AirHint found the following cheapest return flights from Calgary (YYC) to Istanbul (IST) in December 2025 (see full year).

Return flights

02 Dec - 23 Dec	WestJet
02 Dec - 08 Dec	WestJet
03 Dec - 17 Dec	WestJet
02 Dec - 09 Dec	WestJet
08 Dec - 15 Dec	WestJet
02 Dec - 16 Dec	WestJet
03 Dec - 19 Dec	WestJet
03 Dec - 12 Dec	WestJet
02 Dec - 12 Dec	WestJet
02 Dec - 15 Dec	WestJet
31 Dec - 06 Jan	WestJet
30 Dec - 22 Jan	WestJet
24 Dec - 07 Jan	British Airways
09 Dec - 04 Jan	Air Transat
26 Dec - 10 Jan	Air Canada
24 Dec - 14 Jan	Lufthansa
23 Dec - 20 Jan	Lufthansa
24 Dec - 19 Jan	British Airways
16 Dec - 12 Jan	British Airways
10 Dec - 06 Jan	Lufthansa

Also check the deals for one-way flights from Calgary to Istanbul in December.

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 Istanbul in December from $562

Return flights