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$310+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Sofia (SOF)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Sofia are usually found in January or February, booked 42 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap 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 September 11, 2025.

Round-trip from

$694
(Austrian Airlines)

One-way from

$310
(French Bee)

Popular in

December

Cheapest in

January

Average price

$1,147
From Montreal Pierre Elliott Trudeau Intl to Sofia
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Sofia
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Highest demand for flights based on searches. 1% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Pierre Elliott Trudeau Intl to Sofia

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 September 11, 2025.

This Austrian Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:55 pmYUL - SOF
2 stops16h 15mAustrian Airlines
Wed 12/312:35 pmSOF - YUL
1 stop32h 10mAustrian Airlines
Deal found 9/11$694
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:00 pmYUL - SOF
1 stop27h 45mMultiple Airlines
Tue 9/308:10 pmSOF - YUL
1 stop31h 50mMultiple Airlines
Deal found 9/10$706
This Lufthansa deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:40 pmYUL - SOF
1 stop19h 20mLufthansa
Wed 12/36:05 amSOF - YUL
1 stop19h 15mLufthansa
Deal found 9/11$719
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:15 amYUL - SOF
2 stops19h 25mUnited Airlines
Tue 12/27:55 amSOF - YUL
2 stops18h 53mUnited Airlines
Deal found 9/11$725
This Lufthansa deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:40 pmYUL - SOF
1 stop19h 20mLufthansa
Thu 12/46:00 amSOF - YUL
1 stop13h 00mLufthansa
Deal found 9/11$727
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:10 pmYUL - SOF
1 stop15h 10mAir Canada
Sat 11/156:25 amSOF - YUL
2 stops19h 57mAir Canada
Deal found 9/10$733
This Connections by easyJet deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:40 pmYUL - SOF
1 stop14h 20mMultiple Airlines
Tue 1/138:25 pmSOF - YUL
1 stop30h 15mMultiple Airlines
Deal found 9/10$734
This Lufthansa deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:40 pmYUL - SOF
1 stop19h 20mLufthansa
Fri 12/56:10 amSOF - YUL
2 stops16h 50mLufthansa
Deal found 9/11$757
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:05 pmYUL - SOF
1 stop15h 15mBritish Airways
Mon 12/15:25 pmSOF - YUL
1 stop32h 20mBritish Airways
Deal found 9/11$815
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:05 pmYUL - SOF
1 stop15h 15mBritish Airways
Wed 12/39:00 pmSOF - YUL
1 stop28h 45mBritish Airways
Deal found 9/11$851
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:59 pmYUL - SOF
2 stops20h 21mAmerican Airlines
Sat 11/1512:05 pmSOF - YUL
2 stops41h 35mAmerican Airlines
Deal found 9/10$861

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 2,558,603 searches. Data last updated September 11, 2025.
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

Pierre Elliott Trudeau Intl

Fly to

Sofia

Route

Depart

Return

Price

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

6:55 pm-6:10 pm

2 stops16h 15m

Sofia

Wed 12/3

12:35 pm-5:22 pm

2 stops35h 47m

$700

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

8:40 pm-11:00 pm

1 stop19h 20m

Sofia

Wed 12/3

6:05 am-6:20 pm

1 stop19h 15m

$719

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

8:10 pm-1:10 pm

1 stop10h 00m

Sofia

Sat 11/15

2:00 pm-6:20 pm

1 stop11h 20m

$719

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 3/10

5:45 pm-6:20 pm

2 stops18h 35m

Sofia

Mon 3/30

3:30 pm-3:00 pm

1 stop30h 30m

$724

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

9:15 am-11:40 am

2 stops19h 25m

Sofia

Tue 12/2

7:55 am-7:48 pm

2 stops18h 53m

$725

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

8:20 am-11:40 am

2 stops20h 20m

Sofia

Mon 12/1

7:55 am-7:48 pm

2 stops18h 53m

$725

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

8:40 pm-11:00 pm

1 stop19h 20m

Sofia

Fri 12/5

6:10 am-12:00 pm

1 stop12h 50m

$727

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

8:40 pm-11:00 pm

1 stop19h 20m

Sofia

Thu 12/4

6:00 am-12:00 pm

1 stop13h 00m

$727

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 12/26

9:40 pm-7:00 pm

1 stop14h 20m

Sofia

Tue 1/13

8:25 pm-7:40 pm

1 stop30h 15m

$734

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 3/10

5:45 pm-1:15 pm

2 stops13h 30m

Sofia

Wed 4/1

10:50 am-2:35 pm

2 stops34h 45m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
1
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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?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Sofia. Price data was last updated on August 29, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport 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 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 $632). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in June is currently the most expensive (average of $1,185). 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.

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 September 11, 2025.
Get a feel of what it's like to fly with Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
8.0
Excellent

Graeme,Sep 2025

YWG - YVR

Why not start boarding from the higher seat numbers? Easier movement for everyone. Easier to put baggage in over head lockers. Unable to get a coffee due to air turbulence, but not offered the chance to have a coffee once it had ceased.

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?

    If you book a flight to Sofia from Montreal Pierre Elliott Trudeau Intl, you will be flying to Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia. There are 0 flights from Montreal Pierre Elliott Trudeau Intl to Sofia per day from 1 airline.

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

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in 10h. Fly via Austrian Airlines, Lufthansa, or Air Canada to get the fastest option. Airlines will cover a distance of 4503 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia round-trip?

    Air Canada, at $822, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Sofia.. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia for 24% less than the average price by searching for this airline.

  • 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 $632). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in June is currently the most expensive (average of $1,185). 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

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Top airline flying from Pierre Elliott Trudeau Intl to Sofia

Discover the top airline 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$822Average$1,101FlexibilityNo cancel feeOn-time67%

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