ISB - LHR

$408 Find Cheap Flights from Islamabad to London Heathrow Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$758
Typical prices: $811-$1,061
Multiple Airlines
Tue 10/23Thu 11/1
ISB - LHR • 3 stops
Cheapest non-stop
$973
Typical prices: $908-$1,117
Pakistan International Airlines
Sun 10/7Fri 10/26
ISB - LHR • Non-stop
Nonstop flights
You can fly direct with Pakistan International Airlines. Average duration is 8h 46m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 89% 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 27% 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 $654 (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
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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

Fri, Oct 23 - Sun, Nov 1
Multiple Airlines Logo
9:20 pm - 4:00 pmISB  Islamabad Intl-LHR London Heathrow
22h 40m3 stops Karachi Quaid-E-Azam Intl Istanbul Sabiha Gokcen Dublin
Multiple Airlines Logo
7:00 am - 9:05 amLHR  London Heathrow-ISB Islamabad Intl
21h 05m3 stops Geneva Geneve-Cointrin Istanbul Sabiha Gokcen Karachi Quaid-E-Azam Intl
$758Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
8:50 pm - 5:55 pmISB  Islamabad Intl-LHR London Heathrow
26h 05m3 stops Karachi Quaid-E-Azam Intl Istanbul Sabiha Gokcen Berlin Brandenburg
Multiple Airlines Logo
8:55 pm - 6:10 pmLHR  London Heathrow-ISB Islamabad Intl
16h 15m1 stop Abu Dhabi Zayed Intl
$763Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Etihad Airways Logo
4:50 am - 12:45 pmISB  Islamabad Intl-LHR London Heathrow
11h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
8:55 pm - 6:10 pmLHR  London Heathrow-ISB Islamabad Intl
16h 15m1 stop Abu Dhabi Zayed Intl
$825Etihad Airways
Wed, Oct 14 - Mon, Dec 7
Etihad Airways Logo
4:50 am - 3:05 pmISB  Islamabad Intl-LHR London Heathrow
14h 15m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
8:55 pm - 3:15 amLHR  London Heathrow-ISB Islamabad Intl
25h 20m1 stop Abu Dhabi Zayed Intl
$829Etihad Airways
Tue, Oct 13 - Wed, Oct 14
Turkish Airlines Logo
9:15 am - 4:40 pmISB  Islamabad Intl-LHR London Heathrow
35h 25m1 stop Istanbul
Turkish Airlines Logo
10:40 pm - 7:45 amLHR  London Heathrow-ISB Islamabad Intl
29h 05m1 stop Istanbul
$858Turkish Airlines
Fri, Sep 25 - Fri, Sep 25
Turkish Airlines Logo
5:05 am - 3:10 pmISB  Islamabad Intl-LHR London Heathrow
14h 05m1 stop Istanbul
Turkish Airlines Logo
6:30 pm - 7:45 amLHR  London Heathrow-ISB Islamabad Intl
33h 15m1 stop Istanbul
$867Turkish Airlines
Sat, Oct 24 - Sun, Nov 1
Pakistan International Airlines Logo
7:00 pm - 5:00 pmISB  Islamabad Intl-LHR London Heathrow
50h 00m2 stops Karachi Quaid-E-Azam Intl Lahore
Pakistan International Airlines Logo
7:55 pm - 5:55 pmLHR  London Heathrow-ISB Islamabad Intl
17h 00m2 stops Lahore Karachi Quaid-E-Azam Intl
$954Pakistan International Airlines
Wed, Sep 30 - Sun, Oct 4
Emirates Logo
9:25 am - 8:15 pmISB  Islamabad Intl-LHR London Heathrow
14h 50m1 stop Dubai Intl
Emirates Logo
10:15 pm - 7:30 amLHR  London Heathrow-ISB Islamabad Intl
29h 15m1 stop Dubai Intl
$968Emirates
Wed, Oct 7 - Mon, Oct 26
Pakistan International Airlines Logo
11:15 am - 3:55 pmISB  Islamabad Intl-LHR London Heathrow
8h 40mnonstop
Pakistan International Airlines Logo
6:00 pm - 6:40 amLHR  London Heathrow-ISB Islamabad Intl
7h 40mnonstop
$973Pakistan International Airlines
Wed, Sep 30 - Sat, Oct 3
Emirates Logo
9:25 am - 8:15 pmISB  Islamabad Intl-LHR London Heathrow
14h 50m1 stop Dubai Intl
Emirates Logo
9:05 am - 1:15 amLHR  London Heathrow-ISB Islamabad Intl
12h 10m1 stop Dubai Intl
$975Emirates
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 from Islamabad to London Heathrow Airport with more confidence.

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

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

What is 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.
  • August ($1,042) and June ($1,022) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 29% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 27% 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

January

Cheapest flight

$408
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 12% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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 airlines are available from Islamabad to London Heathrow Airport?

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

  • 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).

  • 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 travelers should check the fare details before booking.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • 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 $654 round-trip via Baku Heydar Aliyev (GYD), compared to $1,001 for nonstop.

  • 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 $40–$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.

  • 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) - 29% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 24% of one-stop connections
    • Istanbul (IST) - 22% of one-stop connections
    • Dubai Intl (DXB) - 15% of one-stop connections

    Doha Hamad Intl (DOH) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 9% on the Islamabad to London Heathrow Airport route. Tuesday is the cheapest departure day at $868 round-trip on average, while Saturday is the most expensive at $944, a difference of $76. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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, 11% of flights were delayed in the past 3 months, with delays averaging 2 hours 0 minutes.

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

    Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • 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 7:06 pm
    • Latest: departs at 1:15 pm and lands at 10:01 pm.

    The flight takes about 8h 46m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $915. Book 23 weeks before departure for the lowest fares.

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

    A nonstop flight from Islamabad to London Heathrow Airport takes 8h 46m, 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 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 $462, which is 8% below the typical average for this route.

  • How does Pakistan International Airlines’s on-time performance compare to other airlines on Islamabad to London Heathrow Airport flights?

    Pakistan International Airlines is the only airline operating Islamabad to London Heathrow Airport flights. 89% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Islamabad to London Heathrow Airport?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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

    Flying via Kuwait City (KWI) gives the shortest average 1-stop total travel time at 12h 37m, compared with 12h 37m via Tashkent Vostochny (TAS) and 13h 09m via Dubai Intl (DXB).

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

    London Heathrow Airport is 4 hours behind Islamabad (British Time vs Pakistan Time). Plan for the time shift when scheduling connections or first-day activities.

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

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

  • 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 $811 to $1,061, with an average of $915 over the past 12 months. Anything below $811 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $868 - about $76 less than Saturday (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 27% 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 $236 less than the most expensive month, which is August (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 $654 round-trip on this route - about $346 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

Friday

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