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

Return flights

01 Dec - 15 Dec	WestJet
01 Dec - 06 Dec	WestJet
01 Dec - 16 Dec	WestJet
03 Dec - 12 Dec	WestJet
01 Dec - 25 Dec	WestJet
01 Dec - 08 Dec	WestJet
29 Dec - 24 Jan	WestJet
05 Dec - 29 Dec	WestJet
02 Dec - 09 Dec	WestJet
30 Dec - 13 Jan	WestJet
01 Dec - 11 Dec	WestJet
30 Dec - 14 Jan	WestJet
03 Dec - 10 Dec	WestJet
31 Dec - 11 Jan	WestJet
31 Dec - 07 Jan	WestJet
24 Dec - 08 Jan	WestJet
23 Dec - 20 Jan	WestJet
22 Dec - 18 Jan	Air Transat
22 Dec - 20 Jan	Lufthansa
22 Dec - 19 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Calgary to Istanbul in December from 457€

Return flights