Route Price Intelligence
Cheap Flights From St. Louis to Helsinki
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$921
Deals From
$794
Usually Costs
$794 – $1,136
Lowest We've Seen
$426
Based on 2,917 price pointshigh confidence
Monthly Price Guide
Jan
$754
Feb
$777
Mar
$827
Apr
$996
May
$1,018
Jun
$1,209
Jul
$1,153
Aug
$895
Sep
$786
Oct
$754
Nov
$754
Dec
$932
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 $1,209. 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: $48464 price checksWorst: $727