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

Return flights

31 Dec - 12 Jan	Wizz Air UK
31 Dec - 09 Jan	Wizz Air UK
31 Dec - 11 Jan	Wizz Air UK
29 Dec - 26 Jan	Wizz Air
31 Dec - 17 Jan	Wizz Air UK
31 Dec - 07 Jan	Wizz Air UK
29 Dec - 15 Jan	Wizz Air
30 Dec - 08 Jan	KM Malta Airlines
30 Dec - 27 Jan	KM Malta Airlines
29 Dec - 10 Jan	Wizz Air
29 Dec - 30 Dec	Wizz Air
30 Dec - 31 Dec	easyJet
28 Dec - 31 Dec	Wizz Air
28 Dec - 30 Dec	Wizz Air
27 Dec - 31 Dec	Ryanair
27 Dec - 29 Dec	easyJet
27 Dec - 30 Dec	easyJet
27 Dec - 28 Dec	easyJet
30 Dec - 31 Dec	airBaltic	direct
27 Dec - 27 Dec	Norwegian Air Sweden AOC

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 108€

Return flights