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

Return flights

31 Dec - 15 Jan	Ryanair
31 Dec - 11 Jan	Ryanair
31 Dec - 10 Jan	Ryanair
31 Dec - 19 Jan	Ryanair	direct
31 Dec - 18 Jan	Ryanair	direct
31 Dec - 08 Jan	Ryanair
31 Dec - 15 Jan	Ryanair	direct
27 Dec - 15 Jan	Ryanair	direct
31 Dec - 09 Jan	Ryanair
31 Dec - 01 Jan	Ryanair
27 Dec - 31 Dec	Ryanair	direct
29 Dec - 31 Dec	Ryanair	direct
22 Dec - 31 Dec	Ryanair
22 Dec - 27 Dec	Ryanair
20 Dec - 28 Dec	Lufthansa	direct
22 Dec - 26 Dec	Ryanair
20 Dec - 22 Dec	Lufthansa	direct
21 Dec - 31 Dec	Ryanair	direct
22 Dec - 29 Dec	Ryanair
22 Dec - 24 Dec	Ryanair

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

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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Cheapest return flights from Frankfurt to Barcelona in December from 87€

Return flights