Cheapest return flights from Toronto to Istanbul in December from $669

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

Return flights

01 Dec - 09 Dec Aer Lingus
01 Dec - 13 Dec Flair Airlines
01 Dec - 15 Dec Flair Airlines
02 Dec - 09 Dec TAP
04 Dec - 14 Dec Flair Airlines
11 Dec - 11 Jan WestJet
30 Dec - 21 Jan Air Transat direct
12 Dec - 11 Jan Flair Airlines
07 Dec - 22 Jan British Airways
09 Dec - 15 Jan TAP
03 Dec - 13 Dec WestJet
27 Dec - 25 Jan Air Transat direct
30 Dec - 14 Jan Air Transat direct
09 Dec - 09 Jan TAP
02 Dec - 22 Jan TAP
02 Dec - 14 Dec TAP
05 Dec - 14 Dec Porter Airlines (Canada) Ltd
06 Dec - 10 Dec Aer Lingus
11 Dec - 10 Jan WestJet
02 Dec - 16 Dec TAP

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

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