Cheapest return flights from London to Riga in September from $258

Best time to book flights for London (LCY) to Riga (RIX) flights at AirHint

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

Return flights

15 Sep - 19 Sep Lufthansa
16 Sep - 22 Sep Lufthansa
17 Sep - 29 Sep Lufthansa
15 Sep - 22 Sep Lufthansa
26 Sep - 29 Sep Lufthansa
08 Sep - 17 Sep Lufthansa
20 Sep - 25 Sep KLM
27 Sep - 29 Sep SWISS
18 Sep - 23 Sep KLM
18 Sep - 30 Sep KLM
19 Sep - 01 Oct KLM
27 Sep - 08 Oct KLM
29 Sep - 04 Oct KLM
27 Sep - 04 Oct KLM
27 Sep - 05 Oct KLM
28 Sep - 08 Oct KLM
28 Sep - 04 Oct KLM

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

Skyscanner

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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