Cheapest return flights from London to Porto in August from 221€

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

Return flights

28 Aug - 31 Aug Luxair
28 Aug - 07 Sep Luxair
10 Aug - 12 Aug KLM
10 Aug - 14 Aug KLM
19 Aug - 26 Aug KLM
10 Aug - 24 Aug KLM
10 Aug - 18 Aug KLM
26 Aug - 01 Sep Luxair
26 Aug - 02 Sep Luxair
21 Aug - 01 Sep Luxair
24 Aug - 04 Sep Luxair
22 Aug - 02 Sep KLM
22 Aug - 01 Sep KLM
27 Aug - 31 Aug Luxair
26 Aug - 31 Aug Luxair
24 Aug - 26 Aug Luxair
22 Aug - 31 Aug KLM
30 Aug - 01 Sep KLM
17 Aug - 03 Sep Iberia
03 Aug - 01 Sep Iberia

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

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