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Cheap flights from Portsmouth to Istanbul from £190

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Istanbul
Explore the most affordable flight options available from Portsmouth to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Thu 14/509:05
SOU
-
IST
1 stop14h 15m
KLM
Thu 21/506:00
IST
-
SOU
1 stop28h 35m
KLM
Deal found 30/3£239
Sat 2/518:10
SOU
-
IST
2 stops17h 00m
Multiple Airlines
Wed 6/506:45
IST
-
SOU
1 stop10h 15m
Multiple Airlines
Deal found 28/3£266
Thu 14/512:35
SOU
-
IST
2 stops22h 35m
Multiple Airlines
Thu 21/521:30
IST
-
SOU
1 stop13h 15m
Multiple Airlines
Deal found 30/3£270
Tue 12/517:20
SOU
-
IST
1 stop6h 00m
KLM
Tue 19/517:20
IST
-
SOU
1 stop17h 15m
KLM
Deal found 28/3£274
Wed 8/412:30
SOU
-
SAW
2 stops17h 30m
Multiple Airlines
Sat 18/410:20
SAW
-
SOU
1 stop11h 10m
Multiple Airlines
Deal found 29/3£275
Wed 8/417:20
SOU
-
IST
1 stop21h 00m
KLM
Sat 18/417:20
IST
-
SOU
1 stop17h 25m
KLM
Deal found 29/3£308
Mon 29/617:20
SOU
-
IST
1 stop6h 00m
KLM
Mon 6/717:20
IST
-
SOU
1 stop17h 25m
KLM
Deal found 28/3£309
Tue 5/509:05
SOU
-
IST
1 stop14h 15m
KLM
Thu 7/517:20
IST
-
SOU
1 stop17h 15m
KLM
Deal found 1/4£311
Tue 5/512:35
SOU
-
IST
2 stops13h 00m
Multiple Airlines
Thu 7/521:30
IST
-
SOU
1 stop13h 15m
Multiple Airlines
Deal found 1/4£316
Fri 3/417:20
SOU
-
IST
1 stop6h 00m
KLM
Mon 6/417:20
IST
-
SOU
1 stop17h 15m
KLM
Deal found 28/3£318
Fri 15/517:20
SOU
-
IST
1 stop6h 00m
KLM
Fri 22/517:20
IST
-
SOU
1 stop17h 25m
KLM
Deal found 31/3£327
Mon 6/409:05
SOU
-
IST
1 stop14h 15m
KLM
Mon 13/406:00
IST
-
SOU
1 stop28h 35m
KLM
Deal found 1/4£333

Find flight deals from Portsmouth to Istanbul

Keep the following information in mind while searching for Portsmouth to Istanbul flight deals. Data was last updated 2 April 2026.

Round-trip from

£239

One-way from

£190

Popular in

August

Cheapest in

January

Average price

£205
KLM
  • KLM
  • 14/5-21/5
  • 2 total stops
  • 42h 50m total
  • Portsmouth to Istanbul
Search Deals
15/7
  • 15/7
  • 1 total stop
  • 10h 35m total
  • Portsmouth to Istanbul
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Istanbul 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 2 April 2026.
Use the filters below to find and compare flights from Portsmouth to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Mon 29/6

17:20-01:20

1 stop6h 00m

Istanbul

Mon 6/7

17:20-08:45

1 stop17h 25m

£309

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 5/5

12:35-03:35

2 stops13h 00m

Istanbul

Thu 7/5

21:30-08:45

1 stop13h 15m

£316

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Sat 2/5

20:05-14:25

1 stop16h 20m

Istanbul

Wed 6/5

06:45-15:00

1 stop10h 15m

£329

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 12/5

09:20-02:05

2 stops14h 45m

Istanbul

Mon 18/5

03:45-19:30

2 stops17h 45m

£350

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Fri 15/5

18:20-13:10

2 stops16h 50m

Istanbul

Fri 22/5

13:25-19:30

1 stop8h 05m

£412

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 11/8

12:35-00:25

2 stops9h 50m

Istanbul

Mon 17/8

20:15-17:40

2 stops23h 25m

£515

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 29/9

08:55-00:25

2 stops13h 30m

Istanbul

Tue 20/10

19:55-14:45

2 stops20h 50m

£521

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 5/5

06:50-00:25

2 stops15h 35m

Istanbul

Fri 8/5

20:30-16:15

2 stops21h 45m

£531
Cheapest one-way

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Wed 15/7

14:20-17:20

1 stop25h 00m

£217

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Wed 20/5

14:25-00:25

2 stops32h 00m

£281

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul 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 Istanbul

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

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Istanbul (average of £53). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £115). 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 IST?

Find hourly flight availability from Portsmouth to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2026.

It’s typically best to fly out from Portsmouth to Istanbul in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Istanbul. Price data was last updated on 28 March 2026.

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

Weekly flight availability from Portsmouth to Istanbul

Explore weekly flight availability from Portsmouth to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 April 2026.

The most flights from P0R to TR5 are scheduled on a Tuesday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Related info for your journey

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

  • How long is the flight from Portsmouth to Istanbul?

    Airlines like KLM fly from Portsmouth to Istanbul in about 6h. The time it takes to get you to your destination can typically vary by up to . Portsmouth and Istanbul are separated by a distance of 1573 mi.

  • What are the most reliable airlines from Portsmouth to Istanbul?

    Consider Icelandair (97%), LATAM Airlines (95%) or Avianca (93%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Istanbul.

  • What are the cheapest flights from Portsmouth to Istanbul?

    Looking for the cheapest flight from Portsmouth to Istanbul? While on average our users pay £1,164, our data indicates the cheapest price to be £133. The most popular route (Southampton Eastleigh - Istanbul), is priced around £239.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Portsmouth to Istanbul (average of £53). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £115). 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

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Alternative routes for Portsmouth to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Istanbul flights
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Luton to Antalya flights
Heathrow to Dalaman flights
Birmingham to Sabiha Gokcen flights
Southend to Sabiha Gokcen flights
Gatwick to Dalaman flights
Stansted to Izmir flights
London City to Antalya flights
Stansted to Dalaman flights
Manchester to Antalya flights
Edinburgh to Istanbul flights
Luton to Dalaman flights
Birmingham to Antalya flights
Heathrow to Izmir flights
Stansted to Ankara flights
Edinburgh to Sabiha Gokcen flights
Birmingham to Dalaman flights
London City to Izmir flights
Edinburgh to Dalaman flights
Gatwick to Izmir flights
Edinburgh to Antalya flights
Bristol to Antalya flights
Heathrow to Bodrum flights
Gatwick to Ankara flights
Heathrow to Ankara flights
Bristol to Dalaman flights
Luton to Izmir flights
Gatwick to Bodrum flights
Bristol to Istanbul flights
Liverpool to Dalaman flights
Newcastle upon Tyne to Dalaman flights
Newcastle upon Tyne to Antalya flights
Southampton to Istanbul flights

Top 10 airlines flying from Portsmouth to Istanbul

Discover the top 10 airlines that operate flights from Portsmouth to Istanbul. 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£35Average£151FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£41Average£146FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£53Average£141FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Aegean AirlinesCheapest£94Average£247FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£97Average£175FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£128Average£172FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
Turkish AirlinesCheapest£130Average£232FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£142Average£250FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£147Average£206FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£155Average£376FlexibilityNo cancel feeOn-time75%
Search KLM 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 Istanbul?

Deals for Portsmouth to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Istanbul for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Istanbul, users can toggle the no change fees filter when performing a flight search.

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

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

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