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Cheap flights from Portsmouth to Islamabad from £447

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ISB
7 Sep — 14 Sep1
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 8 August 2026.

Wed 16/920:00 -
2 stops42h 25m
Wed 23/919:45 -
2 stops27h 45m
Deal found 6/8£606
Mon 14/909:20 -
2 stops18h 20m
Sat 19/903:30 -
2 stops20h 00m
Deal found 4/8£829
Fri 4/909:20 -
2 stops18h 20m
Thu 24/903:30 -
2 stops20h 00m
Deal found 7/8£959
Sat 5/909:20 -
2 stops36h 30m
Fri 25/903:30 -
2 stops20h 00m
Deal found 8/8£962
Sat 7/1109:20 -
2 stops17h 05m
Fri 27/1103:20 -
2 stops18h 15m
Deal found 8/8£1,023
Wed 12/809:20 -
2 stops18h 20m
Thu 3/903:30 -
2 stops20h 00m
Deal found 5/8£1,136
Mon 17/808:55 -
2 stops18h 45m
Tue 15/903:30 -
2 stops19h 55m
Deal found 8/8£1,200
Mon 10/808:55 -
2 stops18h 45m
Thu 3/903:30 -
2 stops20h 00m
Deal found 5/8£1,266
Mon 14/1219:55 -
2 stops30h 30m
Wed 13/103:20 -
2 stops18h 15m
Deal found 6/8£1,512
Tue 3/1109:20 -
2 stops17h 05m
Mon 23/1103:10 -
2 stops21h 20m
Deal found 4/8£1,921

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 8 August 2026.

Round-trip from

£606

One-way from

£447

Popular in

July

Cheapest in

September

Average price

£701
16/9-23/9
  • 16/9-23/9
  • 4 total stops
  • 70h 10m total
  • Portsmouth to Islamabad
Search Deals
27/8
  • 27/8
  • 2 total stops
  • 18h 20m total
  • Portsmouth to Islamabad
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 8 August 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 Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Wed 16/9

08:55-18:25

2 stops29h 30m

Islamabad Intl

Tue 22/9

03:30-08:35

3 stops33h 05m

£669

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Fri 4/9

09:20-07:40

2 stops18h 20m

Islamabad Intl

Thu 24/9

03:30-19:30

2 stops20h 00m

£959

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Thu 4/2

15:15-01:40

2 stops29h 25m

Islamabad Intl

Thu 25/2

08:55-19:25

2 stops39h 30m

£988

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Tue 2/2

08:55-07:25

2 stops17h 30m

Islamabad Intl

Mon 22/2

03:10-08:40

2 stops34h 30m

£995
Fastest return journey

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Sat 7/11

09:20-07:25

2 stops17h 05m

Islamabad Intl

Fri 27/11

03:20-16:35

2 stops18h 15m

£1,023

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Wed 3/2

09:20-01:40

2 stops35h 20m

Islamabad Intl

Wed 24/2

08:55-16:35

2 stops36h 40m

£1,035

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Mon 14/12

19:55-07:25

2 stops30h 30m

Islamabad Intl

Wed 13/1

03:20-16:35

2 stops18h 15m

£1,512

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Tue 3/11

09:20-07:25

2 stops17h 05m

Islamabad Intl

Mon 23/11

03:10-19:30

2 stops21h 20m

£1,921

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Wed 2/9

09:20-07:40

2 stops18h 20m

Islamabad Intl

Tue 22/9

03:30-19:30

2 stops20h 00m

£1,922

SouthamptonIslamabad

SOU Southampton Eastleigh - ISB Islamabad Intl

SOUISB

Southampton Eastleigh

Tue 22/9

09:15-07:40

2 stops18h 25m

Islamabad Intl

Tue 20/10

03:30-19:30

2 stops20h 00m

£1,926

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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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 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 8 August 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.

  • What are the cheapest flights from Portsmouth to Islamabad?

    Looking for the cheapest flight from Portsmouth to Islamabad? While on average our users pay £893, our data indicates the cheapest price to be £391. The most popular route (Southampton Eastleigh - Islamabad Intl), is priced around £606.

  • 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.

See more FAQs

Travelling to a place near Islamabad?

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

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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.
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Southend to Islamabad flights
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Leeds to Islamabad flights
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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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Azerbaijan AirlinesCheapest£213Average£664FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
Gulf AirCheapest£286Average£550FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Turkish AirlinesCheapest£394Average£602FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SAUDIACheapest£398Average£536FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Etihad AirwaysCheapest£423Average£544FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Kuwait AirwaysCheapest£425Average£555FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
British AirwaysCheapest£435Average£665FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest£478Average£607FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Uzbekistan AirwaysCheapest£511Average£854FlexibilityNo cancel feeOn-time81%
Search Uzbekistan Airways flights
EmiratesCheapest£532Average£731FlexibilityNo cancel feeOn-time75%
Search Emirates 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 Portsmouth to Islamabad?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Islamabad from Portsmouth today with Cheapflights!

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.

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

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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