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

One-Way flights

14 Sep	Brussels Airlines
23 Sep	Vueling Airlines
18 Sep	Brussels Airlines
15 Sep	Aegean Airlines
27 Sep	British Airways
12 Sep	British Airways
20 Sep	British Airways
22 Sep	Scandinavian Airlines
02 Sep	Scandinavian Airlines
11 Sep	Brussels Airlines

Also check the deals for return flights from London to Doha 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 Doha in September from 139€

One-Way flights