Route Price Intelligence
Cheap Flights From St. Louis to Santiago
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,005
Deals From
$975
Usually Costs
$975 – $1,070
Lowest We've Seen
$764
Based on 4,113 price pointshigh confidence
Monthly Price Guide
Jan
$975
Feb
$975
Mar
$1,662
Apr
$1,257
May
$1,050
Jun
$1,045
Jul
$1,045
Aug
$975
Sep
$980
Oct
$975
Nov
$975
Dec
$1,025
Cheapest Average Expensive
Best Time to Fly from St. Louis to Santiago
The cheapest time to fly from St. Louis to Santiago is typically October, when fares average around $975. The most expensive month tends to be March at around $1,662. For the best deals, consider flying in October, November, January.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $77563 price checksWorst: $861