Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Chicago to St Lucia is American Airlines.
Cheapest Month
June
Travel Period: April 2025 - March 2026
The cheapest month(s) to fly from Chicago to St Lucia is June.
Cheapest Day of the Week
Sunday
The cheapest day(s) of the week to fly from Chicago to St Lucia is Sunday.
How far is St Lucia from Chicago?
The flight distance between Chicago and St Lucia is 4031km. Check all available flights on Wego.
