$166 Cheap Flights from Montreal (YUL) to Saint John (YSJ)

View $166 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Saint John, NB (YSJ)

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Cheap Flights from Montreal to Saint John (YUL-YSJ)

Prices were available within the past 7 days and start at $166 for one-way flights and $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$363 Roundtrip, found 6 days ago
$363
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $363 found 6 days ago
Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$375 Roundtrip, found 6 days ago
$375
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $375 found 6 days ago
Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $378 found 6 days ago
Air Canada
Wed, Dec 3 - Sun, Dec 14
YUL
Montreal
YSJ
Saint John
$387 Roundtrip, found 2 days ago
$387
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Dec 3 from Montreal to Saint John, returning Sun, Dec 14, priced at $387 found 2 days ago
Air Canada
Wed, Dec 3 - Sun, Dec 14
YUL
Montreal
YSJ
Saint John
$399 Roundtrip, found 2 days ago
$399
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Dec 3 from Montreal to Saint John, returning Sun, Dec 14, priced at $399 found 2 days ago
Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$406 Roundtrip, found 6 days ago
$406
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $406 found 6 days ago
Air Canada
Wed, Jan 7 - Sun, Jan 18
YUL
Montreal
YSJ
Saint John
$415 Roundtrip, found 6 days ago
$415
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Jan 7 from Montreal to Saint John, returning Sun, Jan 18, priced at $415 found 6 days ago
Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$418 Roundtrip, found 6 days ago
$418
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $418 found 6 days ago
Air Canada
Mon, Jan 5 - Wed, Jan 21
YUL
Montreal
YSJ
Saint John
$420 Roundtrip, found 6 days ago
$420
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Jan 5 from Montreal to Saint John, returning Wed, Jan 21, priced at $420 found 6 days ago
Porter Airlines
Wed, Dec 3 - Sun, Dec 14
YUL
Montreal
YSJ
Saint John
$475 Roundtrip, found 2 days ago
$475
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Wed, Dec 3 from Montreal to Saint John, returning Sun, Dec 14, priced at $475 found 2 days ago

Find the cheapest month to fly from Montreal (YUL) to Saint John (YSJ)

October is typically the cheapest month to fly

From $309 - $869 per traveler.

Alternative airports near Saint John

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Saint John, NB YSJ. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $619
YSJ
Saint John, NB
CheapestClosest
Average driving time to city center19 min
Flights from $619
Flights from Montreal (YUL) to Saint John (YSJ)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Saint John
Airlines serving
Air Canada
Roundtrip price
$362
Distance
381 mi
Average flight time
2 hours 24 mins

Montreal to Saint John Flights

The cheapest times to fly from Montreal to Saint John

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 Montreal to Saint John are during the month of January. You can find some of the cheapest flights from Montreal to Saint John with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Saint John

Sunday is one of the best days to book for cheap flights from Montreal to Saint John: 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 Montreal to Saint John

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 Montreal to Saint John in 2025. You can also book with separate airlines for your outbound and return journeys, from $166 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 Montreal to Saint John 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 Montreal to Saint John 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.

 

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) cost?
Grab a cheap one-way flight from $166 or cheap return flight from $363 from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
January is the least expensive month to fly from YUL to YSJ. Traveling during an off-peak travel window is often the key to scoring lower fares.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
Hop on a direct flight with Air Canada and journey straight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ).
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from YUL to YSJ. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
On average, there's only 1 direct flight operating from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) every day. If this doesn't fit your plans, consider flights with a layover. Just customize your search on Expedia to include one or two stops to discover the next best option.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
Flights between YUL and YSJ are their busiest at 1 PM. For a less crowded experience and possibly cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from YUL to YSJ?
Friday offers the most flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
The earliest flight taking off from Pierre Elliott Trudeau Intl. Airport (YUL) is at around 1:10PM UTC-5. Board this plane and you'll reach Saint John Airport (YSJ) at approximately 3:38PM UTC-4. The total flight duration is 1h 28m.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
Flights from YUL to YSJ have an average travel time of 1 hour and 28 minutes. The total distance between these two airports is 380 mi.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
Opt for a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**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.
What airports do you fly into for Saint John from Pierre Elliott Trudeau Intl. Airport (YUL)?
If you're taking a direct flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John, you can land at either Greater Fredericton Intl. Airport (YFC) or Saint John Airport (YSJ).
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) last-minute?
Last-minute fares from YUL to YSJ are usually more expensive. To lock in the cheapest rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may land a cheap ticket right before your trip.
Is it cheaper to book a YUL to YSJ flight and hotel package?
Securing a YUL to YSJ flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ)?
In most cases, you can cancel or modify your YUL to YSJ flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.