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

Return flights

05 Dec - 12 Dec	Ryanair
31 Dec - 16 Jan	Ryanair
05 Dec - 07 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
12 Dec - 17 Dec	Ryanair
15 Dec - 17 Dec	Ryanair
06 Dec - 14 Dec	Ryanair
01 Dec - 03 Dec	Ryanair
07 Dec - 12 Dec	Ryanair
03 Dec - 07 Dec	Ryanair
31 Dec - 15 Jan	Ryanair
31 Dec - 14 Jan	Ryanair
15 Dec - 05 Jan	Ryanair
29 Dec - 23 Jan	Wizz Air Malta
23 Dec - 06 Jan	LOT
28 Dec - 08 Jan	LOT
29 Dec - 16 Jan	LOT
29 Dec - 22 Jan	LOT
31 Dec - 15 Jan	airBaltic	direct

Also check the deals for one-way flights from Frankfurt to Riga 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 Riga in December from 121€

Return flights