Cheapest return flights from London to Porto in August from 103€

Best time to book flights for London (STN) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Porto (OPO) in August 2025 (see full year).

Return flights

31 Aug - 17 Sep Ryanair direct
31 Aug - 19 Sep Ryanair direct
27 Aug - 17 Sep Ryanair direct
29 Aug - 17 Sep Ryanair direct
29 Aug - 19 Sep Ryanair direct
30 Aug - 17 Sep Ryanair direct
30 Aug - 19 Sep Ryanair direct
28 Aug - 17 Sep Ryanair direct
31 Aug - 12 Sep Ryanair direct
31 Aug - 18 Sep Ryanair direct
18 Aug - 19 Aug Ryanair direct
06 Aug - 07 Aug Ryanair direct
06 Aug - 08 Aug Ryanair direct
19 Aug - 19 Aug Ryanair direct
25 Aug - 28 Aug Ryanair
11 Aug - 13 Aug Ryanair direct
07 Aug - 08 Aug Ryanair direct
20 Aug - 22 Aug Ryanair direct
18 Aug - 22 Aug Ryanair direct
21 Aug - 28 Aug Ryanair

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

Skyscanner

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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