Cheapest return flights from London to Porto in March from 243€

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

Return flights

30 Mar - 09 Apr KLM
30 Mar - 04 Apr KLM
31 Mar - 03 Apr KLM
30 Mar - 03 Apr KLM
31 Mar - 08 Apr KLM
30 Mar - 14 Apr KLM
31 Mar - 14 Apr KLM
30 Mar - 02 Apr KLM
31 Mar - 29 Apr KLM
30 Mar - 29 Apr KLM
30 Mar - 31 Mar KLM
29 Mar - 31 Mar KLM
25 Mar - 30 Mar SWISS
30 Mar - 30 Mar SWISS
25 Mar - 26 Mar SWISS
31 Mar - 31 Mar KLM
25 Mar - 27 Mar SWISS
25 Mar - 29 Mar SWISS
26 Mar - 30 Mar SWISS
26 Mar - 31 Mar SWISS

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

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