Cheapest one-way flights from Porto to London in March from $23

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

AirHint found the following cheapest one-way flights from Porto (OPO) to London (STN) in March 2025 (see full year).

One-Way flights

22 Mar Ryanair direct
21 Mar Ryanair direct
30 Mar Ryanair direct
28 Mar Ryanair direct
31 Mar Ryanair direct
26 Mar Vueling Airlines
26 Mar Ryanair direct
19 Mar Ryanair direct
16 Mar Ryanair
16 Mar Ryanair direct

Also check the deals for return flights from Porto to London 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.

Book a cheap hotel in London

Cheap car rent in London