Cheapest return flights from London to Porto in August from 240€

AirHint found the following cheapest return flights from London (LCY) to Porto (OPO) in August 2026 (see full year).

Return flights

28 Aug - 01 Sep Luxair
19 Aug - 01 Sep KLM
28 Aug - 31 Aug Luxair
19 Aug - 31 Aug KLM
31 Aug - 08 Sep KLM
17 Aug - 31 Aug KLM
12 Aug - 20 Aug KLM
29 Aug - 05 Sep KLM
18 Aug - 20 Aug KLM
30 Aug - 06 Sep KLM
18 Aug - 30 Aug KLM
18 Aug - 27 Aug KLM
03 Aug - 04 Aug KLM
26 Aug - 29 Aug KLM
19 Aug - 28 Aug KLM

Also check the deals for one-way flights from London to Porto in August.

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