Route Price Intelligence
Cheap Flights From Chicago to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$718
Deals From
$673
Usually Costs
$673 – $820
Lowest We've Seen
$368
Based on 2,710 price pointshigh confidence
Monthly Price Guide
Jan
$688
Feb
—
Mar
—
Apr
$742
May
$781
Jun
$716
Jul
$742
Aug
$678
Sep
$686
Oct
$696
Nov
$718
Dec
$757
Cheapest Average Expensive
Best Time to Fly from Chicago to St. Lucia
The cheapest time to fly from Chicago to St. Lucia is typically August, when fares average around $678. The most expensive month tends to be May at around $781. For the best deals, consider flying in August, September, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $36870 price checksWorst: $582