The usual round-trip price from Montreal to Shannon is about $1278 CAD, based on all of our scans. The lowest price we have recorded is $970 CAD, which is 24% below the usual price. Departures in November are cheapest on average ($1152 CAD) and departures in December the most expensive ($1515 CAD). Prices are fairly stable on this route: the gap between a cheap date and an expensive one stays small. The usual price to Shannon is higher than that of 87% of the 31 destinations we track in Western Europe from Montreal.
No deal sent to Shannon yet
We track prices from Montreal to Shannon 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 Shannon? 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.
Jan 12, 2027 is the cheapest departure date from Montreal to Shannon in our scans: $1085 CAD on average, across all trip lengths and all prices recorded over time.
When to book a flight from Montreal to Shannon? Price by time before departure
Average round-trip price by how many weeks before departure the price was recorded. Read left to right: as departure gets closer, the price moves. Black dot: the cheapest lead time.
This chart is the average of all prices recorded over time, with all departure dates mixed together. It blends cheap and expensive departures (seasons), which is why its lowest point is much higher than the cheapest day in the previous chart. The next chart isolates the effect of when you book.
When to book a flight from Montreal to Shannon? Difference from the normal price
Each recorded price is compared to the average price of its own departure date, which removes the effect of seasons. Read left to right up to departure: below the green line means cheaper than usual for that date. Black dot: the cheapest lead time.
Example: -10% means that at that point, the price is on average 10% below the usual price for the same departure date.
FAQ: flights Montreal → Shannon
Is the best price from Montreal to Shannon really a good deal?
The average price across all of our Montreal → Shannon scans is $1278 CAD. Our best spotted price, $970 CAD, is 24% below that average.
When is the cheapest time to fly from Montreal to Shannon?
Based on our daily scans, departures from Montreal to Shannon in November are the cheapest (average $1152 CAD) and departures in December the most expensive ($1515 CAD). The chart above shows the average price day by day for the coming year.
How far in advance should I book a flight from Montreal to Shannon?
Based on our scans, prices for flights from Montreal to Shannon are lowest about 6 weeks before departure (-2% versus the normal price for the same departure date). In the final 2 weeks before departure, the difference is +3%. See the last chart above.
How long does a deal from Montreal to Shannon 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 Shannon drop?
Subscribe to En Plein Vol for free: we email flight deals from Montreal as soon as they are spotted.
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