Cheap flights from Islamabad to London from $387

The cheapest month to fly to London from Islamabad is in October. Flight prices, which tend to average around $283, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Islamabad averaging around $325.

The cheapest day to depart from Islamabad to London is on a Sunday. Travelers who choose to depart for London on a Sunday will often find tickets for as low as $780. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,220. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Islamabad in the evening is the least expensive time of day to depart. momondo users have found prices as low as $987 when looking at flights departing in the evening. Flights to London are more costly in the morning, with an average ticket price of $1,152. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Islamabad when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $896 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Islamabad for as low as $672 on momondo.

You could potentially save up to 25% on your flight if you consider stops on a Islamabad to London flight.

As of May 2026, prices for Islamabad to London flights are approximately 4% cheaper when compared to flights at the same time last year.

Qatar Airways, SAUDIA, and Gulf Air are the most popular carriers operating from Islamabad Intl to London

Qatar Airways, Etihad Airways and Turkish Airlines are the top three most popular airlines that fly to London from Islamabad according to our data. Qatar Airways is the first choice among our users, with 31% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Islamabad and London have experienced a delay on any given week. The average delay length over the past 12 months has been 143 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.

Dubai (DXB) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Flights via Istanbul (IST) offer the lowest average round-trip price of $630.

Flights connecting via Istanbul (IST) have the shortest average one-way travel time: 11h 35m.

Istanbul (IST) has the shortest average layover time for this route: 1h 38m.