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Cheap flights from Montreal to Sudbury, ON from C$ 291

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YSB
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Montreal to Sudbury

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Sudbury (YSB). 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 15 September 2025.

Round-trip from

C$ 489

One-way from

C$ 291

Popular in

November

Cheapest in

April

Average price

C$ 619
Porter Airlines
  • Porter Airlines
  • 8/10-13/10
  • 2 total stops
  • 8h 21m total
  • Montreal to Sudbury
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Air Canada
  • Air Canada
  • 30/9
  • 1 total stop
  • 4h 06m total
  • Montreal to Sudbury
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Montreal to Sudbury

Cheapest flights from Montreal to Sudbury
Explore the most affordable flight options available from Montreal to Sudbury. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 8/106:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Mon 13/1012:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Deal found 12/9C$ 489
Wed 8/109:40 a.m.YUL - YSB
2 stops5h 36mAir Canada
Mon 13/103:55 p.m.YSB - YUL
1 stop5h 45mAir Canada
Deal found 12/9C$ 546
Thu 30/108:55 a.m.YUL - YSB
1 stop3h 40mPorter Airlines
Fri 31/101:15 p.m.YSB - YUL
1 stop3h 15mPorter Airlines
Deal found 13/9C$ 547
Thu 30/108:50 a.m.YUL - YSB
2 stops6h 49mAir Canada
Fri 31/1010:35 a.m.YSB - YUL
1 stop4h 48mAir Canada
Deal found 13/9C$ 588
Mon 29/96:55 a.m.YUL - YSB
1 stop4h 31mPorter Airlines
Fri 3/1012:10 p.m.YSB - YUL
1 stop21h 55mPorter Airlines
Deal found 13/9C$ 713
Tue 16/910:45 a.m.YUL - YSB
1 stop24h 41mPorter Airlines
Fri 19/912:10 p.m.YSB - YUL
1 stop3h 50mPorter Airlines
Deal found 14/9C$ 826
Mon 13/109:40 a.m.YUL - YSB
2 stops5h 36mAir Canada
Mon 20/103:55 p.m.YSB - YUL
2 stops5h 51mAir Canada
Deal found 15/9C$ 834
Thu 30/108:50 a.m.YUL - YSB
2 stops6h 49mMultiple Airlines
Fri 31/1010:35 a.m.YSB - YUL
2 stops7h 15mMultiple Airlines
Deal found 13/9C$ 868

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Sudbury 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 15 September 2025.
Use the filters below to find and compare flights from Montreal to Sudbury that are best for you.

Fly from

Montreal

Fly to

Sudbury

Route

Depart

Return

Price

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

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

1 stop4h 31m

Sudbury

Mon 13/10

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

1 stop3h 50m

C$ 515

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

11:15 a.m.-3:16 p.m.

1 stop4h 01m

Sudbury

Mon 20/10

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

1 stop5h 45m

C$ 522

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

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

2 stops5h 36m

Sudbury

Mon 13/10

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

1 stop5h 45m

C$ 546

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

1 stop3h 40m

Sudbury

Fri 31/10

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

1 stop3h 15m

C$ 547

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

2 stops6h 49m

Sudbury

Fri 31/10

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

1 stop4h 48m

C$ 588

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

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

1 stop3h 59m

Sudbury

Sun 7/12

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

1 stop4h 48m

C$ 588

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

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

1 stop5h 50m

Sudbury

Mon 23/2

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

1 stop4h 30m

C$ 601

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

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

1 stop5h 50m

Sudbury

Wed 4/3

1:15 p.m.-6:45 p.m.

1 stop5h 30m

C$ 619

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

5:00 a.m.-9:06 a.m.

1 stop4h 06m

C$ 291

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 28/11

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

1 stop5h 29m

C$ 301

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 17 results
1
2

Best time to book a flight from Montreal to Sudbury

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

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

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

Toronto (YYZ) – chosen by Cheapflights users on 50% of one-stop itineraries from Montreal to Sudbury, Ontario on Cheapflights.

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

Average round-trip fare for 1-stop flights from Montreal to Sudbury, Ontario, 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$ 502.

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

Shortest average travel time for 1-stop one-way flights from Montreal to Sudbury, Ontario, 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: 4h 01m.

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

Average layover duration for 1-stop one-way flights from Montreal to Sudbury, Ontario, 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 31m.

Reviews of airlines servicing Sudbury

Get insights into the airlines that provide service to Sudbury. 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 Sudbury. Reviews last updated 15 September 2025.
Read reviews from past customers who have flown Porter Airlines and Air Canada from Montreal to Sudbury. 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

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Crew

8.6

Entertainment

7.0

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

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Crew

8.6

Entertainment

7.0

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

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Crew

8.6

Entertainment

7.0

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 Montreal to Sudbury. 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 Sudbury from Montreal?

    For a flight from Montreal to Sudbury, you will be flying into Sudbury. Sudbury (YSB) is just 20.9 km from the centre of the city. Sudbury is the only Sudbury airport and it handles 0 inbound flights from Montreal per day. 2 airlines have flights to Sudbury from Montreal on a regular basis.

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

    Departing from Montreal to Sudbury, Ontario will take you 4h 01m. The distance from Montreal to Sudbury, Ontario is about 558 km. This flight may include one or multiple stops.

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

    Flying on Porter Airlines is currently your cheapest option to Sudbury, Ontario, with prices starting at C$ 343. Another option worth looking into is Air Canada, starting at C$ 349 round trip. Porter Airlines is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Sudbury 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 Montreal to Sudbury, Ontario?

    Currently, June is the cheapest month in which you can book a flight from Montreal to Sudbury, Ontario (average of C$ 302). Flying from Montreal to Sudbury, Ontario in December is currently the most expensive (average of C$ 467). 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 Montreal to Sudbury

Discover the top 2 airlines that operate flights from Montreal to Sudbury. 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 343AverageC$ 498FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 349AverageC$ 537FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

Deals for Montreal to Sudbury flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Sudbury for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Sudbury, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Montreal to Sudbury flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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