Cheapest return flights from Frankfurt to Barcelona in September from $81

Best time to book flights for Frankfurt (FRA) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Frankfurt (FRA) to Barcelona (BCN) in September 2025 (see full year).

Return flights

02 Sep - 16 Sep Ryanair direct
02 Sep - 04 Sep Ryanair direct
01 Sep - 16 Sep Ryanair direct
01 Sep - 04 Sep Ryanair direct
09 Sep - 16 Sep Ryanair direct
11 Sep - 16 Sep Ryanair direct
11 Sep - 18 Sep Ryanair direct
06 Sep - 09 Sep Ryanair direct
01 Sep - 09 Sep Ryanair direct
04 Sep - 16 Sep Ryanair direct

Also check the deals for one-way flights from Frankfurt to Barcelona in September.

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona