C$ 784 Cheap flights to Saint Lucia

There are 5 airlines that fly to Saint Lucia on a routine basis, but WestJet, Air Canada and American Airlines happen to be the most popular among our users. In the past year, 59% of those who searched for flights to Saint Lucia looked to travel with WestJet, making this airline the top choice among momondo travellers.

According to our data, 75% of momondo users who travelled to Saint Lucia in the last year flew into Castries Hewanorra (located in Castries), making it the most popular airport to fly to. There may be other airports in Saint Lucia, but the majority of our users take flights to Castries Hewanorra in order to visit Castries and it’s surrounding areas.

Flights to Saint Lucia have been found on momondo for as low as C$ 179 per ticket recently. However, the average price tends to be C$ 541 and anything for C$ 381 or less is a good deal. C$ 2,907 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

Prices for flights to Saint Lucia refresh daily.

There are 6 operators available for flights to Saint Lucia as of March 2026.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Saint Lucia.

The travel and health documents required for your trip to Saint Lucia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Lucia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.