Cheap flights from Islamabad to London Heathrow Airport from £304
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
4 Oct — 11 Oct1
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 March or October, booked 58 days in advance, depart on a Sunday or Monday and return on a Tuesday
Cheap flight deals from Islamabad to Heathrow
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
Cheapest flights from Islamabad to Heathrow
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 4 September 2026.
Mon 19/1021:30 -
1 stop14h 00m
Sat 5/1219:20 -
1 stop17h 50m
Deal found 2/9£560
Fri 2/1021:30 -
1 stop14h 00m
Sun 4/1010:00 -
1 stop24h 30m
Deal found 2/9£561
Fri 18/921:30 -
1 stop14h 00m
Sun 20/921:45 -
1 stop16h 40m
Deal found 1/9£563
Tue 15/923:45 -
2 stops23h 00m
Wed 23/920:45 -
2 stops15h 50m
Deal found 1/9£565
Mon 14/921:30 -
1 stop14h 00m
Sun 29/1109:30 -
1 stop12h 50m
Deal found 2/9£565
Fri 13/1100:45 -
1 stop18h 30m
Mon 30/1109:30 -
1 stop12h 50m
Deal found 30/8£566
Sun 15/1100:45 -
1 stop18h 30m
Mon 30/1114:15 -
1 stop12h 10m
Deal found 30/8£570
Fri 18/921:30 -
1 stop14h 00m
Sat 26/914:45 -
1 stop23h 40m
Deal found 1/9£571
Sat 12/909:50 -
1 stop32h 25m
Sat 19/908:05 -
3 stops20h 50m
Deal found 30/8£571
Wed 16/1202:40 -
1 stop23h 25m
Tue 5/108:50 -
1 stop13h 25m
Deal found 1/9£573
Best flights from Islamabad to Heathrow
Discover carefully curated flight deals from Islamabad to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.
Sun 4/1004:50 -
1 stop17h 55m
Fri 27/1119:20 -
1 stop17h 50m
Deal found 1/9£642
Sat 19/915:30 -
1 stop19h 25m
Mon 5/1022:05 -
1 stop12h 25m
Deal found 2/9£668
Tue 15/903:30 -
1 stop19h 40m
Thu 1/1020:50 -
1 stop25h 55m
Deal found 4/9£691
Sun 4/1004:50 -
1 stop11h 55m
Sun 25/1020:55 -
1 stop16h 15m
Deal found 4/9£644
Wed 7/1004:50 -
1 stop11h 55m
Thu 29/1008:50 -
1 stop13h 25m
Deal found 4/9£644
Tue 10/1104:35 -
1 stop14h 55m
Thu 26/1119:20 -
1 stop17h 50m
Deal found 30/8£646
Thu 17/903:30 -
1 stop31h 00m
Sun 20/920:50 -
2 stops25h 00m
Deal found 2/9£807
Thu 12/1104:35 -
1 stop18h 35m
Mon 23/1119:20 -
1 stop17h 50m
Deal found 30/8£646
Sun 8/1104:35 -
1 stop14h 55m
Mon 23/1120:55 -
1 stop16h 15m
Deal found 30/8£646
Sat 14/1104:35 -
1 stop12h 30m
Wed 25/1113:55 -
1 stop23h 15m
Deal found 30/8£646
Wed 13/104:35 -
1 stop14h 55m
Wed 27/120:55 -
1 stop16h 15m
Deal found 31/8£663
Direct flights from Islamabad to Heathrow
Explore direct flight options from Islamabad to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 September 2026.
Fri 25/911:35 -
Nonstop8h 40m
Tue 12/120:00 -
Nonstop7h 45m
Deal found 3/9£704
Fri 16/1011:35 -
Nonstop8h 40m
Fri 23/1019:05 -
Nonstop7h 40m
Deal found 31/8£708
Wed 14/1011:15 -
Nonstop8h 40m
Wed 21/1019:05 -
Nonstop7h 40m
Deal found 2/9£708
Wed 7/1011:15 -
Nonstop8h 40m
Tue 27/1020:00 -
Nonstop7h 40m
Deal found 2/9£709
Sun 4/1012:15 -
Nonstop8h 40m
Mon 30/1118:00 -
Nonstop7h 45m
Deal found 1/9£711
Fri 2/1011:35 -
Nonstop8h 40m
Mon 30/1118:00 -
Nonstop7h 45m
Deal found 2/9£722
Fri 2/1011:35 -
Nonstop8h 40m
Tue 1/1220:00 -
Nonstop7h 45m
Deal found 2/9£723
Fri 25/911:35 -
Nonstop8h 40m
Fri 23/1019:05 -
Nonstop7h 40m
Deal found 31/8£725
Wed 21/1011:15 -
Nonstop8h 40m
Sat 5/1216:40 -
Nonstop7h 45m
Deal found 2/9£725
Fri 25/911:35 -
Nonstop8h 40m
Mon 5/1019:05 -
Nonstop7h 40m
Deal found 2/9£734
Fri 2/1011:35 -
Nonstop8h 40m
Fri 9/1019:05 -
Nonstop7h 40m
Deal found 2/9£747
Last-minute flights from Islamabad to Heathrow
Discover last-minute flight deals from Islamabad to Heathrow. Data last updated 4 September 2026 and is based on user searches.
Thu 10/909:50 -
1 stop56h 25m
Sun 13/910:00 -
1 stop18h 05m
Deal found 3/9£668
Fri 11/909:50 -
1 stop32h 45m
Sun 13/921:45 -
1 stop16h 40m
Deal found 30/8£580
Sat 12/909:50 -
1 stop32h 25m
Sat 19/908:05 -
3 stops20h 50m
Deal found 30/8£571
Mon 14/921:30 -
1 stop14h 00m
Sun 29/1109:30 -
1 stop12h 50m
Deal found 2/9£565
Mon 14/921:30 -
1 stop14h 00m
Thu 17/921:45 -
1 stop16h 40m
Deal found 3/9£615
Mon 14/909:50 -
1 stop32h 25m
Sun 29/1117:55 -
2 stops39h 25m
Deal found 2/9£642
Mon 14/921:30 -
1 stop14h 00m
Fri 16/1010:00 -
1 stop18h 05m
Deal found 2/9£657
Mon 14/921:30 -
1 stop14h 00m
Wed 14/1006:30 -
2 stops18h 05m
Deal found 2/9£662
One-way flights from Islamabad to Heathrow
Search for one-way flight options from Islamabad to Heathrow. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.
Sat 19/923:45 -
3 stops20h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£304
Tue 13/1021:20 -
3 stops28h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£305
Tue 22/909:50 -
1 stop33h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£306
Thu 10/923:45 -
3 stops25h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£306
Sun 13/923:45 -
3 stops22h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£307
Wed 25/1109:55 -
1 stop26h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£309
Mon 14/923:45 -
3 stops20h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 1/9£310
Sun 24/100:45 -
1 stop18h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 31/8£311
Thu 15/1018:00 -
2 stops17h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£312
Mon 14/921:30 -
1 stop14h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£313
Find 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 4 September 2026.
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 7,457,451 searches. Data last updated 4 September 2026.
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
Cheapest return flight
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 5/10
23:45-07:30
2 stops35h 45m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£320
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 15/2
10:30-20:20
1 stop14h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£322
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 28/9
19:45-15:05
1 stop23h 20m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£340
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 27/9
19:45-15:05
1 stop23h 20m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£340
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 18/9
15:30-15:20
1 stop27h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£350
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 17/9
15:30-15:20
1 stop27h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£350
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 12/10
04:50-18:45
1 stop17h 55m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£358
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Wed 28/10
04:35-12:05
1 stop12h 30m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£364
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 24/9
03:30-19:10
1 stop19h 40m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£369
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Wed 16/9
03:30-06:30
1 stop31h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£370
Flights are sorted by cheapest return flights first.
Deals found on 30/8
Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
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.
ISB-LHR
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
More
How far ahead should I book a flight from Islamabad to London Heathrow Airport?
To ensure you get the cheapest price possible for a flight from Islamabad to London Heathrow Airport, you should look to book at least 57 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, March is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of £596). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £807). 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 4 September 2026.
When flying from Islamabad to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Islamabad to London Heathrow Airport?
Airfare is below average for this route at the moment.
Islamabad to London Heathrow Airport flights typically cost between £585 and £799 in October.The cheapest return price found within the last 5 days was £560 on Multiple Airlines (19 Oct–5 Dec).
How often are flights from Islamabad to London delayed?
About 11% of weekly flights between Islamabad and London have experienced delays in the past year, with the average delay time being 120 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 early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday 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, Pakistan International Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
What’s the top stopover airport for flights from Islamabad to London Heathrow Airport?
Share of one-stop return flights from Islamabad to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Doha (DOH) – chosen by Cheapflights users on 28% of one-stop itineraries from Islamabad to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Islamabad to London Heathrow Airport?
Average return fare for one-stop flights from Islamabad to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Istanbul (IST) is the most affordable one-stop option, with an average return flight price of £618.
What’s the fastest stopover option from Islamabad to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Islamabad to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Istanbul (IST) have the shortest average one-way travel time for one-stop routes: 12h 33m.
Which airport typically offers the quickest stopover for flights from Islamabad to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Islamabad to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Doha (DOH) offer the fastest connection on this route, with an average stopover time of 2h 27m.
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 4 September 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andTurkish Airlines 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.
Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
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?
Islamabad Intl (ISB) is the airport you will fly out of if you book a flight from Islamabad to London Heathrow. You should not have trouble finding flights to London Heathrow from Islamabad Intl; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Islamabad airport to London Heathrow. It is only a 19.7 mi journey to Islamabad Intl (ISB) from Islamabad’s city center.
How long is the flight from Islamabad to London Heathrow Airport?
Departing from Islamabad to London Heathrow Airport will take you 17h 55m. The distance between Islamabad and London Heathrow Airport is about 3758 mi.
What are the cheapest airlines flying from Islamabad to London Heathrow Airport round-trip?
Flying on Gulf Air is currently your cheapest option to London Heathrow Airport, with prices starting at £284. Additional return tickets that might be worth considering are offered by Kuwait Airways and Etihad Airways, with the lowest prices starting at £448 and £476, respectively. Gulf Air is currently priced 58% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Islamabad to London Heathrow Airport one-way?
£155 is the cheapest one-way deal found within the past few days, from Azerbaijan Airlines. You may also be able to find cheap deals on Riyadh Air and Etihad Airways, with prices starting from £230 and £241, respectively.
What are the cheapest flights from Islamabad to London Heathrow Airport?
The cheapest flight price from Islamabad to London Heathrow Airport is £257. On average you can expect to pay £632. The most popular route, (Islamabad Intl - London Heathrow), can usually be booked for £441.
Where are the most common stopover locations when flying from Islamabad to London Heathrow Airport?
Islamabad to London Heathrow Airport flights have a stopover in Doha most often. Doha is followed by Jeddah in terms of the most popular stopover location on flights from Islamabad to London Heathrow Airport. Dubai ranks third in terms of the most popular layover location on Islamabad to London Heathrow Airport flights.
What are points of interest worth seeing during a stopover in Dubai?
Dubai travellers tend to visit Burj Khalifa, Gold Souq, and LEGOLAND Dubai more than any other attractions. Those on a layover in Dubai interested in visiting Burj Khalifa, Gold Souq, or LEGOLAND Dubai can do so by travelling 6.8 mi, 4.2 mi, and 32.0 mi, respectively from Dubai Intl. Travellers can hire a car at Dubai Intl for an average daily rate of £19 to make sightseeing during their stopover a little easier.
Where are the least popular stopover locations for Islamabad to London Heathrow Airport flights?
The least popular stopover on flights from Islamabad to London Heathrow Airport is Istanbul. Abu Dhabi is the second least popular location for stopovers on flights from Islamabad to London Heathrow Airport.
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, March is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of £596). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £807). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Salisbury
Southall
Southend-on-Sea
Enfield
Kingston upon Thames
Watford
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Airlines
Alternative routes
Complete your trip
Direct flights to England
Flights by cabin class
Heathrow flight routes
Other flight options
Other flights from Islamabad
Popular flights
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 4 September 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
Browse through other flights departing from Islamabad. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.
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 7,457,451 searches. Data last updated 4 September 2026.
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.