Route Price Intelligence
Cheap Flights From Philadelphia to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
St. Lucia is priced at $412 round trip from Philadelphia, close to half off the roughly $738 this route usually costs. The Pitons, waterfalls, and volcanic hot springs make it one of the most dramatic islands in the Caribbean, and fall is a great time to go before the winter crowds arrive. This is part of a wider wave of St. Lucia discounts we are seeing across the East Coast right now.
✓ 8 date combinations found at this price
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Best Time to Fly from Philadelphia to St. Lucia
The cheapest time to fly from Philadelphia to St. Lucia is typically April, when fares average around $605. The most expensive month tends to be July at around $1,094. For the best deals, consider flying in April, January, November.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route