Find flights
When to book
Airlines
FAQs

Cheap flights from Sudbury, ON to Montreal from C$ 280

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — YMQ
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheap 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 14 October 2025.

Round-trip from

C$ 572

One-way from

C$ 280

Popular in

September

Cheapest in

February

Average price

C$ 511
Air Canada
  • Air Canada
  • 18/11-19/11
  • 2 total stops
  • 8h 07m total
  • Sudbury to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 31/10
  • 1 total stop
  • 4h 30m total
  • Sudbury to Montreal
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 14 October 2025.

Tue 18/114:15 p.m.YSB - YUL
1 stop3h 38mAir Canada
Wed 19/115:10 p.m.YUL - YSB
1 stop4h 29mAir Canada
Deal found 11/10C$ 572
Sat 8/114:15 p.m.YSB - YUL
1 stop5h 37mAir Canada
Sat 15/1112:10 p.m.YUL - YSB
1 stop3h 29mAir Canada
Deal found 11/10C$ 608
Wed 24/121:15 p.m.YSB - YUL
1 stop3h 15mPorter Airlines
Sun 28/128:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Deal found 11/10C$ 664
Fri 24/103:55 p.m.YSB - YUL
1 stop5h 45mAir Canada
Sun 26/1010:30 p.m.YUL - YSB
1 stop11h 29mAir Canada
Deal found 12/10C$ 666
Wed 24/129:45 a.m.YSB - YUL
2 stops5h 49mAir Canada
Sun 28/126:00 a.m.YUL - YSB
1 stop6h 09mAir Canada
Deal found 11/10C$ 681
Thu 23/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Sun 26/108:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Deal found 13/10C$ 732
Thu 23/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Sat 25/106:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Deal found 13/10C$ 733
Fri 24/101:55 p.m.YSB - YUL
2 stops20h 10mMultiple Airlines
Sun 26/108:55 a.m.YUL - YSB
1 stop3h 40mMultiple Airlines
Deal found 12/10C$ 1,118

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 14 October 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

Sun 7/12

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

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

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

1 stop3h 40m

C$ 546

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 7/12

9:45 a.m.-3:34 p.m.

2 stops5h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

5:10 p.m.-9:39 p.m.

1 stop4h 29m

C$ 594

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 3/3

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

1 stop3h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

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

1 stop3h 40m

C$ 607

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 8/4

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

1 stop3h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

6:45 a.m.-12:35 p.m.

1 stop5h 50m

C$ 624

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 3/3

9:45 a.m.-3:34 p.m.

2 stops5h 49m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

12:10 p.m.-3:39 p.m.

1 stop3h 29m

C$ 631

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 3/3

9:45 a.m.-1:22 p.m.

1 stop3h 37m

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

3:10 p.m.-7:19 p.m.

1 stop4h 09m

C$ 631

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 8/4

4:15 p.m.-9:51 p.m.

1 stop5h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

8:50 a.m.-3:37 p.m.

2 stops6h 47m

C$ 743

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 28/10

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

1 stop4h 30m

C$ 285

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 29/10

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

1 stop3h 15m

C$ 291

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Wed 29/10

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

1 stop3h 42m

C$ 294

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/10

Showing 1-10 of 14 results
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

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$ 302). Flying from Sudbury, Ontario to Montreal in January is currently the most expensive (average of C$ 568). 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.

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 68% 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$ 482.

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 53m.

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 41m.

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 14 October 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
379 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
379 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,297 reviews
Porter Airlines
8.0
Very good
379 reviews
Check prices

Entertainment

7.0

Overall

8.0

Food

7.6

Comfort

8.0

Crew

8.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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$ 546, Porter Airlines can have you in Montreal from Sudbury, Ontario in 4h 30m. 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$ 360. Another option worth looking into is Air Canada, starting at C$ 365 round trip. These flights start at 29% 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$ 302). Flying from Sudbury, Ontario to Montreal in January is currently the most expensive (average of C$ 568). 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

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 Sudbury to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Pierre Elliott Trudeau Intl flights
Toronto Island to Pierre Elliott Trudeau Intl flights
Pearson Intl to Ottawa flights
Toronto Island to Québec City flights
Pearson Intl to Québec City flights
Toronto Island to Ottawa flights
Hamilton to Pierre Elliott Trudeau Intl flights
Region of Waterloo Intl to Pierre Elliott Trudeau Intl flights
Pierre Elliott Trudeau Intl to Québec City flights
Hamilton to Québec City flights
Hamilton to Ottawa flights
Windsor to Pierre Elliott Trudeau Intl flights
Thunder Bay to Ottawa flights
Ottawa to Pierre Elliott Trudeau Intl flights
Sudbury to Ottawa flights
Pierre Elliott Trudeau Intl to Ottawa flights
Windsor to Ottawa flights
Ottawa to Québec City flights
Thunder Bay to Pierre Elliott Trudeau Intl flights
Pierre Elliott Trudeau Intl to Rouyn-Noranda flights
London to Pierre Elliott Trudeau Intl flights
Pierre Elliott Trudeau Intl to Sept-Îles flights
Rouyn-Noranda to Québec City flights
Sudbury to Pierre Elliott Trudeau Intl flights
Windsor to Québec City flights
Rouyn-Noranda to Pierre Elliott Trudeau Intl flights
London to Québec City flights
Sault Ste Marie to Pierre Elliott Trudeau Intl flights
London to Ottawa flights
Pierre Elliott Trudeau Intl to La Vernière flights
Pierre Elliott Trudeau Intl to Kuujjuaq flights
Pierre Elliott Trudeau Intl to Gaspé flights
Thunder Bay to Québec City flights
Sudbury to Québec City flights
Timmins to Ottawa flights
Ottawa to Sept-Îles flights
Pierre Elliott Trudeau Intl to Puvirnituq flights
Pearson Intl to Gaspé flights
Pierre Elliott Trudeau Intl to Radisson flights
Pierre Elliott Trudeau Intl to Val-d'Or flights
Pierre Elliott Trudeau Intl to Mont-Joli flights
North Bay to Pierre Elliott Trudeau Intl flights
Pearson Intl to Mont-Joli flights
Pierre Elliott Trudeau Intl to Saguenay flights

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 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 360AverageC$ 489FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 365AverageC$ 559FlexibilityNo 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 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.

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.