Cheapest return flights from London to Riga in September from $144

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

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

Return flights

07 Sep - 12 Sep British Airways direct
26 Sep - 29 Sep British Airways direct
07 Sep - 15 Sep British Airways direct
15 Sep - 18 Sep British Airways direct
12 Sep - 15 Sep British Airways direct
16 Sep - 19 Sep Eurowings
26 Sep - 28 Sep British Airways
19 Sep - 22 Sep British Airways direct
05 Sep - 12 Sep British Airways direct
09 Sep - 26 Sep Eurowings
22 Sep - 12 Oct British Airways

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

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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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