Cheapest return flights from London (LHR) to Bangkok (BKK), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
15 Sep 11 Oct Air China
11 Sep 11 Oct Air China
19 Sep 13 Oct Air China
20 Sep 15 Oct Air China
15 Sep 13 Oct Air China
09 Sep 20 Oct Xiamen Airlines
06 Sep 17 Oct Xiamen Airlines
18 Sep 10 Oct Xiamen Airlines
11 Sep 17 Oct Xiamen Airlines
15 Sep 15 Oct Air China
02 Sep 08 Sep Hainan Airlines
03 Sep 08 Sep Air China
02 Sep 10 Sep Air China
03 Sep 10 Sep Air China
06 Sep 09 Sep Air China
01 Sep 09 Sep Air China
05 Sep 09 Sep Air China
01 Sep 08 Sep Air China
16 Sep 21 Sep Shenzhen Airlines
02 Sep 11 Sep Shenzhen Airlines
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Updated Jul 21, 2026.

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