488 - 823 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 39 days prior to your departure date finds the best deals.
From most locations, the cheapest day to fly to Shannon is Monday. Most users found that departing on a Saturday was most expensive.
Typically, cheap prices to Shannon are most often found for morning flights. Cheap prices are less likely for noon flights.