ISB - LHR

$367 Find Cheap Flights from Islamabad to London Heathrow Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$700
Typical prices: $816-$1,056
Multiple Airlines
Sun 12/2Tue 12/11
ISB - LHR • 2 stops
Cheapest non-stop
$908
Typical prices: $915-$1,122
Pakistan International Airlines
Sun 11/18Fri 11/23
ISB - LHR • Non-stop
Nonstop flights
You can fly direct with Pakistan International Airlines. Average duration is 8h 50m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $614 (round-trip)
Shortest trip • 12h 37m (one-way)
Insights
Insights
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We hope you love your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Islamabad to Heathrow (ISB-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islamabad to Heathrow

Wed, Dec 2 - Fri, Dec 11
Multiple Airlines Logo
10:45 am - 12:05 pmISB  Islamabad Intl-LHR London Heathrow
30h 20m2 stops Karachi Quaid-E-Azam Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
8:40 am - 6:15 pmLHR  London Heathrow-ISB Islamabad Intl
28h 35m2 stops Abu Dhabi Zayed Intl Karachi Quaid-E-Azam Intl
$700Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
Multiple Airlines Logo
9:45 am - 12:05 pmISB  Islamabad Intl-LHR London Heathrow
31h 20m2 stops Karachi Quaid-E-Azam Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
8:40 am - 8:10 pmLHR  London Heathrow-ISB Islamabad Intl
30h 30m2 stops Abu Dhabi Zayed Intl Karachi Quaid-E-Azam Intl
$709Multiple Airlines
Tue, Nov 17 - Mon, Nov 23
Etihad Airways Logo
4:35 am - 2:30 pmISB  Islamabad Intl-LHR London Heathrow
14h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:20 pm - 6:10 pmLHR  London Heathrow-ISB Islamabad Intl
17h 50m1 stop Abu Dhabi Zayed Intl
$869Etihad Airways
Fri, Dec 4 - Wed, Dec 30
Etihad Airways Logo
4:35 am - 12:05 pmISB  Islamabad Intl-LHR London Heathrow
12h 30m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:20 pm - 6:10 pmLHR  London Heathrow-ISB Islamabad Intl
17h 50m1 stop Abu Dhabi Zayed Intl
$875Etihad Airways
Wed, Feb 3 - Mon, Mar 8
Turkish Airlines Logo
10:10 am - 4:20 pmISB  Islamabad Intl-LHR London Heathrow
11h 10m1 stop Istanbul
Turkish Airlines Logo
4:10 pm - 8:40 amLHR  London Heathrow-ISB Islamabad Intl
35h 30m1 stop Istanbul
$900Turkish Airlines
Wed, Dec 23 - Wed, Dec 30
Turkish Airlines Logo
10:10 am - 12:45 pmISB  Islamabad Intl-LHR London Heathrow
31h 35m1 stop Istanbul
Turkish Airlines Logo
4:00 pm - 8:40 amLHR  London Heathrow-ISB Islamabad Intl
35h 40m1 stop Istanbul
$903Turkish Airlines
Wed, Nov 18 - Mon, Nov 23
Pakistan International Airlines Logo
12:15 pm - 4:05 pmISB  Islamabad Intl-LHR London Heathrow
8h 50mnonstop
Pakistan International Airlines Logo
6:00 pm - 7:05 amLHR  London Heathrow-ISB Islamabad Intl
8h 05mnonstop
$908Pakistan International Airlines
Thu, Nov 19 - Wed, Nov 25
Pakistan International Airlines Logo
11:15 am - 3:05 pmISB  Islamabad Intl-LHR London Heathrow
8h 50mnonstop
Pakistan International Airlines Logo
7:55 pm - 9:00 amLHR  London Heathrow-ISB Islamabad Intl
8h 05mnonstop
$919Pakistan International Airlines
Fri, Nov 13 - Sun, Nov 29
Emirates Logo
9:00 am - 8:00 pmISB  Islamabad Intl-LHR London Heathrow
16h 00m1 stop Dubai Intl
Emirates Logo
1:40 pm - 7:15 amLHR  London Heathrow-ISB Islamabad Intl
12h 35m1 stop Dubai Intl
$963Emirates
Mon, Nov 9 - Sun, Mar 14
Emirates Logo
3:15 am - 4:10 pmISB  Islamabad Intl-LHR London Heathrow
17h 55m1 stop Dubai Intl
Emirates Logo
10:00 pm - 1:30 amLHR  London Heathrow-ISB Islamabad Intl
22h 30m1 stop Dubai Intl
$968Emirates
Booking Insights

Price, demand and travel trends for Islamabad to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Islamabad to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Islamabad to London Heathrow Airport. It’s 6% cheaper than the average day, while Thursday is the most expensive, with prices 3% higher.

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

•March is the cheapest month to fly from Islamabad to London Heathrow Airport at $806 round-trip.
•June ($1,029) and April ($972) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 27% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Islamabad to London Heathrow Airport the cheapest?

Flights from Islamabad to London Heathrow Airport are cheapest 23 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Islamabad to Heathrow

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

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.

Duncan Madden

Duncan Madden

Expert on British Airways

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.

Key details for Islamabad to London Heathrow Airport flights

Low season

October

Cheapest flight

$368
Beat the crowds with an average 30% drop in travelers.
The most popular month to fly with an average 49% increase in travelers.
One-way 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

Your Islamabad to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Islamabad to London Heathrow Airport?

    These are the earliest and latest flight times available from Islamabad to London Heathrow Airport:

    • Earliest: departs at 10:20 am and lands at 7:10 pm
    • Latest: departs at 1:15 pm and lands at 10:05 pm.

    The flight takes about 8h 50m.

  • What cabin classes can I book on flights from Islamabad to London Heathrow Airport?

    Four cabin classes are available on flights from Islamabad to London Heathrow Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Islamabad to London Heathrow Airport?

    A nonstop flight from Islamabad to London Heathrow Airport takes 8h 50m, covering 3,758 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Islamabad to London Heathrow Airport flight?

    Round-trip flights from Islamabad to London Heathrow Airport range from $816 to $1,056, with an average of $918 over the past 12 months. Anything below $816 counts as a good deal.

  • How expensive are last-minute Islamabad to London Heathrow Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 12% above the $918 route average. Book 23 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Islamabad to London Heathrow Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $614 round-trip via Baku Heydar Aliyev (GYD), compared to $1,016 for nonstop.

  • How does on-time performance compare across airlines flying from Islamabad to London Heathrow Airport?

    Pakistan International Airlines is the only airline operating Islamabad to London Heathrow Airport flights. 87% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Islamabad to London Heathrow Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $41–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Islamabad to London Heathrow Airport?

    The Boeing 777-200/200ER family is used most often on this route, operated mainly by Pakistan International Airlines. Other aircraft seen on the route include Boeing 777 variants.

  • Have flight prices from Islamabad to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $700 to $5,249. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Islamabad to London Heathrow Airport looking right now?

    One-way fares from Islamabad to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $452, which is 10% below the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Islamabad to London Heathrow Airport?

    Flights from Islamabad to London Heathrow Airport usually depart from Islamabad Intl (ISB) and arrive at London Heathrow (LHR).

  • What time of day has the fewest delays on flights from Islamabad to London Heathrow Airport?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Islamabad to London Heathrow Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Islamabad to London Heathrow Airport route, 13% of flights were delayed in the past 3 months, with delays averaging 1h 52m.

  • Which airports do connecting flights from Islamabad to London Heathrow Airport pass through?

    One-stop flights from Islamabad to London Heathrow Airport most commonly connect through:

    • Doha Hamad Intl (DOH) - 26% of one-stop connections
    • Istanbul (IST) - 23% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 22% of one-stop connections
    • Dubai Intl (DXB) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Islamabad to London Heathrow Airport?

    Yes. Flexible dates can save you up to 9% on flights from Islamabad to London Heathrow Airport. Tuesday is the cheapest departure day at $869 round-trip on average, while Thursday is the most expensive at $946, a difference of $77.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Islamabad to London Heathrow Airport?

    Only Pakistan International Airlines operates flights between Islamabad and London Heathrow Airport.

  • How much time can I save by choosing a different layover airport from Islamabad to London Heathrow Airport?

    Flying via Tashkent Vostochny (TAS) gives the shortest average 1-stop total travel time at 12h 37m, compared with 12h 39m via Kuwait City (KWI) and 13h 02m via Dubai Intl (DXB).

  • What is the time difference between Islamabad and London Heathrow Airport?

    London Heathrow Airport is 5 hours behind Islamabad (British Time vs Pakistan Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • Which airlines include bags at no extra cost on Islamabad to London Heathrow Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Pakistan International Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • 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.

Your guide to booking Islamabad to London Heathrow Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Thursday. On this route, Tuesday flights average $869, about $77 less than Thursday fares (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Islamabad to London Heathrow Airport trip for March. Fares historically average $806 round-trip in that month - typically $223 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Baku Heydar Aliyev Airport (GYD) can be cheaper than flying direct. The cheapest layover option averages $614 round-trip on this route - about $402 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport
  • 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?

 
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

Tuesday

Pakistan International Airlines

Pakistan International Airlines

Wednesday

Pakistan International Airlines

Pakistan International Airlines

Thursday

Pakistan International Airlines

Pakistan International Airlines

Saturday

Pakistan International Airlines

Pakistan International Airlines

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

Tuesday

Pakistan International Airlines

Pakistan International Airlines

Wednesday

Pakistan International Airlines

Pakistan International Airlines

Friday

Pakistan International Airlines

Pakistan International Airlines

Saturday

Pakistan International Airlines

Pakistan International Airlines

See more direct flights

More options for your flight from Islamabad to Heathrow

Complete your trip to London with a hotel stay or car rental