Cheapest return flights from London to Porto in March from $135

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 March 2025 (see full year).

Return flights

09 Mar - 11 Mar Vueling Airlines
25 Mar - 27 Mar Vueling Airlines
01 Mar - 04 Mar Vueling Airlines
16 Mar - 18 Mar TAP
01 Mar - 11 Mar Vueling Airlines
25 Mar - 08 Apr Vueling Airlines
24 Mar - 03 Apr TAP
01 Mar - 10 Mar Vueling Airlines
25 Mar - 01 Apr Vueling Airlines
22 Mar - 08 Apr Vueling Airlines
05 Mar - 19 Mar Vueling Airlines
02 Mar - 04 Mar Vueling Airlines
22 Mar - 01 Apr Vueling Airlines
04 Mar - 05 Mar Vueling Airlines
24 Mar - 27 Mar TAP
25 Mar - 09 Apr Vueling Airlines
19 Mar - 08 Apr Vueling Airlines
22 Mar - 09 Apr Vueling Airlines
12 Mar - 01 Apr Vueling Airlines
19 Mar - 01 Apr Vueling Airlines

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

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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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