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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Saint John from C$ 178

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — YSJ
10 Jul — 17 Jul1
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 10 June 2026.

Fri 17/71:25 p.m.
YUL
-
YSJ
Nonstop1h 20m
Air Canada
Sun 19/74:40 p.m.
YSJ
-
YUL
Nonstop1h 23m
Air Canada
Deal found 9/6C$ 315
Fri 24/71:25 p.m.
YUL
-
YSJ
Nonstop1h 20m
Air Canada
Fri 31/74:40 p.m.
YSJ
-
YUL
Nonstop1h 23m
Air Canada
Deal found 9/6C$ 337
Thu 2/71:25 p.m.
YUL
-
YSJ
Nonstop1h 20m
Air Canada
Tue 7/74:40 p.m.
YSJ
-
YUL
Nonstop1h 23m
Air Canada
Deal found 9/6C$ 358
Thu 2/71:25 p.m.
YUL
-
YSJ
Nonstop1h 20m
Air Canada
Sat 11/74:40 p.m.
YSJ
-
YUL
Nonstop1h 23m
Air Canada
Deal found 7/6C$ 378
Thu 23/71:25 p.m.
YUL
-
YSJ
Nonstop1h 20m
Air Canada
Thu 30/74:40 p.m.
YSJ
-
YUL
Nonstop1h 23m
Air Canada
Deal found 8/6C$ 399

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 10 June 2026.

Round-trip from

C$ 315

One-way from

C$ 178

Popular in

June

Cheapest in

January

Average price

C$ 672

Good round-trip deal

C$ 496 or less
Air Canada
  • Air Canada
  • 17/7-19/7
  • Nonstop
  • 2h 43m total
  • Montreal to Saint John
Search Deals
Air Canada
  • Air Canada
  • 24/7
  • Nonstop
  • 1h 20m total
  • Montreal to Saint John
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 10 June 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

Fri 24/7

1:25 p.m.-3:45 p.m.

Nonstop1h 20m

Saint John

Fri 31/7

4:40 p.m.-5:03 p.m.

Nonstop1h 23m

C$ 337

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

1:25 p.m.-3:45 p.m.

Nonstop1h 20m

Saint John

Mon 6/7

4:40 p.m.-5:03 p.m.

Nonstop1h 23m

C$ 358

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

6:00 a.m.-11:55 a.m.

1 stop4h 55m

Saint John

Thu 9/7

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

1 stop5h 22m

C$ 402

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

1:20 p.m.-3:50 p.m.

Nonstop1h 30m

Saint John

Sun 9/8

4:30 p.m.-5:01 p.m.

Nonstop1h 31m

C$ 423

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

1:20 p.m.-3:50 p.m.

Nonstop1h 30m

Saint John

Fri 14/8

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

1 stop5h 22m

C$ 432

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

6:00 a.m.-11:55 a.m.

1 stop4h 55m

Saint John

Sat 15/8

4:30 p.m.-5:01 p.m.

Nonstop1h 31m

C$ 432

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

6:00 a.m.-11:55 a.m.

1 stop4h 55m

Saint John

Thu 16/7

4:40 p.m.-5:03 p.m.

Nonstop1h 23m

C$ 457

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

1:25 p.m.-3:49 p.m.

Nonstop1h 24m

Saint John

Mon 27/7

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

1 stop5h 22m

C$ 502

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

1:20 p.m.-3:49 p.m.

Nonstop1h 29m

Saint John

Sun 4/10

5:40 a.m.-10:21 a.m.

1 stop5h 41m

C$ 524
Cheapest one-way
Quickest one-way

MontrealSaint John

YUL - YSJ

YULYSJ

Montreal Pierre Elliott Trudeau Intl

Fri 24/7

1:25 p.m.-3:45 p.m.

Nonstop1h 20m

C$ 178

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

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 10 June 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?

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 10 June 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
11,154 reviews
Check prices

Comfort

7.1

Overall

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

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
11,154 reviews
Air Canada
7.1
Good
11,154 reviews
Check prices

Comfort

7.1

Overall

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

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 2 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 20m. 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$ 451. Air Canada is currently priced 21% 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: Emirates (100%), Air Canada (80%), Jazz( 80%).

  • 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$ 496, our data indicates the cheapest price to be C$ 496. The most popular route (Montreal Pierre Elliott Trudeau Intl - Saint John), is priced around C$ 315.

  • 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

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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
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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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 453AverageC$ 567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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