okay
8,229 reviews
Austrian Airlines
7.6
Good
962 reviews
Check prices

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Edward,Jul 2026

YUL - VIE

I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.

Related info for your journey

  • 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 15h 05m. 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 Air Canada. Our recent data shows that you can find tickets from as low as C$ 992 on this airline. Additional options worth looking into are British Airways and Austrian Airlines, starting at C$ 1,011 and C$ 1,058 round-trip. Air Canada is currently priced 33% 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, March is the cheapest month in which you can book a flight from Montreal to Sofia (average of C$ 1,276). Flying from Montreal to Sofia in July is currently the most expensive (average of C$ 1,694). 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

Alternative routes for Montreal to Sofia

Pierre Elliott Trudeau Intl to Sofia flights
Québec City to Sofia flights
Ottawa to Sofia flights

Top 5 airlines flying from Montreal to Sofia

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 992AverageC$ 1,627FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapestC$ 1,011AverageC$ 1,271FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Austrian AirlinesCheapestC$ 1,058AverageC$ 1,788FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,065AverageC$ 1,596FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,083AverageC$ 1,498FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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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.

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