$429+ Cheap flights from Islamabad (ISB) to Heathrow (LHR)
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
Sep 13 — Sep 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Islamabad to Heathrow with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Islamabad to Heathrow
Cheapest
Best
Last-minute
One-way
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 August 14, 2026.
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 August 14, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:50 am -
1 stop17h 55m
Sun 10/42:45 pm -
1 stop23h 40m
Deal found 8/12![Etihad Airways logo]()
$786
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 pm -
1 stop14h 00m
Tue 9/159:35 am -
1 stop12h 50m
Deal found 8/10![Riyadh Air logo]()
$791
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:45 pm -
1 stop21h 00m
Mon 10/54:50 pm -
2 stops21h 35m
Deal found 8/13![Multiple Airlines logo]()
$796
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:45 am -
1 stop18h 30m
Mon 11/301:55 pm -
1 stop32h 20m
Deal found 8/10![Multiple Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:50 am -
1 stop14h 15m
Sun 10/43:50 pm -
2 stops22h 35m
Deal found 8/13![Multiple Airlines logo]()
$804
This Etihad Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:50 am -
1 stop17h 55m
Wed 9/309:45 pm -
1 stop16h 40m
Deal found 8/13![Etihad Airways logo]()
$805
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:50 am -
1 stop33h 45m
Sat 9/199:45 pm -
1 stop25h 40m
Deal found 8/12![Multiple Airlines logo]()
$806
This Etihad Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:50 am -
1 stop11h 55m
Sun 11/18:50 am -
1 stop13h 25m
Deal found 8/14![Etihad Airways logo]()
$809
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:30 pm -
1 stop19h 25m
Mon 10/1210:00 am -
1 stop24h 30m
Deal found 8/14![Gulf Air logo]()
$810
This Etihad Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:45 pm -
1 stop15h 15m
Sat 11/78:55 pm -
1 stop16h 15m
Deal found 8/14![Etihad Airways logo]()
$813
This Etihad Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:35 am -
1 stop12h 30m
Tue 5/189:30 am -
1 stop13h 55m
Deal found 8/13![Etihad Airways logo]()
$814
Best flights from Islamabad to HeathrowDiscover carefully curated flight deals from Islamabad to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Islamabad to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/204:35 am -
1 stop12h 30m
Sat 1/231:55 pm -
1 stop23h 15m
Deal found 8/12![Etihad Airways logo]()
$914
This Gulf Air deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:10 pm -
1 stop20h 25m
Fri 1/89:30 am -
1 stop23h 50m
Deal found 8/10![Gulf Air logo]()
$922
This Qatar Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:25 am -
1 stop32h 40m
Thu 9/249:30 am -
1 stop18h 10m
Deal found 8/12![Qatar Airways logo]()
$968
This Pakistan International Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Pakistan International Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:00 am -
2 stops33h 45m
Thu 1/76:00 pm -
2 stops40h 25m
Deal found 8/11![Pakistan International Airlines logo]()
$1,199
This Oman Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:25 am -
2 stops37h 45m
Fri 10/98:50 pm -
2 stops30h 50m
Deal found 8/11![Oman Air logo]()
$1,277
This Qatar Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:20 am -
1 stop13h 55m
Thu 1/213:30 pm -
1 stop10h 55m
Deal found 8/9![Qatar Airways logo]()
$975
This Gulf Air deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:30 pm -
1 stop27h 50m
Fri 10/1610:00 am -
1 stop24h 30m
Deal found 8/11![Gulf Air logo]()
$985
This Qatar Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am -
1 stop15h 00m
Thu 10/812:00 pm -
2 stops15h 40m
Deal found 8/14![Qatar Airways logo]()
$1,046
This Etihad Airways deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 am -
1 stop14h 15m
Thu 7/229:30 am -
1 stop13h 55m
Deal found 8/11![Etihad Airways logo]()
$1,233
This Qatar Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:25 am -
1 stop32h 40m
Sun 9/138:05 am -
1 stop19h 35m
Deal found 8/13![Qatar Airways logo]()
$1,079
This Qatar Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:30 am -
1 stop13h 45m
Tue 9/159:10 pm -
2 stops24h 40m
Deal found 8/10![Qatar Airways logo]()
$1,237
This Qatar Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:30 am -
2 stops19h 25m
Tue 9/89:30 am -
1 stop18h 10m
Deal found 8/14![Qatar Airways logo]()
$1,264
Last-minute flights from Islamabad to HeathrowDiscover last-minute flight deals from Islamabad to Heathrow. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Islamabad to Heathrow. Data last updated August 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 pm -
1 stop14h 00m
Tue 9/159:35 am -
1 stop12h 50m
Deal found 8/10![Riyadh Air logo]()
$791
This Trip.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:50 am -
1 stop33h 45m
Sat 9/199:45 pm -
1 stop25h 40m
Deal found 8/12![Multiple Airlines logo]()
$806
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:20 pm -
2 stops19h 25m
Wed 9/168:45 pm -
1 stop17h 40m
Deal found 8/14![Multiple Airlines logo]()
$816
This Etihad Airways deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:50 am -
1 stop17h 55m
Wed 9/309:45 pm -
1 stop16h 40m
Deal found 8/13![Etihad Airways logo]()
$805
This Gotogate deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:45 pm -
1 stop21h 00m
Tue 9/229:30 am -
1 stop13h 55m
Deal found 8/10![Etihad Airways logo]()
$820
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:45 pm -
1 stop21h 00m
Mon 10/54:50 pm -
2 stops21h 35m
Deal found 8/13![Multiple Airlines logo]()
$796
This Etihad Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:50 am -
1 stop11h 55m
Sun 11/18:50 am -
1 stop13h 25m
Deal found 8/14![Etihad Airways logo]()
$809
This Etihad Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:50 am -
1 stop11h 55m
Sat 11/71:55 pm -
1 stop23h 15m
Deal found 8/14![Etihad Airways logo]()
$814
This Etihad Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:45 pm -
1 stop15h 15m
Mon 11/28:50 am -
1 stop13h 25m
Deal found 8/14![Etihad Airways logo]()
$813
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:50 am -
1 stop14h 15m
Sun 10/43:50 pm -
2 stops22h 35m
Deal found 8/13![Multiple Airlines logo]()
$804
This Etihad Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:50 am -
1 stop17h 55m
Sun 10/42:45 pm -
1 stop23h 40m
Deal found 8/12![Etihad Airways logo]()
$786
One-way flights from Islamabad to HeathrowSearch for one-way flight options from Islamabad to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Islamabad to Heathrow. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:50 am -
1 stop11h 55m
Deal found 8/10![Etihad Airways logo]()
$429
This SAUDIA deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:55 am -
1 stop21h 35m
Deal found 8/14![SAUDIA logo]()
$435
This Qatar Airways deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:25 am -
1 stop12h 35m
Deal found 8/14![Qatar Airways logo]()
$436
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:45 pm -
2 stops17h 00m
Deal found 8/12![Multiple Airlines logo]()
$438
This Qatar Airways deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:25 am -
1 stop26h 35m
Deal found 8/10![Qatar Airways logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/238:50 pm -
3 stops26h 50m
Deal found 8/10![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 am -
1 stop18h 30m
Deal found 8/12![SAUDIA logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 pm -
3 stops20h 55m
Deal found 8/12![Multiple Airlines logo]()
$450
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:45 am -
1 stop22h 20m
Deal found 8/11![Azerbaijan Airlines logo]()
$452
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:45 pm -
2 stops23h 00m
Deal found 8/14![Multiple Airlines logo]()
$455
This Qatar Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:30 am -
1 stop14h 40m
Deal found 8/12![Qatar Airways logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:45 pm -
3 stops23h 00m
Deal found 8/10![Multiple Airlines logo]()
$458
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 August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $786 (Etihad Airways) |
One-way from | $429 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $1,044 |
Good round-trip deal | $997 or less |
Good one-way deal | $522 or less |
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated August 14, 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
Cheapest round-trip
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 12/20
4:35 am-12:05 pm
1 stop12h 30m
London Heathrow
Sat 1/23
1:55 pm-6:10 pm
1 stop23h 15m
$914
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sat 12/19
3:10 pm-6:35 am
1 stop20h 25m
London Heathrow
Fri 1/8
9:30 am-2:20 pm
1 stop23h 50m
$922
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 9/10
9:25 am-2:05 pm
1 stop32h 40m
London Heathrow
Thu 9/24
9:30 am-7:40 am
1 stop18h 10m
$968
Quickest round-trip
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sat 11/7
3:20 am-12:15 pm
1 stop13h 55m
London Heathrow
Thu 1/21
3:30 pm-7:25 am
1 stop10h 55m
$975
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 9/14
3:30 pm-3:20 pm
1 stop27h 50m
London Heathrow
Fri 10/16
10:00 am-2:30 pm
1 stop24h 30m
$985
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 9/24
9:25 am-8:25 pm
1 stop15h 00m
London Heathrow
Thu 10/8
12:00 pm-7:40 am
2 stops15h 40m
$1,046
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 9/6
9:25 am-2:05 pm
1 stop32h 40m
London Heathrow
Sun 9/13
8:05 am-7:40 am
1 stop19h 35m
$1,079
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 12/24
10:00 am-2:45 pm
2 stops33h 45m
London Heathrow
Thu 1/7
6:00 pm-3:25 pm
2 stops40h 25m
$1,199
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 8/27
4:50 am-3:05 pm
1 stop14h 15m
London Heathrow
Thu 7/22
9:30 am-3:25 am
1 stop13h 55m
$1,233
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 9/14
3:30 am-1:15 pm
1 stop13h 45m
London Heathrow
Tue 9/15
9:10 pm-1:50 am
2 stops24h 40m
$1,237
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Islamabad to Heathrow
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islamabad to Heathrow in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islamabad-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islamabad-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islamabad-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islamabad-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islamabad-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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?
Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Islamabad to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $805). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of $1,089). 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 August 14, 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 often are flights from Islamabad to London delayed?
About 9% 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?
Sunday 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 last year, Pakistan International Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
What’s the top layover airport for flights from Islamabad to London Heathrow Airport?
Share of 1-stop round-trip flights from Islamabad to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Istanbul (IST) – chosen by Cheapflights users on 56% of 1-stop itineraries from Islamabad to London Heathrow Airport on Cheapflights.
What’s the cheapest layover airport for flights from Islamabad to London Heathrow Airport?
Average round-trip fare for 1-stop flights from Islamabad to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $871.
What’s the fastest layover option from Islamabad to London Heathrow Airport?
Shortest average travel time for 1-stop one-way flights from Islamabad to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 12h 11m.
Which airport typically offers the quickest layover for flights from Islamabad to London Heathrow Airport?
Average layover duration for 1-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 Istanbul (IST) offer the fastest connection on this route, with an average layover time of 2h 15m.
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 August 14, 2026.
Peruse reviews from past customers who have flown with Emirates,Qatar Airways, andTurkish Airlines from Islamabad to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Crew
8.4
Food
7.9
Comfort
8.0
Boarding
8.2
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
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.
Traveling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Northampton
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
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.
Alternative routes
Complete your trip
Flights by cabin class
Heathrow flight routes
Other flight options
Popular flights
Alternative routes for Islamabad to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Islamabad to Heathrow by cabin class
Find flights from Islamabad to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Islamabad and Heathrow flights
Browse other Islamabad and Heathrow flight options. Last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Islamabad to Heathrow
Discover the top 5 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$808 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$676 | Average$835 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$747 | Average$955 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$799 | Average$1,056 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$845 | Average$1,032 | FlexibilityNo cancel fee | On-time50% |