AirHint found the following cheapest return flights from Taipei (TPE) to London (LGW) in September 2025 (see full year).

Return flights

15 Sep - 22 Sep	Hainan Airlines
11 Sep - 24 Sep	HK Express
06 Sep - 08 Sep	Philippines AirAsia Inc.
19 Sep - 24 Sep	HK Express
06 Sep - 13 Sep	Air China
03 Sep - 10 Sep	Air China
09 Sep - 12 Sep	Air China
07 Sep - 12 Sep	Air China
19 Sep - 03 Oct	China Southern
12 Sep - 17 Sep	Hainan Airlines
22 Sep - 03 Oct	HK Express
12 Sep - 15 Sep	Hainan Airlines
04 Sep - 02 Oct	Air China
30 Sep - 07 Oct	Batik Air Malaysia
09 Sep - 02 Oct	Air China
04 Sep - 03 Oct	China Eastern
02 Sep - 02 Oct	Air China
24 Sep - 15 Oct	China Eastern
27 Sep - 04 Oct	AirAsia X
25 Sep - 03 Oct	AirAsia X

Also check the deals for one-way flights from Taipei to London 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 return flights from Taipei to London in September from $774

Return flights