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

Return flights

12 Sep - 10 Oct	Ryanair
20 Sep - 07 Oct	Ryanair
13 Sep - 10 Oct	Ryanair
13 Sep - 20 Sep	Ryanair
14 Sep - 21 Sep	Ryanair
18 Sep - 28 Sep	Ryanair
06 Sep - 21 Sep	Ryanair
11 Sep - 25 Sep	Ryanair
06 Sep - 11 Oct	Ryanair
30 Sep - 11 Oct	Ryanair
28 Sep - 11 Oct	Ryanair
21 Sep - 11 Oct	Ryanair
20 Sep - 13 Oct	Ryanair
19 Sep - 10 Oct	Ryanair
08 Sep - 22 Sep	Ryanair
29 Sep - 22 Oct	Aer Lingus
01 Sep - 16 Sep	Aer Lingus
01 Sep - 30 Sep	Aer Lingus
03 Sep - 17 Sep	Ryanair
16 Sep - 30 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 $300

Return flights