Cheapest return flights from Porto to London in September from $164

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

Return flights

08 Sep - 22 Sep Ryanair direct
08 Sep - 15 Sep Ryanair direct
04 Sep - 22 Sep Ryanair direct
04 Sep - 15 Sep Ryanair direct
08 Sep - 20 Sep Ryanair direct
20 Sep - 22 Sep Ryanair direct
08 Sep - 24 Sep Ryanair direct
08 Sep - 16 Sep Ryanair direct
13 Sep - 22 Sep Ryanair direct
13 Sep - 15 Sep Ryanair direct
27 Sep - 14 Oct Ryanair direct
27 Sep - 10 Oct Ryanair direct
20 Sep - 10 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
28 Sep - 10 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
27 Sep - 09 Oct Ryanair direct
20 Sep - 09 Oct Ryanair direct
28 Sep - 15 Oct Ryanair direct
28 Sep - 09 Oct Ryanair direct

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

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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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