Route Price Intelligence
Cheap Flights From St. Louis to Helsinki
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$917
Deals From
$784
Usually Costs
$784 – $1,134
Lowest We've Seen
$426
Based on 3,572 price pointshigh confidence
Monthly Price Guide
Jan
$754
Feb
$789
Mar
$1,111
Apr
$999
May
$1,015
Jun
$1,210
Jul
$1,153
Aug
$889
Sep
$786
Oct
$754
Nov
$754
Dec
$953
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 $754. The most expensive month tends to be June at around $1,210. 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: $48466 price checksWorst: $727