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$475+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Sofia are usually found in February or January, booked 42 days in advance, depart on a Tuesday or Saturday and return on a Monday

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 octubre 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/239:40 pmYUL - SOF
1 stop15h 25mMultiple Airlines
sáb. 12/69:45 pmSOF - YUL
2 stops28h 55mMultiple Airlines
Deal found 10/29$571
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/258:10 pmYUL - SOF
2 stops23h 50mMultiple Airlines
mar. 12/24:00 pmSOF - YUL
2 stops27h 40mMultiple Airlines
Deal found 10/28$737

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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$608
(Mytrip)

One-way from

$475
(Connections by easyJet)

Popular in

December

Cheapest in

February

Average price

$977
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Sofia flights.
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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. 4% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 29, 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

dom. 11/23

9:40 pm-8:05 pm

1 stop15h 25m

Sofia

sáb. 12/6

9:45 pm-7:40 pm

2 stops28h 55m

$608

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

mar. 11/25

5:55 pm-10:45 pm

3 stops21h 50m

Sofia

mar. 12/2

8:35 pm-9:40 am

3 stops44h 05m

$772

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

jue. 11/13

8:10 pm-5:50 pm

2 stops14h 40m

Sofia

vie. 11/14

8:20 pm-4:10 pm

2 stops26h 50m

$1,088

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

jue. 1/8

6:35 pm-11:55 pm

1 stop22h 20m

Sofia

vie. 1/16

7:55 am-1:45 pm

1 stop12h 50m

$1,090

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

jue. 1/8

6:35 pm-11:55 pm

1 stop22h 20m

Sofia

sáb. 1/17

7:55 am-7:22 pm

2 stops18h 27m

$1,096

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

dom. 12/21

8:10 pm-10:50 pm

2 stops19h 40m

Sofia

vie. 1/30

6:00 am-7:40 pm

1 stop20h 40m

$1,227

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

vie. 12/19

9:40 pm-2:55 pm

2 stops34h 15m

Sofia

vie. 1/30

9:35 am-5:50 pm

1 stop15h 15m

$1,306

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

mar. 12/23

8:40 pm-8:10 pm

1 stop16h 30m

Sofia

lun. 12/29

5:25 pm-6:45 pm

1 stop32h 20m

$1,393

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

dom. 12/21

9:40 pm-8:05 pm

1 stop15h 25m

Sofia

lun. 2/2

2:25 pm-12:15 pm

2 stops28h 50m

$1,414

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

vie. 12/12

9:40 pm-7:00 pm

1 stop14h 20m

$475

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from Pierre Elliott Trudeau Intl to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Sofia in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Sofia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Sofia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Sofia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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 $680). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in December is currently the most expensive (average of $956). 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.

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 0 different 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 $680). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Sofia in December is currently the most expensive (average of $956). 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.

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