Cheapest one-way flights from London to Porto in September from $147

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

One-Way flights

24 Sep ITA Airways
15 Sep ITA Airways
21 Sep ITA Airways
23 Sep Iberia
26 Sep Luxair
18 Sep Luxair
11 Sep ITA Airways
28 Sep Luxair
08 Sep Luxair
09 Sep Luxair

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

Powered by

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 Porto

Cheap car rent in Porto

Feel free to contact us with any feedback or request another flight research.