Cheapest return flights from London to Porto in August from 185€

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

Return flights

24 Aug - 01 Sep Iberia
25 Aug - 31 Aug Iberia
14 Aug - 31 Aug Iberia
31 Aug - 01 Sep TAP
21 Aug - 29 Aug TAP
20 Aug - 25 Aug Iberia
01 Aug - 04 Aug Iberia
21 Aug - 28 Aug TAP
07 Aug - 10 Aug Iberia
12 Aug - 18 Aug Iberia
10 Aug - 18 Aug Iberia
05 Aug - 10 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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