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$372+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SOF
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 35 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$880
(SWISS)

One-way from

$372
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,113
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. 2% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:40 pmYUL - SOF
1 stop12h 50mSWISS
Mon 10/63:30 pmSOF - YUL
1 stop30h 30mSWISS
Deal found 4/17$880
This Lufthansa deal was found by Cheapflights users on 4/17. 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.
Tue 5/274:40 pmYUL - SOF
1 stop10h 25mMultiple Airlines
Thu 6/196:00 amSOF - YUL
1 stop19h 50mMultiple Airlines
Deal found 4/17$883
This Lufthansa deal was found by Cheapflights users on 4/17. 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.
Fri 9/196:55 pmYUL - SOF
1 stop33h 20mLufthansa
Mon 9/296:40 pmSOF - YUL
1 stop24h 05mLufthansa
Deal found 4/17$888
This Austrian Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 9/216:35 pmYUL - SOF
1 stop16h 35mAustrian Airlines
Mon 10/66:55 pmSOF - YUL
1 stop25h 55mAustrian Airlines
Deal found 4/17$890
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 6/219:15 amYUL - SOF
2 stops30h 45mUnited Airlines
Sat 7/58:00 amSOF - YUL
2 stops38h 00mUnited Airlines
Deal found 4/17$894
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Sat 5/1710:50 pmYUL - SOF
1 stop12h 50mAir Canada
Sat 5/246:00 amSOF - YUL
1 stop22h 00mAir Canada
Deal found 4/17$978
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:45 pmYUL - SOF
2 stops18h 15mKLM
Thu 10/97:00 amSOF - YUL
1 stop16h 55mKLM
Deal found 4/17$1,191
This Air Serbia deal was found by Cheapflights users on 4/17. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:45 pmYUL - SOF
2 stops36h 50mAir Serbia
Fri 10/104:05 pmSOF - YUL
2 stops56h 45mAir Serbia
Deal found 4/17$1,442
This LOT deal was found by Cheapflights users on 4/17. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:15 pmYUL - SOF
2 stops24h 45mLOT
Sat 4/265:20 amSOF - YUL
2 stops22h 31mLOT
Deal found 4/17$1,671
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:15 amYUL - SOF
1 stop21h 10mEmirates
Sat 4/262:05 amSOF - YUL
1 stop36h 55mEmirates
Deal found 4/17$2,787

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 April 17, 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

Mon 9/22

4:40 pm-12:30 pm

1 stop12h 50m

Sofia

Mon 10/6

3:30 pm-3:00 pm

1 stop30h 30m

$880

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 5/27

4:40 pm-10:05 am

1 stop10h 25m

Sofia

Thu 6/19

6:00 am-6:50 pm

1 stop19h 50m

$883

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 9/19

6:55 pm-11:15 am

1 stop33h 20m

Sofia

Mon 9/29

6:40 pm-11:45 am

1 stop24h 05m

$888

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sun 9/21

6:35 pm-6:10 pm

1 stop16h 35m

Sofia

Mon 10/6

6:55 pm-1:50 pm

1 stop25h 55m

$890

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 6/21

9:15 am-11:00 pm

2 stops30h 45m

Sofia

Sat 7/5

8:00 am-3:00 pm

2 stops38h 00m

$894

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Sat 5/17

10:50 pm-6:40 pm

1 stop12h 50m

Sofia

Sat 5/24

6:00 am-9:00 pm

1 stop22h 00m

$978

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

12:45 pm-2:00 pm

2 stops18h 15m

Sofia

Thu 10/9

7:00 am-4:55 pm

1 stop16h 55m

$1,191

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Fri 9/26

7:45 pm-3:35 pm

2 stops36h 50m

Sofia

Mon 10/6

4:05 pm-5:50 pm

2 stops56h 45m

$1,442

MontrealSofia

YUL - SOF

YULSOF

Montreal Pierre Elliott Trudeau Intl

Tue 5/27

3:10 pm-6:45 pm

3 stops44h 35m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Sofia flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 2025.

Booking 35 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 $1,243). 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.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

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.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

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).

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 April 17, 2025.
To help decide which airline to fly from Montreal to Sofia, see what other customers have to say about KLM, Austrian Airlines and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,329 reviews
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
775 reviews
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,580 reviews
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,667 reviews
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air Canada
7.0
Good
9,142 reviews
KLM
7.8
Good
1,329 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 3 different airlines.

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

    SWISS, at $880, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Sofia.Alternate airlines to your destination round-trip include Lufthansa and Austrian Airlines. You may be able to fly from Montreal Pierre Elliott Trudeau Intl Airport to Sofia for 23% 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 $1,243). 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 3 airlines flying from Pierre Elliott Trudeau Intl to Sofia

Discover the top 3 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 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$822Average$1,101FlexibilityNo cancel feeOn-time67%
Austrian AirlinesCheapest$1,003Average$1,161FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$1,122Average$1,257FlexibilityNo cancel feeOn-time76%

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