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

Return flights

02 Sep - 30 Oct	AJet
12 Sep - 14 Sep	Air China
15 Sep - 23 Sep	Air China
05 Sep - 07 Sep	Air China
19 Sep - 21 Sep	Air China
13 Sep - 02 Oct	Wizz Air Malta
07 Sep - 18 Sep	Air China
01 Sep - 14 Sep	Air China
04 Sep - 21 Sep	Air China
07 Sep - 16 Sep	Air China
07 Sep - 22 Sep	Air China
04 Sep - 22 Sep	Air China
30 Sep - 23 Oct	AJet
15 Sep - 15 Oct	Air China
30 Sep - 30 Oct	AJet
01 Sep - 29 Oct	Air China
11 Sep - 02 Oct	Etihad Airways
02 Sep - 02 Oct	Etihad Airways
20 Sep - 09 Oct	Pegasus Airlines
21 Sep - 06 Oct	Etihad Airways

Also check the deals for one-way flights from Copenhagen 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Copenhagen to Bangkok in September from 491€

Return flights