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Cheap flights from Sudbury, ON to Montreal from C$ 249

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — YMQ
11 Oct — 18 Oct1
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 11 September 2025.

Round-trip from

C$ 475

One-way from

C$ 249

Popular in

June

Cheapest in

February

Average price

C$ 496
Porter Airlines
  • Porter Airlines
  • 13/10-20/10
  • 2 total stops
  • 8h 21m total
  • Sudbury to Montreal
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Air Canada
  • Air Canada
  • 2/11
  • 1 total stop
  • 4h 48m total
  • Sudbury to Montreal
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Sudbury to Montreal

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 11 September 2025.

Mon 13/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Mon 20/106:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Deal found 11/9C$ 475
Thu 9/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Thu 16/106:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Deal found 11/9C$ 481
Tue 21/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Tue 28/108:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Deal found 11/9C$ 503
Mon 13/103:55 p.m.YSB - YUL
1 stop5h 45mAir Canada
Mon 20/109:40 a.m.YUL - YSB
2 stops5h 36mAir Canada
Deal found 11/9C$ 516
Fri 10/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Sun 19/106:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Deal found 11/9C$ 568
Tue 21/109:45 a.m.YSB - YUL
2 stops5h 52mAir Canada
Tue 28/106:00 a.m.YUL - YSB
1 stop3h 59mAir Canada
Deal found 11/9C$ 572
Sun 26/101:15 p.m.YSB - YUL
1 stop4h 30mPorter Airlines
Sun 2/118:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Deal found 11/9C$ 575
Mon 15/124:15 p.m.YSB - YUL
1 stop5h 37mAir Canada
Sat 10/110:10 a.m.YUL - YSB
1 stop5h 29mAir Canada
Deal found 10/9C$ 604
Fri 7/115:40 a.m.YSB - YUL
1 stop8h 06mAir Canada
Sun 9/118:50 a.m.YUL - YSB
2 stops6h 49mAir Canada
Deal found 11/9C$ 615
Fri 19/121:15 p.m.YSB - YUL
1 stop4h 30mPorter Airlines
Mon 22/126:45 a.m.YUL - YSB
1 stop5h 50mPorter Airlines
Deal found 11/9C$ 637
Fri 10/103:55 p.m.YSB - YUL
1 stop5h 45mAir Canada
Sun 19/109:40 a.m.YUL - YSB
2 stops5h 36mAir Canada
Deal found 11/9C$ 646

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 11 September 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

Thu 9/10

12:10 p.m.-4:00 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

6:55 a.m.-11:26 a.m.

1 stop4h 31m

C$ 481

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 21/10

12:10 p.m.-4:00 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

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

1 stop3h 40m

C$ 503

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 13/10

3:55 p.m.-9:40 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 20/10

9:40 a.m.-3:16 p.m.

2 stops5h 36m

C$ 516

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 21/10

9:45 a.m.-3:37 p.m.

2 stops5h 52m

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

6:00 a.m.-9:59 a.m.

1 stop3h 59m

C$ 572

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 26/10

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

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

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

1 stop3h 40m

C$ 575

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 15/12

4:15 p.m.-9:52 p.m.

1 stop5h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 10/1

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

1 stop5h 29m

C$ 604

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 7/11

5:40 a.m.-1:46 p.m.

1 stop8h 06m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

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

2 stops6h 49m

C$ 615

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 10/10

3:55 p.m.-9:40 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 19/10

9:40 a.m.-3:16 p.m.

2 stops5h 36m

C$ 646

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 3/3

4:15 p.m.-9:52 p.m.

1 stop5h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

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

2 stops6h 49m

C$ 672

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 2/11

10:35 a.m.-3:23 p.m.

1 stop4h 48m

C$ 249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 20 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, October is the cheapest month in which you can book a flight from Sudbury, Ontario to Montreal (average of C$ 241). Flying from Sudbury, Ontario to Montreal in April is currently the most expensive (average of C$ 317). 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 65% 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$ 475.

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 11 September 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
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

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$ 481, Porter Airlines can have you in Montreal from Sudbury, Ontario in 3h 50m. 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$ 356. Another option worth looking into is Air Canada, starting at C$ 360 round trip. These flights start at 27% 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, October is the cheapest month in which you can book a flight from Sudbury, Ontario to Montreal (average of C$ 241). Flying from Sudbury, Ontario to Montreal in April is currently the most expensive (average of C$ 317). 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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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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 356AverageC$ 487FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 360AverageC$ 554FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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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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