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Cheap flights from Sudbury, ON to Montreal from C$ 231

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — YMQ
26 Jan — 2 Feb1
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 27 December 2025.

Sun 28/121:15 p.m.YSB - YUL
1 stop4h 30mPorter Airlines
Sun 4/18:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Deal found 27/12C$ 797
Sun 28/1212:45 p.m.YSB - YUL
1 stop4h 40mAir Canada
Sun 4/110:30 a.m.YUL - YSB
2 stops5h 09mAir Canada
Deal found 27/12C$ 1,517

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 27 December 2025.

Round-trip from

C$ 335

One-way from

C$ 231

Popular in

September

Cheapest in

March

Average price

C$ 482
Porter Airlines
  • Porter Airlines
  • 9/2-10/2
  • 2 total stops
  • 8h 10m total
  • Sudbury to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/1
  • 1 total stop
  • 3h 15m total
  • Sudbury to Montreal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 27 December 2025.
Use the filters below to find and compare flights from Sudbury to Montreal that are best for you.

Fly from

Sudbury

Fly to

Montreal

Route

Depart

Return

Price

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 9/2

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

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

8:55 a.m.-12:35 p.m.

1 stop3h 40m

C$ 335

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Thu 29/1

4:15 p.m.-7:58 p.m.

1 stop3h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 1/2

3:10 p.m.-7:24 p.m.

1 stop4h 14m

C$ 354

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Thu 22/1

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

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

8:55 a.m.-12:35 p.m.

1 stop3h 40m

C$ 369

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 23/1

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

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

8:55 a.m.-12:35 p.m.

1 stop3h 40m

C$ 392

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 9/2

3:55 p.m.-8:45 p.m.

2 stops4h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

3:10 p.m.-7:24 p.m.

1 stop4h 14m

C$ 405

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 23/1

5:40 a.m.-9:22 a.m.

1 stop3h 42m

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

8:50 a.m.-3:39 p.m.

2 stops6h 49m

C$ 418

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 16/1

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

1 stop3h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

8:55 a.m.-12:35 p.m.

1 stop3h 40m

C$ 418

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 8/2

8:00 p.m.-12:32 a.m.

1 stop4h 32m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

5:00 a.m.-9:09 a.m.

1 stop4h 09m

C$ 422

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 14/1

4:15 p.m.-10:22 p.m.

1 stop6h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

8:50 a.m.-3:39 p.m.

2 stops6h 49m

C$ 441

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 9/1

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

1 stop3h 15m

C$ 231

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/12

Showing 1-10 of 15 results
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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

What is the cheapest month to book a flight from Sudbury, Ontario to Montreal?

Currently, April is the cheapest month in which you can book a flight from Sudbury, Ontario to Montreal (average of C$ 294). Flying from Sudbury, Ontario to Montreal in October is currently the most expensive (average of C$ 567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 469.

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 35m.

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 27 December 2025.
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
402 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
402 reviews
Porter Airlines
8.0
Very good
402 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,562 reviews
Porter Airlines
8.0
Very good
402 reviews
Check prices

Food

7.6

Entertainment

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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$ 354, Porter Airlines can have you in Montreal from Sudbury, Ontario in 3h 43m. 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 Porter Airlines is currently your cheapest option to Montreal, with prices starting at C$ 351. Another option worth looking into is Air Canada, starting at C$ 356 round trip. These flights start at 30% 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.

  • What is the cheapest month to book a flight from Sudbury, Ontario to Montreal?

    Currently, April is the cheapest month in which you can book a flight from Sudbury, Ontario to Montreal (average of C$ 294). Flying from Sudbury, Ontario to Montreal in October is currently the most expensive (average of C$ 567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.
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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 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 351AverageC$ 551FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 356AverageC$ 491FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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