The usual round-trip price from Montreal to Perth is about $4076 CAD, based on all of our scans. The lowest price we have recorded is $2827 CAD, which is 31% below the usual price. Departures in November are cheapest on average ($3412 CAD) and departures in December the most expensive ($4635 CAD). Prices vary moderately on this route depending on the departure date and when you book.
No deal sent to Perth yet
We track prices from Montreal to Perth every day. When a fare drops well below its usual level, we send it to subscribers. Subscribe to be alerted as soon as it happens.
When to fly from Montreal to Perth? Average price per day
Average round-trip price per departure date, all trip lengths, from all of our scans. Green line: the average price across all of our scans. Black dot: the cheapest day.
Nov 10, 2026 is the cheapest departure date from Montreal to Perth in our scans: $2827 CAD on average, across all trip lengths and all prices recorded over time.
FAQ: flights Montreal → Perth
Is the best price from Montreal to Perth really a good deal?
The average price across all of our Montreal → Perth scans is $4076 CAD. Our best spotted price, $2827 CAD, is 31% below that average.
When is the cheapest time to fly from Montreal to Perth?
Based on our daily scans, departures from Montreal to Perth in November are the cheapest (average $3412 CAD) and departures in December the most expensive ($4635 CAD). The chart above shows the average price day by day for the coming year.
How long does a deal from Montreal to Perth last?
Fare deals disappear fast: we treat a deal as active for 48 hours after it is sent. After that the price may have changed.
How do I get alerted when fares from Montreal to Perth drop?
Subscribe to En Plein Vol for free: we email flight deals from Montreal as soon as they are spotted.