Route Price Intelligence
Cheap Flights From Chicago to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$688
Great Deal
Under $596
Typical Range
$596 – $728
Lowest We've Seen
$368
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$564
Feb
$688
Mar
$688
Apr
$602
May
—
Jun
—
Jul
$823
Aug
$693
Sep
$690
Oct
$658
Nov
$639
Dec
$688
Cheapest Average Expensive
Best Time to Fly from Chicago to St. Lucia
The cheapest time to fly from Chicago to St. Lucia is typically January, when fares average around $564. The most expensive month tends to be July at around $823. For the best deals, consider flying in January, April, 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
Cheapest month: August43,318 fares analyzedTypical low: $638