Route Price Intelligence
Cheap Flights From St. Louis to Helsinki
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$855
Deals From
$747
Usually Costs
$747 – $1,052
Lowest We've Seen
$426
Based on 7,706 price pointshigh confidence
Monthly Price Guide
Jan
$727
Feb
$827
Mar
$1,004
Apr
$928
May
$900
Jun
$1,177
Jul
$1,109
Aug
$824
Sep
$757
Oct
$727
Nov
$727
Dec
$930
Cheapest Average Expensive
Best Time to Fly from St. Louis to Helsinki
The cheapest time to fly from St. Louis to Helsinki is typically October, when fares average around $727. The most expensive month tends to be June at around $1,177. 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: $42681 price checksWorst: $727