Cheapest one-way flights from London to Porto in May from $89

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

AirHint found the following cheapest one-way flights from London (LHR) to Porto (OPO) in May 2025 (see full year).

One-Way flights

13 May Vueling Airlines
31 May Vueling Airlines
14 May Vueling Airlines
07 May Vueling Airlines
08 May Vueling Airlines
12 May Vueling Airlines
19 May Vueling Airlines
06 May Vueling Airlines
10 May Iberia
20 May Vueling Airlines

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

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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