The usual round-trip price from Montreal to Shannon is about $1885 CAD, based on all of our scans. The lowest price we have recorded is $1498 CAD, which is 21% below the usual price. Departures in November are cheapest on average ($1682 CAD) and departures in December the most expensive ($2029 CAD). Prices vary moderately on this route depending on the departure date and when you book. The usual price to Shannon is higher than that of 100% of the 26 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.
What is the best month to fly from Montreal to Shannon? Price by departure month
Typical round-trip price of each month's departures, all trip lengths, from all of our past and current scans (every January pooled, and so on). Prices are compared at the same booking lead time. The difference compares each month to the average of the months shown: a negative difference means cheaper than average. These figures firm up as we collect more scans.
| Departure month | Average price | Lowest seen | Difference | |
|---|---|---|---|---|
| January | $1879 | $1514 | +0% | |
| November | $1887 | $1498 | +0% | |
| December | $1871 | $1498 | +0% |
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.
Nov 16, 2026 is the cheapest departure date from Montreal to Shannon in our scans: $1498 CAD on average, across all trip lengths and all prices recorded over time.
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 $1885 CAD. Our best spotted price, $1498 CAD, is 21% 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 $1682 CAD) and departures in December the most expensive ($2029 CAD). The chart above shows the average price day by day for the coming year.
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.
Feeling adventurous?
- Arrive in Edinburgh, fly home from Shannon from $1459 CAD