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Cheap flights from Montreal to Sofia from C$ 434

YMQ — SOF
18 Sep — 25 Sep1
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

Wed 30/910:45 p.m. -
2 stops19h 40m
Wed 21/105:15 p.m. -
2 stops34h 55m
Deal found 14/8C$ 802
Sun 15/118:20 p.m. -
1 stop20h 15m
Sat 21/114:50 p.m. -
2 stops29h 20m
Deal found 15/8C$ 851
Tue 29/911:45 p.m. -
1 stop18h 50m
Tue 13/106:45 p.m. -
1 stop29h 35m
Deal found 16/8C$ 852
Thu 1/1010:45 p.m. -
2 stops19h 50m
Sun 11/106:45 p.m. -
2 stops33h 25m
Deal found 17/8C$ 862
Tue 8/96:25 p.m. -
2 stops24h 10m
Tue 22/911:25 p.m. -
1 stop22h 05m
Deal found 19/8C$ 897
Sun 27/911:45 p.m. -
1 stop18h 50m
Sun 18/106:55 a.m. -
1 stop17h 25m
Deal found 14/8C$ 923
Sat 19/910:05 p.m. -
1 stop31h 20m
Wed 7/106:00 a.m. -
2 stops20h 20m
Deal found 16/8C$ 933
Sun 27/97:00 p.m. -
1 stop33h 30m
Fri 23/106:30 p.m. -
1 stop23h 35m
Deal found 14/8C$ 941

Find flight deals from Montreal to Sofia

Round-trip from

C$ 802

One-way from

C$ 434

Popular in

April

Cheapest in

March

Average price

C$ 1,584
30/9-21/10
  • 30/9-21/10
  • 4 total stops
  • 54h 35m total
  • Montreal to Sofia
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1/10
  • 1/10
  • 1 total stop
  • 20h 10m total
  • Montreal to Sofia
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

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Price

Cheapest round-trip
Quickest round-trip

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

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

1 stop15h 30m

Sofia

Wed 18/11

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

1 stop29h 10m

C$ 1,036

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop15h 10m

Sofia

Wed 7/10

9:25 p.m.-8:15 p.m.

1 stop29h 50m

C$ 1,036

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

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

1 stop15h 30m

Sofia

Sun 18/10

9:05 p.m.-9:52 a.m.

2 stops43h 47m

C$ 1,074

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

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

1 stop32h 25m

Sofia

Mon 19/10

8:10 p.m.-9:52 a.m.

2 stops44h 42m

C$ 1,074

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 26/12

9:05 p.m.-6:35 p.m.

1 stop14h 30m

Sofia

Mon 11/1

5:15 p.m.-7:15 p.m.

1 stop33h 00m

C$ 1,087

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

10:00 p.m.-7:20 p.m.

1 stop14h 20m

Sofia

Mon 19/10

8:10 p.m.-8:15 p.m.

1 stop31h 05m

C$ 1,120

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

8:05 p.m.-8:45 a.m.

1 stop29h 40m

Sofia

Wed 28/10

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

1 stop15h 20m

C$ 1,240

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

7:55 p.m.-11:05 a.m.

1 stop32h 10m

Sofia

Wed 18/11

9:45 p.m.-6:00 p.m.

1 stop27h 15m

C$ 1,240
Cheapest one-way
Quickest one-way

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

8:25 p.m.-11:35 p.m.

1 stop20h 10m

C$ 434

MontrealSofia

YUL Montreal Pierre Elliott Trudeau Intl - SOF Sofia

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

7:00 p.m.-11:50 a.m.

2 stops33h 50m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 14 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$ 1,258). Flying from Montreal to Sofia in July is currently the most expensive (average of C$ 1,681). 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$ 1,215 and C$ 1,736 in September.
The cheapest round-trip price found within the last 5 days was C$ 802 on Multiple Airlines (30 Sep-21 Oct).

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

Istanbul (IST) – chosen by Cheapflights users on 34% 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$ 1,359.

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 47m.

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

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 2h 03m.

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

Booking 22 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
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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
949 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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
4,477 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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
11,501 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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
8,199 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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
8,181 reviews
Austrian Airlines
7.6
Good
949 reviews
Check prices

Entertainment

6.8

Comfort

7.3

Food

6.8

Crew

8.1

Overall

7.6

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.

  • 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$ 979 on this airline. Additional options worth looking into are Air Canada and Austrian Airlines, starting at C$ 985 and C$ 1,050 round-trip. British Airways is currently priced 34% 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$ 1,258). Flying from Montreal to Sofia in July is currently the most expensive (average of C$ 1,681). 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
British AirwaysCheapestC$ 979AverageC$ 1,261FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 985AverageC$ 1,589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 1,050AverageC$ 1,774FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,056AverageC$ 1,584FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,075AverageC$ 1,516FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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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.

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