Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights


Amazing British Airways ISB to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were round trip and $421 one way. Prices and availability subject to change. Additional terms may apply.


British Airways Flights from ISB to LHR

Travelocity is proud to offer some of the lowest fares on British Airways flights from Islamabad to London. With our low price guarantee and free 24 hour cancellation, you can book that flight to LHR with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from ISB to LHR. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.