Cheap flights from Islamabad to London Heathrow Airport from £272
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
18 Nov — 25 Nov1
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 Monday and return on a Wednesday
Cheap flight deals from Islamabad to Heathrow
Enter your travel dates to find the best prices.
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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 19 October 2026.
Thu 5/1115:55 -
2 stops25h 10m
Sun 8/1108:40 -
2 stops28h 35m
Deal found 19/10£524
Sat 21/1119:30 -
2 stops27h 40m
Sun 29/1108:40 -
2 stops23h 40m
Deal found 19/10£527
Mon 30/1100:00 -
2 stops19h 30m
Tue 8/1208:40 -
2 stops25h 35m
Deal found 17/10£530
Mon 16/1120:50 -
2 stops22h 40m
Fri 27/1108:40 -
2 stops25h 35m
Deal found 14/10£539
Sat 24/1009:00 -
2 stops26h 40m
Sat 31/1008:40 -
2 stops25h 35m
Deal found 17/10£551
Thu 19/1120:50 -
2 stops22h 40m
Fri 20/1119:20 -
2 stops23h 00m
Deal found 18/10£552
Sat 14/1115:55 -
2 stops25h 10m
Mon 16/1107:00 -
3 stops21h 05m
Deal found 15/10£566
Wed 9/1202:40 -
1 stop23h 25m
Wed 10/209:30 -
1 stop23h 50m
Deal found 19/10£582
Thu 12/1119:30 -
2 stops24h 00m
Sun 22/1108:40 -
2 stops19h 50m
Deal found 18/10£592
Mon 16/1100:00 -
2 stops19h 30m
Tue 24/1122:05 -
1 stop22h 35m
Deal found 17/10£593
Mon 16/1120:50 -
3 stops23h 10m
Sun 22/1119:20 -
1 stop17h 50m
Deal found 14/10£595
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 19 October 2026.
Wed 2/1204:35 -
1 stop12h 30m
Thu 10/1220:55 -
1 stop16h 15m
Deal found 18/10£647
Mon 29/315:30 -
1 stop27h 50m
Fri 14/522:05 -
1 stop12h 25m
Deal found 18/10£663
Wed 4/1104:25 -
1 stop19h 00m
Tue 17/1120:05 -
1 stop26h 35m
Deal found 14/10£677
Tue 22/1215:10 -
1 stop20h 25m
Sun 10/121:40 -
1 stop11h 40m
Deal found 15/10£678
Tue 9/304:35 -
1 stop12h 30m
Sun 9/509:30 -
1 stop13h 55m
Deal found 16/10£691
Thu 5/1104:25 -
1 stop30h 30m
Fri 27/1108:25 -
1 stop14h 15m
Deal found 18/10£739
Sun 13/1204:35 -
1 stop12h 30m
Tue 12/108:40 -
1 stop13h 35m
Deal found 15/10£693
Wed 16/1204:35 -
1 stop12h 30m
Fri 22/108:40 -
1 stop13h 35m
Deal found 16/10£711
Thu 5/1104:25 -
1 stop30h 30m
Sun 15/1120:05 -
2 stops30h 20m
Deal found 19/10£788
Fri 18/1209:05 -
2 stops25h 50m
Tue 29/1220:05 -
1 stop26h 35m
Deal found 17/10£791
Thu 17/1204:35 -
1 stop12h 30m
Wed 20/108:40 -
1 stop13h 35m
Deal found 16/10£723
Tue 3/1104:35 -
1 stop12h 30m
Thu 15/409:30 -
1 stop13h 55m
Deal found 17/10£758
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 19 October 2026.
Tue 17/1113:05 -
Nonstop8h 50m
Tue 24/1120:00 -
Nonstop7h 45m
Deal found 17/10£681
Thu 19/1111:15 -
Nonstop8h 50m
Wed 25/1119:55 -
Nonstop7h 45m
Deal found 16/10£682
Sun 22/1112:20 -
Nonstop8h 50m
Tue 1/1220:00 -
Nonstop7h 45m
Deal found 16/10£686
Tue 17/1113:05 -
Nonstop8h 50m
Wed 18/1119:55 -
Nonstop7h 45m
Deal found 18/10£689
Wed 18/1112:15 -
Nonstop8h 50m
Wed 2/1219:55 -
Nonstop7h 45m
Deal found 15/10£692
Thu 12/1111:15 -
Nonstop8h 50m
Wed 18/1119:55 -
Nonstop7h 45m
Deal found 15/10£694
Thu 19/1111:15 -
Nonstop8h 50m
Fri 20/1116:45 -
Nonstop7h 45m
Deal found 18/10£698
Thu 19/1111:15 -
Nonstop8h 50m
Mon 14/1218:00 -
Nonstop7h 45m
Deal found 16/10£704
Last-minute flights from Islamabad to Heathrow
Discover last-minute flight deals from Islamabad to Heathrow. Data last updated 19 October 2026 and is based on user searches.
Sat 24/1009:00 -
2 stops26h 40m
Sat 31/1008:40 -
2 stops25h 35m
Deal found 17/10£551
Sat 24/1014:10 -
2 stops21h 30m
Sat 28/1122:05 -
1 stop22h 35m
Deal found 16/10£633
Mon 26/1020:50 -
2 stops22h 40m
Fri 6/1113:55 -
1 stop23h 15m
Deal found 15/10£600
Mon 26/1020:50 -
2 stops22h 40m
Sat 7/1122:05 -
1 stop22h 35m
Deal found 17/10£605
Mon 26/1015:10 -
1 stop20h 25m
Fri 6/1109:30 -
1 stop23h 50m
Deal found 15/10£612
Mon 26/1020:50 -
2 stops22h 40m
Sun 29/1113:55 -
1 stop23h 15m
Deal found 17/10£637
Mon 26/1020:50 -
2 stops22h 40m
Thu 29/1020:10 -
1 stop30h 15m
Deal found 17/10£644
Mon 26/1015:10 -
1 stop20h 25m
Mon 15/221:40 -
1 stop11h 40m
Deal found 15/10£645
Mon 26/1004:35 -
1 stop12h 30m
Tue 16/222:05 -
1 stop22h 35m
Deal found 15/10£650
Tue 27/1015:55 -
2 stops25h 10m
Mon 30/1109:30 -
1 stop12h 45m
Deal found 17/10£628
Tue 27/1015:55 -
2 stops25h 10m
Sun 29/1119:20 -
1 stop17h 50m
Deal found 17/10£635
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 19 October 2026.
Thu 26/1120:50 -
3 stops28h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£272
Thu 24/1200:45 -
1 stop18h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£273
Sun 29/1102:40 -
3 stops24h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/10£274
Tue 15/1220:50 -
3 stops28h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/10£275
Sun 10/117:45 -
1 stop17h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£275
Sun 28/202:35 -
1 stop22h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£276
Tue 2/302:35 -
1 stop14h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/10£277
Fri 8/100:45 -
1 stop18h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£278
Wed 25/1102:40 -
1 stop23h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£278
Tue 15/1202:40 -
3 stops24h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/10£279
Thu 5/1100:00 -
3 stops25h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/10£281
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 19 October 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 19 October 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
Fri 23/10
03:30-06:55
1 stop31h 25m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£325
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sat 24/10
03:30-06:55
1 stop31h 25m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£326
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 19/11
10:00-14:45
2 stops33h 45m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£343
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 9/11
04:25-18:25
1 stop19h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£343
Fastest return journey
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Wed 18/11
12:15-16:05
Nonstop8h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£344
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 6/12
12:20-16:10
Nonstop8h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£344
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sat 21/11
04:25-18:25
1 stop19h 00m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£344
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 3/12
11:15-15:05
Nonstop8h 50m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£344
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 26/11
10:00-14:45
2 stops33h 45m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£344
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 13/11
04:25-05:55
1 stop30h 30m
London Heathrow
Wed 31/12
00:00-04:00
Nonstop0h 00m
£349
Flights are sorted by cheapest return flights first.
Deals found on 14/10
Showing 1-10 of 22 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 £603). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £818). 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 19 October 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 £612 and £719 in November.The cheapest return price found within the last 5 days was £530 on Multiple Airlines (30 Nov–8 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 112 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.
Istanbul (IST) – 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 £644.
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 35m.
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 Riyadh (RUH) offer the fastest connection on this route, with an average stopover time of 2h 24m.
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 19 October 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 12h 30m. 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 Riyadh Air is currently your cheapest option to London Heathrow Airport, with prices starting at £228. Additional return tickets that might be worth considering are offered by SAUDIA and Kuwait Airways, with the lowest prices starting at £350 and £463, respectively. Riyadh Air is currently priced 67% 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?
£157 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 £229 and £235, respectively.
What are the cheapest flights from Islamabad to London Heathrow Airport?
The cheapest flight price from Islamabad to London Heathrow Airport is £258. On average you can expect to pay £517. The most popular route, (Islamabad Intl - London Heathrow), can usually be booked for £487.
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 Dubai in terms of the most popular stopover location on flights from Islamabad to London Heathrow Airport. Jeddah ranks third in terms of the most popular layover location on Islamabad to London Heathrow Airport flights.
What are some popular points of interest to see during a stopover in Dubai?
The majority of Dubai visitors spend their time at Burj Khalifa, LEGOLAND Dubai, and Gold Souq. Burj Khalifa, LEGOLAND Dubai, and Gold Souq are located about 6.8 mi, 32.0 mi, and 4.2 mi, respectively from Dubai Intl. Those on a stopover in Dubai in need of a car hire can book one at Dubai Intl for about £19.
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 £603). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £818). 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
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
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 19 October 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.
Browse through other flights departing from Islamabad. Flights are based on user searches made on Cheapflights and were last updated on 19 October 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 19 October 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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