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Cheap flights from Karachi to Islamabad from £51

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
KHI — ISB
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Karachi Quaid-E-Azam Intl to Islamabad Intl are usually found in March or September, booked 78 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap flight deals from Karachi to Islamabad

Discover tips and strategies to find the most affordable flight options for your journey from Karachi (KHI) to Islamabad (ISB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£106

One-way from

£51

Popular in

December

Cheapest in

March

Average price

£101

Good round-trip deal

£109 or less

Good one-way deal

£62 or less
Serene Air
  • Serene Air
  • 11/10-12/10
  • Nonstop
  • 4h 00m total
  • Karachi to Islamabad
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Serene Air
  • Serene Air
  • 4/10
  • Nonstop
  • 2h 00m total
  • Karachi to Islamabad
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£4 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£1 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Karachi Quaid-E-Azam Intl to Islamabad Intl.
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Price to beat on a one-way flight from Karachi Quaid-E-Azam Intl to Islamabad Intl.
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Find flight deals from Karachi to Islamabad

Cheapest flights from Karachi to Islamabad
Explore the most affordable flight options available from Karachi to Islamabad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sat 11/1018:00KHI - ISB
Nonstop2h 00mSerene Air
Sun 12/1019:20ISB - KHI
Nonstop2h 00mSerene Air
Deal found 17/9£106
Wed 1/1016:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Thu 9/1012:45ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 17/9£111
Thu 2/1022:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Thu 23/1010:00ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 17/9£116
Fri 3/1016:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Mon 6/1012:45ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 17/9£124
Wed 17/1207:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Sun 4/110:00ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 15/9£138
Fri 19/922:00KHI - ISB
Nonstop1h 55mFly Jinnah
Sun 21/909:35ISB - KHI
Nonstop1h 55mFly Jinnah
Deal found 17/9£139
Sat 20/1222:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Sun 4/110:00ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 15/9£154
Sun 28/907:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Mon 6/1012:00ISB - KHI
1 stop3h 45mPakistan International Airlines
Deal found 17/9£162
Fri 19/1216:00KHI - ISB
Nonstop1h 55mPakistan International Airlines
Tue 30/1210:00ISB - KHI
Nonstop1h 55mPakistan International Airlines
Deal found 15/9£166

Cheapflights Fare Finder

 
Customise your flight search to find flights from Karachi to Islamabad that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Karachi to Islamabad that are best for you.

Fly from

Karachi

Fly to

Islamabad

Route

Depart

Return

Price

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Sat 11/10

18:00-20:00

Nonstop2h 00m

Islamabad Intl

Sun 12/10

19:20-21:20

Nonstop2h 00m

£106

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Mon 6/10

16:00-17:55

Nonstop1h 55m

Islamabad Intl

Thu 23/10

12:45-14:40

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Tue 7/10

16:00-17:55

Nonstop1h 55m

Islamabad Intl

Thu 23/10

10:00-11:55

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Wed 1/10

16:00-17:55

Nonstop1h 55m

Islamabad Intl

Thu 23/10

10:00-11:55

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Thu 2/10

22:00-23:55

Nonstop1h 55m

Islamabad Intl

Thu 23/10

10:00-11:55

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Sun 28/9

07:00-08:55

Nonstop1h 55m

Islamabad Intl

Mon 6/10

12:45-14:40

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Sun 5/10

07:00-08:55

Nonstop1h 55m

Islamabad Intl

Thu 23/10

12:45-14:40

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Tue 30/9

20:30-22:25

Nonstop1h 55m

Islamabad Intl

Mon 6/10

12:45-14:40

Nonstop1h 55m

£116

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Fri 3/10

16:00-17:55

Nonstop1h 55m

Islamabad Intl

Mon 6/10

12:45-14:40

Nonstop1h 55m

£124

KarachiIslamabad

KHI - ISB

KHIISB

Karachi Quaid-E-Azam Intl

Thu 18/12

22:00-23:55

Nonstop1h 55m

Islamabad Intl

Sun 4/1

10:00-11:55

Nonstop1h 55m

£138

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 23 results
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Best time to book a flight from Karachi to Islamabad

Have a flexible travel schedule? Discover the best time to fly to Islamabad from Karachi with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Karachi to Islamabad

How far ahead should I book a flight from Karachi to Islamabad?

Use this chart to determine the optimal time to book a return flight from Karachi to Islamabad. Price data was last updated on 12 September 2025.

The price you pay for your flight from Karachi to Islamabad may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Karachi to Islamabad?

Currently, September is the cheapest month in which you can book a flight from Karachi to Islamabad (average of £742). Flying from Karachi to Islamabad in July is currently the most expensive (average of £1,108). 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.

What is the cheapest time of day to fly from KHI to ISB?

Find hourly flight availability from Karachi to Islamabad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

When flying from Karachi to Islamabad, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 8% versus a flight in the morning.

What is the cheapest day to fly from Karachi to Islamabad?

Use this chart to determine the cheapest time to fly return from Karachi to Islamabad. Price data was last updated on 14 September 2025.

Travellers seeking maximum savings on their Karachi to Islamabad flight should consider departing on Thursday at midday when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Islamabad

Get insights into the airlines that provide service to Islamabad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islamabad. Reviews last updated 18 September 2025.
Read reviews from past customers who have flown with Pakistan International Airlines from Karachi to Islamabad. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Pakistan International Airlines
6.2
Okay
49 reviews
Check prices

Crew

6.8

Food

6.3

Boarding

6.6

Comfort

6.4

Entertainment

5.6

Overall

6.2

Reviews

1 / 1
2.0
Mediocre

Rick,Oct 2020

MIA - MGA

Cons: They rejected my Covid test, even though I was negative, what a sham
Pakistan International Airlines
6.2
Okay
49 reviews
Pakistan International Airlines
6.2
Okay
49 reviews
Check prices

Crew

6.8

Food

6.3

Boarding

6.6

Comfort

6.4

Entertainment

5.6

Overall

6.2

Reviews

1 / 1
2.0
Mediocre

Rick,Oct 2020

MIA - MGA

Cons: They rejected my Covid test, even though I was negative, what a sham

Related info for your journey

Find useful and relevant information for your journey from Karachi to Islamabad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Karachi to Islamabad?

    You will need to book a flight from Karachi Quaid-E-Azam Intl to Islamabad Intl if you want to fly from Karachi to Islamabad. At least 4 different airlines have flights from Quaid-E-Azam Intl (KHI) to Islamabad Intl (ISB) on a regular basis. There are 9 flights to Islamabad from the Karachi airport per day. If you manage to book one that is nonstop, then you can expect the flight time from KHI to ISB to be around 1h 55m.

  • How popular is this Karachi to Islamabad flight route?

    The Karachi Quaid-E-Azam Intl to Islamabad Intl flight path was viewed by 189 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Karachi to Islamabad?

    Departing from Karachi to Islamabad will take you 1h 55m. The distance between Karachi and Islamabad is about 687 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Karachi to Islamabad round-trip?

    Cheapflights users have booked flights from Karachi to Islamabad round-trip from £57. Other airlines that can offer you cheap pricing are Pakistan International Airlines, from £78, and Fly Jinnah, from £84. These flights start at 49% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Karachi to Islamabad?

    No one likes to see their flight delayed. When booking a flight from Karachi to Islamabad consider choosing Serene Air (71%), Pakistan International Airlines (63%) or Fly Jinnah (55%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Karachi to Islamabad?

    Looking for the cheapest flight from Karachi to Islamabad? While on average our users pay £94, our data indicates the cheapest price to be £49. The most popular route (Karachi Quaid-E-Azam Intl - Islamabad Intl), is priced around £150.

  • Can I find deals for flights from Karachi to Islamabad that include hotel bookings?

    Yes. In addition to deals on Karachi to Islamabad flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Karachi to Islamabad?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Karachi to Islamabad.

  • Can I find deals for business class flights from Karachi to Islamabad?

    Yes. Cheapflights offers flight deals from Karachi to Islamabad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Karachi to Islamabad?

    Currently, September is the cheapest month in which you can book a flight from Karachi to Islamabad (average of £742). Flying from Karachi to Islamabad in July is currently the most expensive (average of £1,108). 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.

See more FAQs

Travelling to a place near Islamabad?

Book flights to Islamabad if you plan to visit one of these locations
Rawalpindi
Murree

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Alternative routes for Karachi to Islamabad

See prices for flight routes from nearby airports that may be better suited for you.
Lahore to Karachi flights

Top 4 airlines flying from Karachi to Islamabad

Discover the top 4 airlines that operate flights from Karachi to Islamabad. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Serene AirCheapest£57Average£107FlexibilityNo cancel feeOn-timeN/A
Search Serene Air flights
Pakistan International AirlinesCheapest£78Average£110FlexibilityNo cancel feeOn-time50%
Search Pakistan International Airlines flights
Fly JinnahCheapest£84Average£115FlexibilityNo cancel feeOn-timeN/A
Search Fly Jinnah flights
airblueCheapest£106Average£110FlexibilityNo cancel feeOn-timeN/A
Search airblue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Karachi to Islamabad?

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Why should you use Cheapflights to find cheap flight tickets from Karachi to Islamabad?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Karachi to Islamabad.

Can Cheapflights find flights from Karachi to Islamabad with no change fees?

Need flexible booking options for your flight to Islamabad from Karachi? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Karachi to Islamabad become cheaper?

Not ready to book yet? You can track prices for flights from Karachi to Islamabad on Cheapflights with our Price Alert feature and get notified when better prices are available.

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