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

British Airways, at $791, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Sofia.Alternate airlines to your destination round-trip include American Airlines and SWISS. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia for 27% less than the average price by searching for these airlines.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Sofia flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

November is one of the best times of the year to fly to Sofia from Montreal Pierre Elliott Trudeau Intl Airport. Prices for November average $1,114 per person but you can even find prices for as low as $769. The most expensive prices can be found in the month of December. Opting for a November flight can save you 45% on your journey compared to booking in December

What is the cheapest time of day to fly from YUL to SOF?

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia at noon. If you’re flexible enough to do this you can expect to save up to 1% on your trip compared to booking a flight in the morning.

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.

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.

$328+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia

Q: What is the cheapest day to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Sofia. Check prices with Cheapflights to find a great deal for your trip.

Q: How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

Travelers have found it’s best to book a flight 24 days in advance to save up to 3% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia 1-2 weeks in advance for as low as $785, or $1,299 for flights within the next 24 hours.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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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

Round-trip from	$791 (British Airways)
One-way from	$328 (Connections by easyJet)
Popular in	December
Cheapest in	January
Average price	$1,117

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 ($20 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Tue 9/2310:10 pmYUL - SOF

1 stop15h 30mBritish Airways

Wed 10/19:30 pmSOF - YUL

1 stop29h 45mBritish Airways

Deal found 7/2

$791

Tue 8/191:10 pmYUL - SOF

3 stops28h 20mMultiple Airlines

Tue 8/268:05 pmSOF - YUL

2 stops31h 55mMultiple Airlines

Deal found 7/3

$817

Wed 7/1610:10 pmYUL - SOF

1 stop32h 20mAmerican Airlines

Mon 7/218:00 pmSOF - YUL

2 stops33h 50mAmerican Airlines

Deal found 7/2

$960

Tue 9/234:40 pmYUL - SOF

1 stop10h 25mSWISS

Thu 10/210:50 amSOF - YUL

2 stops17h 03mSWISS

Deal found 7/1

$963

Wed 9/246:35 pmYUL - SOF

1 stop22h 20mAustrian Airlines

Tue 9/304:05 pmSOF - YUL

1 stop28h 45mAustrian Airlines

Deal found 7/1

$975

Tue 9/232:10 pmYUL - SOF

2 stops14h 50mLufthansa

Wed 10/112:45 pmSOF - YUL

1 stop15h 15mLufthansa

Deal found 7/1

$976

Best flights from Pierre Elliott Trudeau Intl to Sofia
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Tue 9/2310:10 pmYUL - SOF

1 stop15h 30mBritish Airways

Sun 10/59:10 pmSOF - YUL

1 stop30h 05mBritish Airways

Deal found 7/2

$791

Tue 8/191:10 pmYUL - SOF

3 stops28h 20mMultiple Airlines

Tue 8/268:05 pmSOF - YUL

2 stops31h 55mMultiple Airlines

Deal found 7/3

$817

Wed 7/1610:10 pmYUL - SOF

1 stop32h 20mAmerican Airlines

Mon 7/218:00 pmSOF - YUL

2 stops33h 50mAmerican Airlines

Deal found 7/2

$960

Tue 9/234:40 pmYUL - SOF

1 stop10h 25mSWISS

Thu 10/210:50 amSOF - YUL

2 stops17h 03mSWISS

Deal found 7/1

$963

Wed 9/246:35 pmYUL - SOF

1 stop22h 20mAustrian Airlines

Tue 9/304:05 pmSOF - YUL

1 stop28h 45mAustrian Airlines

Deal found 7/1

$975

Tue 9/232:10 pmYUL - SOF

2 stops14h 50mLufthansa

Wed 10/112:45 pmSOF - YUL

1 stop15h 15mLufthansa

Deal found 7/1

$976

Last-minute flights from Pierre Elliott Trudeau Intl to Sofia
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to Sofia. Data last updated July 3, 2025 and is based on user searches.

Sat 7/128:15 pmYUL - SOF

2 stops32h 25mAustrian Airlines

Wed 8/138:00 amSOF - YUL

2 stops16h 21mAustrian Airlines

Deal found 7/3

$1,342

Sat 7/128:00 pmYUL - SOF

2 stops32h 15mUnited Airlines

Sat 8/912:45 pmSOF - YUL

2 stops25h 30mUnited Airlines

Deal found 7/3

$1,453

Sun 7/1310:00 pmYUL - SOF

1 stop14h 10mBritish Airways

Sun 8/109:10 pmSOF - YUL

1 stop30h 05mBritish Airways

Deal found 7/3

$1,305

Sun 7/1310:50 pmYUL - SOF

1 stop17h 10mLufthansa

Tue 8/1212:45 pmSOF - YUL

1 stop13h 05mLufthansa

Deal found 7/3

$1,323

Sun 7/134:40 pmYUL - SOF

1 stop15h 05mSWISS

Fri 8/1512:45 pmSOF - YUL

2 stops33h 15mSWISS

Deal found 7/3

$1,395

Wed 7/1610:10 pmYUL - SOF

1 stop32h 20mAmerican Airlines

Mon 7/218:00 pmSOF - YUL

2 stops33h 50mAmerican Airlines

Deal found 7/2

$960

Wed 7/1610:10 pmYUL - SOF

1 stop32h 20mBritish Airways

Sun 8/109:10 pmSOF - YUL

1 stop30h 05mBritish Airways

Deal found 7/3

$1,121

Tue 8/191:10 pmYUL - SOF

3 stops28h 20mMultiple Airlines

Tue 8/268:05 pmSOF - YUL

2 stops31h 55mMultiple Airlines

Deal found 7/3

$817

One-way flights from Pierre Elliott Trudeau Intl to Sofia
Search for one-way flight options from Pierre Elliott Trudeau Intl to Sofia. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/2911:00 pmYUL - SOF

1 stop27h 45mMultiple Airlines

Deal found 7/3

$328

Cheapflights Fare Finder

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

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

10:10 pm-8:40 pm

1 stop15h 30m

Sofia

Wed 10/1

9:30 pm-8:15 pm

1 stop29h 45m

$791

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 8/19

1:10 pm-12:30 am

3 stops28h 20m

Sofia

Tue 8/26

8:05 pm-9:00 pm

2 stops31h 55m

$817

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 7/16

10:10 pm-1:30 pm

1 stop32h 20m

Sofia

Mon 7/21

8:00 pm-10:50 pm

2 stops33h 50m

$960

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

4:40 pm-10:05 am

1 stop10h 25m

Sofia

Thu 10/2

10:50 am-8:53 pm

2 stops17h 03m

$963

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

6:35 pm-11:55 pm

1 stop22h 20m

Sofia

Tue 9/30

4:05 pm-1:50 pm

1 stop28h 45m

$975

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 9/23

2:10 pm-12:00 pm

2 stops14h 50m

Sofia

Wed 10/1

12:45 pm-9:00 pm

1 stop15h 15m

$976

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 8/29

11:00 pm-9:45 am

1 stop27h 45m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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?

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 $1,189). 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 a feel of what it's like to fly with Austrian Airlines, SWISS, and American Airlines 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.

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Austrian Airlines

7.6

Good

809 reviews

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

SWISS

7.5

Good

1,654 reviews

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

American Airlines

7.2

Good

10,000 reviews

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Lufthansa

6.8

Okay

7,207 reviews

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

British Airways

6.6

Okay

7,093 reviews

Austrian Airlines

7.6

Good

809 reviews

Reviews

1 / 20

10.0

Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

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.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia round-trip?
British Airways, at $791, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Sofia.Alternate airlines to your destination round-trip include American Airlines and SWISS. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia for 27% less than the average price by searching for these airlines.
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 $1,189). 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

Top airline flying from Pierre Elliott Trudeau Intl to Sofia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$822	Average$1,101	FlexibilityNo cancel fee	On-time67%

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$328+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pierre Elliott Trudeau Intl to Sofia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Pierre Elliott Trudeau Intl to Sofia

Cheapest flights from Pierre Elliott Trudeau Intl to SofiaExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia that are best for you.

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.

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 June 27, 2025.

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

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 July 3, 2025.

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?

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

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

How can I 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of 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.

Top airline flying from Pierre Elliott Trudeau Intl to Sofia

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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 July 3, 2025.