YUL - SOF

$542 Find Cheap Flights from Montreal to Sofia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Montreal to Sofia departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to Sofia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Montreal to Sofia, as well as popular online travel agencies
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Cheap Flight Deals from Montreal to Sofia (YUL-SOF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Montreal to Sofia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Montreal to Sofia

KAYAK's recommended round-trip deals from the most popular airlines that fly from Montreal to Sofia.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
 Logo
11:00 pm - 7:25 pmYUL-SOF
13h 25m1 stop
 Logo
8:10 pm - 9:00 pmSOF-YUL
31h 50m1 stop
Mon, May 19 - Tue, Jun 3
 Logo
11:00 pm - 7:25 pmYUL-SOF
13h 25m1 stop
 Logo
8:10 pm - 9:00 pmSOF-YUL
31h 50m1 stop
Mon, May 19 - Tue, Jun 3
SWISS Logo
1:10 pm - 12:30 pmYUL-SOF
40h 20m2 stops
SWISS Logo
12:45 pm - 2:55 pmSOF-YUL
33h 10m2 stops
$1,011SWISS
Find Deal
Sun, May 11 - Sat, May 24
Lufthansa Logo
6:35 pm - 10:50 pmYUL-SOF
21h 15m1 stop
Lufthansa Logo
6:00 am - 9:00 pmSOF-YUL
22h 00m1 stop
$1,013Lufthansa
Find Deal
Sat, May 17 - Sat, May 31
Austrian Airlines Logo
6:35 pm - 11:55 pmYUL-SOF
22h 20m1 stop
Austrian Airlines Logo
4:05 pm - 1:50 pmSOF-YUL
28h 45m1 stop
$1,032Austrian Airlines
Find Deal
Sun, Apr 13 - Wed, Apr 30
SWISS Logo
4:40 pm - 10:05 amYUL-SOF
10h 25m1 stop
SWISS Logo
3:30 pm - 2:30 pmSOF-YUL
30h 00m2 stops
$1,036SWISS
Find Deal
Wed, May 21 - Mon, Jun 30
Austrian Airlines Logo
8:15 pm - 11:40 amYUL-SOF
32h 25m2 stops
Austrian Airlines Logo
12:25 pm - 1:50 pmSOF-YUL
32h 25m1 stop
$1,038Austrian Airlines
Find Deal
Mon, Apr 14 - Wed, Apr 30
Lufthansa Logo
8:40 pm - 11:00 pmYUL-SOF
19h 20m1 stop
Lufthansa Logo
7:25 pm - 9:00 pmSOF-YUL
32h 35m1 stop
$1,057Lufthansa
Find Deal
Sun, Apr 13 - Thu, May 1
Air Canada Logo
1:15 pm - 11:15 amYUL-SOF
15h 00m2 stops
Air Canada Logo
2:05 pm - 12:41 amSOF-YUL
17h 36m2 stops
$1,132Air Canada
Find Deal
Wed, May 21 - Wed, Jul 30
Air Canada Logo
8:40 pm - 6:40 pmYUL-SOF
15h 00m1 stop
Air Canada Logo
2:05 pm - 7:36 amSOF-YUL
24h 31m2 stops
$1,311Air Canada
Find Deal
Mon, Jul 7 - Sat, Aug 2

KAYAK's insights & trends for Montreal to Sofia flights

Get data-powered insights and trends into flights from Montreal to Sofia to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Montreal to Sofia?

The average price of all round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Sofia on a Tuesday and more expensive on a Saturday. On your return trip to Montreal, you should consider flying back on a Thursday, and avoid Sundays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia is January, where tickets cost $931 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $1,477 and $1,397 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Sofia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know

Low season

December

High season

August

Cheapest flight

$542
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Montreal to Sofia

When to book flights from Montreal to Sofia

Are your dates flexible? Find out the best times to travel from Montreal to Sofia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Montreal to Sofia flights

  • What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia?

    In the last 3 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Sofia was $542 for a round-trip ticket.

  • Do I need a passport to fly between Montreal and Sofia?

    Yes

  • Which aircraft models fly most regularly from Montreal to Sofia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Montreal to Sofia?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Montreal and Sofia, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Montreal to Sofia, Austrian Airlines or Air Canada?

    The two airlines most popular with KAYAK users for flights from Montreal to Sofia are Austrian Airlines and Air Canada. With an average price for the route of $1,161 and an overall rating of 7.5, Austrian Airlines is the most popular choice. Air Canada is also a great choice for the route, with an average price of $1,101 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from Montreal to Sofia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to Sofia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to Sofia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Montreal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Montreal to Sofia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Montreal with another airline. Booking your flights between Montreal and SOF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to Sofia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Montreal to Sofia

 
See real verified KAYAK customer reviews for airlines flying from Montreal to Sofia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Montreal to Sofia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
Austrian AirlinesOverall score based on 771 reviews
6.8Food
6.7Entertainment
7.6Boarding
7.3Comfort
8.1Crew
Airline reviews

Tirana was crazy check in and getting bussed to another gate. Both Germany stops were intensive customs but organized, but that wasn't the airlines problem. The crews were fabulous on the planes. The announcements were not easy to understand in English, slurred speech. Customs inthe US were fast. We waited for luggage, three later arriving planes had their luggage and left before us

10.0 ExcellentAnonymous, Mar 2025TIA - VIE
Read more Austrian Airlines reviews

Tirana was crazy check in and getting bussed to another gate. Both Germany stops were intensive customs but organized, but that wasn't the airlines problem. The crews were fabulous on the planes. The announcements were not easy to understand in English, slurred speech. Customs inthe US were fast. We waited for luggage, three later arriving planes had their luggage and left before us

Business class old style from 10 years ago. Ok for short flights but nor for 12 hours journey. The passenger near the window have to jump over the passenger seat aisle side or wake him up to upright the seat. That’s not the business class that you expect on long night flight. Seats are not so confortable. And believe it or not no wifi!

We have travelled on 13 December with Austrian Airlines from Yangon through Bangkok and Vienna to Varna. The first flight operated by Thai Airlines was nice and comfortable. I wouldn’t say the same thing about the next two flights which were operated directly by the Austrian Airlines. During our flight from Bangkok to Vienna:  > The service was very poor – serving of food and drinks was disorganized, late and not combined, the stewards were walking back and forth without doing anything substantial for the passengers. Even the morning breakfast was very late with a cup of coffee almost while landing (after a reminding).  > The food itself was OK-ish but for a 12-hour flight, there were no snacks/bites in between dinner and breakfast as it is with the other airlines.  > The cutlery was wooden, most probably recycling, but very unpleasant to eat with.  > The stewards were not rude but not friendly and/or helpful  > And also, half of the passengers had travel sets, others did not. The flight from Vienna to Varna was another surprise: firstly, the flight was late and secondly, they were serving only water free, even the coffee was paid, so were the snacks, but we had to pay to reserve seats. The whole experience is as if it was a low-cost airline. All in all, I wouldn’t recommend using the services of Austrian Airlines: the ticket prizes are quite the same as of the other carriers flying to this destination and you would have much pleasant time.

Business class is not worth it. Not comfortable and old plane with no privacy or enough space unless you on the single seats

We didn’t fly into Neuark , because it departed without us . We ran to a closed gate , and no staff to assist, then to a customer service center that was also closed, then briskly walked (20mins) to another customer center and got a ticket , waited 2 hours , got a flight to JFK instead, because of the time delay we Ran to catch our train home , and again our luggage arrived 3 days later delivery time at 3:45 in the MORNING!!!! Crazy!!!!!! Took a few days to shake off this disappointment of your service. You’re an embarrassment to customer service .

A bellow average experience. A delayed flight , no staff to assist , running and panic to connecting flight , 2 hour wait for customer service. No luggage when we arrived , luggage delivered 3 days after at 3:45 AM !!!! Much stress and anxiety from this experience. Please repair your Brand .

My luggage was lost and I did not receive any compensation

Leg room and seat back not a good recline (middle seat)

The option to check in the carry on bag for free was very convenient. If one checked bag could be included in the ticket price that would be even better.

It was very good, ,especially the working people in the plane, they are so polite.,thank you

Flight was cancelled around 45 -1hr minutes before scheduled take off time due to mechanical issues we hadn’t even boarded yet. Had to reroute to Orlando so someone had to drive 2 1/2 to come and get me… the alternative was go through Toronto and get a later flight which didn’t work for my schedule. The flight attendants barely gave anyone a smile…not the same as flying when a client/passenger was important. Very disappointed. By the way I have never ever made a complaint online about any company with feedback…even when I probably should have. The only good experience was the boarding desk associates who were very professional and got me on another flight with my checked bags…very nice team.

Actually as my experience with air Canada from Canada to Newark it was crazy for me because it was a lot of delays which for me it shouldn’t be like that, but I was able to coup with it so that was my experience I hope next time they will do good on that thanks.

Delayed delayed delayed cancelled and all we got was $60 food or beverage Embarrassing I'd say

It was fine. There were a couple of mechanical delays prior to takeoff but it was overall a quick and pleasant flight.

Mixed experienced. Nice staff. Spacious 787 better than cramped Airbus, though my seat was broken. The bad: Way overpriced ticket and charged for food despite 6 hr flight.

Air Canada business class used to be among the best among North American airlines, however it has gone downhill since the last time I flew with them. They didn't even offer any drinks prior to takeoff despite having over 30 minutes on the ground for boarding and de-icing. Once we got in the air the service was fine, however the food was lukewarm at best and just okay. The warm bread and spring mix salad was very good at least. My main complaint is they were letting economy guests use our washroom. Presumably because the Max 8 only has one in the rear. However as I was sitting in row 1 I constantly had passengers waiting in line for the toilet.

Very smooth flight and the crew members were very welcoming.

The plane was cramped and dirty. Not enough liquid was served to stave off dehydration.

The speaker flight attendant talked over was way too loud. Hurt my ears -had to take out hearing aids.

Super. Planes were clean. Flights were on time. boarding was smooth. Flight attendants were professional.

The aircraft was old, there was no charging sockets, and the seats were narrow and uncomfortable even though I had exit row premium seats.

The service was really good. The breakfast food could’ve been better as I don’t eat sweets for breakfast and the only choice was a muffin. Overall, good experience though. Thank you.

Terrible experience. Should be a short simple flight from San Francisco to Palm Springs. Disgusting insult that United Air doesn’t have a cabin crew ready to receive a plane that’s already an hour plus late in departure. Lots of misinformation along the way from cockpit and crew. Definitely unimpressed with both union and management.

The flight was delayed and I was stressing the whole time about whether I would make my next flight.

Flight was cancelled and I got rebooked with anther airline. Also had booked a direct flight and got a layover.

The agent, who took my mother to her gate, kept talking with one of her male coworkers and treating my mother like a sack of potatoes. She was ignoring my questions because she was too busy flirting with her male colleague. This was a very unprofessional behavior. We also had to wait for close to half an hour for an agent to arrive.

Very good flight, only problem is the boarding process where some peoples do not have manners and do not how to fly ( preparing your documents, oversized carry-ons, not understanding or feigning to not understand directives).

The flight crew did a good job, the main problem I had was in the layout of the pod itself. I know it does not matter but the connection for the head phones was not A- easy to find, B- very difficult to do based on the placement ( behind the right shoulder, very hard to reach, the type of plug on the frame vs the actual plug of the headphones), C due to the location and the way it connected, it did not allow me to use my own headphones, D- very low quality and very uncomfortable headphones, E- Surprisingly, very old selections of movies, for me, at least. I will still fly with Lufthansa as you deliver a very good product overall and I enjoy the quality of service, the ease and the prices. Thank you.

my flight was cancelled. next one scheduled 2 days later. no hotel provided. worst airline experience ever

Terrible. Had to go through customs and pick up our luggage. Then they said we couldn't make our connecting flight to MKE when we had 35min before takeoff. There were no other flights out on any airline so we would've had to spend the night at ORD. We were able to get a ride to MKE at our expense instead. Ridiculous that they would not allow us to try to make the flight, which we would have. Assuming rechecking the luggage was the problem. They should not have listed this as a viable connecting flight if there was no chance in making it. There was 4 people in our party.

Everything you need to know for your flight from Montreal to Sofia

Information on your arrival and departure airports

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