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Cheap flights from Islamabad to London Heathrow Airport from C$ 532

ISB — LHR
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Islamabad to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Islamabad to Heathrow

Sun 11/1011:45 p.m. -
2 stops19h 20m
Mon 16/119:30 a.m. -
1 stop12h 50m
Deal found 28/9C$ 1,121
Fri 9/103:30 p.m. -
1 stop27h 50m
Thu 5/119:30 a.m. -
1 stop23h 50m
Deal found 26/9C$ 1,200
Mon 19/103:30 p.m. -
1 stop19h 25m
Sun 22/119:30 a.m. -
1 stop23h 50m
Deal found 26/9C$ 1,202
Mon 19/103:30 p.m. -
1 stop27h 50m
Mon 2/119:40 p.m. -
1 stop11h 40m
Deal found 27/9C$ 1,203
Sat 3/103:30 p.m. -
1 stop19h 25m
Sun 25/109:30 a.m. -
1 stop23h 50m
Deal found 25/9C$ 1,204
Sat 10/103:30 p.m. -
1 stop19h 25m
Mon 2/119:40 p.m. -
1 stop11h 40m
Deal found 26/9C$ 1,207
Sat 17/103:30 p.m. -
1 stop27h 50m
Fri 20/119:30 a.m. -
1 stop23h 50m
Deal found 26/9C$ 1,209
Sat 17/103:30 p.m. -
1 stop27h 50m
Wed 21/1010:00 a.m. -
1 stop24h 30m
Deal found 28/9C$ 1,210
Thu 22/103:30 a.m. -
1 stop19h 40m
Sun 1/118:25 a.m. -
1 stop14h 15m
Deal found 26/9C$ 1,213
Sat 3/103:30 a.m. -
1 stop31h 00m
Mon 12/108:50 p.m. -
1 stop25h 55m
Deal found 26/9C$ 1,214
Mon 19/103:50 a.m. -
1 stop19h 20m
Fri 30/108:25 a.m. -
1 stop14h 15m
Deal found 29/9C$ 1,216
Sun 11/104:50 a.m. -
1 stop11h 55m
Tue 8/128:55 p.m. -
1 stop16h 15m
Deal found 25/9C$ 1,219

Find flight deals from Islamabad to Heathrow

Round-trip from

C$ 1,121

One-way from

C$ 532

Popular in

November

Cheapest in

March

Average price

C$ 1,331
Riyadh Air
  • Riyadh Air
  • 11/10-16/11
  • 3 total stops
  • 32h 10m total
  • Islamabad to London
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9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 24h 20m total
  • Islamabad to London
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 31 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 round-trip

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Wed 9/12

2:40 a.m.-10:00 p.m.

3 stops24h 20m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 532

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Mon 26/10

4:25 a.m.-6:25 p.m.

1 stop19h 00m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 610

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Sat 10/10

3:30 a.m.-7:10 p.m.

1 stop19h 40m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 610

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Mon 12/10

3:50 a.m.-7:10 p.m.

1 stop19h 20m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 610

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Sun 11/10

3:30 a.m.-7:10 p.m.

1 stop19h 40m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 611

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Mon 5/10

3:50 a.m.-7:10 p.m.

1 stop19h 20m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 611

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Sun 6/12

12:45 a.m.-2:15 p.m.

1 stop18h 30m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 620

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Fri 23/10

3:30 a.m.-6:55 a.m.

1 stop31h 25m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 626

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Thu 19/11

4:25 a.m.-6:25 p.m.

1 stop19h 00m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 628
Quickest round-trip

IslamabadLondon

ISB Islamabad Intl - LHR London Heathrow

ISBLHR

Islamabad Intl

Mon 7/12

4:35 a.m.-2:30 p.m.

1 stop14h 55m

London Heathrow

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 651

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/9

Showing 1-10 of 20 resultsSorted by cheapest first
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

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?

The price you pay for your flight from Islamabad to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Islamabad to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of C$ 1,142). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of C$ 1,548). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islamabad to London Heathrow Airport as you normally would.

How much does it cost to fly round-trip from Islamabad to London Heathrow Airport?

Airfare is typical for this route at the moment.

Islamabad to London Heathrow Airport flights typically cost between C$ 1,054 and C$ 1,305 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,121 on Multiple Airlines (11 Oct-16 Nov).

Related info for your journey

  • What airport do you fly from for flights from Islamabad to London Heathrow?

    Most people fly from Islamabad Intl (ISB) if they book a flight from Islamabad to London Heathrow. On average, Islamabad Intl has 0 outbound flights to London Heathrow per day from 0 airlines. Islamabad Intl is conveniently located just 31.8 km from Islamabad’s city centre.

  • How long is the flight from Islamabad to London Heathrow Airport?

    A quick flight from Islamabad to London Heathrow Airport can take about 11h 55m. Oman Air provides one of the quickest options available for as low as C$ 1,219. Airlines will cover a distance of 6048 km. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of C$ 1,142). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of C$ 1,548). 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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Leamington Spa
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Stratford-upon-Avon
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Certainly. Search results for flights to Heathrow from Islamabad shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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