Cheap flights from Portsmouth to Islamabad from £488

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ISB
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Islamabad

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Islamabad
Explore the most affordable flight options available from Portsmouth to Islamabad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Wed 6/520:00
SOU
-
ISB
2 stops27h 25m
Multiple Airlines
Wed 13/504:50
ISB
-
SOU
2 stops31h 50m
Multiple Airlines
Deal found 22/3£593
Thu 30/420:00
SOU
-
ISB
2 stops31h 40m
Multiple Airlines
Sun 14/603:30
ISB
-
SOU
2 stops19h 55m
Multiple Airlines
Deal found 21/3£830
Thu 16/409:20
SOU
-
ISB
2 stops18h 20m
Multiple Airlines
Wed 6/503:35
ISB
-
SOU
2 stops19h 55m
Multiple Airlines
Deal found 19/3£837
Mon 20/409:20
SOU
-
ISB
2 stops18h 20m
Multiple Airlines
Sun 10/503:35
ISB
-
SOU
2 stops19h 55m
Multiple Airlines
Deal found 23/3£838
Mon 27/420:00
SOU
-
ISB
2 stops25h 50m
Qatar Airways
Fri 12/603:35
ISB
-
SOU
2 stops19h 55m
Qatar Airways
Deal found 21/3£848
Mon 27/420:00
SOU
-
ISB
2 stops25h 50m
Qatar Airways
Thu 11/603:35
ISB
-
SOU
2 stops43h 55m
Qatar Airways
Deal found 21/3£850
Thu 30/420:00
SOU
-
ISB
2 stops31h 40m
Qatar Airways
Fri 12/603:35
ISB
-
SOU
2 stops19h 55m
Qatar Airways
Deal found 21/3£858
Mon 27/420:00
SOU
-
ISB
2 stops25h 50m
Qatar Airways
Mon 15/603:30
ISB
-
SOU
2 stops20h 00m
Qatar Airways
Deal found 21/3£859
Thu 30/420:00
SOU
-
ISB
2 stops31h 40m
Qatar Airways
Fri 12/609:25
ISB
-
SOU
2 stops38h 05m
Qatar Airways
Deal found 21/3£860
Sat 18/420:00
SOU
-
ISB
2 stops31h 40m
Multiple Airlines
Fri 8/503:35
ISB
-
SOU
2 stops19h 55m
Multiple Airlines
Deal found 21/3£867

Find flight deals from Portsmouth to Islamabad

Keep the following information in mind while searching for Portsmouth to Islamabad flight deals. Data was last updated 24 March 2026.

Round-trip from

£593

One-way from

£488

Popular in

July

Cheapest in

September

Average price

£696
6/5-13/5
  • 6/5-13/5
  • 4 total stops
  • 59h 15m total
  • Portsmouth to Islamabad
6/4
  • 6/4
  • 2 total stops
  • 18h 20m total
  • Portsmouth to Islamabad
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 24 March 2026.
Use the filters below to find and compare flights from Portsmouth to Islamabad that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Wed 6/5

06:50-08:55

3 stops22h 05m

Islamabad Intl

Wed 13/5

04:50-08:40

3 stops31h 50m

£698
Fastest return journey

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Mon 20/4

09:20-07:40

2 stops18h 20m

Islamabad Intl

Sun 10/5

03:35-19:30

2 stops19h 55m

£838

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Tue 28/4

09:10-07:40

2 stops18h 30m

Islamabad Intl

Mon 15/6

03:30-19:30

2 stops20h 00m

£859

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Thu 30/4

20:00-07:40

2 stops31h 40m

Islamabad Intl

Fri 12/6

09:25-19:30

2 stops38h 05m

£860

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Sat 18/4

20:00-07:40

2 stops31h 40m

Islamabad Intl

Fri 8/5

03:35-19:30

2 stops19h 55m

£867

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Fri 17/4

20:00-01:50

2 stops49h 50m

Islamabad Intl

Thu 7/5

03:35-19:30

2 stops19h 55m

£876

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Sat 19/9

20:00-01:50

2 stops25h 50m

Islamabad Intl

Fri 9/10

03:30-19:30

2 stops20h 00m

£898

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Mon 6/4

20:00-01:50

2 stops25h 50m

Islamabad Intl

Sun 12/4

03:30-19:30

2 stops20h 00m

£932

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Thu 7/5

20:00-07:40

2 stops31h 40m

Islamabad Intl

Sun 10/5

03:35-19:30

2 stops19h 55m

£939

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Fri 3/4

20:00-01:50

2 stops25h 50m

Islamabad Intl

Sun 12/4

03:30-19:30

2 stops20h 00m

£966

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Islamabad

Have a flexible travel schedule? Discover the best time to fly to Islamabad from Portsmouth 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 Portsmouth to Islamabad

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

Currently, April is the cheapest month in which you can book a flight from Portsmouth to Islamabad (average of £377). Flying from Portsmouth to Islamabad in December is currently the most expensive (average of £468). 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 P0R to ISB?

Find hourly flight availability from Portsmouth 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 24 March 2026.

When flying from Portsmouth to Islamabad, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Islamabad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Islamabad from Portsmouth?

    Islamabad Intl (ISB), located 19.7 mi from the city center, is the airport you fly into when you book flights from Portsmouth to Islamabad. 13 airlines have flights to Islamabad Intl from Portsmouth on a regular basis. Booking flights from Portsmouth to Islamabad Intl should not be difficult; the airport handles an average of 0 inbound flights from Portsmouth per day.

  • How long is the flight from Portsmouth to Islamabad?

    A quick flight from Portsmouth to Islamabad can take about 18h 30m. Qatar Airways provides one of the quickest options available for as low as £859. The distance between Portsmouth and Islamabad is about 3804 mi.

  • What are the cheapest flights from Portsmouth to Islamabad?

    Looking for the cheapest flight from Portsmouth to Islamabad? While on average our users pay £928, our data indicates the cheapest price to be £331. The most popular route (Southampton Eastleigh - Islamabad Intl), is priced around £593.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Islamabad?

    Currently, April is the cheapest month in which you can book a flight from Portsmouth to Islamabad (average of £377). Flying from Portsmouth to Islamabad in December is currently the most expensive (average of £468). 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 Portsmouth to Islamabad

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Islamabad

Discover the top 10 airlines that operate flights from Portsmouth 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Azerbaijan AirlinesCheapest£215Average£606FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
SAUDIACheapest£372Average£539FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Turkish AirlinesCheapest£377Average£567FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Oman AirCheapest£396Average£798FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Gulf AirCheapest£421Average£534FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Kuwait AirwaysCheapest£430Average£560FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
British AirwaysCheapest£446Average£661FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Etihad AirwaysCheapest£458Average£555FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£482Average£628FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Uzbekistan AirwaysCheapest£508Average£847FlexibilityNo cancel feeOn-time81%
Search Uzbekistan Airways flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Islamabad from Portsmouth.

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Islamabad with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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