Route Price Intelligence
Cheap Flights From St. Louis to Barcelona
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$937
Deals From
$816
Usually Costs
$816 – $1,148
Lowest We've Seen
$425
Based on 8,564 price pointshigh confidence
Monthly Price Guide
Jan
$773
Feb
$803
Mar
$1,036
Apr
$956
May
$1,087
Jun
$1,368
Jul
$1,164
Aug
$931
Sep
$860
Oct
$782
Nov
$773
Dec
$905
Cheapest Average Expensive
Best Time to Fly from St. Louis to Barcelona
The cheapest time to fly from St. Louis to Barcelona is typically November, when fares average around $773. The most expensive month tends to be June at around $1,368. For the best deals, consider flying in November, January, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $42789 price checksWorst: $746