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

Return flights

10 Sep - 23 Sep	WestJet
22 Sep - 29 Sep	WestJet
09 Sep - 22 Sep	WestJet
22 Sep - 22 Oct	WestJet
15 Sep - 29 Sep	WestJet
05 Sep - 21 Sep	WestJet
02 Sep - 17 Sep	Cathay Pacific
09 Sep - 30 Sep	WestJet
02 Sep - 16 Sep	WestJet
02 Sep - 22 Sep	WestJet
02 Sep - 23 Sep	WestJet
10 Sep - 06 Oct	WestJet
23 Sep - 22 Oct	WestJet
23 Sep - 14 Oct	WestJet
23 Sep - 28 Oct	WestJet
08 Sep - 10 Oct	Cathay Pacific
16 Sep - 09 Oct	WestJet
23 Sep - 11 Oct	WestJet
10 Sep - 07 Oct	WestJet
24 Sep - 15 Oct	WestJet

Also check the deals for one-way flights from Edmonton 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 Edmonton to Bangkok in September from 664€

Return flights