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

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

Return flights

05 May - 12 May KLM
05 May - 09 May KLM
19 May - 26 May KLM
19 May - 20 May Iberia
26 May - 02 Jun Iberia
26 May - 16 Jun Iberia
26 May - 28 May Iberia
19 May - 27 May Iberia
18 May - 19 May Iberia
26 May - 01 Jun Iberia
25 May - 28 May Iberia
27 May - 02 Jun Iberia
11 May - 20 May SWISS
29 May - 01 Jun Iberia
25 May - 04 Jun Iberia
06 May - 09 May KLM
29 May - 04 Jun KLM
29 May - 02 Jun KLM
30 May - 01 Jun KLM
20 May - 01 Jun Iberia

Also check the deals for one-way flights from London to Porto in May.

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