Cheapest return flights from St. Louis to Barcelona in April from $626

Best time to book flights for St. Louis (STL) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from St. Louis (STL) to Barcelona (BCN) in April 2025 (see full year).

Return flights

01 Apr - 08 Apr United
15 Apr - 22 Apr United
09 Apr - 16 Apr United
21 Apr - 28 Apr United
18 Apr - 25 Apr United
06 Apr - 13 Apr United
03 Apr - 10 Apr United
30 Apr - 07 May United
27 Apr - 04 May United
24 Apr - 01 May United
12 Apr - 19 Apr United
15 Apr - 19 Apr Air Canada

Also check the deals for one-way flights from St. Louis to Barcelona in April.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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