Cheap flights from Islamabad to London Heathrow Airport from £275

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
30 Jun — 7 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Islamabad Intl to London Heathrow are usually found in October or March, booked 58 days in advance, depart on a Friday or Saturday and return on a Sunday

Cheap flight deals from Islamabad to Heathrow

Enter your travel dates to find the best prices.

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 31 May 2026.

Wed 3/602:45
ISB
-
LHR
1 stop22h 20m
Multiple Airlines
Sun 14/614:45
LHR
-
ISB
1 stop23h 40m
Multiple Airlines
Deal found 30/5£562
Thu 2/715:30
ISB
-
LHR
1 stop27h 50m
Multiple Airlines
Mon 6/721:45
LHR
-
ISB
1 stop25h 40m
Multiple Airlines
Deal found 28/5£565
Thu 2/715:30
ISB
-
LHR
1 stop27h 50m
Multiple Airlines
Sat 4/714:45
LHR
-
ISB
1 stop32h 40m
Multiple Airlines
Deal found 28/5£565
Thu 23/715:30
ISB
-
LHR
1 stop27h 50m
Multiple Airlines
Thu 24/918:30
LHR
-
ISB
2 stops40h 00m
Multiple Airlines
Deal found 29/5£579
Tue 22/915:30
ISB
-
LHR
1 stop19h 25m
Multiple Airlines
Mon 5/1014:45
LHR
-
ISB
1 stop32h 40m
Multiple Airlines
Deal found 29/5£586
Wed 3/602:45
ISB
-
LHR
1 stop22h 20m
Multiple Airlines
Sun 7/622:05
LHR
-
ISB
1 stop12h 25m
Multiple Airlines
Deal found 30/5£588
Sat 4/719:45
ISB
-
LHR
1 stop27h 00m
Multiple Airlines
Sat 26/911:45
LHR
-
ISB
3 stops46h 45m
Multiple Airlines
Deal found 30/5£596
Fri 3/704:50
ISB
-
LHR
1 stop17h 55m
Etihad Airways
Wed 26/821:45
LHR
-
ISB
1 stop16h 40m
Etihad Airways
Deal found 28/5£597
Tue 4/802:55
ISB
-
LHR
1 stop13h 45m
Multiple Airlines
Tue 18/821:45
LHR
-
ISB
1 stop25h 40m
Multiple Airlines
Deal found 26/5£598

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 31 May 2026.

Round-trip from

£565

One-way from

£275

Popular in

November

Cheapest in

October

Average price

£634

Good round-trip deal

£617 or less

Good one-way deal

£373 or less
Etihad Airways
  • Etihad Airways
  • 2/7-6/7
  • 2 total stops
  • 53h 30m total
  • Islamabad to London
Gulf Air
  • Gulf Air
  • 15/10
  • 1 total stop
  • 19h 25m total
  • Islamabad to London
Highest demand for flights based on searches. 0% potential increase in price (£3 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Islamabad Intl to London Heathrow.
Price to beat on a one-way flight from Islamabad Intl to London Heathrow.

Cheapflights Fare Finder

 
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 858,174 searches. Data last updated 31 May 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 - LHR

ISBLHR

Islamabad Intl

Tue 15/9

05:05-15:10

1 stop14h 05m

London Heathrow

Tue 15/9

22:40-03:35

1 stop48h 55m

£636
Fastest return journey

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 24/9

04:50-12:45

1 stop11h 55m

London Heathrow

Sat 3/10

09:30-03:25

1 stop13h 55m

£649

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 28/7

15:30-15:20

1 stop27h 50m

London Heathrow

Fri 14/8

10:00-14:30

1 stop24h 30m

£652

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 29/7

04:50-18:45

1 stop17h 55m

London Heathrow

Mon 24/8

21:45-18:25

1 stop16h 40m

£656

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sat 1/8

19:45-12:45

1 stop21h 00m

London Heathrow

Tue 18/8

09:30-03:25

1 stop13h 55m

£677

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 2/7

09:15-21:05

1 stop15h 50m

London Heathrow

Sat 11/7

18:30-07:45

1 stop33h 15m

£685

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 18/8

09:15-16:40

1 stop11h 25m

London Heathrow

Wed 9/9

16:45-07:45

1 stop35h 00m

£732

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 22/6

15:30-15:20

1 stop27h 50m

London Heathrow

Fri 26/6

22:05-14:30

1 stop12h 25m

£747

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Fri 19/6

09:25-18:40

1 stop13h 15m

London Heathrow

Sat 12/9

19:50-07:30

1 stop31h 40m

£758

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 1/7

19:45-15:05

1 stop23h 20m

London Heathrow

Fri 31/7

21:45-03:25

1 stop25h 40m

£811

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.
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

How far ahead should I book a flight from Islamabad to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Islamabad to London Heathrow Airport, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Islamabad to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of £597). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £809). 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 31 May 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?

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 31 May 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andTurkish Airlines from Islamabad to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Boarding

8.1

Comfort

8.0

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

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 £285. Additional return tickets that might be worth considering are offered by SAUDIA and Kuwait Airways, with the lowest prices starting at £323 and £443, respectively. Gulf Air is currently priced 57% 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?

    £161 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 SAUDIA, with prices starting from £240 and £244, respectively.

  • What are the cheapest flights from Islamabad to London Heathrow Airport?

    The cheapest flight price from Islamabad to London Heathrow Airport is £277. On average you can expect to pay £571. The most popular route, (Islamabad Intl - London Heathrow), can usually be booked for £556.

  • Where are the most common stopover locations when flying from Islamabad to London Heathrow Airport?

  • What are points of interest worth seeing during a stopover in Abu Dhabi?

    Abu Dhabi travellers tend to visit Yas Waterworld, Ferrari World Abu Dhabi, and Emirates Palace Mandarin Oriental more than any other attractions. Those on a layover in Abu Dhabi interested in visiting Yas Waterworld, Ferrari World Abu Dhabi, or Emirates Palace Mandarin Oriental can do so by travelling 5.0 mi, 4.5 mi, and 21.1 mi, respectively from Abu Dhabi Zayed Intl. Travellers can hire a car at Abu Dhabi Zayed Intl for an average daily rate of £13 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for Islamabad to London Heathrow Airport flights?

  • 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, October is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of £597). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of £809). 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.

See more FAQs

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
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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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 31 May 2026.

Top 9 airlines flying from Islamabad to Heathrow

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 858,174 searches. Data last updated 31 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Gulf AirCheapest£285Average£587FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
SAUDIACheapest£323Average£657FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Kuwait AirwaysCheapest£443Average£623FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Etihad AirwaysCheapest£481Average£595FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£514Average£713FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest£533Average£600FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£541Average£680FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest£581Average£708FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Pakistan International AirlinesCheapest£609Average£732FlexibilityNo cancel feeOn-time50%
Search Pakistan International Airlines flights

Fly with Cheapflights

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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