Cheapest return flights from London to Porto in May from $196

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

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

Return flights

29 May - 03 Jun Vueling Airlines
31 May - 05 Jun Vueling Airlines
31 May - 14 Jun Vueling Airlines
31 May - 03 Jun Vueling Airlines
31 May - 06 Jun Vueling Airlines
31 May - 04 Jun Vueling Airlines
29 May - 04 Jun Vueling Airlines
29 May - 05 Jun Vueling Airlines
31 May - 11 Jun Vueling Airlines
28 May - 04 Jun Vueling Airlines
20 May - 21 May Vueling Airlines
13 May - 15 May Vueling Airlines
27 May - 29 May Vueling Airlines
27 May - 28 May Vueling Airlines
20 May - 28 May Vueling Airlines
20 May - 22 May Vueling Airlines
20 May - 24 May Vueling Airlines
13 May - 27 May Vueling Airlines
17 May - 27 May Vueling Airlines
18 May - 21 May Aer Lingus

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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