Cheap Islamabad to London Flights | ISB to LHR

Every year, thousands of people travel from Islamabad to London. Many are frequent travellers so they are familiar with all the necessary information, but for those who are travelling for the first time, it can be a confusing task. Hence, we compiled all the information that you may need to know when boarding a flight from Islamabad to London.

About the two cities

Islamabad, home to almost 1.02 million people, is the capital city of Pakistan. It is also home to the largest cargo airport in Pakistan, Islamabad International Airport (IATA: ISB) and is capable of catering up to 9 million passengers annually, making it one of the best airports for international travel in the country.

Conversely, London is the capital of the United Kingdom and is home to a whopping 8.98 million people, almost 9 times the population of Islamabad. Due to its immense size and unique location, 60% of Englands air traffic is operated through here. And to cater to such a large number of passengers. London has six international airports, namely Heathrow, Stansted, Gatwick, Luton, Southend, and London City airport. However, youll probably end up passing through Heathrow Airport or Gatwick Airport as these airports handle major airlines such as British Airways or PIAs flights from Islamabad to London.

Distance between Islamabad and London?

The shortest distance of a flight from Islamabad to London is 6066 kilometres, or 3769 miles (by air). The flight route goes over some Central Asian nations such as Armenia, as well as Turkey. The flight route also goes over other European countries such as the Netherlands and Germany.

Average price of a ticket and other information to know before booking a ticket?

The ticket of Islamabad to London flights depends on flight timing, Airline class. We have also found that generally the cheapest airline offering this flight is Saudi Arabian airlines, with other popular airlines offering their services are Virgin Atlantic Airways, British Airways and Pakistan International Airlines.

It would also be in your best interest to know that the cheapest months to fly in are June till August, the cheapest day to fly on is Wednesday and the time at which the cheapest flight is available is 3 am. This means that you should generally try to travel at night, during mid-week (Tuesday and Wednesday), or on Saturday.

How far in advance should you book the ticket?

There is no rule set in stone as to how far you should book a ticket for the best prices and increased flexibility, however as a general rule of thumb, the recommended times for booking a ticket in advance is either 21-30 days or 30-60 days.

Booking a flight 21-30 days prior means you have more flexibility, while booking in 30-60 days means you will get the best prices.

Flight time for direct and connecting flights?

Direct flights fly directly from Islamabad International Airport to any of the six airports in London, hence the flight is generally shorter and takes approximately 8 hours 30 minutes to a maximum of 9 hours.

Conversely, connecting flights result in layovers, hence they take significantly longer, and flights from Islamabad to London generally result in multiple layovers. For example, the British Airways connecting Islamabad to London flight has two layovers, because of which it takes 12-13 hours. Whereas the direct flight by British Airways takes only about 8 hours 30 minutes to 9 hours.

Which are the best airlines for Islamabad to London flights?

This answer varies for non-stop and connecting flights.

The most popular airline for non-stop flights is British Airways, which is closely followed by PIA, and Virgin Atlantic Airways, all of which operate the majority of flights from Islamabad (ISB) to London (Heathrow/LHR). Hence these three are the most popular airlines for this trip.

Furthermore, the airline which consistently ranked as the cheapest airline on multiple websites, for Islamabad to London flights was Saudi (Saudi Arabian Airlines), and other popular airlines include Etihad Airways and Qatar Airways.

Any COVID-19 restrictions for travellers from Islamabad to London?

Due to the lifting of COVID-19 in countries across the world, international restrictions have also been eased and travellers are no longer required to quarantine on arrival to London. They are also not required to have a COVID-19 test result prior to travelling to the U.K.

Masks are also no longer a legal requirement, but are recommended to be worn in crowded areas such as subways and airports.

Please note that the recommendation relating to masks does not apply to travellers under the age of 11.

Mandatory documents required for travellers going to London:

Most Pakistani travellers have to be fully vaccinated to travel abroad, and those over the age of 15 are required to be vaccinated fully for international travel.

However, Non-Pakistani passport holders are allowed to travel without proof of vaccination. Furthermore, Pakistanis that arrived in Pakistan before 1st October, 2021 are also allowed to travel internationally without proof of vaccination.

In cases when Pakistanis are medically advised against COVID-19 vaccination, holding a certificate from a specialist medical practitioner also allows them to travel internationally without a vaccination certificate.

Why should you fly with us?

We, at, are an internationally renowned travel management group, which is a part of Six Sigma Travels, one of the largest travel networks in Pakistan. We believe in commitment and consistency, which has allowed us to see tremendous growth and open franchises across Pakistan.