AirHint found the following cheapest return flights from Glasgow (GLA) to Islamabad (ISB) in August 2025 (see full year).

Return flights

02 Aug - 14 Sep	Ryanair
26 Aug - 29 Sep	British Airways
15 Aug - 08 Sep	Aer Lingus
15 Aug - 20 Sep	Aer Lingus
18 Aug - 08 Sep	Corendon Airlines
05 Aug - 18 Sep	Aer Lingus
05 Aug - 17 Sep	Aer Lingus
13 Aug - 18 Sep	British Airways
01 Aug - 10 Sep	Corendon Airlines
08 Aug - 22 Aug	Aer Lingus
18 Aug - 24 Aug	Aer Lingus
05 Aug - 02 Sep	Aer Lingus
03 Aug - 17 Aug	Ryanair
02 Aug - 20 Aug	Ryanair
16 Aug - 23 Aug	Ryanair
13 Aug - 29 Aug	Ryanair
01 Aug - 20 Aug	Corendon Airlines
25 Aug - 31 Aug	Ryanair
21 Aug - 22 Aug	Ryanair
07 Aug - 20 Aug	Ryanair

Also check the deals for one-way flights from Glasgow to Islamabad in August.

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 Glasgow to Islamabad in August from 621€

Return flights