Cheap flights from London Heathrow Airport to Islamabad from $373

In general, September is the cheapest month to fly from London Heathrow Airport to Islamabad. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $750. If you aren’t able to travel during the month of September, then book flights to Islamabad from London Heathrow Airport during November instead. Flights to Islamabad in November, while not as cheap as those in September, still average around $777.

The cheapest day to depart on your flight to Islamabad is on a Tuesday when prices can be found for as low as $899. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Islamabad for around $1,086.

Flying to Islamabad from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $993 when looking at flights departing in the morning. Flights to Islamabad are more costly in the afternoon, with an average ticket price of $1,020. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Islamabad from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Islamabad for around $862 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Islamabad from London Heathrow Airport for as low as $795 on momondo.

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

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Islamabad.

As of October 2026, prices for London Heathrow Airport to Islamabad flights are approximately 8% cheaper when compared to flights at the same time last year.

Gulf Air and Etihad Airways are the most popular carriers operating from London Heathrow to Islamabad Intl

Etihad Airways, Qatar Airways and SAUDIA are the top three most popular airlines that fly to Islamabad from London Heathrow Airport according to our data. Etihad Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Islamabad. Keep in mind that there are 9 different airlines that fly to Islamabad on a routine basis, so you have a few additional options to choose from.

Historically, on average around 39% of flights between London and Islamabad have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Pakistan International Airlines have had the least number of delays on this route over the last 12 months; with about 39% of their flights experiencing any sort of delay.

Abu Dhabi (AUH) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Flights via Kuwait City (KWI) offer the lowest average round-trip price of $719.

Flights connecting via Kuwait City (KWI) have the shortest average one-way travel time: 11h 50m.

Dubai (DXB) has the shortest average layover time for this route: 2h 03m.