AirHint found the following cheapest return flights from Washington (DCA) to Islamabad (ISB) in March 2026 (see full year).

Return flights

05 Mar - 12 Mar	jetBlue
31 Mar - 14 Apr	Qatar Airways
22 Mar - 29 Mar	Qatar Airways
30 Mar - 14 Apr	Qatar Airways
24 Mar - 27 Apr	Qatar Airways
31 Mar - 17 Apr	Emirates
22 Mar - 22 Apr	Qatar Airways
29 Mar - 14 Apr	Qatar Airways
17 Mar - 26 Mar	Etihad Airways
30 Mar - 12 Apr	Qatar Airways
06 Mar - 29 Apr	Emirates
23 Mar - 01 Apr	Emirates
26 Mar - 29 Apr	Emirates
08 Mar - 23 Mar	Emirates
20 Mar - 29 Mar	Emirates

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

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 Washington to Islamabad in March from 823€

Return flights