Cheapest return flights from Washington to Islamabad in December from $1206

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

Return flights

27 Dec - 13 Jan Gulf Air
06 Dec - 20 Jan Qatar Airways
16 Dec - 03 Jan jetBlue
16 Dec - 15 Jan Gulf Air
08 Dec - 21 Jan British Airways
20 Dec - 20 Jan Gulf Air
05 Dec - 05 Jan jetBlue
06 Dec - 04 Jan Qatar Airways
10 Dec - 31 Dec Qatar Airways
08 Dec - 20 Jan Emirates
08 Dec - 29 Dec British Airways
08 Dec - 31 Dec British Airways
08 Dec - 15 Jan Emirates
18 Dec - 30 Dec Qatar Airways

Also check the deals for one-way flights from Washington to Islamabad in December.

Skyscanner

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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