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Cheap flights from Montreal to Sudbury, ON from C$ 407

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YSB
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Sudbury

Enter your travel dates to find the best prices.

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 4 August 2026.

Fri 18/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Sun 20/98:05 p.m.
YSB
-
YUL
1 stop5h 46m
Air Canada
Deal found 31/7C$ 759
Sun 30/84:40 p.m.
YUL
-
YSB
1 stop22h 50m
Multiple Airlines
Fri 4/94:10 p.m.
YSB
-
YUL
2 stops19h 34m
Multiple Airlines
Deal found 4/8C$ 783
Fri 25/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Sun 27/98:05 p.m.
YSB
-
YUL
1 stop3h 16m
Air Canada
Deal found 31/7C$ 785
Sat 12/95:00 a.m.
YUL
-
YSB
1 stop4h 00m
Air Canada
Sat 19/92:25 p.m.
YSB
-
YUL
1 stop4h 56m
Air Canada
Deal found 3/8C$ 817
Fri 28/86:30 a.m.
YUL
-
YSB
2 stops9h 00m
Porter Airlines
Thu 3/94:10 p.m.
YSB
-
YUL
2 stops8h 27m
Porter Airlines
Deal found 3/8C$ 855
Tue 1/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Fri 4/98:05 p.m.
YSB
-
YUL
1 stop5h 47m
Air Canada
Deal found 4/8C$ 859
Sun 30/84:40 p.m.
YUL
-
YSB
1 stop22h 50m
Multiple Airlines
Thu 3/94:10 p.m.
YSB
-
YUL
2 stops6h 02m
Multiple Airlines
Deal found 4/8C$ 863
Fri 28/89:10 a.m.
YUL
-
YSB
1 stop4h 35m
Air Canada
Thu 3/98:05 p.m.
YSB
-
YUL
1 stop4h 27m
Air Canada
Deal found 3/8C$ 907
Sun 30/84:40 p.m.
YUL
-
YSB
1 stop22h 50m
Multiple Airlines
Sun 6/94:10 p.m.
YSB
-
YUL
2 stops6h 02m
Multiple Airlines
Deal found 4/8C$ 911
Thu 15/109:10 a.m.
YUL
-
YSB
1 stop4h 35m
Air Canada
Mon 19/108:05 p.m.
YSB
-
YUL
1 stop4h 31m
Air Canada
Deal found 30/7C$ 917

Find 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 4 August 2026.

Round-trip from

C$ 759

One-way from

C$ 407

Popular in

June

Cheapest in

August

Average price

C$ 543
Air Canada
  • Air Canada
  • 18/9-20/9
  • 3 total stops
  • 10h 51m total
  • Montreal to Sudbury
Search Deals
Air Canada
  • Air Canada
  • 1/9
  • 1 total stop
  • 4h 35m total
  • Montreal to Sudbury
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 475 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 126 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 4 August 2026.
Use the filters below to find and compare flights from Montreal to Sudbury that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 18/9

8:40 a.m.-1:45 p.m.

2 stops5h 05m

Sudbury

Sun 20/9

9:45 a.m.-3:38 p.m.

2 stops5h 53m

C$ 759

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

8:40 a.m.-1:45 p.m.

2 stops5h 05m

Sudbury

Sat 19/9

2:25 p.m.-6:52 p.m.

1 stop4h 27m

C$ 825
Quickest round-trip

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

9:10 a.m.-1:45 p.m.

1 stop4h 35m

Sudbury

Thu 3/9

8:05 p.m.-12:32 a.m.

1 stop4h 27m

C$ 907

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

9:10 a.m.-1:45 p.m.

1 stop4h 35m

Sudbury

Mon 19/10

8:05 p.m.-12:36 a.m.

1 stop4h 31m

C$ 917

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

4:40 p.m.-3:30 p.m.

1 stop22h 50m

Sudbury

Mon 31/8

4:10 p.m.-10:10 p.m.

2 stops6h 00m

C$ 936

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

6:30 a.m.-3:30 p.m.

2 stops9h 00m

Sudbury

Sun 23/8

4:10 p.m.-10:10 p.m.

2 stops6h 00m

C$ 978
Cheapest one-way
Quickest one-way

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

9:10 a.m.-1:45 p.m.

1 stop4h 35m

C$ 407

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

6:30 a.m.-3:30 p.m.

3 stops9h 00m

C$ 456

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

6:30 a.m.-3:30 p.m.

2 stops9h 00m

C$ 480

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

4:15 p.m.-3:00 p.m.

2 stops22h 45m

C$ 571

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 11 resultsSorted by cheapest first
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

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

Airfare is above average for this route at the moment.
Montreal to Sudbury, Ontario flights typically cost between C$ 521 and C$ 612 in September.
The cheapest round-trip price found within the last 5 days was C$ 759 on Air Canada (18 Sep-20 Sep).

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$ 585.

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: 3h 59m.

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 22m.

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 4 August 2026.
Read reviews from past customers who have flown 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.
Air Canada
7.1
Good
11,425 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.
Air Canada
7.1
Good
11,425 reviews
Air Canada
7.1
Good
11,425 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2026

YUL - LYS

The flight was cancelled. We were rebooked the next day on Air France but had a 12 hour layover in Paris. We lost 1 1/2 days of our vacation.

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. 1 airline has 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 5h 05m. The distance from Montreal to Sudbury, Ontario is about 558 km.

  • What is the cheapest airline to fly from Montreal to Sudbury, Ontario round-trip?

    Flying on Air Canada is currently your cheapest option to Sudbury, Ontario, with prices starting at C$ 498. Air Canada is priced at 41% 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Montreal to Sudbury

Discover the top airline 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 498AverageC$ 755FlexibilityNo 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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