Cheap flights from Islamabad to London Heathrow Airport
ISB — LHR
25 Dec — 1 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Islamabad Intl to London Heathrow are usually found in October or March, booked 89 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Islamabad to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Islamabad (ISB) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 November 2025.
Popular in
April
Cheapest in
October
Average price
₹ 84,573
Highest demand for flights based on searches. 4% potential increase in price (₹ 348,200 potential increase over avg. return price).
Best time to book a flight from Islamabad to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Islamabad with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Islamabad to London Heathrow Airport
Prices
Delays
How far ahead should I book a flight from Islamabad to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Islamabad to Heathrow. Price data was last updated on 21 November 2025.
The price you pay for your flight from Islamabad to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Islamabad to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of ₹ 46,836). Flying from Islamabad to London Heathrow Airport in August is currently the most expensive (average of ₹ 66,463). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How often are flights from Islamabad to London delayed?
About 40% of weekly flights between Islamabad and London have experienced delays in the past year, with the average delay time being 262 minutes.
What is the most punctual flight time for Islamabad to London flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Islamabad to London flights?
Over the past year, British Airways have had the lowest number of delays on this route, with just 25% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Islamabad to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Islamabad to London Heathrow?
If you book a flight to London Heathrow from Islamabad, you will be flying from Islamabad Intl, which is the city’s only airport. Islamabad Intl (ISB) is located 31.8 km from the centre of Islamabad. There are 0 flights from Islamabad Intl to London Heathrow per day from 0 different airlines.
Can I find deals for flights from Islamabad to Heathrow that include hotel bookings?
Yes. In addition to deals on Islamabad to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Islamabad to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islamabad to Heathrow.
Can I find deals for business class flights from Islamabad to Heathrow?
Yes. Cheapflights offers flight deals from Islamabad to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Islamabad to London Heathrow Airport?
Currently, December is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of ₹ 46,836). Flying from Islamabad to London Heathrow Airport in August is currently the most expensive (average of ₹ 66,463). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 25 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Islamabad to Heathrow?
When you search for this flight from Islamabad to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Islamabad to Heathrow?
Millions of users choose and trust Cheapflights to book the best flight deals from Islamabad to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Islamabad to Heathrow with no change fees?
Need flexible booking options for your flight to Heathrow from Islamabad? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Islamabad to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights from Islamabad to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.
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