ISB - LHR

$359 Find Cheap Flights from Islamabad to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islamabad to Heathrow departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islamabad to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islamabad to London.
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Everything you should know

Cheapest round-trip
$734
Overall average: $919
Multiple Airlines
Fri 1/23Wed 2/18
ISB - LHR • 1 stop
Cheapest non-stop
$894
Pakistan International Airlines
Wed 4/1Wed 4/22
ISB - LHR • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Upgrade to premium economy on British Airways for extra space.
American Airlines offers extensive inflight entertainment.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Heathrow
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Top airlines
Qatar Airways
Cheapest • from $761 (round-trip)
Emirates
Best reviews • 8.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 12% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
1 day a week
There are direct flights from Islamabad to Heathrow 1 day a week: Sun.
Direct flights
Direct flights
Direct flights
Direct flights
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We hope you love your trip to Heathrow!
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Flight Deals

Cheap Flights from Islamabad to Heathrow (ISB-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islamabad to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islamabad to Heathrow

Fri, Jan 23 - Wed, Feb 18
Multiple Airlines Logo
8:55 am - 10:40 pm
ISB
-
LHR
18h 45m1 stop
Multiple Airlines Logo
10:15 pm - 6:10 pm
LHR
-
ISB
14h 55m2 stops
$734Multiple Airlines
Wed, Jan 21 - Thu, Feb 19
Qatar Airways Logo
8:55 am - 10:40 pm
ISB
-
LHR
18h 45m1 stop
Qatar Airways Logo
8:30 am - 1:40 am
LHR
-
ISB
12h 10m1 stop
$737Qatar Airways
Fri, Jan 30 - Sat, Feb 7
Etihad Airways Logo
4:30 am - 6:40 am
ISB
-
LHR
31h 10m1 stop
Etihad Airways Logo
8:50 am - 3:10 am
LHR
-
ISB
13h 20m1 stop
$738Etihad Airways
Thu, Jan 22 - Fri, Feb 6
Multiple Airlines Logo
8:55 am - 10:40 pm
ISB
-
LHR
18h 45m1 stop
Multiple Airlines Logo
10:00 am - 8:10 am
LHR
-
ISB
17h 10m1 stop
$746Multiple Airlines
Mon, Jan 26 - Sun, Feb 8
Multiple Airlines Logo
8:55 am - 10:40 pm
ISB
-
LHR
18h 45m1 stop
Multiple Airlines Logo
10:00 am - 8:10 am
LHR
-
ISB
17h 10m1 stop
$748Multiple Airlines
Wed, Jun 10 - Thu, Jul 30
Qatar Airways Logo
3:30 am - 10:10 pm
ISB
-
LHR
22h 40m1 stop
Qatar Airways Logo
1:40 pm - 7:40 am
LHR
-
ISB
14h 00m1 stop
$752Qatar Airways
Wed, Feb 11 - Fri, Feb 27
Multiple Airlines Logo
3:10 am - 1:20 pm
ISB
-
LHR
15h 10m1 stop
Multiple Airlines Logo
10:15 pm - 6:10 pm
LHR
-
ISB
14h 55m2 stops
$754Multiple Airlines
Wed, Jun 10 - Thu, Jul 30
Qatar Airways Logo
3:30 am - 10:00 pm
ISB
-
LHR
22h 30m1 stop
Qatar Airways Logo
6:55 pm - 1:50 am
LHR
-
ISB
26h 55m1 stop
$755Qatar Airways
Thu, Jan 29 - Thu, Mar 12
Multiple Airlines Logo
8:55 am - 9:55 pm
ISB
-
LHR
18h 00m1 stop
Multiple Airlines Logo
10:05 pm - 12:20 am
LHR
-
ISB
21h 15m1 stop
$758Multiple Airlines
Thu, Mar 19 - Sat, Apr 4
Qatar Airways Logo
8:55 am - 9:55 pm
ISB
-
LHR
18h 00m1 stop
Qatar Airways Logo
9:30 am - 1:50 am
LHR
-
ISB
12h 20m1 stop
$760Qatar Airways
Booking Insights

KAYAK's insights & trends for Islamabad to Heathrow flights

Get data-powered insights and trends into flights from Islamabad to Heathrow to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to London Heathrow Airport
Find cheap flights to London Heathrow Airport

Planning a trip from Islamabad to Heathrow? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What is the cheapest month to fly from Islamabad to London Heathrow Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Islamabad to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Islamabad to London Heathrow Airport is October, where tickets cost $800 (return) on average. On the other hand, the most expensive months are November and April, where the average cost of round-trip tickets is $1,089 and $1,068 respectively.

How far in advance should I book a flight from Islamabad to London Heathrow Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Islamabad to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Islamabad to London Heathrow Airport, you should book around 6 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from Islamabad to Heathrow

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
American Airlines

American Airlines' Premium Economy includes upgraded seats, meals, and amenity kits on long flights.


Enjoy extensive inflight entertainment with American Airlines' app, including AppleTV+ and kids' channels.

British Airways

Upgrade to premium economy for more space, peace, and seven extra inches of legroom.


BA's premium economy offers leg and footrests, enhancing comfort on long flights.

Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

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Good to know

Low seasonNovember
Cheapest flight$359
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Islamabad to London Heathrow Airport

When to book flights from Islamabad to Heathrow

Are your dates flexible? Find out the best times to travel from Islamabad to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Islamabad to London Heathrow Airport flights

  • Is there a transit hotel at Heathrow Airport?

    Aerotel London is a transit hotel located in Terminal 3, Arrival Hall. It is within walking distance from Heathrow Express and Terminal 2. It is easier to travel between Aerotel London and all terminals at Heathrow. Also, staying at Aerotel London speeds up your departure as the transit hotel is just a few steps from the Terminal 3 check-in desk.

  • Is there public transportation available from Rawalpindi to Islamabad International Airport?

    Islamabad ISB Airport Shuttle buses are the cheapest transfer option from Rawalpindi city centre to Islamabad Airport. Taxis are also available at various locations across Rawalpindi city, and they are the most convenient and hassle-free transfer option to Islamabad International Airport. Metro Cab service also has its counter at Islamabad Airport, and passengers can take a taxi from the city centre to Daewoo bus terminal via G.T. road. A ride from Rawalpindi to the bus terminal can take around 25min. The average price for a taxi Rawalpindi city to Islamabad Airport is around Rs400 (£1.87), but it may vary depending on the distance covered and traffic intensity.

  • Is there a baggage service at London Heathrow Airport?

    There is a baggage storage service on the ground floor of Terminals 2, 3, 4, 5. Passengers can store their luggage for a few hours, days, or up to 90 days, but the storage fee may vary depending on the storage duration. It costs around £8.50 to store a standard item up to 24h. However, there are no self-service lockers at London Heathrow.

  • Which Facilities and Services are available at Islamabad Airport?

    Over six local banks have branches inside Islamabad Airport’s Banking Square. There are also plenty of cash machines and ATMs at the airport, but fees may apply, so confirm your withdrawal limit and your bank’s fee schedule before initiating a withdrawal. An Airside shopping mall offering duty-free shopping is also available at Islamabad Airport. Head to State Bank of Pakistan or National Bank of Pakistan for currency exchange services.

  • What is the cheapest flight from Islamabad to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Islamabad to London Heathrow Airport was $359 for a one-way ticket and $734 for a round-trip.

  • Do I need a passport to fly between Islamabad and London Heathrow Airport?

    A passport is required to fly from Islamabad to London Heathrow Airport.

  • Which aircraft models fly most regularly from Islamabad to London Heathrow Airport?

    The Boeing 777 is the aircraft model that flies most regularly on the Islamabad to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Islamabad to London Heathrow Airport?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Islamabad and London Heathrow Airport, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Islamabad to London, Emirates or Qatar Airways?

    The two airlines most popular with KAYAK users for flights from Islamabad to London are Emirates and Qatar Airways. With an average price for the route of $1,049 and an overall rating of 8.1, Emirates is the most popular choice. Qatar Airways is also a great choice for the route, with an average price of $1,021 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Islamabad to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islamabad to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islamabad to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Islamabad is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islamabad to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Islamabad with another airline. Booking your flights between Islamabad and LHR can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islamabad to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Islamabad up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Islamabad to London Heathrow Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $492 or less one-way.
  • The car park at Islamabad International Airport (ISB) can accommodate up to 2200 vehicles at once. Motorcycles are charged around Rs15 (£0.070) per entry, while commercial and private vehicles, including SUVs, minivans, and cars, cost around Rs90 (£0.42) per entry.
  • Uber users at London Heathrow (LHR) are picked up at the Short Stay Car Park 1. There is also a designated pick-up and drop-off area at Short Stay Car Park 2 and Short Stay Car Park 3.
  • London Heathrow Airport has a viewing area inside Terminal 4. However, this area can only be accessed by passengers who have passed through the security check.
  • Passenger facilitation services are available at Islamabad International Airport. The service is tasked with facilitating and comforting passengers. Agents will assist you in getting your luggage to wherever you want using the shortest route.
  • Keep yourself relaxed as you wait for your next flight in Islamabad Airport by visiting the CIP Lounge. It is a 24/7 lounge open to all passengers, no matter their flight class or airline. You must pay at the door to gain entry into this lounge.

Prefer to fly direct from Islamabad to London Heathrow Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Islamabad Intl to London Heathrow.
Find which airlines fly direct from Islamabad Intl Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Islamabad Intl to London Heathrow

Sunday

Pakistan International Airlines

Pakistan International Airlines

See more direct flights

Direct returns

London Heathrow to Islamabad Intl

Monday

Pakistan International Airlines

Pakistan International Airlines

See more direct flights

Reviews of the top 5 airlines serving from Islamabad to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Islamabad to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Islamabad to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
EmiratesOverall score based on 3464 reviews
8.2Entertainment
7.9Food
8.1Boarding
8.3Crew
8.0Comfort
Airline reviews

Child’s meal was great along with other nice touches for kids.

10.0 ExcellentJessica, Dec 2025
KUL - DXB
Read more Emirates reviews

Child’s meal was great along with other nice touches for kids.

The plane was old so the entertainment system was difficult to operate. The crew did advise earlier. The plane was landed and parked away from the gates, which added 20+ mins to the overall arrival

Could not board flight due to visa issue and emirates staff at the airport refused to help rebook flight because it was made by another provider. It took hours of communicating with my provider and Emirates staff each of whom said it was the others responsibility. As the time passed, I was eventually told it was too late for rebooking as I needed to do this at least three hours before the flight. Emirates staff also said the would unboard me but I believe I was recorded as a no show. Our first flight from Sydney to Dubai was more cramped than other airlines which was surprising considering their reputation.

Crew were excellent and the bar service and chat fantastic. Cheese board delicious. Amenity kit good, very disappointing not getting pyjamas on this leg of the flight and needed to reuse from earlier flight.

Three meals on a single flight is disgusting. Even if I reject them all, sleeping is impossible and all that food (especially wasted food) is just antithetical to a pleasant flight experience. People were chucking multiple abandoned trays on the floor in front of my seat.

Hospitality is good. Should improve on buggage handling because l lost a suitcase. Layover in Dubai was too long , 6 hours

Emirates need to improve the boarding process. There is no point calling for all First and Business Class passengers plus Platinum, Gold and Silver Skywards members at one time. Further to this, try channeling all these people into one entry point with no defined lines. It was chaos. The is a common issue on the Dubai to Riyadh flight. Poor effort Emirates.

I lost my lock from my luggage, I don’t know someone took something from my bag.

The flight from Beijing to Dubai was good. The flight from Dubai to Barcelona was excellent because of the staff on board.

The queue for checking for economy passengers was enormous! Only one desk open for economy faith s queue a mile long, whilst business and first class desks empty and unemployed. Will seriously consider changing to another next trip. Disappointed customer.

You are the best, keep up the good work. Thank you for allowing me and my family to fly with comfort.i am waiting for upgrade some day. Thanks again

Qatar maybe considered one of the best ailines in the world but nowadays it is much of a muchness with the rest

Crew and food was good, ok leg room if you don’t have a big box under the seat. And the seats are so narrow (I’m only 70kg), will consider an alternate airline next time

Paid $10 for wifi for full flight duration and the wifi wasn’t available after initial 2 hours

Seated in row 6 you are separated from business class close to the toilets. The is a high panel in front that obscures forward viewing, coupled with no window view. Service is limited as the area is not in view of the attendants. It is closer in proximity to economy than business class.

Boarding from DOH to SYD the Business Class were pointed in a separate gate but no one there to receive us. Otherwise it was ok.

Good. It would be great if comfort seats were available

My flight was with American Airlines 120. The flight was delayed 3 hours and I missed my connection. When I arrived in Doha, the AA staff told me to call an 800 number to rebook a different flight, which was unacceptable. Eventually a Qatar Air staff member helped rebook me on a flight to Manila, that was 12 hours later. They offered me a hotel and meal voucher which I declined, because I didn’t want to leave the airport. Long story short, I spent 12 hours in the Doha airport waiting for my next flight.

Overall the experience was neat with crew being nice and caring especially to parent with kids. The free snacks option was okay. The kiosk at Philly airport didn’t work.

It was excellent in all respects. I don’t think it needs any improvement

The flight was over 1 hour late taking off ,when I arrived in Abu Dhabi ,I missed my connecting flight to Bangkok so I had to wait almost 6 hours for my flight arriving in Bangkok at 6:30 am ,So I missed a whole day of my vacation and my hotel room sat empty so I paid for hotel days that I was not there. In Abu Dhabi there was a woman that worked the desk at transfers that was so professional, courteous , helpful,and may I say absolutely beautiful .she got me food vouchers for my layover and was a very calming presence. Besides that I will never use Etihad again I will pay the Xtra money . I'm sure they won't read or see this but it's my "2 cents" I'll use an airline that respects me and my hard earned dollars

I booked and paid for a Business Class seat for myself and my wife. 4 hours before the flight i get a call saying the plane they sent doesn't have the correct layout to accommodate all the business class seats they sold me 3 months earlier at a premium of $1500 a ticket. So they have to bump me from Business to Economy and will give me a $400 credit (total of $800 for both seats) that I could turn in at Abu Dahbi for $400 in US cash. They then promised a row that we could have to ourselves and the arm rests would go up so we could spread out for each of us. My wife was taken care of but I was put in the exit row with the flight attendents set as part of the three...and the arm rest did not go up. When we got to Abu Dahbi, they would not exchange our credit for cash as promised. Very disappointed they took my money 3 months ago and refused to reimburse for the change in seats or follow the promises made.

There was not any issues with the Etihad Airways. Staff was excellent and I love the variety of movies and games that they provided.

Was so disappointing. Business class with no TV, uncomfortable seats. Had much higher expectations.

It was an old plane with seats not comfortable and with little space for the legs. I must say that the previous flight I had was amazing on a very comfortable new plane

Crew was amazing as usual. Very comfortable for a 13hour flight. Check in at ATL was terrible. Ticket counter charged me $200 for a small bag. Apparently Kayak sold me a zero luggage ticket. No carry on no checked. So the check in desk charged me a bullshit $200 dollar fee for a small gym bag weighing less than 20lbs. In true 3rd party ticket buying. This will turn into a finger pointing process between Kayak and Etihad. Now I'm going to have to ship my bag back in the mail a day ahead of my return flight.

The flight from Abu Dabhi to Bangalore was terrible. The plane was an order model with no onboard entertainment. The beverage selection were very limited.

excellent, staff and boarding were all seamless and no issues, thank you!

More leg space than other flights, but *maybe* narrower seats

Very delayed and uncomfortable seats. Nothing written in Urdu for Pakistanis. Tons of Pakistanis use the airline they should ensure the airline is accommodating them properly.

Requested food items were always finished but the available food was warm and tasted good Good entertainment options.

The airline could improve its business class seats and privacy in line with its competitors.

The flight attendants were generally rude. I requested a blanket for my toddler and didn’t receive the blanket until about about 3 hours later into the flight after multiple asks for different crew!

Boarding experience was a mess- both to and from Istanbul airport. No one knew anything. They asked everyone to line up according to their sit numbers- it was unbelievable. Business class had a separate line, but it was hard to find- I had to go through all that mess before finding it. Would not recommend

Food is very turkish. No regard for other natinalities taste and preference. The entertainment can be improved- it was the same menu on 10/8/25 and 10/25/25. The boarding is the worst in the airline industry- I suggest you ask your staff to and watch how other airlines do it.

I liked the overall flight experience. However, Turkish officials could do a better job at guiding non-Turkish speakers to their connecting flight gates in such a huge & vast airport.

The food and drinks were below the normal standard we expect from Turkish Airlines. On a 4 hour flight we received 1 drinks service and 1 food service, the latter was a cheese omlete, which is well below what we have received in the past, such a shame we always recommend this airline..

Paying extra for premium seats was wasted. Turkish Airlines takes 2 seats for bassinet. The lady next to me had a baby with bassinet Bassinet was in front of my seat

It was pleasant except for the boarding at Istanbul and long wait for the wheel chair almost missed the flight Itambul to Dubai

I was sitting almost in the back, the seats are very tight and there’s no legroom, it’s uncomfortable for a long distance

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

I don’t think you’ll like the shoulder require people to pay to reserve seats. Also for the people in the bulkhead row the luggage locker nearest to their seats should be vacant. Both sides were filled with crew or airport items.

Experience was bad. In business class, they ran out of food choices. Luggage was delayed by 2 days in both to and fro flights, ground staff was not helpful, took 3 hours to log the complaint for missing luggage.

We got delayed for 3 hours and. Missed the connection. This is the 3rd time this happened with this airline

Staff except one has poor attitude. No cabin crew seen for several hours during the flight in business class. It felt like I was traveling in economy Drinks bad in business class Flight was late for no obvious reasen and I missed my flight to Miami I was put in a 3 star hotel in London although I was traveling in business class. Dinner was aweful at the hotel Overall very poor experience

The transit at Heathrow was an absolute and total nightmare. Absolutely gut wrenchingly horrible and scary. Embarrassing that their National air carrier cannot figure a half decent experience for passengers to transit via London. Shameful.

The airline was not clear about a new departure time so we got to the airport early anyway. The flight left early which was great because of weather. The check in process was very easy and staff were friendly and helpful. The crew was great and our flight was very good.

Gate agents were late…flight was late and air attendants unhelpful.

Awful it always is unfortunately is the only way to fly direct to london

The flight went well. However the leg room in coach class is very very tight. We arrived early but could not get to the gate early….sadly. Also something about off loading cargo- we had to wait to deplane. There was not clear explanation for that.

Everything you need to know for your flight from Islamabad to Heathrow

Information on your arrival and departure airports