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Cheap flights from Islamabad to London from £270

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islamabad to London departing on 21/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
05:05 - 16:00
ISB
-
LHR
14h 55m
1 stop
Turkish Airlines Logo
18:30 - 07:45
LHR
-
ISB
33h 15m
1 stop
£513Turkish Airlines
Tue, 5 May - Tue, 26 May
Turkish Airlines Logo
09:15 - 09:50
ISB
-
LHR
28h 35m
1 stop
Turkish Airlines Logo
16:45 - 07:45
LHR
-
ISB
35h 00m
1 stop
£516Turkish Airlines
Thu, 7 May - Wed, 13 May
Turkish Airlines Logo
05:05 - 16:00
ISB
-
LHR
14h 55m
1 stop
Turkish Airlines Logo
13:20 - 03:35
LHR
-
ISB
34h 15m
1 stop
£516Turkish Airlines
Sat, 9 May - Sun, 10 May
Turkish Airlines Logo
05:05 - 16:00
ISB
-
LHR
14h 55m
1 stop
Turkish Airlines Logo
18:00 - 07:45
LHR
-
ISB
33h 45m
1 stop
£520Turkish Airlines
Tue, 5 May - Tue, 12 May
Turkish Airlines Logo
09:15 - 16:40
ISB
-
LHR
11h 25m
1 stop
Turkish Airlines Logo
11:20 - 03:35
LHR
-
ISB
36h 15m
1 stop
£521Turkish Airlines
Tue, 5 May - Tue, 12 May
Etihad Airways Logo
04:50 - 12:45
ISB
-
LHR
11h 55m
1 stop
Etihad Airways Logo
21:45 - 18:25
LHR
-
ISB
16h 40m
1 stop
£523Etihad Airways
Tue, 7 Apr - Tue, 14 Apr
Multiple Airlines Logo
15:30 - 15:20
ISB
-
LHR
27h 50m
1 stop
Multiple Airlines Logo
18:35 - 14:30
LHR
-
ISB
39h 55m
2 stops
£527Multiple Airlines
Tue, 12 May - Tue, 8 Sep
Turkish Airlines Logo
05:05 - 16:40
ISB
-
LHR
15h 35m
1 stop
Turkish Airlines Logo
13:25 - 03:35
LHR
-
ISB
34h 10m
1 stop
£528Turkish Airlines
Wed, 6 May - Mon, 18 May
Etihad Airways Logo
04:50 - 12:45
ISB
-
LHR
11h 55m
1 stop
Etihad Airways Logo
21:45 - 03:25
LHR
-
ISB
25h 40m
1 stop
£528Etihad Airways
Mon, 6 Apr - Mon, 13 Apr
Etihad Airways Logo
19:45 - 07:00
ISB
-
LHR
15h 15m
1 stop
Etihad Airways Logo
21:45 - 18:25
LHR
-
ISB
16h 40m
1 stop
£534Etihad Airways
Sun, 3 May - Sun, 10 May

Etihad Airways flights from Islamabad to London Heathrow Airport

Our best Etihad Airways deals on Islamabad to London Heathrow Airport flight tickets
Etihad Airways
7 Apr
ISB04:50Islamabad Intl
11h 55m
1 stop
LHR12:45London Heathrow
14 Apr
LHR21:45London Heathrow
16h 40m
1 stop
ISB18:25Islamabad Intl
£523
Etihad Airways
6 Apr
ISB04:50Islamabad Intl
11h 55m
1 stop
LHR12:45London Heathrow
13 Apr
LHR21:45London Heathrow
25h 40m
1 stop
ISB03:25Islamabad Intl
£528
Etihad Airways
3 May
ISB19:45Islamabad Intl
15h 15m
1 stop
LHR07:00London Heathrow
10 May
LHR21:45London Heathrow
16h 40m
1 stop
ISB18:25Islamabad Intl
£534

Turkish Airlines flights from Islamabad to London Heathrow Airport

Our best Turkish Airlines deals on Islamabad to London Heathrow Airport flight tickets
Turkish Airlines
5 May
ISB05:05Islamabad Intl
14h 55m
1 stop
LHR16:00London Heathrow
26 May
LHR18:30London Heathrow
33h 15m
1 stop
ISB07:45Islamabad Intl
£513
Turkish Airlines
7 May
ISB09:15Islamabad Intl
28h 35m
1 stop
LHR09:50London Heathrow
13 May
LHR16:45London Heathrow
35h 00m
1 stop
ISB07:45Islamabad Intl
£516
Turkish Airlines
9 May
ISB05:05Islamabad Intl
14h 55m
1 stop
LHR16:00London Heathrow
10 May
LHR13:20London Heathrow
34h 15m
1 stop
ISB03:35Islamabad Intl
£516

momondo Fare Finder

 
Customise your flight search to find flights from Islamabad to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 17 March 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 5/5

05:05-16:00

1 stop14h 55m

London Heathrow

Tue 26/5

18:30-07:45

1 stop33h 15m

£513

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 7/5

09:15-09:50

1 stop28h 35m

London Heathrow

Wed 13/5

16:45-07:45

1 stop35h 00m

£516

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sat 9/5

05:05-16:00

1 stop14h 55m

London Heathrow

Sun 10/5

13:20-03:35

1 stop34h 15m

£516

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 5/5

05:05-16:00

1 stop14h 55m

London Heathrow

Tue 12/5

18:00-07:45

1 stop33h 45m

£520

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 5/5

09:15-16:40

1 stop11h 25m

London Heathrow

Tue 12/5

11:20-03:35

1 stop36h 15m

£521
Fastest return journey

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 7/4

04:50-12:45

1 stop11h 55m

London Heathrow

Tue 14/4

21:45-18:25

1 stop16h 40m

£523

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 12/5

15:30-15:20

1 stop27h 50m

London Heathrow

Tue 8/9

18:35-14:30

2 stops39h 55m

£527

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 6/5

05:05-16:40

1 stop15h 35m

London Heathrow

Mon 18/5

13:25-03:35

1 stop34h 10m

£528

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 6/4

04:50-12:45

1 stop11h 55m

London Heathrow

Mon 13/4

21:45-03:25

1 stop25h 40m

£528

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sun 3/5

19:45-07:00

1 stop15h 15m

London Heathrow

Sun 10/5

21:45-18:25

1 stop16h 40m

£534

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Islamabad to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, October is the cheapest month to fly from Islamabad to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £602. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Islamabad averaging around £608.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Islamabad is on a Saturday. momondo users have found tickets for Saturday departures for as low as £391. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £661.

What is the cheapest Islamabad Intl to London Heathrow flight route?

Fly from Islamabad Intl to London Heathrow for the best Islamabad Intl - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Islamabad when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £684 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Islamabad for as low as £523 on momondo.

What cabin class options are available on Islamabad Intl to London Heathrow flights?

There are 2 cabin classes available to choose from on Islamabad Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Islamabad to London Heathrow Airport flight prices changed over time?

As of March 2026, prices for Islamabad to London Heathrow Airport flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Islamabad to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islamabad to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Islamabad to London Heathrow Airport (ISB to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islamabad to London Heathrow Airport

Best price found

£323

Fastest flight time

7h 50m

Direct flights

Mon, Thu and Sat
The best one-way flight to London Heathrow Airport from Islamabad in the past 72 hours is £323. The best return flight deal from Islamabad to London Heathrow Airport found on momondo in the last 72 hours is £411.
The fastest flight from Islamabad to London Heathrow Airport takes 7h 50m
Direct flights go from Islamabad to London Heathrow Airport on Monday, Thursday and Saturday. Airline offering direct flights is Pakistan International Airlines..
Search flight deals

  • How far is Islamabad Intl to London Heathrow by plane?

    A flight from Islamabad Intl to London Heathrow will travel around 3760.9 mi. A reasonable flight in good conditions will take 7h 50m.

  • When did momondo last update prices for flights from Islamabad Intl Airport to London Heathrow Airport?

    Prices for flights from Islamabad Intl Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Islamabad Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Islamabad Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islamabad Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Islamabad to London Heathrow Airport?

  • What is the most popular airline from Islamabad to London Heathrow Airport?

Best airlines flying from Islamabad to London Heathrow Airport

Compare and see reviews for airlines that fly from Islamabad to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Gulf AirPriceFrom £289Free CancellationRating
7.2
231 reviews
Search Gulf Air flights
SAUDIAPriceFrom £312Free CancellationRating
7.4
665 reviews
Search SAUDIA flights
Pakistan International AirlinesPriceFrom £368Free CancellationRating
6.4
51 reviews
Search Pakistan International Airlines flights
British AirwaysPriceFrom £439Free CancellationRating
6.7
7,797 reviews
Search British Airways flights
Kuwait AirwaysPriceFrom £449Free CancellationRating
7.1
342 reviews
Search Kuwait Airways flights
Etihad AirwaysPriceFrom £487Free CancellationRating
7.3
1,426 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £516Free CancellationRating
7.3
4,256 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom £520Free CancellationRating
7.4
3,736 reviews
Search Qatar Airways flights
EmiratesPriceFrom £619Free CancellationRating
8.1
3,543 reviews
Search Emirates flights

Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Islamabad to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Islamabad.

Can I find flights from Islamabad to London with flexible booking policies on momondo?

Flights from Islamabad to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islamabad to London?

Once you have performed a search for Islamabad to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islamabad to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islamabad to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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