Route Price Intelligence
Cheap Flights From St. Louis to San Salvador
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$574
Deals From
$555
Usually Costs
$555 – $630
Lowest We've Seen
$273
Based on 3,222 price pointshigh confidence
Monthly Price Guide
Jan
$610
Feb
$570
Mar
$917
Apr
$572
May
$572
Jun
$574
Jul
$601
Aug
$570
Sep
$545
Oct
$570
Nov
$572
Dec
$747
Cheapest Average Expensive
Best Time to Fly from St. Louis to San Salvador
The cheapest time to fly from St. Louis to San Salvador is typically September, when fares average around $545. The most expensive month tends to be March at around $917. For the best deals, consider flying in September, October, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $38463 price checksWorst: $551