Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Idaho Falls to St Lucia is United Airlines.
Cheapest Month
April
Travel Period: January 2025 - December 2025
The cheapest month(s) to fly from Idaho Falls to St Lucia is April.
Cheapest Day of the Week
Thursday
The cheapest day(s) of the week to fly from Idaho Falls to St Lucia is Thursday.
How far is St Lucia from Idaho Falls?
The flight distance between Idaho Falls and St Lucia is 5843km. Check all available flights on Wego.
