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$331+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Islamabad Intl to London Heathrow are usually found in October or November, booked 59 days in advance, depart on a Monday or Tuesday 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 July 30, 2025.

Round-trip from

$731
(FlightHub)

One-way from

$337
(Orbitz)

Popular in

April

Cheapest in

October

Average price

$930
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. 4% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. 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.
Mon 9/294:20 amISB - LHR
1 stop14h 55mEtihad Airways
Thu 10/99:45 pmLHR - ISB
1 stop25h 30mEtihad Airways
Deal found 7/29$731
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 9/33:30 amISB - LHR
1 stop21h 35mAzerbaijan Airlines
Tue 11/1810:05 pmLHR - ISB
1 stop23h 25mAzerbaijan Airlines
Deal found 7/29$735
This Trip.com deal was found by Cheapflights users on 7/29. 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 9/283:00 amISB - LHR
1 stop13h 40mMultiple Airlines
Thu 10/910:05 pmLHR - ISB
1 stop12h 25mMultiple Airlines
Deal found 7/29$759
This Qatar Airways deal was found by Cheapflights users on 7/29. 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 11/68:55 amISB - LHR
1 stop18h 05mQatar Airways
Wed 11/192:55 pmLHR - ISB
1 stop11h 30mQatar Airways
Deal found 7/29$779
This FlightHub deal was found by Cheapflights users on 7/28. 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.
Mon 11/310:20 amISB - LHR
1 stop15h 45mTurkish Airlines
Wed 11/1911:30 amLHR - ISB
1 stop12h 15mTurkish Airlines
Deal found 7/28$812
This British Airways deal was found by Cheapflights users on 7/29. 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.
Tue 10/79:25 amISB - LHR
1 stop12h 35mBritish Airways
Wed 11/510:20 amLHR - ISB
2 stops16h 05mBritish Airways
Deal found 7/29$832
This Emirates deal was found by Cheapflights users on 7/29. 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.
Mon 9/153:05 amISB - LHR
1 stop21h 10mEmirates
Tue 9/308:40 pmLHR - ISB
1 stop30h 50mEmirates
Deal found 7/29$856

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 July 30, 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

Mon 9/29

4:20 am-3:15 pm

1 stop14h 55m

London Heathrow

Thu 10/9

9:45 pm-3:15 am

1 stop25h 30m

$731

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 9/3

3:30 am-9:05 pm

1 stop21h 35m

London Heathrow

Tue 11/18

10:05 pm-2:30 am

1 stop23h 25m

$735

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sun 9/28

3:00 am-12:40 pm

1 stop13h 40m

London Heathrow

Thu 10/9

10:05 pm-2:30 pm

1 stop12h 25m

$759

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 11/6

8:55 am-10:00 pm

1 stop18h 05m

London Heathrow

Wed 11/19

2:55 pm-7:25 am

1 stop11h 30m

$779

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 11/3

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Wed 11/19

11:30 am-4:45 am

1 stop12h 15m

$812

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 10/7

9:25 am-6:00 pm

1 stop12h 35m

London Heathrow

Wed 11/5

10:20 am-7:25 am

2 stops16h 05m

$832

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 9/15

3:05 am-8:15 pm

1 stop21h 10m

London Heathrow

Tue 9/30

8:40 pm-7:30 am

1 stop30h 50m

$856

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 9/24

3:30 am-9:05 pm

1 stop21h 35m

$331

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 9/23

10:50 am-8:30 pm

1 stop13h 40m

$362

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 9/25

9:25 am-10:00 pm

1 stop16h 35m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
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 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 July 25, 2025.

Booking 59 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 $1,097). 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’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.

Doha (DOH) – chosen by Cheapflights users on 46% 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.

Abu Dhabi (AUH) is the most affordable 1-stop option, with an average round-trip price of $902.

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: 13h 41m.

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 Kuwait City (KWI) offer the fastest connection on this route, with an average layover time of 2h 05m.

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 July 30, 2025.
Peruse reviews from past customers who have flown with Emirates, Qatar Airways, and SAUDIA 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.
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very good
3,299 reviews
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Qatar Airways
7.4
Good
3,607 reviews
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
SAUDIA
7.4
Good
627 reviews
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Etihad Airways
7.4
Good
1,230 reviews
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Turkish Airlines
7.3
Good
3,928 reviews
Emirates
8.1
Very good
3,299 reviews

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

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 $731, Etihad Airways will fly you from Islamabad to London Heathrow Airport and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Azerbaijan Airlines and Qatar Airways - these airlines can fly you to your destination from $735 and $779, respectively. These flights start at 18% 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 Azerbaijan Airlines, with whom users have recently found tickets for as low as $337. However, be on the lookout for offers from SAUDIA and Gulf Air, 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 $1,097). 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

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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.
Karachi to Heathrow flights
Lahore to Heathrow flights

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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$645Average$810FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$656Average$755FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$702Average$941FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$766Average$928FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$821Average$1,010FlexibilityNo cancel feeOn-time75%

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