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

Return flights

02 Dec - 06 Dec	easyJet
06 Dec - 13 Dec	easyJet
02 Dec - 13 Jan	easyJet
09 Dec - 13 Jan	easyJet
06 Dec - 09 Dec	Wizz Air
06 Dec - 10 Jan	easyJet
06 Dec - 03 Jan	Wizz Air
05 Dec - 07 Dec	easyJet
05 Dec - 12 Dec	easyJet
05 Dec - 08 Dec	easyJet
18 Dec - 06 Jan	Finnair
22 Dec - 06 Jan	Finnair
12 Dec - 04 Jan	Wizz Air
20 Dec - 05 Jan	Finnair
20 Dec - 06 Jan	Finnair
20 Dec - 03 Jan	Finnair
20 Dec - 23 Dec	Finnair
26 Dec - 28 Dec	Wizz Air
06 Dec - 13 Dec	airBaltic	direct
02 Dec - 06 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