Cheapest return flights from London to Porto in September from 212€

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

Return flights

22 Sep - 28 Sep Iberia
15 Sep - 21 Sep Iberia
21 Sep - 28 Sep Iberia
21 Sep - 27 Sep Iberia
15 Sep - 20 Sep Iberia
15 Sep - 18 Sep Iberia
22 Sep - 25 Sep Iberia
30 Sep - 04 Oct Iberia
25 Sep - 27 Sep Luxair
20 Sep - 25 Sep Iberia
20 Sep - 23 Sep Iberia
28 Sep - 01 Oct Iberia
23 Sep - 04 Oct Iberia
24 Sep - 01 Oct Iberia
24 Sep - 04 Oct Iberia
25 Sep - 04 Oct Iberia
24 Sep - 02 Oct Luxair
04 Sep - 25 Oct Luxair
24 Sep - 03 Oct Luxair
25 Sep - 01 Oct 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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