Cheapest return flights from Porto to London in August from $106

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

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

Return flights

05 Aug - 26 Aug Ryanair direct
07 Aug - 26 Aug Ryanair direct
08 Aug - 26 Aug Ryanair direct
07 Aug - 27 Aug Ryanair direct
09 Aug - 26 Aug Ryanair direct
11 Aug - 26 Aug Ryanair direct
08 Aug - 27 Aug Ryanair direct
05 Aug - 25 Aug Ryanair direct
09 Aug - 30 Aug Ryanair direct
09 Aug - 27 Aug Ryanair direct
13 Aug - 02 Sep Ryanair direct
14 Aug - 02 Sep Ryanair direct
12 Aug - 01 Sep Ryanair direct
14 Aug - 03 Sep Ryanair direct
13 Aug - 03 Sep Ryanair direct
13 Aug - 01 Sep Ryanair direct
12 Aug - 02 Sep Ryanair direct
14 Aug - 01 Sep Ryanair direct
14 Aug - 04 Sep Ryanair direct
15 Aug - 02 Sep Ryanair direct

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