Route Price Intelligence
Cheap Flights From Chicago to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$713
Deals From
$668
Usually Costs
$668 – $804
Lowest We've Seen
$368
Based on 4,661 price pointshigh confidence
Monthly Price Guide
Jan
$696
Feb
$746
Mar
—
Apr
$723
May
$778
Jun
$737
Jul
$754
Aug
$678
Sep
$684
Oct
$693
Nov
$696
Dec
$751
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 $778. For the best deals, consider flying in August, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $36877 price checksWorst: $582