AirHint found the following cheapest one-way flights from Porto (OPO) to London (LGW) in March 2026 (see full year).

One-Way flights

26 Mar	easyJet	direct
25 Mar	easyJet	direct
23 Mar	Iberia
10 Mar	easyJet	direct
18 Mar	easyJet	direct
11 Mar	easyJet	direct
06 Mar	easyJet	direct
14 Mar	easyJet	direct
09 Mar	easyJet	direct
15 Mar	easyJet	direct

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

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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Cheapest one-way flights from Porto to London in March from 22€

One-Way flights