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Cheap flights from Islamabad to London from $357

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 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Islamabad to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Kuwait Airways Logo
5:20 am - 1:45 pm
ISB
-
LHR
13h 25m
1 stop
Kuwait Airways Logo
11:45 am - 2:10 am
LHR
-
ISB
10h 25m
1 stop
$726Kuwait Airways
Fri, Mar 13 - Wed, Apr 8
Turkish Airlines Logo
10:20 am - 9:05 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
4:35 pm - 8:50 am
LHR
-
ISB
11h 15m
1 stop
$727Turkish Airlines
Fri, Feb 27 - Fri, Mar 6
Turkish Airlines Logo
10:20 am - 9:05 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
4:35 pm - 8:50 am
LHR
-
ISB
11h 15m
1 stop
$728Turkish Airlines
Wed, Feb 25 - Wed, Mar 4
Turkish Airlines Logo
9:15 am - 9:00 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
4:45 pm - 7:45 am
LHR
-
ISB
35h 00m
1 stop
$730Turkish Airlines
Tue, Jun 9 - Thu, Jun 18
Turkish Airlines Logo
10:20 am - 9:05 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
4:45 pm - 8:50 am
LHR
-
ISB
11h 05m
1 stop
$731Turkish Airlines
Mon, Mar 2 - Fri, Mar 6
Turkish Airlines Logo
10:20 am - 9:05 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
4:35 pm - 8:50 am
LHR
-
ISB
11h 15m
1 stop
$732Turkish Airlines
Thu, Feb 26 - Thu, Mar 5
Turkish Airlines Logo
4:50 am - 10:25 pm
ISB
-
LHR
21h 35m
1 stop
Turkish Airlines Logo
4:45 pm - 7:45 am
LHR
-
ISB
35h 00m
1 stop
$733Turkish Airlines
Mon, May 4 - Thu, Jun 18
Turkish Airlines Logo
10:20 am - 9:05 pm
ISB
-
LHR
15h 45m
1 stop
Turkish Airlines Logo
11:30 am - 4:45 am
LHR
-
ISB
12h 15m
1 stop
$744Turkish Airlines
Wed, Feb 25 - Thu, Mar 5
Etihad Airways Logo
4:30 am - 12:05 pm
ISB
-
LHR
12h 35m
1 stop
Etihad Airways Logo
9:30 am - 3:25 am
LHR
-
ISB
13h 55m
1 stop
$746Etihad Airways
Sat, Mar 14 - Sat, Apr 11
Etihad Airways Logo
4:30 am - 2:30 pm
ISB
-
LHR
15h 00m
1 stop
Etihad Airways Logo
2:45 pm - 6:25 pm
LHR
-
ISB
23h 40m
1 stop
$747Etihad Airways
Sun, Mar 15 - Thu, Apr 9

Turkish Airlines flights from Islamabad to London Heathrow Airport

Our best Turkish Airlines deals on Islamabad to London Heathrow Airport flight tickets
Turkish Airlines
Feb 27
ISB10:20 amIslamabad Intl
15h 45m
1 stop
LHR9:05 pmLondon Heathrow
Mar 6
LHR4:35 pmLondon Heathrow
11h 15m
1 stop
ISB8:50 amIslamabad Intl
$727
Turkish Airlines
Feb 25
ISB10:20 amIslamabad Intl
15h 45m
1 stop
LHR9:05 pmLondon Heathrow
Mar 4
LHR4:35 pmLondon Heathrow
11h 15m
1 stop
ISB8:50 amIslamabad Intl
$728
Turkish Airlines
Jun 9
ISB9:15 amIslamabad Intl
15h 45m
1 stop
LHR9:00 pmLondon Heathrow
Jun 18
LHR4:45 pmLondon Heathrow
35h 00m
1 stop
ISB7:45 amIslamabad Intl
$730

Qatar Airways flights from Islamabad to London Heathrow Airport

Our best Qatar Airways deals on Islamabad to London Heathrow Airport flight tickets
Qatar Airways
Jul 2
ISB9:25 amIslamabad Intl
16h 35m
1 stop
LHR10:00 pmLondon Heathrow
Jul 16
LHR6:55 pmLondon Heathrow
26h 55m
1 stop
ISB1:50 amIslamabad Intl
$791
Qatar Airways
Feb 25
ISB3:10 amIslamabad Intl
32h 25m
1 stop
LHR6:35 amLondon Heathrow
Mar 8
LHR6:55 pmLondon Heathrow
25h 45m
1 stop
ISB1:40 amIslamabad Intl
$796
Qatar Airways
Feb 25
ISB8:55 amIslamabad Intl
27h 25m
1 stop
LHR7:20 amLondon Heathrow
Mar 10
LHR6:55 pmLondon Heathrow
31h 30m
1 stop
ISB7:25 amIslamabad Intl
$800

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 29, 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

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Fri 3/13

5:20 am-1:45 pm

1 stop13h 25m

London Heathrow

Wed 4/8

11:45 am-2:10 am

1 stop10h 25m

$726

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Fri 2/27

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Fri 3/6

4:35 pm-8:50 am

1 stop11h 15m

$727

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 2/25

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Wed 3/4

4:35 pm-8:50 am

1 stop11h 15m

$728

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Tue 6/9

9:15 am-9:00 pm

1 stop15h 45m

London Heathrow

Thu 6/18

4:45 pm-7:45 am

1 stop35h 00m

$730

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 3/2

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Fri 3/6

4:45 pm-8:50 am

1 stop11h 05m

$731

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Thu 2/26

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Thu 3/5

4:35 pm-8:50 am

1 stop11h 15m

$732

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Mon 5/4

4:50 am-10:25 pm

1 stop21h 35m

London Heathrow

Thu 6/18

4:45 pm-7:45 am

1 stop35h 00m

$733

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Wed 2/25

10:20 am-9:05 pm

1 stop15h 45m

London Heathrow

Thu 3/5

11:30 am-4:45 am

1 stop12h 15m

$744

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sat 3/14

4:30 am-12:05 pm

1 stop12h 35m

London Heathrow

Sat 4/11

9:30 am-3:25 am

1 stop13h 55m

$746

IslamabadLondon

ISB - LHR

ISBLHR

Islamabad Intl

Sun 3/15

4:30 am-2:30 pm

1 stop15h 00m

London Heathrow

Thu 4/9

2:45 pm-6:25 pm

1 stop23h 40m

$747

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between Islamabad and London Heathrow Airport?

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

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Islamabad, with most prices found around $800. If you’re not able to fly to London Heathrow Airport in October, then March is your next best option. Flight prices from Islamabad to London Heathrow Airport during March average around $808.

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 $905 when searching weeks out. 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 $709 on momondo.

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

There is only 1 cabin class 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 January 2026, prices for Islamabad to London Heathrow Airport flights are approximately 7% 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 round-trip 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

Fastest flight time

25h 20m

Direct flights

Mon, Thu and Sat
The fastest flight from Islamabad to London Heathrow Airport takes 25h 20m
Direct flights go from Islamabad to London Heathrow Airport on Monday, Thursday and Saturday. The only airline offering direct flights is Pakistan International Airlines.
Search flight deals

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

    Islamabad Intl and London Heathrow are 3760.9 mi apart from one another. By plane, this route typically takes 25h 20m.

  • 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 were last updated today.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
SAUDIAPriceFrom $594Free CancellationRating
7.4
657 reviews
Search SAUDIA flights
Etihad AirwaysPriceFrom $646Free CancellationRating
7.3
1,375 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $653Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $676Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $776Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
EmiratesPriceFrom $851Free CancellationRating
8.1
3,490 reviews
Search Emirates flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islamabad to London. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Islamabad to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from Islamabad. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Islamabad to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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