Route Price Intelligence
Cheap Flights From St. Louis to San Salvador
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$561
Deals From
$545
Usually Costs
$545 – $614
Lowest We've Seen
$273
Based on 7,842 price pointshigh confidence
Monthly Price Guide
Jan
$557
Feb
$569
Mar
$579
Apr
$552
May
$552
Jun
$579
Jul
$595
Aug
$556
Sep
$545
Oct
$552
Nov
$572
Dec
$735
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 December at around $735. For the best deals, consider flying in September, October, April.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $30380 price checksWorst: $545