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

Return flights

06 Dec - 13 Dec	Wizz Air
09 Dec - 13 Dec	easyJet
16 Dec - 27 Dec	Finnair
23 Dec - 13 Jan	LOT
27 Dec - 03 Jan	Finnair
24 Dec - 03 Jan	Finnair
20 Dec - 20 Jan	easyJet
23 Dec - 03 Jan	Finnair
20 Dec - 05 Jan	Scandinavian Airlines
19 Dec - 31 Dec	Wizz Air Malta
19 Dec - 30 Dec	Wizz Air Malta
22 Dec - 03 Jan	Scandinavian Airlines
20 Dec - 03 Jan	easyJet
06 Dec - 13 Dec	airBaltic	direct
09 Dec - 13 Dec	airBaltic	direct
20 Dec - 27 Dec	easyJet
27 Dec - 03 Jan	airBaltic	direct
23 Dec - 13 Jan	airBaltic	direct
16 Dec - 27 Dec	airBaltic	direct

Also check the deals for one-way flights from Keflavik 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 Keflavik to Riga in December from 219€

Return flights