Cheap flights from Portsmouth to Islamabad from £509

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ISB
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Thu 20/1120:10SOU - ISB
2 stops24h 30mQatar Airways
Mon 24/1108:55ISB - SOU
2 stops39h 45mQatar Airways
Deal found 14/10£820
Sun 16/1109:30SOU - ISB
2 stops35h 10mQatar Airways
Wed 17/1203:10ISB - SOU
2 stops45h 30mQatar Airways
Deal found 15/10£920
Thu 13/1120:10SOU - ISB
2 stops24h 30mQatar Airways
Thu 18/1208:55ISB - SOU
2 stops39h 45mQatar Airways
Deal found 15/10£922
Thu 13/1120:10SOU - ISB
2 stops24h 30mMultiple Airlines
Thu 27/1103:10ISB - SOU
2 stops21h 20mMultiple Airlines
Deal found 16/10£1,199
Tue 21/1009:10SOU - ISB
2 stops36h 40mQatar Airways
Mon 1/1208:55ISB - SOU
2 stops39h 45mQatar Airways
Deal found 16/10£1,220
Sun 7/1209:30SOU - ISB
2 stops35h 10mQatar Airways
Mon 5/103:10ISB - SOU
2 stops41h 25mQatar Airways
Deal found 16/10£1,231
Sat 6/1209:30SOU - ISB
2 stops35h 10mQatar Airways
Mon 5/103:10ISB - SOU
2 stops41h 25mQatar Airways
Deal found 16/10£1,234

Cheap flight deals from Portsmouth to Islamabad

Keep the following information in mind while searching for Portsmouth to Islamabad flight deals. Data was last updated 17 October 2025.

Round-trip from

£764

One-way from

£509

Popular in

July

Cheapest in

September

Average price

£606
Qatar Airways
  • Qatar Airways
  • 9/2-18/2
  • 4 total stops
  • 38h 25m total
  • Portsmouth to Islamabad
31/10
  • 31/10
  • 3 total stops
  • 37h 40m 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 October 2025

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 17 October 2025.
Use the filters below to find and compare flights from Portsmouth to Islamabad that are best for you.

Fly from

Portsmouth

Fly to

Islamabad

Route

Depart

Return

Price

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Thu 12/2

20:10-07:25

2 stops30h 15m

Islamabad Intl

Wed 18/2

03:10-19:40

2 stops21h 30m

£764

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Wed 11/2

12:25-01:40

2 stops32h 15m

Islamabad Intl

Wed 18/2

03:10-19:40

2 stops21h 30m

£769

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Fri 13/2

09:30-07:25

2 stops16h 55m

Islamabad Intl

Wed 18/2

03:10-19:40

2 stops21h 30m

£790

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Thu 12/2

20:10-01:40

2 stops24h 30m

Islamabad Intl

Sun 22/2

08:55-15:35

2 stops35h 40m

£791

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Tue 10/2

12:25-01:40

2 stops32h 15m

Islamabad Intl

Sat 21/2

03:10-19:40

2 stops45h 30m

£794

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Mon 9/2

20:10-07:25

2 stops30h 15m

Islamabad Intl

Tue 24/2

08:55-15:35

2 stops35h 40m

£795

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Wed 11/2

12:25-01:40

2 stops32h 15m

Islamabad Intl

Sun 22/2

08:55-15:35

2 stops35h 40m

£797

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Sun 15/2

20:10-01:40

2 stops24h 30m

Islamabad Intl

Sat 21/2

03:10-15:35

2 stops41h 25m

£818

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Thu 20/11

20:10-01:40

2 stops24h 30m

Islamabad Intl

Mon 24/11

08:55-19:40

2 stops39h 45m

£820

SouthamptonIslamabad

SOU - ISB

SOUISB

Southampton Eastleigh

Sun 15/2

20:10-07:25

2 stops30h 15m

Islamabad Intl

Tue 24/2

08:55-15:35

2 stops35h 40m

£821

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 17 results
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, January is the cheapest month in which you can book a flight from Portsmouth to Islamabad (average of £329). Flying from Portsmouth to Islamabad in December is currently the most expensive (average of £478). 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 17 October 2025.

When flying from Portsmouth to Islamabad, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Islamabad. Price data was last updated on 16 December 2024.

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

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. 12 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 30h 15m. Qatar Airways provides one of the quickest options available for as low as £764. 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 £1,789, our data indicates the cheapest price to be £1,082. The most popular route (Southampton Eastleigh - Islamabad Intl), is priced around £828.

  • 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, January is the cheapest month in which you can book a flight from Portsmouth to Islamabad (average of £329). Flying from Portsmouth to Islamabad in December is currently the most expensive (average of £478). 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Azerbaijan AirlinesCheapest£296Average£649FlexibilityNo cancel feeOn-time87%
Search Azerbaijan Airlines flights
Turkish AirlinesCheapest£373Average£496FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SAUDIACheapest£376Average£533FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Oman AirCheapest£394Average£772FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Gulf AirCheapest£419Average£533FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Etihad AirwaysCheapest£430Average£744FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Kuwait AirwaysCheapest£442Average£573FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
British AirwaysCheapest£464Average£651FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest£480Average£650FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
China SouthernCheapest£481Average£829FlexibilityNo cancel feeOn-time69%
Search China Southern flights

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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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