$811 Find Cheap Flights from Boise to Saint Lucia - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Price, demand and travel trends for Boise to Saint Lucia flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from Boise to Saint Lucia right now?

The cheapest fare from Boise to Saint Lucia in the last week was $861 round-trip, to Castries Hewanorra (UVF).

Which airport in Saint Lucia is the cheapest to fly to from Boise?

All flights from Boise to Saint Lucia arrive at Castries Hewanorra (UVF). On average, round-trip fares are around $857.

What's the cheapest time of day to fly from Boise to Saint Lucia?

Data from the past 12 months shows it's cheapest to fly to Saint Lucia during the night with average prices of $856. The evening is the most expensive time to fly, with average prices of $948.

Key details for Boise to Saint Lucia flights

Cheapest flight

$861
Round-trip flight from Boise to Castries

Your Boise to Saint Lucia flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Boise to Saint Lucia?

    Fares from Boise to Saint Lucia are around their usual level right now. A round-trip under $817 is considered a good deal, so it's worth keeping an eye out, or setting a Price Alert to catch price changes.

  • What are the main airports serving Saint Lucia?

    Flights to Saint Lucia use two main airports, Castries George F. L. Charle (SLU) and Castries Hewanorra (UVF).

  • What airlines fly nonstop from Boise to Saint Lucia?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Boise to Saint Lucia. However, Delta offers a one-stop option.

  • Which cabin classes are available on flights from Boise to Saint Lucia?

    On flights from Boise to Saint Lucia you can only book Economy Class.

Your guide to booking Boise to Saint Lucia flights

Get tips on when to book, when to fly and what to know before your trip.
  • Flying on Friday is usually the cheapest. Flights on Tuesday cost about 32% more on average, so being flexible with your travel dates could help you save.
  • Start your trip in Castries, which is the most popular destination in Saint Lucia. From there, it's easy to continue on to other popular destinations such as Soufrière, Gros Islet and Vieux Fort.

More options for your flight from Boise to Saint Lucia

Complete your trip to Saint Lucia with a hotel stay or car rental