United flights from Barcelona to Saint Louis from 680€ *

Featured daily fares for flights from Barcelona (BCN) to Saint Louis (STL)

US $ 254
Displaying fares for March-2025
29

Sa

MAR

04

Fr

20

Tu

03

Tu

01

Tu

JUL

06

We

01

Mo

SEP

01

We

OCT

01

Sa

NOV

21

Su

22

Th

13

Fr

RangeUS $ 254-US $ 587