454 - 927 USD
In general, when booking your flight to Shannon, November is the cheapest month on average.
From most locations, booking your flights to Shannon around 40 days prior to your departure date finds the best deals.
From most locations, the cheapest day to fly to Shannon is Wednesday. Most users found that departing on a Thursday was most expensive.
Typically, cheap prices to Shannon are most often found for evening flights. Cheap prices are less likely for noon flights.