Route Price Intelligence
Cheap Flights From Washington, D.C. to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Air Canada has Washington Dulles to St. Lucia at $424, roughly 40% off the typical fare near $710. We're seeing this same discount pop up from several other cities right now, a sign of a broader island-wide sale, and St. Lucia's Pitons and beach resorts are worth it during the quieter fall shoulder season.
✓ 10 date combinations found at this price
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Best Time to Fly from Washington, D.C. to St. Lucia
The cheapest time to fly from Washington, D.C. to St. Lucia is typically August, when fares average around $686. The most expensive month tends to be June at around $786. For the best deals, consider flying in August, September, January.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route