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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia from C$ 400

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
11 Jul — 18 Jul1
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 11 June 2026.

Wed 2/911:00 p.m.
YUL
-
SOF
1 stop13h 20m
Multiple Airlines
Fri 16/106:55 p.m.
SOF
-
YUL
1 stop27h 25m
Multiple Airlines
Deal found 7/6C$ 1,137
Tue 7/72:45 p.m.
YUL
-
SOF
2 stops25h 50m
Multiple Airlines
Thu 16/77:00 a.m.
SOF
-
YUL
2 stops25h 52m
Multiple Airlines
Deal found 6/6C$ 1,139
Mon 21/911:45 p.m.
YUL
-
SOF
1 stop15h 55m
Multiple Airlines
Fri 16/106:30 p.m.
SOF
-
YUL
1 stop23h 35m
Multiple Airlines
Deal found 6/6C$ 1,140
Sun 6/911:00 p.m.
YUL
-
SOF
1 stop11h 05m
Multiple Airlines
Sun 13/910:30 a.m.
SOF
-
YUL
1 stop17h 30m
Multiple Airlines
Deal found 7/6C$ 1,144
Tue 15/911:45 p.m.
YUL
-
SOF
1 stop18h 50m
Multiple Airlines
Thu 29/104:50 p.m.
SOF
-
YUL
3 stops34h 05m
Multiple Airlines
Deal found 6/6C$ 1,146
Tue 8/96:45 a.m.
YUL
-
SOF
3 stops35h 30m
Multiple Airlines
Tue 22/911:25 p.m.
SOF
-
YUL
3 stops32h 00m
Multiple Airlines
Deal found 7/6C$ 1,150
Fri 4/911:40 p.m.
YUL
-
SOF
1 stop14h 45m
Multiple Airlines
Tue 15/911:25 p.m.
SOF
-
YUL
2 stops18h 15m
Multiple Airlines
Deal found 7/6C$ 1,151
Mon 7/911:45 p.m.
YUL
-
SOF
1 stop15h 55m
Multiple Airlines
Tue 15/911:25 p.m.
SOF
-
YUL
2 stops18h 15m
Multiple Airlines
Deal found 7/6C$ 1,153
Mon 5/1011:45 p.m.
YUL
-
SOF
1 stop15h 55m
Multiple Airlines
Mon 19/109:10 a.m.
SOF
-
YUL
2 stops19h 00m
Multiple Airlines
Deal found 6/6C$ 1,157
Wed 21/1011:40 p.m.
YUL
-
SOF
1 stop12h 25m
Multiple Airlines
Thu 19/116:05 a.m.
SOF
-
YUL
2 stops19h 35m
Multiple Airlines
Deal found 6/6C$ 1,158

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 11 June 2026.

Round-trip from

C$ 1,137

One-way from

C$ 400

Popular in

July

Cheapest in

April

Average price

C$ 1,576
2/9-16/10
  • 2/9-16/10
  • 2 total stops
  • 40h 45m total
  • Montreal to Sofia
Search Deals
8/9
  • 8/9
  • 3 total stops
  • 24h 30m total
  • Montreal to Sofia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 11 June 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

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

4:40 p.m.-10:20 a.m.

1 stop10h 40m

Sofia

Wed 28/10

6:00 a.m.-7:20 p.m.

1 stop19h 20m

C$ 1,192
Quickest round-trip

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

4:40 p.m.-10:20 a.m.

1 stop10h 40m

Sofia

Thu 22/10

11:05 a.m.-7:21 p.m.

2 stops15h 16m

C$ 1,199

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/10

2:10 p.m.-12:10 p.m.

2 stops15h 00m

Sofia

Wed 21/10

6:10 a.m.-6:52 p.m.

2 stops19h 42m

C$ 1,220

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

8:40 p.m.-6:40 p.m.

1 stop15h 00m

Sofia

Wed 14/10

6:10 a.m.-6:50 p.m.

1 stop19h 40m

C$ 1,357

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

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

1 stop14h 20m

Sofia

Sun 18/10

9:05 p.m.-9:50 a.m.

2 stops43h 45m

C$ 1,364

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

4:40 p.m.-12:10 p.m.

2 stops12h 30m

Sofia

Thu 15/10

11:05 a.m.-7:21 p.m.

2 stops15h 16m

C$ 1,391

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

8:40 p.m.-6:40 p.m.

1 stop15h 00m

Sofia

Sat 3/10

8:00 a.m.-1:50 p.m.

1 stop12h 50m

C$ 1,436

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

11:00 p.m.-7:30 p.m.

1 stop13h 30m

Sofia

Tue 28/7

8:20 p.m.-9:00 p.m.

1 stop31h 40m

C$ 1,483

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 18/7

11:45 p.m.-1:35 a.m.

1 stop18h 50m

Sofia

Sat 1/8

5:25 a.m.-5:20 p.m.

2 stops18h 55m

C$ 1,557

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

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

1 stop14h 20m

Sofia

Mon 24/8

8:10 p.m.-9:46 a.m.

2 stops44h 36m

C$ 1,636

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 1,157). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in July is currently the most expensive (average of C$ 1,705). 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?

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 11 June 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
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
931 reviews
Austrian Airlines
7.6
Good
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Turkish Airlines
7.4
Good
4,410 reviews
Austrian Airlines
7.6
Good
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Air Canada
7.1
Good
11,165 reviews
Austrian Airlines
7.6
Good
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
8,058 reviews
Austrian Airlines
7.6
Good
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
8,046 reviews
Austrian Airlines
7.6
Good
931 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 10h 40m. SWISS provides one of the quickest options available for as low as C$ 1,199. 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$ 953), Air Canada (C$ 989), and Austrian Airlines (C$ 1,054) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Sofia. British Airways is priced at 34% 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia (average of C$ 1,157). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in July is currently the most expensive (average of C$ 1,705). 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

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
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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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 953AverageC$ 1,252FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 989AverageC$ 1,515FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapestC$ 1,054AverageC$ 1,782FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapestC$ 1,061AverageC$ 1,498FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapestC$ 1,330AverageC$ 1,522FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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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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