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Cheap flights from Sudbury, ON to Montreal from C$ 321

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
YSB — YMQ
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 July 2026.

Sun 23/88:05 p.m.
YSB
-
YUL
1 stop11h 40m
Air Canada
Mon 24/810:40 a.m.
YUL
-
YSB
2 stops8h 47m
Air Canada
Deal found 23/7C$ 592
Thu 10/93:50 p.m.
YSB
-
YUL
1 stop31h 55m
Multiple Airlines
Mon 14/96:45 a.m.
YUL
-
YSB
1 stop7h 00m
Multiple Airlines
Deal found 24/7C$ 661
Fri 11/99:45 a.m.
YSB
-
YUL
2 stops5h 53m
Air Canada
Sun 13/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Deal found 26/7C$ 671
Fri 25/99:45 a.m.
YSB
-
YUL
2 stops5h 53m
Air Canada
Sun 27/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Deal found 26/7C$ 685
Fri 9/102:25 p.m.
YSB
-
YUL
1 stop4h 56m
Air Canada
Mon 12/1010:10 a.m.
YUL
-
YSB
1 stop3h 35m
Air Canada
Deal found 23/7C$ 700
Thu 10/99:45 a.m.
YSB
-
YUL
2 stops5h 53m
Air Canada
Mon 14/98:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Deal found 24/7C$ 734
Thu 8/109:45 a.m.
YSB
-
YUL
2 stops5h 38m
Air Canada
Sun 11/108:40 a.m.
YUL
-
YSB
2 stops5h 05m
Air Canada
Deal found 22/7C$ 755
Mon 31/84:10 p.m.
YSB
-
YUL
2 stops19h 35m
Multiple Airlines
Sat 5/98:00 p.m.
YUL
-
YSB
1 stop19h 00m
Multiple Airlines
Deal found 25/7C$ 768
Mon 31/89:45 a.m.
YSB
-
YUL
1 stop3h 37m
Air Canada
Sat 5/95:00 a.m.
YUL
-
YSB
1 stop4h 00m
Air Canada
Deal found 25/7C$ 776

Find 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 27 July 2026.

Round-trip from

C$ 592

One-way from

C$ 321

Popular in

May

Cheapest in

January

Average price

C$ 781
Air Canada
  • Air Canada
  • 23/8-24/8
  • 3 total stops
  • 20h 27m total
  • Sudbury to Montreal
Search Deals
13/8
  • 13/8
  • 2 total stops
  • 24h 35m total
  • Sudbury to Montreal
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 336 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 78 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 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 27 July 2026.
Use the filters below to find and compare flights from Sudbury to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 23/8

8:05 p.m.-7:45 a.m.

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

10:40 a.m.-7:27 p.m.

2 stops8h 47m

C$ 592

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Sun 13/9

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

1 stop4h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

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

2 stops5h 05m

C$ 671

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 11/9

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

2 stops5h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

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

2 stops5h 05m

C$ 671
Quickest round-trip

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 25/9

2:25 p.m.-5:54 p.m.

1 stop3h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

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

1 stop3h 35m

C$ 685

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 9/10

2:25 p.m.-7:21 p.m.

1 stop4h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

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

1 stop3h 35m

C$ 700

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Thu 8/10

2:25 p.m.-7:51 p.m.

1 stop5h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 11/10

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

2 stops5h 05m

C$ 755

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 31/8

4:10 p.m.-11:45 a.m.

2 stops19h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

8:00 p.m.-3:00 p.m.

1 stop19h 00m

C$ 768

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Mon 31/8

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

1 stop3h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

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

1 stop4h 00m

C$ 776

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Tue 13/10

2:25 p.m.-5:51 p.m.

1 stop3h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 30/10

3:10 p.m.-7:35 p.m.

1 stop4h 25m

C$ 824

SudburyMontreal

YSB - YUL

YSBYUL

Sudbury

Fri 28/8

4:10 p.m.-4:45 p.m.

2 stops24h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

8:00 p.m.-3:00 p.m.

1 stop19h 00m

C$ 833

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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$ 292). Flying from Sudbury, Ontario to Montreal in June is currently the most expensive (average of C$ 1,319). 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.

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 73% 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$ 516.

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 34m.

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 28m.

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 27 July 2026.
Read reviews from past customers who have flown Porter Airlines 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
449 reviews
Check prices

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Boarding

8.2

Comfort

8.0

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
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Food

7.5

Crew

8.6

Entertainment

6.9

Overall

8.0

Boarding

8.2

Comfort

8.0

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 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 1 airline. 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$ 592, Air Canada can have you in Montreal from Sudbury, Ontario in 11h 40m. There are 558 km between Sudbury, Ontario and Montreal.

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

    Flying on Porter Airlines is currently your cheapest option to Montreal, with prices starting at C$ 417. This flight start at 34% 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$ 292). Flying from Sudbury, Ontario to Montreal in June is currently the most expensive (average of C$ 1,319). 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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Alternative routes for Sudbury to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Sudbury to Montreal

Discover the top airline 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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 417AverageC$ 657FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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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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