Cheap Flights from Islamabad to London Heathrow

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Compare Islamabad to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Islamabad to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Islamabad Airport to London Heathrow Airport? If you want to travel next month, return fares start from R 10,622. Find the lowest prices on one-way and return tickets right here.

London.R 4,595 per passenger.Departing Wed, 21 Oct.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Wed, 21 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 4,595, select.

London.R 4,714 per passenger.Departing Sun, 13 Sep.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Sun, 13 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 4,714, select.

London.R 5,008 per passenger.Departing Sat, 23 Jan.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Sat, 23 Jan, arriving in London Heathrow.Price includes taxes and charges.From R 5,008, select.

London.R 5,040 per passenger.Departing Thu, 12 Nov.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Thu, 12 Nov, arriving in London Heathrow.Price includes taxes and charges.From R 5,040, select.

London.R 5,043 per passenger.Departing Tue, 16 Feb.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Tue, 16 Feb, arriving in London Heathrow.Price includes taxes and charges.From R 5,043, select.

London.R 5,098 per passenger.Departing Thu, 10 Dec.One-way flight with Riyadh Air.Outbound indirect flight with Riyadh Air, departs from Islamabad on Thu, 10 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 5,098, select.

London.R 5,871 per passenger.Departing Wed, 10 Mar.One-way flight with Saudia.Outbound indirect flight with Saudia, departs from Islamabad on Wed, 10 Mar, arriving in London Heathrow.Price includes taxes and charges.From R 5,871, select.

London.R 6,151 per passenger.Departing Thu, 15 Apr.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Islamabad on Thu, 15 Apr, arriving in London Heathrow.Price includes taxes and charges.From R 6,151, select.

London.R 6,188 per passenger.Departing Sat, 12 Jun.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Islamabad on Sat, 12 Jun, arriving in London Heathrow.Price includes taxes and charges.From R 6,188, select.

London.R 6,375 per passenger.Departing Sat, 24 Jul.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Islamabad on Sat, 24 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 6,375, select.

London.R 6,396 per passenger.Departing Thu, 27 May.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Islamabad on Thu, 27 May, arriving in London Heathrow.Price includes taxes and charges.From R 6,396, select.

London.R 6,408 per passenger.Departing Mon, 2 Aug.One-way flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Islamabad on Mon, 2 Aug, arriving in London Heathrow.Price includes taxes and charges.From R 6,408, select.

London.R 7,488 per passenger.Departing Wed, 30 Sep.One-way flight with PIA.Outbound direct flight with PIA departs from Islamabad on Wed, 30 Sep, arriving in London Heathrow.Price includes taxes and charges.From R 7,488, select.

London.R 7,822 per passenger.Departing Sun, 18 Oct.One-way flight with PIA.Outbound direct flight with PIA departs from Islamabad on Sun, 18 Oct, arriving in London Heathrow.Price includes taxes and charges.From R 7,822, select.

London.R 9,010 per passenger.Departing Tue, 1 Dec.One-way flight with PIA.Outbound direct flight with PIA departs from Islamabad on Tue, 1 Dec, arriving in London Heathrow.Price includes taxes and charges.From R 9,010, select.

London.R 9,385 per passenger.Departing Sat, 17 Jul.One-way flight with PIA.Outbound direct flight with PIA departs from Islamabad on Sat, 17 Jul, arriving in London Heathrow.Price includes taxes and charges.From R 9,385, select.

Find the cheapest month to fly from Islamabad to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islamabad to London Heathrow flights are currently cheapest in October.

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Direct flights from Islamabad to London Heathrow

Islamabad to London Heathrow: Alternative routes

Compare routes from Islamabad to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Islamabad to London: Flight information

The things to know before you go.

Cheapest flight found	R 4,595
Cheapest month to fly	October
Average flight time	8 hrs, 29 mins
Most popular airline	PIA
Average flights per week	5

Finding cheap flights from Islamabad to London Heathrow: Frequently asked questions

How much are return flights from Islamabad to London Heathrow?

The best price we found for a return flight from Islamabad to London Heathrow is R 10,410. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Islamabad to London Heathrow?

8 hours and 29 minutes is the average flight time from Islamabad to London Heathrow.

Which airlines fly direct from Islamabad to London Heathrow?

PIA flies direct from Islamabad to London Heathrow.

How many flights are there a week from Islamabad to London Heathrow?

As of August 2026, there are 5 flights per week flying from Islamabad to London Heathrow.

When is the cheapest time to fly from Islamabad to London Heathrow?

The cheapest month to fly from Islamabad to London Heathrow is usually October.

Which upcoming date is cheapest to fly from Islamabad Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islamabad Airport to London Heathrow Airport on Wednesday, 7 October 2026.

Can I get a direct flight from Islamabad Airport to London Heathrow Airport?

Yes – the average flight time is 8 hours and 29 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Islamabad Airport to London Heathrow with?

Currently, Riyadh Air and PIA offer the cheapest flight tickets to London Heathrow.

Travelling from Islamabad Airport (ISB) to London Heathrow Airport (LHR): what you need to know

Around 8 hours 10 minutes is how long you can expect to be travelling on a direct flight from Islamabad Airport to London Heathrow Airport.
The timezone in London is UTC+0, which is five hours behind Islamabad.
Your ISB to LHR flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
You'll likely experience longer lines during popular months such as August. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.
PIA offers direct flights from Islamabad Airport to London Heathrow Airport. Book with this popular airline, then get ready to see the sights in London — and maybe even more of the United Kingdom if you have time.
The airline that serves the most passengers on this route is PIA.
We make it easy to book a flight with a stopover. To see all your options for tickets from Islamabad Airport to London Heathrow Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Worthwhile stopovers between ISB and LHR include:
- Hamad International Airport
- Zayed International Airport
- Bahrain Airport

Handy information about Islamabad Airport (ISB)

When it comes to the on-time performance of Islamabad Airport, 67% of flights arrive within the expected timeframe.
Central Islamabad to Islamabad Airport is around 32 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a taxi.
Catching public transport? Expect a trip time of around 1 hour.
Get your holiday off to a stress-free start by staying near ISB. Whether you're taking an early flight from Islamabad Airport to London Heathrow Airport or just don't like being rushed, these stays are the answer:

Arriving at London Heathrow Airport (LHR)

Book a hotel near LHR if you're on a late Islamabad Airport to London Heathrow Airport flight. Select one of these accommodation options and skip the long transfer:
Grab a London Heathrow Airport rental car and explore London and beyond with your own wheels. Surprice, U-Save and Green Motion are top outlets you can book with here.
Booking your ride from London Heathrow Airport around one week in advance can help you secure the lowest rate.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is roughly 24 kilometres from central London. Driving there takes about 45 minutes.
Travelling on public transport takes roughly 25 minutes.

When to fly to London Heathrow Airport (LHR)

July is the busiest month for flights from Islamabad Airport to London Heathrow Airport. For a quieter experience, travel to London in March.
When reserving your flight from Islamabad Airport to London Heathrow Airport, consider the type of weather you enjoy. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).
January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from ISB to LHR sometime then if you want to travel in cooler conditions.

Explore more of the United Kingdom

You've visited London, now it's time to discover more of the United Kingdom. Travel around 257 kilometres north-west to Manchester to check off its must-visit sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a full itinerary ahead.
If you're looking to explore another major destination in the United Kingdom, head for Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are key reasons to visit.