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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia from C$ 433

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Sofia

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Sofia
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 July 2026.

Tue 22/98:05 p.m.
YUL
-
SOF
1 stop11h 55m
Turkish Airlines
Tue 13/109:35 a.m.
SOF
-
YUL
1 stop15h 35m
Turkish Airlines
Deal found 27/7C$ 1,093
Thu 24/910:05 p.m.
YUL
-
SOF
1 stop19h 55m
Multiple Airlines
Wed 30/99:05 p.m.
SOF
-
YUL
1 stop25h 15m
Multiple Airlines
Deal found 27/7C$ 1,095
Wed 26/82:05 p.m.
YUL
-
SOF
2 stops22h 00m
Multiple Airlines
Wed 16/99:40 p.m.
SOF
-
YUL
3 stops33h 45m
Multiple Airlines
Deal found 27/7C$ 1,096
Sun 30/811:00 p.m.
YUL
-
SOF
1 stop11h 05m
Multiple Airlines
Mon 14/96:30 a.m.
SOF
-
YUL
2 stops21h 30m
Multiple Airlines
Deal found 26/7C$ 1,098
Sat 29/86:00 p.m.
YUL
-
SOF
2 stops22h 35m
Multiple Airlines
Thu 10/97:00 a.m.
SOF
-
YUL
1 stop15h 20m
Multiple Airlines
Deal found 24/7C$ 1,099
Tue 11/811:00 p.m.
YUL
-
SOF
1 stop12h 45m
Multiple Airlines
Wed 26/812:40 p.m.
SOF
-
YUL
2 stops29h 55m
Multiple Airlines
Deal found 25/7C$ 1,102
Thu 27/811:50 p.m.
YUL
-
SOF
2 stops16h 45m
Multiple Airlines
Sun 13/910:30 a.m.
SOF
-
YUL
1 stop17h 30m
Multiple Airlines
Deal found 24/7C$ 1,103
Sun 30/811:00 p.m.
YUL
-
SOF
1 stop11h 05m
Multiple Airlines
Thu 10/98:10 p.m.
SOF
-
YUL
1 stop22h 25m
Multiple Airlines
Deal found 24/7C$ 1,106
Mon 24/88:25 p.m.
YUL
-
SOF
1 stop16h 05m
Multiple Airlines
Tue 15/97:00 a.m.
SOF
-
YUL
1 stop15h 20m
Multiple Airlines
Deal found 24/7C$ 1,108
Mon 31/88:25 p.m.
YUL
-
SOF
1 stop16h 05m
Multiple Airlines
Fri 18/911:40 a.m.
SOF
-
YUL
2 stops30h 25m
Multiple Airlines
Deal found 25/7C$ 1,109
Sat 19/910:00 p.m.
YUL
-
SOF
1 stop15h 10m
British Airways
Fri 2/102:15 p.m.
SOF
-
YUL
2 stops26h 34m
British Airways
Deal found 28/7C$ 1,110

Find flight deals from Pierre Elliott Trudeau Intl to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 28 July 2026.

Round-trip from

C$ 1,093

One-way from

C$ 433

Popular in

July

Cheapest in

November

Average price

C$ 1,726
Turkish Airlines
  • Turkish Airlines
  • 22/9-13/10
  • 2 total stops
  • 27h 30m total
  • Montreal to Sofia
Search Deals
23/9
  • 23/9
  • 2 total stops
  • 47h 00m total
  • Montreal to Sofia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 307 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 28 July 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

8:05 p.m.-8:20 p.m.

1 stop17h 15m

Sofia

Tue 13/10

9:35 a.m.-6:10 p.m.

1 stop15h 35m

C$ 1,093

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

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

1 stop32h 25m

Sofia

Wed 21/10

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

1 stop29h 50m

C$ 1,095

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

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

1 stop32h 25m

Sofia

Fri 2/10

2:15 p.m.-9:49 a.m.

2 stops50h 34m

C$ 1,106

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

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

2 stops27h 00m

Sofia

Fri 2/10

2:15 p.m.-9:49 a.m.

2 stops26h 34m

C$ 1,140

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

5:00 p.m.-8:30 p.m.

2 stops20h 30m

Sofia

Wed 18/11

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

1 stop29h 10m

C$ 1,253

MontrealSofia

YUL - SOF

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$ 1,254
Cheapest one-way

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

7:00 p.m.-11:10 a.m.

2 stops33h 10m

C$ 433

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

7:00 p.m.-1:00 a.m.

2 stops47h 00m

C$ 433
Quickest one-way

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

11:00 p.m.-9:45 a.m.

1 stop27h 45m

C$ 487

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 8/8

11:00 p.m.-11:35 p.m.

3 stops41h 35m

C$ 530

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Sorted by cheapest first

Best time to book a flight from Pierre Elliott Trudeau Intl to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sofia

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 1,085). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in July is currently the most expensive (average of C$ 1,726). 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 Pierre Elliott Trudeau Intl Airport to Sofia?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Sofia flights typically cost between C$ 1,572 and C$ 1,812 in September.
The cheapest round-trip price found within the last 5 days was C$ 1,093 on Turkish Airlines (22 Sep-13 Oct).

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 28 July 2026.
See what other customers who have flown with Austrian Airlines,Turkish Airlines, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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
950 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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
4,455 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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
11,404 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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
8,164 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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
8,129 reviews
Austrian Airlines
7.6
Good
950 reviews
Check prices

Overall

7.6

Food

6.8

Entertainment

6.8

Crew

8.1

Boarding

7.6

Comfort

7.3

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

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl?

    Sofia (SOF), located 6.7 km from the city centre, is the airport you fly into when you book flights from Montreal Pierre Elliott Trudeau Intl to Sofia. 5 airlines have flights to Sofia from Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Montreal Pierre Elliott Trudeau Intl to Sofia should not be difficult; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia can take about 17h 15m. Turkish Airlines provides one of the quickest options available for as low as C$ 1,093. Airlines will cover a distance of 7247 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia round-trip?

    According to our current data, British Airways (C$ 965), Air Canada (C$ 1,001), and Austrian Airlines (C$ 1,067) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Sofia. British Airways is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Sofia that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Sofia.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Sofia?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 1,085). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in July is currently the most expensive (average of C$ 1,726). 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

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Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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Top 5 airlines flying from Pierre Elliott Trudeau Intl to Sofia

Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl 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 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 965AverageC$ 1,262FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 1,001AverageC$ 1,615FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 1,067AverageC$ 1,804FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,074AverageC$ 1,610FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,092AverageC$ 1,541FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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 Pierre Elliott Trudeau Intl to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Sofia?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Sofia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Sofia with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Sofia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Sofia become cheaper?

Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl 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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