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$332+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISB — LHR
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
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 89 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 August 13, 2025.

Round-trip from

$723
(CheapOair)

One-way from

$332
(Trip.com)

Popular in

April

Cheapest in

October

Average price

$1,035
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. 5% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 13, 2025.

This CheapOair 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 CheapOair 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 8/13$723
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:25 amISB - LHR
1 stop21h 00mTurkish Airlines
Tue 9/1611:20 amLHR - ISB
1 stop36h 25mTurkish Airlines
Deal found 8/12$726
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:30 amISB - LHR
1 stop18h 40mEtihad Airways
Mon 11/178:55 amLHR - ISB
1 stop13h 15mEtihad Airways
Deal found 8/11$728
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/214:20 amISB - LHR
1 stop14h 55mEtihad Airways
Wed 10/89:45 pmLHR - ISB
1 stop25h 30mEtihad Airways
Deal found 8/11$734
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:20 amISB - LHR
1 stop14h 55mEtihad Airways
Wed 11/57:20 pmLHR - ISB
1 stop17h 55mEtihad Airways
Deal found 8/12$735
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:45 amISB - LHR
1 stop22h 20mAzerbaijan Airlines
Tue 11/1810:05 pmLHR - ISB
1 stop23h 25mAzerbaijan Airlines
Deal found 8/11$742
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:20 amISB - LHR
1 stop14h 55mEtihad Airways
Tue 10/149:45 pmLHR - ISB
1 stop16h 40mEtihad Airways
Deal found 8/11$749
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:20 amISB - LHR
1 stop14h 55mEtihad Airways
Thu 10/168:55 pmLHR - ISB
1 stop17h 30mEtihad Airways
Deal found 8/11$751
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 10/277:25 pmISB - LHR
1 stop16h 15mEtihad Airways
Tue 11/48:55 amLHR - ISB
1 stop28h 20mEtihad Airways
Deal found 8/12$752
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.
Sun 11/24:30 amISB - LHR
1 stop12h 35mEtihad Airways
Wed 11/198:55 amLHR - ISB
1 stop13h 15mEtihad Airways
Deal found 8/11$753
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.
Tue 9/234:20 amISB - LHR
1 stop14h 55mEtihad Airways
Wed 10/229:30 amLHR - ISB
1 stop13h 45mEtihad Airways
Deal found 8/13$754
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/194:20 amISB - LHR
1 stop14h 55mEtihad Airways
Mon 9/299:30 amLHR - ISB
1 stop13h 45mEtihad Airways
Deal found 8/11$756

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 13, 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

Thu 9/11

5:25 am-10:25 pm

1 stop21h 00m

London Heathrow

Tue 9/16

11:20 am-3:45 am

1 stop36h 25m

$726

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 9/16

5:25 am-4:00 pm

1 stop14h 35m

London Heathrow

Thu 9/18

11:20 am-3:45 am

1 stop36h 25m

$726

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 11/4

4:30 am-6:10 pm

1 stop18h 40m

London Heathrow

Mon 11/17

8:55 am-3:10 am

1 stop13h 15m

$728

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 11/4

4:30 am-2:30 pm

1 stop15h 00m

London Heathrow

Tue 11/18

8:55 am-3:10 am

1 stop13h 15m

$728

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 10/7

4:20 am-3:15 pm

1 stop14h 55m

London Heathrow

Wed 11/5

7:20 pm-6:15 pm

1 stop17h 55m

$735

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 11/20

7:25 pm-6:40 am

1 stop16h 15m

London Heathrow

Fri 11/28

8:55 pm-3:10 am

1 stop25h 15m

$735

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Fri 9/26

4:20 am-3:15 pm

1 stop14h 55m

London Heathrow

Thu 10/9

9:45 pm-6:25 pm

1 stop16h 40m

$735

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 11/5

3:45 am-9:05 pm

1 stop22h 20m

London Heathrow

Tue 11/18

10:05 pm-2:30 am

1 stop23h 25m

$742

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 9/30

4:20 am-3:15 pm

1 stop14h 55m

London Heathrow

Tue 10/14

9:45 pm-6:25 pm

1 stop16h 40m

$749

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 10/1

4:20 am-3:15 pm

1 stop14h 55m

London Heathrow

Thu 10/16

8:55 pm-6:25 pm

1 stop17h 30m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 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 August 8, 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 $1,097). 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 47% 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 Kuwait City (KWI) have the shortest average one-way travel time for 1-stop routes: 13h 35m.

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 1h 53m.

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 13, 2025.
Peruse reviews from past customers who have flown with Emirates, Qatar Airways, and Etihad Airways 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
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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
3,314 reviews
Emirates
8.1
Very good
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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
3,608 reviews
Emirates
8.1
Very good
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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
1,232 reviews
Emirates
8.1
Very good
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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
3,942 reviews
Emirates
8.1
Very good
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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.
British Airways
6.7
Okay
7,265 reviews
Emirates
8.1
Very good
3,314 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

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 $723, Azerbaijan Airlines will fly you from Islamabad to London Heathrow Airport and back. In addition to Azerbaijan Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Turkish Airlines and Etihad Airways - these airlines can fly you to your destination from $726 and $728, respectively. These flights start at 18% lower than the current average price 3 months from now.

  • 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$656Average$753FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$670Average$797FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$702Average$941FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$766Average$931FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$821Average$1,009FlexibilityNo cancel feeOn-time75%

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