AirHint found the following cheapest one-way flights from London (LHR) to Jeddah (JED) in September 2025 (see full year).

One-Way flights

01 Sep	British Airways
16 Sep	Vueling Airlines
30 Sep	British Airways
20 Sep	British Airways
22 Sep	British Airways
27 Sep	British Airways
10 Sep	British Airways
17 Sep	British Airways
15 Sep	British Airways
08 Sep	British Airways

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

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 London to Jeddah in September from 127€

One-Way flights