AirHint found the following cheapest return flights from Dublin (DUB) to Karachi (KHI) in September 2025 (see full year).

Return flights

25 Sep - 10 Oct	Ryanair
02 Sep - 14 Oct	Ryanair
12 Sep - 19 Sep	Ryanair
16 Sep - 14 Oct	Ryanair
16 Sep - 15 Oct	Ryanair
15 Sep - 26 Sep	Aer Lingus
01 Sep - 16 Sep	Aer Lingus
15 Sep - 05 Oct	Aer Lingus
15 Sep - 14 Oct	Aer Lingus
01 Sep - 10 Sep	Aer Lingus
13 Sep - 30 Sep	Ryanair
01 Sep - 15 Sep	Aer Lingus
04 Sep - 13 Sep	Ryanair
11 Sep - 21 Sep	Ryanair
20 Sep - 29 Sep	Ryanair
02 Sep - 17 Sep	Ryanair

Also check the deals for one-way flights from Dublin to Karachi in September.

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 Dublin to Karachi in September from $490

Return flights