
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $780 (Kiwi.com) |
One-way from | $377 (FlightHub) |
Popular in | November |
Cheapest in | October |
Average price | $838 |
Good round-trip deal | $1,351 or less |
Good one-way deal | $566 or less |
Fly from
Fly to
Route
Depart
Return
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Sat 7/4
7:45 pm-7:00 am
1 stop15h 15m
London Heathrow
Wed 9/9
9:30 am-6:25 pm
1 stop28h 55m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Fri 7/17
9:15 am-11:40 am
1 stop30h 25m
London Heathrow
Tue 8/4
6:30 am-7:45 am
1 stop45h 15m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Sun 6/28
7:45 pm-7:00 am
1 stop15h 15m
London Heathrow
Wed 9/9
9:30 am-6:25 pm
1 stop28h 55m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Tue 9/15
5:05 am-3:10 pm
1 stop14h 05m
London Heathrow
Tue 9/15
10:40 pm-3:35 am
1 stop48h 55m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Fri 11/6
10:20 am-10:25 pm
1 stop41h 05m
London Heathrow
Sun 11/8
4:35 pm-8:50 am
1 stop11h 15m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Fri 6/19
3:30 pm-3:20 pm
1 stop27h 50m
London Heathrow
Thu 7/9
10:05 pm-2:30 pm
1 stop12h 25m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Thu 5/28
3:30 pm-6:55 am
1 stop19h 25m
London Heathrow
Wed 8/26
10:05 pm-2:30 pm
1 stop12h 25m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Thu 5/28
3:30 pm-6:55 am
1 stop19h 25m
London Heathrow
Sun 8/23
10:05 pm-2:30 pm
1 stop12h 25m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Mon 7/6
9:15 am-4:40 pm
1 stop11h 25m
London Heathrow
Tue 1/5
11:30 am-4:45 am
1 stop36h 15m
IslamabadLondon
ISB - LHR
ISBLHR
Islamabad Intl
Sat 8/1
9:15 am-9:10 pm
1 stop15h 55m
London Heathrow
Fri 8/14
6:30 am-3:35 am
1 stop41h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Islamabad to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Islamabad to London Heathrow Airport (average of $803). Flying from Islamabad to London Heathrow Airport in November is currently the most expensive (average of $1,089). 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.
When flying from Islamabad to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 11% of weekly flights between Islamabad and London have experienced delays in the past year, with the average delay time being 71 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Pakistan International Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Istanbul (IST) – chosen by Cheapflights users on 44% of 1-stop itineraries from Islamabad to London Heathrow Airport on Cheapflights.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $756.
Flights via Istanbul (IST) have the shortest average one-way travel time for 1-stop routes: 12h 51m.
Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 2h 50m.
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Dec 2025
ATH - EWR
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Dec 2025
ATH - EWR
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Dec 2025
ATH - EWR
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Dec 2025
ATH - EWR
Boarding
Food
Crew
Overall
Comfort
Entertainment
Reviews
Anonymous,Dec 2025
ATH - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$800 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$665 | Average$823 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$749 | Average$1,042 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$851 | Average$965 | FlexibilityNo cancel fee | On-time75% |