Cheap flights from Islamabad to London Heathrow Airport from £258
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 Thursday or Wednesday and return on a Sunday
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 11 July 2025.
Round-trip from | £525 |
---|---|
One-way from | £258 |
Popular in | April |
Cheapest in | October |
Average price | £698 |
Good round-trip deal | £1,500 or less |
Good one-way deal | £464 or less |
Find flight deals from Islamabad to Heathrow
Cheapest flights from Islamabad to HeathrowExplore the most affordable flight options available from Islamabad to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Islamabad to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Islamabad to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from Islamabad to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Fri 1/8
05:25-16:15
1 stop14h 50m
London Heathrow
Fri 8/8
11:20-03:45
1 stop36h 25m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Thu 25/9
04:20-07:00
1 stop30h 40m
London Heathrow
Wed 15/10
09:30-18:25
1 stop28h 55m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Wed 13/8
03:30-21:05
1 stop21h 35m
London Heathrow
Wed 26/11
09:30-14:20
1 stop23h 50m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Sun 10/8
03:30-14:10
1 stop14h 40m
London Heathrow
Thu 4/9
08:05-01:50
1 stop13h 45m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Sat 20/9
03:00-12:40
1 stop13h 40m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Thu 24/7
15:30-15:20
1 stop27h 50m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Mon 28/7
10:00-07:00
2 stops25h 00m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Thu 25/9
09:25-22:00
1 stop16h 35m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Wed 23/7
04:20-18:45
1 stop18h 25m
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.
Cheapflights Insights
Everything you need to know about your flight from Islamabad to London Heathrow Airport
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 27 June 2025.
To ensure you get the cheapest price possible for a flight from Islamabad to London Heathrow Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Islamabad to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of £112). Flying from Islamabad to London Heathrow Airport in August is currently the most expensive (average of £164). 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.
What is the cheapest time of day to fly from ISB to LHR?
Find hourly flight availability from Islamabad to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
When flying from Islamabad to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 37% versus a flight in the morning.
How much does it cost for a return flight from Islamabad to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with Qatar Airways, SAUDIA, andEtihad Airways from Islamabad to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Anonymous,Mar 2025
JFK - DOH
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.
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Fly from Islamabad to Heathrow on these airlines
Choose from the following airlines for your flight from Islamabad to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 July 2025.
Top 9 airlines flying from Islamabad to Heathrow
Discover the top 9 airlines that operate flights from Islamabad to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
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?
Cheapflights helps you search for flights from Islamabad to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Islamabad to Heathrow?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islamabad to Heathrow for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Islamabad to Heathrow with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Islamabad to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Islamabad to Heathrow become cheaper?
Yes, Cheapflights offers price alerts on Islamabad to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.