Cheapest return flights from St. Louis to Barcelona in July from $779

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 July 2025 (see full year).

Return flights

15 Jul - 30 Jul Air Canada
02 Jul - 09 Jul United
16 Jul - 24 Jul Air Canada
29 Jul - 05 Aug United
23 Jul - 30 Jul United
08 Jul - 15 Jul United
15 Jul - 31 Jul Air Canada
16 Jul - 31 Jul Air Canada
11 Jul - 22 Jul Air Canada
11 Jul - 18 Jul United
04 Jul - 11 Jul United
26 Jul - 02 Aug United

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

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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