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

Return flights

10 Dec - 10 Dec	Wizz Air
13 Dec - 17 Dec	Ryanair
05 Dec - 12 Dec	Wizz Air
15 Dec - 19 Dec	Ryanair
02 Dec - 04 Dec	Wizz Air
09 Dec - 11 Dec	Wizz Air UK
13 Dec - 15 Dec	Ryanair
01 Dec - 05 Dec	Wizz Air
05 Dec - 09 Dec	Wizz Air
01 Dec - 04 Dec	Ryanair
27 Dec - 02 Jan	Wizz Air
26 Dec - 10 Jan	Wizz Air
30 Dec - 04 Jan	Wizz Air
27 Dec - 01 Jan	Wizz Air
30 Dec - 06 Jan	Wizz Air

Also check the deals for one-way flights from London 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 London to Riga in December from 157€

Return flights