Cheapest one-way flights from London to Porto in August from $172

AirHint found the following cheapest one-way flights from London (LCY) to Porto (OPO) in August 2026 (see full year).

One-Way flights

28 Aug Luxair
27 Aug Luxair
24 Aug Luxair
07 Aug KLM
12 Aug Luxair
02 Aug SWISS

Also check the deals for return flights from London to Porto in August.

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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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