Cheapest return flights from Porto to London in March from $115

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

Return flights

18 Mar - 24 Mar Ryanair direct
22 Mar - 24 Mar Ryanair direct
19 Mar - 22 Mar Ryanair direct
18 Mar - 22 Mar Ryanair direct
11 Mar - 24 Mar Ryanair direct
11 Mar - 15 Mar Ryanair direct
11 Mar - 22 Mar Ryanair direct
15 Mar - 24 Mar Ryanair direct
18 Mar - 23 Mar Ryanair direct
19 Mar - 24 Mar Ryanair direct
22 Mar - 09 Apr Ryanair direct
19 Mar - 09 Apr Ryanair direct
23 Mar - 09 Apr Ryanair direct
18 Mar - 05 Apr Ryanair direct
22 Mar - 05 Apr Ryanair direct
15 Mar - 05 Apr Ryanair direct
19 Mar - 05 Apr Ryanair direct
18 Mar - 06 Apr Ryanair direct
22 Mar - 06 Apr Ryanair direct
23 Mar - 13 Apr Ryanair direct

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