Cheapest return flights from London to Porto in May from 245€

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

Return flights

28 May - 02 Jun Luxair
22 May - 29 May Luxair
25 May - 29 May SWISS
08 May - 11 May Luxair
22 May - 25 May Luxair
01 May - 05 May Luxair
04 May - 08 May Luxair
11 May - 14 May Luxair
10 May - 16 May Luxair
16 May - 23 May Luxair
05 May - 13 May KLM

Also check the deals for one-way 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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