Cheapest return flights from London to Porto in May from 181€

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

Return flights

14 May - 28 May TAP
09 May - 21 May TAP
14 May - 21 May TAP
09 May - 12 May TAP
10 May - 20 May TAP
19 May - 27 May TAP
09 May - 11 May TAP
09 May - 16 May TAP
08 May - 12 May TAP
08 May - 13 May TAP
27 May - 02 Jun TAP
29 May - 01 Jun TAP
28 May - 21 Jun SWISS
20 May - 03 Jun British Airways

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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