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

Return flights

08 Dec - 14 Dec	Ryanair
08 Dec - 18 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
12 Dec - 13 Dec	Ryanair
01 Dec - 05 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
12 Dec - 15 Dec	airBaltic	direct
04 Dec - 08 Dec	airBaltic	direct
05 Dec - 08 Dec	airBaltic	direct
31 Dec - 11 Jan	Ryanair
31 Dec - 09 Jan	Ryanair
31 Dec - 06 Jan	Ryanair
31 Dec - 07 Jan	Ryanair
31 Dec - 05 Jan	Ryanair
31 Dec - 09 Jan	airBaltic	direct
20 Dec - 05 Jan	Ryanair
25 Dec - 08 Jan	airBaltic	direct
30 Dec - 05 Jan	Ryanair
29 Dec - 01 Jan	LOT

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 117€

Return flights