AirHint found the following cheapest return flights from London (LCY) to Riga (RIX) in March 2026 (see full year).

Return flights

16 Mar - 23 Mar	Lufthansa
06 Mar - 09 Mar	Lufthansa
20 Mar - 08 Apr	KLM
12 Mar - 19 Mar	KLM
04 Mar - 13 Mar	KLM
05 Mar - 09 Mar	KLM
02 Mar - 05 Mar	KLM
25 Mar - 13 Apr	Lufthansa
01 Mar - 13 Mar	KLM
31 Mar - 06 Apr	Lufthansa
12 Mar - 17 Mar	KLM
24 Mar - 27 Mar	KLM
05 Mar - 15 Mar	KLM
30 Mar - 01 Apr	Lufthansa
31 Mar - 01 Apr	KLM
31 Mar - 05 Apr	Lufthansa
28 Mar - 12 Apr	KLM
29 Mar - 08 Apr	SWISS

Also check the deals for one-way flights from London to Riga in March.

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 March from 258€

Return flights