Cheapest return flights from Porto to London in May from $49

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

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

Return flights

21 May - 04 Jun Ryanair direct
15 May - 04 Jun Ryanair direct
23 May - 04 Jun Ryanair direct
21 May - 03 Jun Ryanair direct
15 May - 03 Jun Ryanair direct
20 May - 04 Jun Ryanair direct
21 May - 07 Jun Ryanair direct
23 May - 03 Jun Ryanair direct
24 May - 04 Jun Ryanair direct
21 May - 31 May Ryanair direct
21 May - 01 Jun Ryanair direct
15 May - 31 May Ryanair direct
21 May - 30 May Ryanair direct
24 May - 29 May Ryanair direct
15 May - 30 May Ryanair direct
23 May - 31 May Ryanair direct
21 May - 29 May Ryanair direct
15 May - 29 May Ryanair direct
23 May - 30 May Ryanair direct
20 May - 31 May Ryanair direct

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

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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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