
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $700 (FlightHub) |
One-way from | $398 (Trip.com) |
Popular in | July |
Cheapest in | September |
Average price | $791 |
Good round-trip deal | $940 or less |
Good one-way deal | $601 or less |
Fly from
Fly to
Route
Depart
Return
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Sun 6/28
8:05 am-7:40 am
1 stop19h 35m
Islamabad Intl
Fri 7/10
9:25 am-8:00 am
1 stop26h 35m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Wed 9/30
9:30 am-6:25 pm
1 stop28h 55m
Islamabad Intl
Fri 10/23
4:50 am-12:45 pm
1 stop11h 55m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Mon 6/29
2:45 pm-3:25 am
1 stop32h 40m
Islamabad Intl
Thu 7/30
7:45 pm-6:45 pm
1 stop27h 00m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Wed 7/1
8:25 am-1:50 am
1 stop13h 25m
Islamabad Intl
Tue 7/7
9:25 am-8:00 am
1 stop26h 35m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Mon 6/29
2:45 pm-3:25 am
1 stop32h 40m
Islamabad Intl
Sat 8/8
7:45 pm-6:45 pm
1 stop27h 00m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Sun 10/11
10:00 am-2:30 pm
1 stop24h 30m
Islamabad Intl
Thu 10/29
3:10 pm-2:45 pm
1 stop28h 35m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Thu 7/9
10:15 pm-7:30 am
1 stop29h 15m
Islamabad Intl
Mon 8/3
3:05 am-4:10 pm
1 stop17h 05m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Mon 11/2
10:40 pm-4:45 am
1 stop49h 05m
Islamabad Intl
Mon 11/23
3:10 pm-4:20 pm
2 stops30h 10m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Fri 9/18
12:00 pm-7:40 am
2 stops15h 40m
Islamabad Intl
Wed 10/7
9:25 am-6:00 pm
1 stop12h 35m
LondonIslamabad
LHR - ISB
LHRISB
London Heathrow
Wed 8/5
7:50 pm-7:30 am
1 stop31h 40m
Islamabad Intl
Wed 9/2
3:05 am-8:15 pm
1 stop21h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from London Heathrow Airport to Islamabad is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Islamabad (average of $711). Flying from London Heathrow Airport to Islamabad in July is currently the most expensive (average of $1,053). 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 London Heathrow Airport to Islamabad, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 35% of weekly flights between London and Islamabad have experienced delays in the past year, with the average delay time being 120 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Friday tends to have the lowest number of delays on this route, whereas Wednesday 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 35% of flights being delayed.
Doha (DOH) – chosen by Cheapflights users on 29% of 1-stop itineraries from London Heathrow Airport to Islamabad on Cheapflights.
Jeddah (JED) is the most affordable 1-stop option, with an average round-trip price of $785.
Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 12h 09m.
Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 2h 05m.
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
Crew
Comfort
Entertainment
Boarding
Overall
Food
Reviews
Joel,Nov 2025
IST - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$552 | Average$700 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$556 | Average$984 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$625 | Average$735 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$626 | Average$930 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$676 | Average$760 | FlexibilityNo cancel fee | On-time64% | |
| Cheapest$713 | Average$857 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$720 | Average$842 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$733 | Average$930 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$915 | Average$1,162 | FlexibilityNo cancel fee | On-time75% |