Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (50% more expensive on average)
or less
Top tips for finding cheap flights to Saint Lucia
Looking for cheap airfare to Saint Lucia? 25% of our users found tickets to Saint Lucia for the following prices or less: From Shannon €573 round-trip, from Dublin €639 one-way - €1,646 round-trip
High season is considered to be February, March and April. The cheapest month to fly from Ireland is October.
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FAQs - booking Saint Lucia flights
An average direct flight from Ireland to Saint Lucia takes 20h 45m, covering a distance of 6474 km. The most popular route is Dublin - Castries with an average flight time of 16h 30m.
The cheapest ticket to Saint Lucia from Ireland found in the last 72 hours was €639 one-way, and €936 round-trip. The most popular route is from Dublin to Castries, and the cheapest round-trip airline ticket found on this route in the last 72 hours was €1,201.
Based on KAYAK flight searches, the most popular destination is Castries (100% of total searches to Saint Lucia).
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a given destination and date is likely to change within 7 days, so travellers know whether to wait or book now.