Cheapest return flights from London to Porto in September from 226€

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

Return flights

11 Sep - 15 Sep Luxair
01 Sep - 30 Sep Luxair
23 Sep - 30 Sep Luxair
22 Sep - 29 Sep Luxair
24 Sep - 28 Sep Luxair
29 Sep - 03 Oct Luxair
10 Sep - 17 Sep Luxair
15 Sep - 19 Sep Luxair
27 Sep - 30 Sep Luxair
21 Sep - 25 Sep Luxair
18 Sep - 21 Sep Luxair

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