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Cheap flights from Montreal to Sudbury, ON from C$ 389

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — YSB
16 Aug — 23 Aug1
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 17 July 2026.

Thu 3/96:45 a.m.
YUL
-
YSB
1 stop7h 00m
Multiple Airlines
Mon 7/94:10 p.m.
YSB
-
YUL
2 stops8h 15m
Multiple Airlines
Deal found 17/7C$ 812
Mon 10/86:30 a.m.
YUL
-
YSB
2 stops9h 00m
Porter Airlines
Mon 17/84:10 p.m.
YSB
-
YUL
2 stops8h 27m
Porter Airlines
Deal found 13/7C$ 826
Fri 21/86:30 a.m.
YUL
-
YSB
2 stops9h 00m
Porter Airlines
Sun 23/84:10 p.m.
YSB
-
YUL
2 stops8h 27m
Porter Airlines
Deal found 13/7C$ 831
Sat 29/85:45 p.m.
YUL
-
YSB
2 stops21h 45m
Multiple Airlines
Sat 5/98:05 p.m.
YSB
-
YUL
1 stop4h 20m
Multiple Airlines
Deal found 15/7C$ 842
Sat 29/85:00 a.m.
YUL
-
YSB
1 stop4h 00m
Air Canada
Sat 5/98:05 p.m.
YSB
-
YUL
1 stop4h 27m
Air Canada
Deal found 15/7C$ 854
Fri 28/86:30 a.m.
YUL
-
YSB
2 stops9h 00m
Multiple Airlines
Fri 4/94:10 p.m.
YSB
-
YUL
2 stops17h 32m
Multiple Airlines
Deal found 13/7C$ 857
Thu 3/910:10 a.m.
YUL
-
YSB
1 stop3h 35m
Air Canada
Mon 7/92:25 p.m.
YSB
-
YUL
1 stop4h 27m
Air Canada
Deal found 17/7C$ 862
Sun 2/88:45 a.m.
YUL
-
YSB
2 stops6h 45m
Multiple Airlines
Mon 3/84:10 p.m.
YSB
-
YUL
2 stops15h 57m
Multiple Airlines
Deal found 14/7C$ 868
Mon 10/810:10 a.m.
YUL
-
YSB
1 stop3h 35m
Air Canada
Mon 17/88:05 p.m.
YSB
-
YUL
1 stop5h 47m
Air Canada
Deal found 13/7C$ 869
Sun 9/81:10 p.m.
YUL
-
YSB
1 stop6h 17m
Air Canada
Sun 16/88:05 p.m.
YSB
-
YUL
1 stop5h 47m
Air Canada
Deal found 12/7C$ 871
Fri 16/108:10 a.m.
YUL
-
YSB
1 stop5h 35m
Air Canada
Sun 18/102:25 p.m.
YSB
-
YUL
1 stop4h 06m
Air Canada
Deal found 12/7C$ 872
Sat 29/85:00 a.m.
YUL
-
YSB
1 stop4h 00m
Air Canada
Fri 4/99:45 a.m.
YSB
-
YUL
2 stops5h 37m
Air Canada
Deal found 14/7C$ 875

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 17 July 2026.

Round-trip from

C$ 826

One-way from

C$ 389

Popular in

June

Cheapest in

August

Average price

C$ 710
Porter Airlines
  • Porter Airlines
  • 10/8-17/8
  • 4 total stops
  • 17h 27m total
  • Montreal to Sudbury
Search Deals
Porter Airlines
  • Porter Airlines
  • 20/8
  • 2 total stops
  • 20h 40m total
  • Montreal to Sudbury
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 481 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 July 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 17 July 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

Thu 3/9

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

1 stop7h 00m

Sudbury

Mon 7/9

4:10 p.m.-12:25 a.m.

2 stops8h 15m

C$ 812

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 28/8

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

2 stops9h 00m

Sudbury

Fri 4/9

4:10 p.m.-9:42 a.m.

2 stops17h 32m

C$ 857
Quickest round-trip

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

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

1 stop3h 35m

Sudbury

Mon 7/9

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

1 stop4h 27m

C$ 862

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

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

1 stop3h 35m

Sudbury

Mon 17/8

8:05 p.m.-1:52 a.m.

1 stop5h 47m

C$ 869

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Sun 9/8

1:10 p.m.-7:27 p.m.

1 stop6h 17m

Sudbury

Sun 16/8

8:05 p.m.-1:52 a.m.

1 stop5h 47m

C$ 871

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

8:10 a.m.-1:45 p.m.

1 stop5h 35m

Sudbury

Sun 18/10

2:25 p.m.-6:31 p.m.

1 stop4h 06m

C$ 872

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

8:10 a.m.-1:45 p.m.

1 stop5h 35m

Sudbury

Sun 18/10

9:45 a.m.-6:38 p.m.

2 stops8h 53m

C$ 872
Cheapest one-way

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

6:50 p.m.-3:30 p.m.

2 stops20h 40m

C$ 389

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

8:10 a.m.-1:45 p.m.

1 stop5h 35m

C$ 420

MontrealSudbury

YUL - YSB

YULYSB

Montreal Pierre Elliott Trudeau Intl

Thu 30/7

6:50 p.m.-3:30 p.m.

3 stops20h 40m

C$ 448

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/7

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?

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 (YTZ) – chosen by Cheapflights users on 61% 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$ 574.

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 17 July 2026.
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
8.0
Very good
445 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
445 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,352 reviews
Porter Airlines
8.0
Very good
445 reviews
Check prices

Overall

8.0

Food

7.5

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 3h 35m. The distance from Montreal to Sudbury, Ontario is about 558 km.

  • 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$ 228. Another option worth looking into is Air Canada, starting at C$ 498 round trip. Porter Airlines is priced at 73% 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 17 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 228AverageC$ 523FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 498AverageC$ 597FlexibilityNo 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 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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