Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John from C$ 165

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — YSJ
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to St John

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to St John
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Thu 13/81:30 p.m.
YUL
-
YSJ
Nonstop1h 30m
Air Canada
Mon 17/84:40 p.m.
YSJ
-
YUL
Nonstop1h 31m
Air Canada
Deal found 23/7C$ 325
Wed 19/81:30 p.m.
YUL
-
YSJ
Nonstop1h 30m
Air Canada
Wed 26/84:40 p.m.
YSJ
-
YUL
Nonstop1h 31m
Air Canada
Deal found 19/7C$ 331
Tue 11/81:30 p.m.
YUL
-
YSJ
Nonstop1h 30m
Air Canada
Fri 14/84:40 p.m.
YSJ
-
YUL
Nonstop1h 31m
Air Canada
Deal found 20/7C$ 341
Mon 10/81:30 p.m.
YUL
-
YSJ
Nonstop1h 30m
Air Canada
Wed 19/85:00 a.m.
YSJ
-
YUL
1 stop5h 22m
Air Canada
Deal found 19/7C$ 342
Thu 20/86:00 a.m.
YUL
-
YSJ
1 stop4h 55m
Air Canada
Thu 27/85:00 a.m.
YSJ
-
YUL
1 stop5h 22m
Air Canada
Deal found 23/7C$ 348
Thu 13/81:30 p.m.
YUL
-
YSJ
Nonstop1h 30m
Air Canada
Wed 26/84:40 p.m.
YSJ
-
YUL
Nonstop1h 31m
Air Canada
Deal found 22/7C$ 349

Find flight deals from Pierre Elliott Trudeau Intl to St John

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to St John (YSJ). 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 23 July 2026.

Round-trip from

C$ 325

One-way from

C$ 165

Popular in

September

Cheapest in

January

Average price

C$ 550

Good round-trip deal

C$ 368 or less
Air Canada
  • Air Canada
  • 13/8-17/8
  • Nonstop
  • 3h 01m total
  • Montreal to Saint John
Search Deals
Air Canada
  • Air Canada
  • 18/8
  • Nonstop
  • 1h 30m total
  • Montreal to Saint John
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Saint John.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to St John 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 629,999 searches. Data last updated 23 July 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

1:30 p.m.-4:00 p.m.

Nonstop1h 30m

Saint John

Mon 17/8

4:40 p.m.-5:11 p.m.

Nonstop1h 31m

C$ 325

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

5:00 a.m.-11:50 a.m.

1 stop5h 50m

Saint John

Wed 26/8

4:40 p.m.-5:11 p.m.

Nonstop1h 31m

C$ 342

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

1:30 p.m.-4:00 p.m.

Nonstop1h 30m

Saint John

Thu 13/8

4:40 p.m.-5:11 p.m.

Nonstop1h 31m

C$ 363

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

1:30 p.m.-4:00 p.m.

Nonstop1h 30m

Saint John

Fri 14/8

4:40 p.m.-5:11 p.m.

Nonstop1h 31m

C$ 366

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

1:30 p.m.-4:00 p.m.

Nonstop1h 30m

Saint John

Sat 8/8

5:00 a.m.-8:22 a.m.

1 stop4h 22m

C$ 394

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

5:00 a.m.-11:50 a.m.

1 stop5h 50m

Saint John

Sun 9/8

5:00 a.m.-9:22 a.m.

1 stop5h 22m

C$ 407

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

6:00 a.m.-11:41 a.m.

1 stop4h 41m

Saint John

Tue 22/9

12:50 p.m.-5:21 p.m.

1 stop5h 31m

C$ 415
Cheapest one-way

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

6:30 p.m.-1:25 a.m.

1 stop5h 55m

C$ 176

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

1:30 p.m.-3:59 p.m.

Nonstop1h 29m

C$ 180

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

1:30 p.m.-4:00 p.m.

Nonstop1h 30m

C$ 190

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/7

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Pierre Elliott Trudeau Intl to St John

Have a flexible travel schedule? Discover the best time to fly to St John 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 Saint John

What is the cheapest time of day to fly from YUL to YSJ?

Find hourly flight availability from Pierre Elliott Trudeau Intl to St John. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John as you normally would.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Saint John?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to Saint John flights typically cost between C$ 479 and C$ 771 in August.
The cheapest round-trip price found within the last 5 days was C$ 325 on Air Canada (13 Aug-17 Aug).

Reviews of airlines servicing St John

Get insights into the airlines that provide service to St John. 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 St John. Reviews last updated 23 July 2026.
Read reviews from past customers who have flown Air Canada from Montreal Pierre Elliott Trudeau Intl Airport to Saint John. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,371 reviews
Check prices

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,371 reviews
Air Canada
7.1
Good
11,371 reviews
Check prices

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to St John. 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 Saint John from Montreal Pierre Elliott Trudeau Intl?

    For a flight from Montreal Pierre Elliott Trudeau Intl to Saint John, you will be flying into Saint John. Saint John (YSJ) is just 15.1 km from the centre of the city. Saint John is the only Saint John airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 1 airline has flights to Saint John from Montreal Pierre Elliott Trudeau Intl on a regular basis.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint John?

    Air Canada can get you from Montreal Pierre Elliott Trudeau Intl Airport to Saint John in just under 1h 30m. Your travel time will be generally consistent. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Saint John is about 613 km. Most flights are nonstop.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Saint John round-trip?

    Cheapflights users have booked flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John round-trip from C$ 409. Air Canada is currently priced 29% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Saint John?

    Before booking your flight to Saint John from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Jazz (75%), Air Canada (74%), United Airlines( 62%).

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John?

    Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Saint John? While on average our users pay C$ 387, our data indicates the cheapest price to be C$ 361. The most popular route (Montreal Pierre Elliott Trudeau Intl - Saint John), is priced around C$ 349.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to St John that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to St John flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to St John?

    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 St John.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to St John?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to St John by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pierre Elliott Trudeau Intl to St John

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Moncton flights
Pierre Elliott Trudeau Intl to Fredericton flights
Pierre Elliott Trudeau Intl to Mont-Joli flights

Top airline flying from Pierre Elliott Trudeau Intl to St John

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to St John. 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 629,999 searches. Data last updated 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 409AverageC$ 523FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to St John?

Deals for Pierre Elliott Trudeau Intl to St John flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to St John?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pierre Elliott Trudeau Intl to St John for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to St John with no change fees?

Yes! Cheapflights helps users easily find flights from Pierre Elliott Trudeau Intl to St John with no change fees.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to St John become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St John from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.