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

Return flights

28 Dec - 20 Jan	Turkish Airlines
07 Dec - 19 Jan	Turkish Airlines
07 Dec - 20 Jan	Turkish Airlines
07 Dec - 14 Dec	Emirates
07 Dec - 26 Jan	Emirates
07 Dec - 18 Jan	Turkish Airlines
07 Dec - 30 Dec	PIA	direct
07 Dec - 27 Dec	PIA
28 Dec - 20 Jan	PIA	direct
07 Dec - 20 Jan	PIA	direct
05 Dec - 17 Jan	PIA
25 Dec - 17 Jan	PIA
07 Dec - 17 Jan	PIA
12 Dec - 26 Dec	PIA
21 Dec - 30 Dec	PIA	direct
19 Dec - 26 Dec	PIA
08 Dec - 31 Dec	Emirates
14 Dec - 28 Dec	Air Canada
07 Dec - 28 Dec	PIA
21 Dec - 28 Dec	Ethiopian Airlines

Also check the deals for one-way flights from Toronto to Karachi 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 Toronto to Karachi in December from 1189€

Return flights