$411+ Cheap flights from Islamabad (ISB) to Heathrow (LHR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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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 Tuesday
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 September 5, 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 September 5, 2026.
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/1511:45 pm -
2 stops23h 00m
Wed 9/238:45 pm -
2 stops15h 50m
Deal found 9/1![Multiple Airlines logo]()
$763
This Trip.com deal was found by Cheapflights users on 9/1. 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.
Fri 9/189:30 pm -
1 stop14h 00m
Sat 9/262:45 pm -
1 stop23h 40m
Deal found 9/1![Multiple Airlines logo]()
$771
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Mon 11/98:50 pm -
3 stops23h 10m
Mon 1/119:30 am -
1 stop12h 50m
Deal found 9/3![Multiple Airlines logo]()
$776
This Mytrip deal was found by Cheapflights users on 8/31. 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.
Mon 12/148:50 pm -
3 stops23h 10m
Wed 1/139:30 am -
1 stop12h 50m
Deal found 8/31![Multiple Airlines logo]()
$785
This Trip.com deal was found by Cheapflights users on 9/3. 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.
Mon 12/72:30 am -
1 stop14h 45m
Tue 1/121:55 pm -
1 stop23h 15m
Deal found 9/3![Multiple Airlines logo]()
$786
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Mon 10/59:30 pm -
1 stop14h 00m
Tue 10/136:30 am -
2 stops19h 40m
Deal found 9/3![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 9/1. 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.
Mon 11/28:50 pm -
3 stops23h 10m
Tue 11/108:10 pm -
1 stop24h 30m
Deal found 9/1![Multiple Airlines logo]()
$797
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/229:20 pm -
2 stops21h 45m
Fri 10/98:45 pm -
2 stops22h 10m
Deal found 9/1![Multiple Airlines logo]()
$800
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 September 5, 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 September 5, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/31. 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.
Tue 1/124:35 am -
1 stop18h 35m
Sun 1/318:50 am -
1 stop13h 25m
Deal found 8/31![Etihad Airways logo]()
$896
This Oman Air deal was found by Cheapflights users on 9/5. 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.
Tue 9/153:30 am -
1 stop19h 40m
Wed 9/308:50 pm -
1 stop25h 55m
Deal found 9/5![Oman Air logo]()
$933
This Qatar Airways deal was found by Cheapflights users on 9/5. 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.
Wed 9/169:25 am -
1 stop26h 35m
Thu 10/19:30 am -
1 stop18h 10m
Deal found 9/5![Qatar Airways logo]()
$972
This Turkish Airlines deal was found by Cheapflights users on 9/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:15 am -
1 stop15h 50m
Tue 9/224:45 pm -
1 stop11h 00m
Deal found 9/5![Turkish Airlines logo]()
$1,022
This Emirates deal was found by Cheapflights users on 9/1. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:25 am -
1 stop14h 50m
Mon 10/59:05 am -
1 stop12h 10m
Deal found 9/1![Emirates logo]()
$1,030
This Oman Air deal was found by Cheapflights users on 9/5. 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.
Wed 9/233:30 am -
1 stop19h 40m
Thu 10/88:50 pm -
2 stops49h 00m
Deal found 9/5![Oman Air logo]()
$1,048
This Etihad Airways deal was found by Cheapflights users on 9/2. 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.
Tue 9/154:50 am -
1 stop17h 55m
Tue 9/158:45 pm -
1 stop17h 40m
Deal found 9/2![Etihad Airways logo]()
$1,064
This Turkish Airlines deal was found by Cheapflights users on 8/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:05 am -
1 stop14h 55m
Tue 9/1510:40 pm -
1 stop48h 55m
Deal found 8/31![Turkish Airlines logo]()
$1,074
This Oman Air deal was found by Cheapflights users on 9/4. 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.
Mon 9/283:50 am -
1 stop19h 20m
Thu 10/88:50 pm -
2 stops49h 00m
Deal found 9/4![Oman Air logo]()
$1,052
This Oman Air deal was found by Cheapflights users on 9/4. 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.
Tue 9/293:30 am -
1 stop19h 40m
Thu 10/88:50 pm -
2 stops49h 00m
Deal found 9/4![Oman Air logo]()
$1,052
This Oman Air deal was found by Cheapflights users on 9/3. 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.
Sun 9/273:30 am -
1 stop19h 40m
Fri 10/168:50 pm -
2 stops25h 00m
Deal found 9/3![Oman Air logo]()
$1,086
Last-minute flights from Islamabad to HeathrowDiscover last-minute flight deals from Islamabad to Heathrow. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Islamabad to Heathrow. Data last updated September 5, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/1511:45 pm -
2 stops23h 00m
Wed 9/238:45 pm -
2 stops15h 50m
Deal found 9/1![Multiple Airlines logo]()
$763
This Trip.com deal was found by Cheapflights users on 9/1. 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.
Fri 9/189:30 pm -
1 stop14h 00m
Sat 9/262:45 pm -
1 stop23h 40m
Deal found 9/1![Multiple Airlines logo]()
$771
This Trip.com deal was found by Cheapflights users on 9/2. 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.
Fri 9/189:50 am -
1 stop32h 45m
Wed 9/238:45 pm -
1 stop17h 40m
Deal found 9/2![Multiple Airlines logo]()
$816
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/229:20 pm -
2 stops21h 45m
Fri 10/98:45 pm -
2 stops22h 10m
Deal found 9/1![Multiple Airlines logo]()
$800
This Gotogate deal was found by Cheapflights users on 9/2. 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.
Fri 9/253:30 pm -
1 stop19h 25m
Sun 10/410:05 pm -
1 stop12h 25m
Deal found 9/2![Gulf Air logo]()
$807
This Gotogate deal was found by Cheapflights users on 9/2. 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.
Fri 9/253:30 pm -
1 stop27h 50m
Mon 10/510:05 pm -
1 stop12h 25m
Deal found 9/2![Gulf Air logo]()
$813
This Mytrip deal was found by Cheapflights users on 8/31. 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.
Thu 10/19:20 pm -
2 stops21h 45m
Fri 10/99:30 am -
2 stops19h 25m
Deal found 8/31![Multiple Airlines logo]()
$803
This Gotogate deal was found by Cheapflights users on 9/1. 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 stop27h 50m
Fri 10/1610:00 am -
1 stop24h 30m
Deal found 9/1![Gulf Air logo]()
$814
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Mon 10/59:30 pm -
1 stop14h 00m
Tue 10/136:30 am -
2 stops19h 40m
Deal found 9/3![Multiple Airlines logo]()
$791
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 September 5, 2026.
Search for one-way flight options from Islamabad to Heathrow. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/1911:45 pm -
3 stops20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/179:20 pm -
3 stops26h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/1011:45 pm -
3 stops25h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$414
This Trip.com deal was found by Cheapflights users on 9/4. 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 10/49:50 am -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![SAUDIA logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/239:20 pm -
3 stops27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$421
This Expedia deal was found by Cheapflights users on 9/3. 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.
Mon 9/149:30 pm -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Riyadh Air logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Mon 9/1411:45 pm -
3 stops20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/1611:45 pm -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$425
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:35 am -
1 stop13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![SAUDIA logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 9/1811:55 pm -
3 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$427
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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $763 (Mytrip) |
One-way from | $411 (Kiwi.com) |
Popular in | November |
Cheapest in | March |
Average price | $904 |
Good round-trip deal | $1,073 or less |
Good one-way deal | $521 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 7,457,451 searches. Data last updated September 5, 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
Sat 10/17
9:20 pm-7:55 pm
3 stops26h 35m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$415
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 9/28
7:45 pm-3:05 pm
1 stop23h 20m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$459
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sun 9/27
7:45 pm-3:05 pm
1 stop23h 20m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$459
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Fri 9/18
3:30 pm-3:20 pm
1 stop27h 50m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$473
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 9/17
3:30 pm-3:20 pm
1 stop27h 50m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$473
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Sat 10/17
7:00 pm-5:00 pm
2 stops50h 00m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$478
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 9/24
3:30 am-7:10 pm
1 stop19h 40m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$498
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Thu 9/17
9:25 am-8:00 am
1 stop26h 35m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$509
Quickest round-trip
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Tue 9/15
3:30 pm-6:55 am
1 stop19h 25m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$510
IslamabadLondon
ISB Islamabad Intl - LHR London Heathrow
ISBLHR
Islamabad Intl
Mon 9/14
9:25 am-6:30 am
1 stop25h 05m
London Heathrow
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$543
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 Accuracy1 star | 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 $1,090). 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 September 5, 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 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 last 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 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.
Riyadh (RUH) – chosen by Cheapflights users on 53% 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 $877.
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: 11h 25m.
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 1h 56m.
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 September 5, 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.
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
Reviews
1 / 20
10.0
ExcellentSteven,May 2026
DXB - GLA
Entertainment
8.2
Crew
8.4
Overall
8.1
Comfort
8.0
Boarding
8.2
Food
7.9
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.
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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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$828 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$682 | Average$839 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$747 | Average$955 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$812 | Average$1,042 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$845 | Average$1,034 | FlexibilityNo cancel fee | On-time50% |