Cheapest return flights from London to Porto in August from $194

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

Return flights

25 Aug - 15 Sep Vueling Airlines
26 Aug - 15 Sep Vueling Airlines
25 Aug - 11 Sep Vueling Airlines
26 Aug - 16 Sep Vueling Airlines
25 Aug - 14 Sep Vueling Airlines
27 Aug - 15 Sep Vueling Airlines
27 Aug - 16 Sep Vueling Airlines
25 Aug - 08 Sep Vueling Airlines
26 Aug - 11 Sep Vueling Airlines
26 Aug - 14 Sep Vueling Airlines
12 Aug - 17 Aug TAP
13 Aug - 18 Aug TAP
08 Aug - 13 Aug TAP
05 Aug - 12 Aug Iberia
25 Aug - 26 Aug Vueling Airlines
11 Aug - 14 Aug Iberia
05 Aug - 11 Aug Iberia
26 Aug - 31 Aug Iberia
18 Aug - 19 Aug Vueling Airlines
06 Aug - 07 Aug Iberia

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

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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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