Route Price Intelligence
Cheap Flights From St. Louis to Barcelona
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$750
Deals From
$648
Usually Costs
$648 – $933
Lowest We've Seen
$425
Based on 8,393 price pointshigh confidence
Monthly Price Guide
Jan
$669
Feb
$682
Mar
$687
Apr
$576
May
$785
Jun
$1,085
Jul
$900
Aug
$717
Sep
$643
Oct
$647
Nov
$554
Dec
$719
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 $554. The most expensive month tends to be June at around $1,085. For the best deals, consider flying in November, April, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $42559 price checksWorst: $599