Cheapest return flights from London to Porto in October from $248

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

02 Oct - 06 Oct SWISS
01 Oct - 05 Oct SWISS
02 Oct - 05 Oct SWISS
03 Oct - 06 Oct Luxair
04 Oct - 06 Oct SWISS
10 Oct - 14 Oct SWISS
07 Oct - 10 Oct KLM
10 Oct - 13 Oct Luxair
09 Oct - 12 Oct SWISS
19 Oct - 22 Oct Luxair

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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