Can I get a flight from London Heathrow Airport to Islamabad on Pakistan International Airlines for under £739?

Pakistan International Airlines offers 6 flights from London Heathrow Airport to Islamabad for under £739. Prices vary by date and time. To see all prices and select your dates, click here.

How far ahead should I book a flight from London Heathrow Airport to Islamabad with Pakistan International Airlines?

Booking with Pakistan International Airlines 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Islamabad. 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 London Heathrow Airport to Islamabad with Pakistan International Airlines?

Currently, the most affordable month to book a Pakistan International Airlines flight from London Heathrow Airport to Islamabad in June, with an average price of £674. Conversely, traveling with Pakistan International Airlines from London Heathrow Airport to Islamabad in December will be the most expensive, with an average cost of £900. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Islamabad ranges from 10.0 - 250.0 inches per month. July is typically the wettest month, when rainfall can reach 250.0 mm. November is typically the driest time to visit Islamabad when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Islamabad, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

£405+ Pakistan International Airlines Flights from Heathrow to Islamabad

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Cheapest Pakistan International Airlines flights from Heathrow to Islamabad
Explore the most affordable Pakistan International Airlines flight options available from Heathrow to Islamabad. Find the lowest fares with prices last updated on 31 August 2026.

Fri 18/919:05 -

Nonstop7h 40m

Sun 18/1012:15 -

Nonstop8h 40m

Deal found 31/8£608

Fri 18/919:05 -

Nonstop7h 40m

Wed 23/911:15 -

Nonstop8h 40m

Deal found 31/8£610

Mon 7/919:05 -

Nonstop7h 40m

Fri 18/911:35 -

Nonstop8h 40m

Deal found 29/8£611

Can I get a flight from London Heathrow Airport to Islamabad on Pakistan International Airlines for under £739?
Pakistan International Airlines offers 6 flights from London Heathrow Airport to Islamabad for under £739. Prices vary by date and time. To see all prices and select your dates, click here.

Pakistan International Airlines flights from Heathrow to Islamabad in 2026

One-way from	£405
Return from	£553
Popular in	July
Cheapest in	September
Average price (all airlines)	£719

Pakistan International Airlines
11/9
Nonstop
7h 40m total
London to Islamabad

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Pakistan International Airlines
11/1-9/2
Nonstop
16h 35m total
London to Islamabad

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Highest demand for flights from London Heathrow to Islamabad Intl; 10% potential price increase.

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Best time to find cheap flights from London Heathrow to Islamabad Intl; 2% potential price drop.

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Average price for all London Heathrow to Islamabad Intl flights (one-way and round-trip).

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Prices

The best time to book a flight to Islamabad with Pakistan International Airlines is 80 days before departure. On average, fares are higher if you book on the same day as departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Islamabad?

For Economy class flights, the cheapest month to fly this route is June. The most expensive months are December and July.

Best time to book a flight from Heathrow to Islamabad

Have a flexible travel schedule? Discover the best time to fly to Islamabad from Heathrow with our price prediction graph.

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Pakistan International Airlines flights from London Heathrow Airport to Islamabad (LHR - ISB)

Find Pakistan International Airlines flight deals from Heathrow to Islamabad

Cheapest Pakistan International Airlines flights from Heathrow to IslamabadExplore the most affordable Pakistan International Airlines flight options available from Heathrow to Islamabad. Find the lowest fares with prices last updated on 31 August 2026.

Explore the most affordable Pakistan International Airlines flight options available from Heathrow to Islamabad. Find the lowest fares with prices last updated on 31 August 2026.

Discover carefully curated Pakistan International Airlines flight deals from Heathrow to Islamabad that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct Pakistan International Airlines flights from Heathrow to IslamabadExplore direct Pakistan International Airlines flight options from Heathrow to Islamabad based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Explore direct Pakistan International Airlines flight options from Heathrow to Islamabad based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute Pakistan International Airlines flights from Heathrow to IslamabadDiscover last-minute Pakistan International Airlines flight deals from Heathrow to Islamabad. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute Pakistan International Airlines flight deals from Heathrow to Islamabad. Data last updated 31 August 2026 and is based on user searches.

One-way Pakistan International Airlines flights to IslamabadSearch for one-way Pakistan International Airlines flight options to Islamabad. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way Pakistan International Airlines flight options to Islamabad. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Can I get a flight from London Heathrow Airport to Islamabad on Pakistan International Airlines for under £739?

Pakistan International Airlines flights from Heathrow to Islamabad in 2026

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When is the best time to book a flight to Islamabad with Pakistan International Airlines?

The best time to book a flight to Islamabad with Pakistan International Airlines is 80 days before departure. On average, fares are higher if you book on the same day as departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Islamabad?

For Economy class flights, the cheapest month to fly this route is June. The most expensive months are December and July.

Rainfall in Islamabad by month

In terms of precipitation, rainfall in Islamabad ranges from 10.0 - 250.0 inches per month. July is typically the wettest month, when rainfall can reach 250.0 mm. November is typically the driest time to visit Islamabad when rainfall is around 10.0 mm.

Temperature in Islamabad by month

Best time to book a flight from Heathrow to Islamabad

Have a flexible travel schedule? Discover the best time to fly to Islamabad from Heathrow with our price prediction graph.

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Fly from Heathrow to Islamabad on another airline

Consider alternative airlines that service the Islamabad area. Flight routes are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Other Pakistan International Airlines flights from Heathrow

Browse through other Pakistan International Airlines flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Complete your trip

Complete your trip to Islamabad by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Islamabad

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Other popular destinations in Asia

If Islamabad is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Popular flights with Pakistan International Airlines

Browse through some of the most popular routes that Pakistan International Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 31 August 2026.

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Cheapest Pakistan International Airlines flights from Heathrow to Islamabad
Explore the most affordable Pakistan International Airlines flight options available from Heathrow to Islamabad. Find the lowest fares with prices last updated on 31 August 2026.

Direct Pakistan International Airlines flights from Heathrow to Islamabad
Explore direct Pakistan International Airlines flight options from Heathrow to Islamabad based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute Pakistan International Airlines flights from Heathrow to Islamabad
Discover last-minute Pakistan International Airlines flight deals from Heathrow to Islamabad. Data last updated 31 August 2026 and is based on user searches.

One-way Pakistan International Airlines flights to Islamabad
Search for one-way Pakistan International Airlines flight options to Islamabad. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.