AirHint found the following cheapest return flights from Edinburgh (EDI) to Bangkok (BKK) in September 2025 (see full year).

Return flights

15 Sep - 27 Oct	easyJet
19 Sep - 26 Sep	easyJet
11 Sep - 21 Oct	easyJet
11 Sep - 19 Oct	easyJet
23 Sep - 16 Oct	easyJet
24 Sep - 16 Oct	easyJet
22 Sep - 16 Oct	easyJet
24 Sep - 15 Oct	easyJet
23 Sep - 21 Oct	easyJet
22 Sep - 14 Oct	SWISS
25 Sep - 09 Oct	British Airways
13 Sep - 23 Sep	Hainan Airlines
23 Sep - 30 Sep	Lufthansa
12 Sep - 21 Sep	Hainan Airlines
09 Sep - 23 Sep	SWISS
16 Sep - 30 Sep	SWISS
10 Sep - 24 Sep	SWISS
10 Sep - 25 Sep	SWISS
12 Sep - 24 Sep	SWISS
14 Sep - 26 Sep	SWISS

Also check the deals for one-way flights from Edinburgh to Bangkok 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 Edinburgh to Bangkok in September from 454€

Return flights