AirHint found the following cheapest return flights from San Francisco (SFO) to Islamabad (ISB) in December 2025 (see full year).

Return flights

26 Dec - 07 Jan	Qatar Airways
11 Dec - 13 Jan	Air Canada
09 Dec - 09 Jan	Turkish Airlines
16 Dec - 13 Jan	SWISS
25 Dec - 03 Jan	Qatar Airways
20 Dec - 17 Jan	Turkish Airlines
17 Dec - 07 Jan	TAP
18 Dec - 07 Jan	Turkish Airlines
19 Dec - 07 Jan	Turkish Airlines
20 Dec - 07 Jan	Turkish Airlines

Also check the deals for one-way flights from San Francisco to Islamabad 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 San Francisco to Islamabad in December from $1512

Return flights