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

Return flights

29 Jun - 06 Jul	Serene Air
17 Jun - 02 Jul	SalamAir
17 Jun - 21 Jun	SalamAir
17 Jun - 19 Jun	SalamAir
17 Jun - 30 Jun	SalamAir
17 Jun - 22 Jun	SalamAir
17 Jun - 04 Jul	SalamAir
22 Jun - 25 Jun	Fly Jinnah
22 Jun - 23 Jun	Fly Jinnah
17 Jun - 27 Jun	SalamAir
24 Jun - 01 Jul	Serene Air
26 Jun - 15 Jul	AZAL
19 Jun - 03 Jul	SalamAir
24 Jun - 11 Jul	Serene Air
17 Jun - 26 Jun	SalamAir
26 Jun - 29 Jun	Fly Jinnah
18 Jun - 22 Jun	Fly Jinnah
20 Jun - 04 Jul	SalamAir
20 Jun - 05 Jul	SalamAir
26 Jun - 03 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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Islamabad to London in June from $796

Return flights