Cheapest return flights from London to Porto in March from $101

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

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

Return flights

10 Mar - 12 Mar easyJet direct
09 Mar - 25 Mar Ryanair direct
09 Mar - 23 Mar Ryanair direct
09 Mar - 15 Mar Ryanair direct
01 Mar - 02 Mar Ryanair direct
03 Mar - 23 Mar Ryanair direct
03 Mar - 15 Mar Ryanair direct
03 Mar - 07 Mar Ryanair direct
06 Mar - 25 Mar Ryanair direct
06 Mar - 23 Mar Ryanair direct
28 Mar - 04 Apr Vueling Airlines
08 Mar - 14 Apr Ryanair direct
29 Mar - 01 Apr KLM
29 Mar - 01 Apr TAP direct
28 Mar - 04 Apr Ryanair direct

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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