Cheapest one-way flights from London to Porto in May from $142

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

One-Way flights

12 May ITA Airways
05 May Iberia
20 May Iberia
15 May SWISS
27 May Iberia
09 May KLM
26 May ITA Airways
28 May Iberia
18 May Iberia
06 May Iberia

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

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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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