$517 Cheap Flights from Sao Luis (SLZ) to Montreal (YUL)

View $517 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Sao Luis (SLZ-Marechal Cunha Machado Intl.) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Sao Luis to Montreal (SLZ-YUL)

Prices were available within the past 7 days and start at $517 for one-way flights and $1,328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

GOL Linhas Aereas S.A.
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,328 Roundtrip, found 1 day ago
$1,328
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,328 found 1 day ago
LATAM Airlines Group
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,351 Roundtrip, found 1 day ago
$1,351
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,351 found 1 day ago
GOL Linhas Aereas S.A.
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,372 Roundtrip, found 1 day ago
$1,372
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,372 found 1 day ago
GOL Linhas Aereas S.A.
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,389 Roundtrip, found 1 day ago
$1,389
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,389 found 1 day ago
LATAM Airlines Group
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,421 Roundtrip, found 1 day ago
$1,421
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,421 found 1 day ago
GOL Linhas Aereas S.A.
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,443 Roundtrip, found 1 day ago
$1,443
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,443 found 1 day ago
LATAM Airlines Group
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,491 Roundtrip, found 1 day ago
$1,491
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,491 found 1 day ago
LATAM Airlines Group
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,501 Roundtrip, found 1 day ago
$1,501
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,501 found 1 day ago
GOL Linhas Aereas S.A.
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,606 Roundtrip, found 1 day ago
$1,606
Roundtrip
found 1 day ago
Select GOL Linhas Aereas S.A. flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,606 found 1 day ago
LATAM Airlines Group
Sun, Jul 5 - Sun, Jul 26
SLZ
São Luís
YUL
Montreal
$1,655 Roundtrip, found 1 day ago
$1,655
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Sun, Jul 5 from São Luís to Montreal, returning Sun, Jul 26, priced at $1,655 found 1 day ago

Frequently asked questions

How much does a flight from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Grab a cheap one-way flight from $517 or cheap return flight from $1,328 from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL)?
July is the cheapest month to fly from SLZ to YUL. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SLZ to YUL. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Direct flights from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SLZ to YUL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Booking your plane ticket from SLZ to YUL just before your getaway is usually more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SLZ to YUL flight and hotel package?
Securing a SLZ to YUL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Marechal Cunha Machado Intl. Airport (SLZ) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Typically, it's possible to reschedule or cancel your SLZ to YUL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Marechal Cunha Machado Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Roundtrip price
$1,327
Distance
3780 mi

Book with confidence

Sao Luis to Montreal Flights

The cheapest times to fly from Sao Luis to Montreal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sao Luis to Montreal are during the month of July. You can find some of the cheapest flights from Sao Luis to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sao Luis to Montreal

Sunday is one of the best days to book for cheap flights from Sao Luis to Montreal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sao Luis to Montreal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sao Luis to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $517 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sao Luis to Montreal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sao Luis to Montreal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sao Luis to Montreal Flights

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*Available to One Key members.