Cheapest return flights from London to Porto in May from 148€

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

Return flights

08 May - 14 May TAP
13 May - 13 May Vueling Airlines
13 May - 19 May Vueling Airlines
13 May - 20 May Vueling Airlines
09 May - 15 May Iberia
12 May - 15 May Iberia
19 May - 20 May Vueling Airlines
30 May - 16 Jun Vueling Airlines
06 May - 13 May Iberia
09 May - 13 May Iberia
12 May - 19 May Iberia
30 May - 09 Jun Vueling Airlines
30 May - 12 Jun Vueling Airlines
30 May - 04 Jun Vueling Airlines
27 May - 18 Jun Iberia
29 May - 01 Jun TAP
27 May - 16 Jun Vueling Airlines
19 May - 09 Jun Vueling Airlines
30 May - 18 Jun Vueling Airlines
30 May - 19 Jun Vueling Airlines

Also check the deals for one-way 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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