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$380+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Islamabad Intl to London Heathrow are usually found in October or March, booked 89 days in advance, depart on a Monday or Friday and return on a Monday

Cheap 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 juin 12, 2025.

Round-trip from

$725
(FlightHub)

One-way from

$380
(British Airways)

Popular in

April

Cheapest in

October

Average price

$953
From Islamabad Intl to London Heathrow
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One-way flight from Islamabad Intl to London Heathrow
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Islamabad to Heathrow

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 juin 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/159:25 amISB - LHR
1 stop31h 50mMultiple Airlines
ven. 8/1511:00 amLHR - ISB
1 stop16h 40mMultiple Airlines
Deal found 6/11$725
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/49:25 amISB - LHR
1 stop26h 35mBritish Airways
lun. 8/187:25 pmLHR - ISB
1 stop32h 15mBritish Airways
Deal found 6/11$730
This Qatar Airways deal was found by Cheapflights users on 6/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/59:25 amISB - LHR
1 stop16h 35mQatar Airways
lun. 8/186:55 pmLHR - ISB
1 stop26h 55mQatar Airways
Deal found 6/11$732
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:35 pmISB - LHR
1 stop27h 10mEtihad Airways
mar. 9/309:45 pmLHR - ISB
1 stop25h 30mEtihad Airways
Deal found 6/12$741
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/233:55 amISB - LHR
1 stop14h 50mKuwait Airways
dim. 11/211:45 amLHR - ISB
1 stop10h 50mKuwait Airways
Deal found 6/12$770
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/179:25 amISB - LHR
1 stop10h 35mTurkish Airlines
lun. 8/411:20 amLHR - ISB
1 stop12h 35mTurkish Airlines
Deal found 6/10$808
This Emirates deal was found by Cheapflights users on 6/11. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/193:05 amISB - LHR
1 stop15h 20mEmirates
dim. 10/58:40 pmLHR - ISB
1 stop24h 35mEmirates
Deal found 6/11$861

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 juin 12, 2025.
Use the filters below to find and compare flights from Islamabad to London Heathrow Airport that are best for you.

Fly from

Islamabad

Fly to

Heathrow

Route

Depart

Return

Price

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

mar. 7/15

9:25 am-1:15 pm

1 stop31h 50m

London Heathrow

ven. 8/15

11:00 am-7:40 am

1 stop16h 40m

$725

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

ven. 7/4

9:25 am-8:00 am

1 stop26h 35m

London Heathrow

lun. 8/18

7:25 pm-7:40 am

1 stop32h 15m

$730

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

mar. 8/5

9:25 am-10:00 pm

1 stop16h 35m

London Heathrow

lun. 8/18

6:55 pm-1:50 am

1 stop26h 55m

$732

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

mar. 9/16

7:35 pm-6:45 pm

1 stop27h 10m

London Heathrow

mar. 9/30

9:45 pm-3:15 am

1 stop25h 30m

$741

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

jeu. 10/23

3:55 am-2:45 pm

1 stop14h 50m

London Heathrow

dim. 11/2

11:45 am-3:35 am

1 stop10h 50m

$770

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

lun. 10/13

5:25 am-4:40 pm

1 stop15h 15m

London Heathrow

lun. 10/20

1:25 pm-7:55 am

1 stop14h 30m

$812

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

ven. 9/19

3:05 am-2:25 pm

1 stop15h 20m

London Heathrow

dim. 10/5

8:40 pm-1:15 am

1 stop24h 35m

$861

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

sam. 7/12

9:25 am-10:00 pm

1 stop16h 35m

$380

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

jeu. 8/7

7:35 pm-7:00 am

1 stop15h 25m

$397

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

ven. 10/10

5:50 pm-2:35 pm

2 stops24h 45m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
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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 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

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

Use this chart to determine the optimal time to book a round-trip flight from Islamabad to Heathrow. Price data was last updated on June 9, 2025.

Booking 89 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, November is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of $661). Flying from Islamabad to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 juin 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Islamabad to London Heathrow Airport by exploring options for tickets at noon.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 juin 12, 2025.
Read reviews from past customers who have flown Emirates, Qatar Airways and SAUDIA from Islamabad to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.
Emirates
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.
Qatar Airways
7.4
Good
3,584 reviews
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.
SAUDIA
7.4
Good
617 reviews
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.
Etihad Airways
7.4
Good
1,211 reviews
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.
Turkish Airlines
7.3
Good
3,848 reviews
Emirates
8.1
Very good
3,264 reviews

Food

7.8

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

CPT - DXB

Overall a good experience. Can’t fault it. Good could have been a little better.

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 5 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.

  • What are the cheapest airlines flying from Islamabad to London Heathrow Airport round-trip?

    Currently priced at $730, British Airways will fly you from Islamabad to London Heathrow Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Etihad Airways - these airlines can fly you to your destination from $732 and $741, respectively. These flights start at 20% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Islamabad to London Heathrow Airport one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $380. However, be on the lookout for offers from Etihad Airways and SAUDIA, as they are both options that can get you from Islamabad to London Heathrow Airport for a low price.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of $661). Flying from Islamabad to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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

Traveling to a place near Islamabad?

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Alternative routes for Islamabad to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$645Average$894FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$658Average$741FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$766Average$946FlexibilityNo cancel feeOn-time68%
British AirwaysCheapest$777Average$1,070FlexibilityNo cancel feeOn-time70%
EmiratesCheapest$788Average$1,044FlexibilityNo cancel feeOn-time75%

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