AirHint found the following cheapest return flights from Islamabad (ISB) to London (LGW) in June 2025 (see full year).

Return flights

23 Jun - 26 Jun	SalamAir
21 Jun - 28 Jun	SalamAir
18 Jun - 01 Jul	Fly Jinnah
20 Jun - 23 Jun	Fly Jinnah
24 Jun - 26 Jun	SalamAir
22 Jun - 23 Jun	Fly Jinnah
15 Jun - 25 Jun	Serene Air
30 Jun - 03 Jul	SalamAir
15 Jun - 07 Jul	Serene Air
20 Jun - 28 Jun	PIA
15 Jun - 30 Jun	Serene Air
20 Jun - 30 Jun	PIA
17 Jun - 20 Jun	PIA
24 Jun - 07 Jul	Fly Jinnah
25 Jun - 01 Jul	Fly Jinnah
24 Jun - 04 Jul	Fly Jinnah
21 Jun - 06 Jul	SalamAir
24 Jun - 24 Jul	SalamAir
20 Jun - 06 Jul	PIA
18 Jun - 29 Jul	Fly Jinnah

Also check the deals for one-way flights from Islamabad to London in June.

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 Islamabad to London in June from $671

Return flights