If you want a cheap flight from Islamabad to London, you've got four airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 02 / Feb / 2025.
London Heathrow is just one of the airports in London. If you're not set on a specific airport, try changing your search from London Heathrow to London to see a broader range of flights – they might be cheaper. It usually takes about 15 hrs 35 mins to fly 6071 km to London Heathrow.
18 flights go to or via London every week. Cheap flights Currently, the cheapest price available is £590. The most popular airline is Etihad Airways but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.