Cheap flights from Islamabad to London Heathrow Airport from £298
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
21 Oct — 28 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 May, booked 53 days in advance, depart on a Sunday or Saturday and return on a Tuesday
Cheap flight deals from Islamabad to Heathrow
Enter your travel dates to find the best prices.
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Best
Direct
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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 21 September 2026.
Wed 9/1202:40 -
1 stop23h 25m
Tue 29/1212:15 -
3 stops19h 55m
Deal found 18/9£556
Tue 22/923:45 -
2 stops23h 00m
Wed 23/921:40 -
2 stops21h 15m
Deal found 19/9£560
Sun 22/1100:45 -
1 stop18h 30m
Mon 11/107:00 -
3 stops21h 05m
Deal found 19/9£562
Thu 5/1120:50 -
2 stops22h 40m
Mon 11/109:00 -
3 stops19h 05m
Deal found 20/9£563
Mon 21/923:45 -
2 stops23h 00m
Fri 9/1008:05 -
3 stops20h 50m
Deal found 16/9£564
Mon 9/1100:00 -
3 stops23h 40m
Fri 20/1107:00 -
3 stops21h 05m
Deal found 18/9£564
Thu 22/1021:20 -
2 stops21h 45m
Fri 30/1008:25 -
1 stop14h 15m
Deal found 19/9£567
Fri 23/1021:20 -
2 stops21h 45m
Sun 1/1113:55 -
1 stop23h 15m
Deal found 19/9£570
Mon 21/923:45 -
2 stops23h 00m
Thu 8/1009:30 -
1 stop28h 55m
Deal found 16/9£571
Fri 23/1021:20 -
2 stops19h 25m
Fri 30/1019:20 -
1 stop17h 50m
Deal found 20/9£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 21 September 2026.
Sun 27/904:50 -
1 stop11h 55m
Mon 12/1021:45 -
1 stop16h 40m
Deal found 18/9£641
Tue 29/903:30 -
1 stop19h 40m
Tue 13/1020:50 -
1 stop25h 55m
Deal found 18/9£705
Sun 18/1005:05 -
1 stop32h 45m
Thu 10/1215:20 -
1 stop12h 20m
Deal found 21/9£732
Mon 19/1009:25 -
1 stop13h 15m
Sun 13/1220:20 -
1 stop24h 10m
Deal found 21/9£738
Wed 30/911:15 -
Nonstop8h 40m
Mon 12/1019:05 -
Nonstop7h 40m
Deal found 18/9£766
Fri 25/915:30 -
1 stop19h 25m
Thu 15/1022:05 -
1 stop12h 25m
Deal found 17/9£793
Mon 5/1009:25 -
1 stop13h 15m
Tue 20/1016:50 -
1 stop28h 25m
Deal found 18/9£740
Sat 3/1003:30 -
1 stop31h 00m
Sun 1/1120:05 -
2 stops30h 20m
Deal found 17/9£778
Fri 25/909:25 -
2 stops37h 45m
Sat 10/1008:25 -
1 stop14h 20m
Deal found 21/9£781
Mon 28/909:25 -
2 stops37h 45m
Sat 10/1008:25 -
1 stop14h 20m
Deal found 16/9£781
Sun 27/909:25 -
2 stops25h 05m
Sat 3/1020:50 -
1 stop25h 55m
Deal found 21/9£781
Wed 23/903:30 -
1 stop19h 40m
Thu 8/1020:50 -
2 stops49h 00m
Deal found 20/9£811
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 21 September 2026.
Fri 2/1011:35 -
Nonstop8h 40m
Tue 5/120:00 -
Nonstop7h 45m
Deal found 18/9£686
Tue 17/1113:05 -
Nonstop8h 50m
Tue 1/1220:00 -
Nonstop7h 45m
Deal found 18/9£690
Wed 30/911:15 -
Nonstop8h 40m
Mon 4/118:00 -
Nonstop7h 45m
Deal found 20/9£690
Fri 23/1011:35 -
Nonstop8h 40m
Fri 30/1016:45 -
Nonstop7h 40m
Deal found 20/9£691
Sun 18/1012:15 -
Nonstop8h 40m
Tue 27/1020:00 -
Nonstop7h 40m
Deal found 20/9£693
Tue 15/1213:05 -
Nonstop8h 50m
Wed 30/1219:55 -
Nonstop7h 45m
Deal found 19/9£696
Wed 21/1011:15 -
Nonstop8h 40m
Wed 28/1019:55 -
Nonstop7h 40m
Deal found 21/9£697
Wed 30/911:15 -
Nonstop8h 40m
Fri 30/1016:45 -
Nonstop7h 40m
Deal found 16/9£699
Wed 7/1011:15 -
Nonstop8h 40m
Tue 27/1020:00 -
Nonstop7h 40m
Deal found 16/9£702
Fri 16/1011:35 -
Nonstop8h 40m
Fri 23/1019:05 -
Nonstop7h 40m
Deal found 20/9£702
Sun 4/1012:15 -
Nonstop8h 40m
Fri 30/1016:45 -
Nonstop7h 40m
Deal found 17/9£706
Last-minute flights from Islamabad to Heathrow
Discover last-minute flight deals from Islamabad to Heathrow. Data last updated 21 September 2026 and is based on user searches.
Sat 26/923:45 -
2 stops23h 00m
Sat 3/1022:15 -
2 stops34h 55m
Deal found 21/9£597
Sun 27/923:45 -
2 stops17h 00m
Tue 29/920:45 -
1 stop26h 40m
Deal found 16/9£571
Sun 27/916:45 -
2 stops30h 00m
Sat 3/1022:15 -
2 stops34h 55m
Deal found 21/9£580
Sun 27/904:50 -
1 stop17h 55m
Mon 5/1014:45 -
1 stop23h 40m
Deal found 20/9£602
Mon 28/913:15 -
2 stops21h 45m
Sat 3/1022:15 -
2 stops34h 55m
Deal found 21/9£575
Tue 29/915:30 -
1 stop19h 25m
Sun 18/1010:00 -
1 stop24h 30m
Deal found 16/9£605
Wed 30/917:15 -
2 stops17h 45m
Fri 30/1019:20 -
1 stop26h 55m
Deal found 16/9£585
Thu 1/1014:45 -
2 stops20h 15m
Fri 2/1009:30 -
2 stops19h 25m
Deal found 18/9£579
Thu 1/1015:30 -
1 stop27h 50m
Sun 4/1022:05 -
1 stop12h 25m
Deal found 18/9£582
Thu 1/1015:30 -
1 stop19h 25m
Thu 8/1010:00 -
1 stop24h 30m
Deal found 20/9£587
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 21 September 2026.
Wed 23/903:30 -
2 stops19h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/9£298
Sun 8/1120:50 -
3 stops28h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£299
Mon 28/921:20 -
2 stops21h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£299
Thu 5/1120:50 -
2 stops20h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£301
Sat 7/1120:50 -
3 stops26h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£303
Tue 3/1102:40 -
2 stops24h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£304
Thu 15/1021:20 -
2 stops19h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£305
Fri 25/903:30 -
2 stops19h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 20/9£305
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 21 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 21 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 28/9
21:30-07:30
1 stop14h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£302
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 27/9
23:45-12:45
2 stops17h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£321
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 6/11
00:45-16:10
1 stop20h 25m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£323
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 6/12
09:55-14:15
1 stop33h 20m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£325
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 4/10
04:50-15:05
1 stop14h 15m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£327
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 24/9
04:50-15:05
1 stop14h 15m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£332
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 25/9
19:45-12:45
1 stop21h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£342
Fastest return journey
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 2/10
11:35-16:15
Nonstop8h 40m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£343
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 27/9
04:50-12:45
1 stop11h 55m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£343
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Wed 30/9
04:50-07:00
1 stop30h 10m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£346
Flights are sorted by cheapest return flights first.
Deals found on 21/9
Showing 1-10 of 23 resultsSorted by cheapest first
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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 51 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 £601). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £814). 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 21 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 £609 and £753 in December.The cheapest return price found within the last 5 days was £556 on Multiple Airlines (9 Dec–29 Dec).
How often are flights from Islamabad to London delayed?
About 13% 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 13% 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.
Abu Dhabi (AUH) – chosen by Cheapflights users on 27% 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 £637.
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 37m.
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 30m.
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 21 September 2026.
Get a feel of what it's like to fly with Emirates,Turkish Airlines, andQatar 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.
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 11h 55m. The distance between Islamabad and London Heathrow Airport is about 3758 mi. This flight may include one or multiple stops.
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 £286. Additional return tickets that might be worth considering are offered by Kuwait Airways and Etihad Airways, with the lowest prices starting at £452 and £467, 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?
£156 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 Etihad Airways and Riyadh Air, with prices starting from £231 and £232, respectively.
What are the cheapest flights from Islamabad to London Heathrow Airport?
The cheapest flight price from Islamabad to London Heathrow Airport is £320. On average you can expect to pay £597. The most popular route, (Islamabad Intl - London Heathrow), can usually be booked for £462.
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, LEGOLAND Dubai, and Gold Souq more than any other attractions. Those on a layover in Dubai interested in visiting Burj Khalifa, LEGOLAND Dubai, or Gold Souq can do so by travelling 6.8 mi, 32.0 mi, and 4.2 mi, respectively from Dubai Intl. Travellers can hire a car at Dubai Intl for an average daily rate of £18 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 £601). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £814). 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
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames
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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 21 September 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.
Browse through other flights departing from Islamabad. Flights are based on user searches made on Cheapflights and were last updated on 21 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 21 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.
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