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

Return flights

29 Dec - 17 Jan	Ryanair	direct
29 Dec - 12 Jan	Ryanair	direct
29 Dec - 10 Jan	Ryanair	direct
27 Dec - 12 Jan	Ryanair	direct
27 Dec - 10 Jan	Ryanair	direct
29 Dec - 05 Jan	Ryanair	direct
27 Dec - 05 Jan	Ryanair	direct
27 Dec - 29 Dec	Ryanair	direct
29 Dec - 03 Jan	Ryanair	direct
29 Dec - 31 Dec	Ryanair
27 Dec - 03 Jan	Ryanair	direct
27 Dec - 30 Dec	Ryanair
28 Dec - 30 Dec	Aer Lingus
30 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Frankfurt to Kerry 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 Kerry in December from $89

Return flights