Cheapest return flights from London to Porto in March from $230

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

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

Return flights

10 Mar - 16 Mar SWISS
25 Mar - 30 Mar SWISS
03 Mar - 10 Mar SWISS
06 Mar - 16 Mar SWISS
13 Mar - 16 Mar SWISS
24 Mar - 30 Mar SWISS
25 Mar - 31 Mar SWISS
03 Mar - 07 Mar SWISS
13 Mar - 20 Mar SWISS
06 Mar - 13 Mar SWISS
28 Mar - 01 Apr SWISS
28 Mar - 03 Apr SWISS
27 Mar - 01 Apr SWISS
27 Mar - 02 Apr SWISS
26 Mar - 01 Apr SWISS
29 Mar - 01 Apr KLM
29 Mar - 02 Apr KLM
29 Mar - 04 Apr SWISS
10 Mar - 21 Apr KLM

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

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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