Cheapest return flights from Washington (IAD) to Islamabad (ISB), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
28 Sep 30 Oct Saudia
15 Sep 22 Sep Etihad Airways
17 Sep 24 Sep Etihad Airways
09 Sep 24 Sep Etihad Airways
24 Sep 09 Oct Etihad Airways
25 Sep 29 Oct Saudia
18 Sep 24 Sep Saudia
18 Sep 25 Sep Etihad Airways
14 Sep 28 Sep Etihad Airways
21 Sep 05 Oct Etihad Airways
24 Sep 01 Oct Etihad Airways
07 Sep 31 Oct Saudia
01 Sep 09 Sep Qatar Airways
10 Sep 14 Sep Qatar Airways
25 Sep 11 Oct Korean Air
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Updated Aug 26, 2026.

About these fares

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