AirHint found the following cheapest return flights from Calgary (YYC) to Bangkok (BKK) in April 2026 (see full year).

Return flights

20 Apr - 14 May	Flair Airlines
29 Apr - 13 May	Flair Airlines
29 Apr - 12 May	Flair Airlines
19 Apr - 28 May	Flair Airlines
08 Apr - 20 May	WestJet
09 Apr - 30 Apr	WestJet
23 Apr - 28 May	Flair Airlines
08 Apr - 21 Apr	WestJet
08 Apr - 28 Apr	WestJet
11 Apr - 18 Apr	WestJet
20 Apr - 25 May	United
09 Apr - 18 Apr	Porter Airlines (Canada) Ltd
08 Apr - 28 May	WestJet
09 Apr - 16 Apr	WestJet
29 Apr - 03 May	WestJet
29 Apr - 02 May	Air Canada
10 Apr - 17 Apr	WestJet
13 Apr - 20 Apr	WestJet
08 Apr - 12 Apr	WestJet
02 Apr - 11 Apr	WestJet

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

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 Calgary to Bangkok in April from 659€

Return flights