London Heathrow
Islamabad Intl
1 stop
17h 35mIslamabad Intl
London Heathrow
2 stops
26h 15mAir China
January
£5,416
February
£5,485
March
£5,986
April
£7,136
May
£6,220
June
£6,115
July
£5,865
August
£8,842
September
£6,022
October
£6,483
November
£6,058
December
£6,097
At the present moment the cheapest month to fly first class to Pakistan is currently January; with August being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.