Cheapest return flights from Calgary to Bangkok in September from $649

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

Return flights

10 Sep - 25 Sep WestJet
13 Sep - 24 Sep WestJet
15 Sep - 25 Sep WestJet
25 Sep - 02 Oct WestJet
13 Sep - 19 Sep Philippine Airlines
11 Sep - 15 Sep Philippine Airlines
26 Sep - 03 Oct WestJet
12 Sep - 03 Oct WestJet
12 Sep - 19 Sep Philippine Airlines
15 Sep - 20 Sep Korean Air
13 Sep - 20 Sep WestJet
10 Sep - 22 Sep Korean Air
15 Sep - 02 Oct EVA Air

Also check the deals for one-way flights from Calgary to Bangkok in September.

Skyscanner

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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