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 | ||
| 26 Aug | Luxair | ||
| 18 Aug | KLM | ||
| 06 Aug | KLM | ||
| 05 Aug | KLM | ||
| 25 Aug | Luxair | ||
| 04 Aug | KLM | ||
| 07 Aug | KLM |
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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