$170 Cheap Flights from Montreal (YUL) to Saint John (YSJ)

View $170 flight on Wed, Aug 6, 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 $170 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Aug 13 - Tue, Aug 19
YUL
Montreal
YSJ
Saint John
$354 Roundtrip, found 18 hours ago
$354
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Wed, Aug 13 from Montreal to Saint John, returning Tue, Aug 19, priced at $354 found 18 hours ago
Air Canada
Wed, Aug 13 - Tue, Aug 19
YUL
Montreal
YSJ
Saint John
$366 Roundtrip, found 18 hours ago
$366
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Wed, Aug 13 from Montreal to Saint John, returning Tue, Aug 19, priced at $366 found 18 hours ago
Air Canada
Tue, Sep 9 - Wed, Sep 10
YUL
Montreal
YSJ
Saint John
$370 Roundtrip, found 4 days ago
$370
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Sep 9 from Montreal to Saint John, returning Wed, Sep 10, priced at $370 found 4 days ago
Air Canada
Mon, Nov 3 - Mon, Nov 17
YUL
Montreal
YSJ
Saint John
$372 Roundtrip, found 6 hours ago
$372
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Nov 3 from Montreal to Saint John, returning Mon, Nov 17, priced at $372 found 6 hours ago
Air Canada
Wed, Aug 13 - Tue, Aug 19
YUL
Montreal
YSJ
Saint John
$378 Roundtrip, found 18 hours ago
$378
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Wed, Aug 13 from Montreal to Saint John, returning Tue, Aug 19, priced at $378 found 18 hours ago
Air Canada
Mon, Nov 3 - Mon, Nov 17
YUL
Montreal
YSJ
Saint John
$383 Roundtrip, found 6 hours ago
$383
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Nov 3 from Montreal to Saint John, returning Mon, Nov 17, priced at $383 found 6 hours ago
Air Canada
Wed, Aug 13 - Tue, Aug 19
YUL
Montreal
YSJ
Saint John
$390 Roundtrip, found 18 hours ago
$390
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Wed, Aug 13 from Montreal to Saint John, returning Tue, Aug 19, priced at $390 found 18 hours ago
Air Canada
Fri, Aug 29 - Mon, Sep 1
YUL
Montreal
YSJ
Saint John
$405 Roundtrip, found 4 days ago
$405
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Aug 29 from Montreal to Saint John, returning Mon, Sep 1, priced at $405 found 4 days ago
Air Canada
Mon, Nov 3 - Mon, Nov 17
YUL
Montreal
YSJ
Saint John
$408 Roundtrip, found 6 hours ago
$408
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Nov 3 from Montreal to Saint John, returning Mon, Nov 17, priced at $408 found 6 hours ago
Air Canada
Tue, Aug 26 - Thu, Aug 28
YUL
Montreal
YSJ
Saint John
$412 Roundtrip, found 5 days ago
$412
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Aug 26 from Montreal to Saint John, returning Thu, Aug 28, priced at $412 found 5 days ago

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

August is typically the cheapest month to fly

From $213 - $689 per traveler.

Graph displaying average flight prices per month

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 $354
YSJ
Saint John, NB
CheapestClosest
Average driving time to city center19 min
Flights from $354
Flights from Montreal (YUL) to Saint John (YSJ)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Saint John
Airlines serving
Air Canada
Roundtrip price
$354
Distance
381 mi
Average flight time
1 hour 30 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 August. 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 $170 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?
You can score cheap return tickets from Pierre Elliott Trudeau Intl. Airport (YUL) to Saint John Airport (YSJ) starting at $382. Reserve your seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada flight leaving YUL on August 10 2025 and touching down at YSJ. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from YUL to YSJ?
The cheapest flights from YUL to YSJ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 YUL to YSJ?
Right now, the cheapest carrier offering one-way flights from YUL to YSJ is Air Canada. You can book a seat on this route from $197. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YUL on September 30 2025. Prices were last updated on July 23 2025 and have not changed since.
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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Saint John nearby Airports

Fredericton

Montreal to Greater Fredericton Intl.
$306.99
Montreal nearby Airports

Montreal Metropolitan Airport

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