Cheapest return flights from London to Porto in October from $314

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

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

Return flights

10 Oct - 13 Oct Luxair
06 Oct - 09 Oct Luxair
03 Oct - 06 Oct Luxair
17 Oct - 20 Oct Luxair
20 Oct - 24 Oct Luxair
03 Oct - 09 Oct Luxair
24 Oct - 27 Oct Luxair
11 Oct - 14 Oct KLM
27 Oct - 31 Oct SWISS
23 Oct - 29 Oct SWISS
30 Oct - 03 Nov SWISS
31 Oct - 07 Nov SWISS
31 Oct - 05 Nov Luxair
28 Oct - 01 Nov KLM
27 Oct - 02 Nov SWISS

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

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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