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Cheap flights from Sudbury, ON to Montreal from C$ 252

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — YMQ
4 May — 11 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sudbury to Montreal

Enter your travel dates to find the best prices.

Cheapest flights from Sudbury to Montreal
Explore the most affordable flight options available from Sudbury to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 April 2026.

Mon 20/41:15 p.m.
YSB
-
YUL
1 stop4h 30m
Porter Airlines
Fri 24/48:55 a.m.
YUL
-
YSB
1 stop3h 40m
Porter Airlines
Deal found 1/4C$ 483
Wed 22/41:15 p.m.
YSB
-
YUL
1 stop6h 00m
Porter Airlines
Mon 27/48:55 a.m.
YUL
-
YSB
1 stop3h 40m
Porter Airlines
Deal found 1/4C$ 485
Fri 1/58:05 p.m.
YSB
-
YUL
1 stop4h 26m
Air Canada
Sun 3/510:10 a.m.
YUL
-
YSB
1 stop3h 36m
Air Canada
Deal found 31/3C$ 499
Mon 27/41:15 p.m.
YSB
-
YUL
1 stop4h 30m
Porter Airlines
Thu 30/46:50 a.m.
YUL
-
YSB
1 stop5h 45m
Porter Airlines
Deal found 3/4C$ 508
Fri 24/48:05 p.m.
YSB
-
YUL
1 stop3h 16m
Air Canada
Fri 1/510:10 a.m.
YUL
-
YSB
1 stop3h 36m
Air Canada
Deal found 2/4C$ 521
Fri 8/52:30 p.m.
YSB
-
YUL
1 stop3h 21m
Air Canada
Sun 10/55:00 a.m.
YUL
-
YSB
1 stop4h 05m
Air Canada
Deal found 30/3C$ 556
Thu 21/58:05 p.m.
YSB
-
YUL
1 stop11h 40m
Air Canada
Wed 27/510:10 a.m.
YUL
-
YSB
1 stop3h 36m
Air Canada
Deal found 30/3C$ 566
Sun 31/59:45 a.m.
YSB
-
YUL
2 stops5h 39m
Air Canada
Thu 4/610:40 a.m.
YUL
-
YSB
2 stops8h 36m
Air Canada
Deal found 31/3C$ 632

Find flight deals from Sudbury to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Sudbury (YSB) to Montreal (YMQ). 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 4 April 2026.

Round-trip from

C$ 483

One-way from

C$ 252

Popular in

June

Cheapest in

January

Average price

C$ 538
Porter Airlines
  • Porter Airlines
  • 20/4-24/4
  • 2 total stops
  • 8h 10m total
  • Sudbury to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 17/4
  • 1 total stop
  • 3h 15m total
  • Sudbury to Montreal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sudbury to Montreal 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 4 April 2026.
Use the filters below to find and compare flights from Sudbury to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 27/4

1:15 p.m.-5:45 p.m.

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

6:50 a.m.-12:35 p.m.

1 stop5h 45m

C$ 508

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 8/5

2:30 p.m.-5:51 p.m.

1 stop3h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

5:00 a.m.-9:05 a.m.

1 stop4h 05m

C$ 556

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 1/5

8:05 p.m.-1:51 a.m.

1 stop5h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

10:40 a.m.-7:16 p.m.

2 stops8h 36m

C$ 600

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 31/5

9:45 a.m.-3:24 p.m.

2 stops5h 39m

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

10:40 a.m.-7:16 p.m.

2 stops8h 36m

C$ 632
Quickest round-trip

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Thu 25/6

8:05 p.m.-11:22 p.m.

1 stop3h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 4/7

3:30 p.m.-7:17 p.m.

1 stop3h 47m

C$ 632
Cheapest one-way
Quickest one-way

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 17/4

1:15 p.m.-4:30 p.m.

1 stop3h 15m

C$ 252

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 19/4

1:15 p.m.-4:30 p.m.

1 stop3h 15m

C$ 252

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 17/4

8:05 p.m.-12:31 a.m.

1 stop4h 26m

C$ 272

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 17/6

4:10 p.m.-6:20 p.m.

2 stops26h 10m

C$ 320

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 14/6

9:45 a.m.-10:19 p.m.

2 stops12h 34m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Sudbury to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Sudbury 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 Sudbury to Montreal

How much does it cost to fly round-trip from Sudbury, Ontario to Montreal?

What’s the top layover airport for flights from Sudbury, Ontario to Montreal?

Share of one-stop round-trip flights from Sudbury, Ontario to Montreal chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YTZ) – chosen by Cheapflights users on 66% of one-stop itineraries from Sudbury, Ontario to Montreal on Cheapflights.

What’s the cheapest layover airport for flights from Sudbury, Ontario to Montreal?

Average round-trip fare for 1-stop flights from Sudbury, Ontario to Montreal, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YTZ) is the most affordable 1-stop option, with an average round-trip price of C$ 484.

What’s the fastest layover option from Sudbury, Ontario to Montreal?

Shortest average travel time for 1-stop one-way flights from Sudbury, Ontario to Montreal, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 3h 45m.

Which airport typically offers the quickest layover for flights from Sudbury, Ontario to Montreal?

Average layover duration for 1-stop one-way flights from Sudbury, Ontario to Montreal, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 38m.

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated 4 April 2026.
Read reviews from past customers who have flown Porter Airlines and Air Canada from Sudbury to Montreal. 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.
Porter Airlines
8.0
Very good
431 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
431 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,894 reviews
Porter Airlines
8.0
Very good
431 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Crew

8.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Sudbury to Montreal. 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 from for flights from Sudbury to Montreal?

    Most people fly from Sudbury (YSB) if they book a flight from Sudbury to Montreal. On average, Sudbury has 0 outbound flights to Montreal per day from 2 airlines. Sudbury is conveniently located just 20.9 km from Sudbury’s city centre.

  • How long is the flight from Sudbury, Ontario to Montreal?

    For as low as C$ 556, Porter Airlines can have you in Montreal from Sudbury, Ontario in 3h 21m. There are 558 km between Sudbury, Ontario and Montreal. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sudbury, Ontario to Montreal round-trip?

    Flying on Air Canada is currently your cheapest option to Montreal, with prices starting at C$ 369. Another option worth looking into is Porter Airlines, starting at C$ 396 round trip. These flights start at 31% lower than the current average price 3 months from now.

  • Can I find deals for flights from Sudbury to Montreal that include hotel bookings?

    Yes. In addition to deals on Sudbury to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sudbury to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sudbury to Montreal.

  • Can I find deals for business class flights from Sudbury to Montreal?

    Yes. Cheapflights offers flight deals from Sudbury to Montreal 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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Top 2 airlines flying from Sudbury to Montreal

Discover the top 2 airlines that operate flights from Sudbury to Montreal. 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 4 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 369AverageC$ 500FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 396AverageC$ 576FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sudbury to Montreal?

Cheapflights helps you search for flights from Sudbury to Montreal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Sudbury to Montreal?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Montreal from Sudbury.

Can Cheapflights find flights from Sudbury to Montreal with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sudbury to Montreal flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sudbury to Montreal become cheaper?

Yes, Cheapflights offers price alerts on Sudbury to Montreal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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