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

Return flights

22 May - 29 May	Lufthansa
11 May - 15 May	Lufthansa
15 May - 19 May	Lufthansa
08 May - 11 May	Lufthansa
15 May - 18 May	Lufthansa
29 May - 01 Jun	Lufthansa
15 May - 25 May	Lufthansa
26 May - 29 May	KLM
30 May - 02 Jun	KLM
11 May - 18 May	Lufthansa
11 May - 16 May	KLM
12 May - 16 May	KLM
26 May - 01 Jun	Lufthansa
27 May - 01 Jun	KLM
30 May - 01 Jun	KLM
25 May - 03 Jun	Air Dolomiti
31 May - 07 Jun	KLM

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

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 May from 220€

Return flights