ISB - LHR

C$ 610 Find Cheap Flights from Islamabad to London – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 1,103
Typical prices: C$ 1,141-C$ 1,476
SAUDIA, Azerbaijan Airlines
Sat 3/2Tue 20/2
ISB - LHR • 1 stop
Cheapest direct flights
C$ 1,312
Typical prices: C$ 1,280-C$ 1,570
Pakistan International Airlines
Sun 25/11Sun 2/12
ISB - LHR • Direct
Direct 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 travellers 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 C$ 859 (round-trip)
Shortest trip • 12h 37m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Islamabad to London (ISB-LHR)

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

Recent round-trip flight deals from Islamabad to London

Wed, 3 Feb - Sat, 20 Feb
Multiple Airlines Logo
10:30 a.m. - 8:20 p.m.ISB  Islamabad Intl-LHR London Heathrow
14h 50m1 stop Jeddah King Abdulaziz Intl
Multiple Airlines Logo
10:05 p.m. - 1:55 a.m.LHR  London Heathrow-ISB Islamabad Intl
22h 50m1 stop Baku Heydar Aliyev
C$ 1,103Multiple Airlines
2 days ago
Mon, 29 Mar - Fri, 14 May
Gulf Air Logo
3:30 p.m. - 3:20 p.m.ISB  Islamabad Intl-LHR London Heathrow
27h 50m1 stop Manama Bahrain Intl
Gulf Air Logo
10:05 p.m. - 2:30 p.m.LHR  London Heathrow-ISB Islamabad Intl
12h 25m1 stop Manama Bahrain Intl
C$ 1,231Gulf Air
3+ days ago
Wed, 25 Nov - Wed, 2 Dec
Etihad Airways Logo
7:35 p.m. - 2:30 p.m.ISB  Islamabad Intl-LHR London Heathrow
23h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
8:55 p.m. - 6:10 p.m.LHR  London Heathrow-ISB Islamabad Intl
16h 15m1 stop Abu Dhabi Zayed Intl
C$ 1,245Etihad Airways
2 days ago
Thu, 12 Nov - Sun, 15 Nov
Gulf Air Logo
3:10 p.m. - 2:45 p.m.ISB  Islamabad Intl-LHR London Heathrow
28h 35m1 stop Manama Bahrain Intl
Gulf Air Logo
9:30 a.m. - 2:20 p.m.LHR  London Heathrow-ISB Islamabad Intl
23h 50m1 stop Manama Bahrain Intl
C$ 1,252Gulf Air
18 hours ago
Sat, 14 Nov - Fri, 4 Dec
Oman Air Logo
4:05 a.m. - 5:55 a.m.ISB  Islamabad Intl-LHR London Heathrow
30h 50m1 stop Muscat Seeb
Oman Air Logo
8:25 a.m. - 3:20 a.m.LHR  London Heathrow-ISB Islamabad Intl
13h 55m1 stop Muscat Seeb
C$ 1,262Oman Air
1 day ago
Fri, 20 Nov - Sat, 28 Nov
Oman Air Logo
4:05 a.m. - 5:55 a.m.ISB  Islamabad Intl-LHR London Heathrow
30h 50m1 stop Muscat Seeb
Oman Air Logo
8:25 a.m. - 3:20 a.m.LHR  London Heathrow-ISB Islamabad Intl
13h 55m1 stop Muscat Seeb
C$ 1,263Oman Air
5 hours ago
Sat, 14 Nov - Fri, 4 Dec
Oman Air Logo
4:05 a.m. - 5:55 a.m.ISB  Islamabad Intl-LHR London Heathrow
30h 50m1 stop Muscat Seeb
Oman Air Logo
8:25 a.m. - 3:20 a.m.LHR  London Heathrow-ISB Islamabad Intl
13h 55m1 stop Muscat Seeb
C$ 1,264Oman Air
3+ days ago
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
7:30 p.m. - 12:05 p.m.ISB  Islamabad Intl-LHR London Heathrow
21h 35m2 stops Karachi Quaid-E-Azam Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
9:40 p.m. - 2:20 p.m.LHR  London Heathrow-ISB Islamabad Intl
11h 40m1 stop Manama Bahrain Intl
C$ 1,270Multiple Airlines
2 days ago
Tue, 10 Nov - Wed, 18 Nov
Gulf Air Logo
3:10 p.m. - 6:35 a.m.ISB  Islamabad Intl-LHR London Heathrow
20h 25m1 stop Manama Bahrain Intl
Gulf Air Logo
9:30 a.m. - 2:20 p.m.LHR  London Heathrow-ISB Islamabad Intl
23h 50m1 stop Manama Bahrain Intl
C$ 1,274Gulf Air
5 hours ago
Tue, 19 Jan - Thu, 18 Mar
Gulf Air Logo
3:10 p.m. - 6:35 a.m.ISB  Islamabad Intl-LHR London Heathrow
20h 25m1 stop Manama Bahrain Intl
Gulf Air Logo
9:30 a.m. - 2:20 p.m.LHR  London Heathrow-ISB Islamabad Intl
23h 50m1 stop Manama Bahrain Intl
C$ 1,283Gulf Air
4 hours ago
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 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 C$ 1,127 round-trip.
•June (C$ 1,439) and April (C$ 1,359) 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 London

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

Duncan Madden

Expert on LHR

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.

Sharad Ranabhat

Sharad Ranabhat

Expert on ISB

Sharad, a Nepal-based aviation journalist, is passionate about uncovering the latest in airline news and airport reviews. When he's not diving into the world of aviation, you’ll find him exploring new destinations and sharing stories that connect and inspire.

Key details for Islamabad to London Heathrow Airport flights

Low season

October

Cheapest flight

C$ 610
Beat the crowds with an average 30% drop in traveller numbers.
The most popular month to fly with an average 49% increase in traveller numbers.
One-way flight from Islamabad to London Heathrow Airport

When to book flights from Islamabad to London

Are your dates flexible? Find out the best times to travel from Islamabad to London 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.

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

    Only Economy Class is available on flights from Islamabad to London Heathrow Airport.

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

    A direct flight from Islamabad to London Heathrow Airport takes 8h 50m, covering 9,734 km.

  • 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 C$ 1,141 to C$ 1,476, with an average of C$ 1,283 over the past 12 months. Anything below C$ 1,141 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 C$ 1,283 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 direct options on average. Layover fares average C$ 859 round-trip via Baku Heydar Aliyev (GYD), compared to C$ 1,421 for direct.

  • 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 C$ 57–C$ 140 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 C$ 1,103 to C$ 7,344. 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 C$ 645, which is 8% 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 C$ 54 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 on the route 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 three 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 C$ 1,215 round-trip on average, while Thursday is the most expensive at C$ 1,323, a difference of C$ 108.

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

  • Which 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 when travelling 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.

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

    Some of the most popular sights in London Heathrow Airport are Trafalgar Square, Hyde Park, and London Eye. 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 carry-on bag and a checked bag in Economy Class

    Baggage 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 C$ 1,215, about C$ 108 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 C$ 1,127 round-trip in that month – typically C$ 312 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 C$ 859 round-trip on this route – about C$ 562 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?

 
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 nonstop 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 nonstop flights

More options for your flight from Islamabad to London

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