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Cheap flights from Portsmouth to Istanbul from £196

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
24 Apr — 1 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 25 March 2026.

Sun 7/617:20
SOU
-
IST
1 stop6h 00m
KLM
Sun 14/617:20
IST
-
SOU
1 stop17h 15m
KLM
Deal found 20/3£224
Thu 11/615:25
SOU
-
IST
2 stops19h 45m
Multiple Airlines
Thu 18/621:50
IST
-
SOU
1 stop12h 55m
Multiple Airlines
Deal found 20/3£243
Tue 5/517:20
SOU
-
IST
1 stop6h 00m
KLM
Tue 12/506:00
IST
-
SOU
1 stop28h 35m
KLM
Deal found 21/3£244
Wed 1/714:20
SOU
-
IST
1 stop7h 45m
Multiple Airlines
Tue 21/703:50
IST
-
SOU
1 stop11h 50m
Multiple Airlines
Deal found 20/3£270
Tue 19/517:20
SOU
-
IST
1 stop6h 00m
KLM
Thu 21/517:20
IST
-
SOU
1 stop17h 15m
KLM
Deal found 23/3£299
Fri 3/417:20
SOU
-
IST
1 stop6h 00m
KLM
Mon 6/406:00
IST
-
SOU
1 stop28h 35m
KLM
Deal found 22/3£302
Mon 30/317:20
SOU
-
IST
1 stop6h 00m
KLM
Mon 6/406:00
IST
-
SOU
1 stop28h 35m
KLM
Deal found 23/3£305
Mon 30/317:20
SOU
-
IST
1 stop6h 00m
KLM
Fri 10/417:20
IST
-
SOU
1 stop17h 25m
KLM
Deal found 20/3£310
Thu 11/611:40
SOU
-
SAW
2 stops14h 35m
Multiple Airlines
Thu 18/610:20
SAW
-
SOU
1 stop9h 20m
Multiple Airlines
Deal found 20/3£317
Sun 7/612:35
SOU
-
SAW
2 stops10h 10m
Multiple Airlines
Sun 14/608:30
SAW
-
SOU
1 stop26h 55m
Multiple Airlines
Deal found 20/3£347
Tue 31/306:50
SOU
-
SAW
1 stop9h 10m
Multiple Airlines
Wed 1/419:35
SAW
-
SOU
2 stops17h 30m
Multiple Airlines
Deal found 22/3£351
Mon 30/320:00
SOU
-
SAW
1 stop22h 25m
Multiple Airlines
Fri 10/406:35
SAW
-
SOU
2 stops27h 45m
Multiple Airlines
Deal found 20/3£355

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 25 March 2026.

Round-trip from

£224

One-way from

£196

Popular in

August

Cheapest in

January

Average price

£123
KLM
  • KLM
  • 7/6-14/6
  • 2 total stops
  • 23h 15m total
  • Portsmouth to Istanbul
Search Deals
8/5
  • 8/5
  • 1 total stop
  • 22h 25m total
  • Portsmouth to Istanbul
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 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

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 5/5

17:20-01:20

1 stop6h 00m

Istanbul

Tue 12/5

06:00-08:35

1 stop28h 35m

£244

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Wed 1/7

12:30-13:10

2 stops22h 40m

Istanbul

Wed 22/7

04:05-13:40

1 stop11h 35m

£277
Fastest return journey

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Thu 11/6

11:40-04:15

2 stops14h 35m

Istanbul Sabiha Gokcen

Thu 18/6

10:20-17:40

1 stop9h 20m

£322

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Fri 8/5

09:05-01:20

1 stop14h 15m

Istanbul

Fri 15/5

06:00-16:50

1 stop12h 50m

£340

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Sun 7/6

12:35-00:45

2 stops10h 10m

Istanbul Sabiha Gokcen

Sun 14/6

08:30-09:25

1 stop26h 55m

£347

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 5/5

13:25-13:10

2 stops21h 45m

Istanbul

Tue 12/5

13:25-19:30

1 stop8h 05m

£350

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 19/5

09:05-01:20

1 stop14h 15m

Istanbul

Thu 21/5

17:20-16:50

1 stop25h 30m

£379

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 19/5

09:20-02:05

2 stops14h 45m

Istanbul

Wed 20/5

03:45-19:30

2 stops17h 45m

£380

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Thu 11/6

12:35-02:05

2 stops11h 30m

Istanbul

Wed 17/6

03:45-17:40

2 stops15h 55m

£480

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Thu 7/5

14:25-00:40

2 stops32h 15m

Istanbul

Mon 11/5

19:00-20:45

2 stops27h 45m

£484

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

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 £52). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £114). 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 25 March 2026.

It’s typically best to fly out from Portsmouth to Istanbul in the evening. Doing so could potentially save you 32% 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 23 March 2026.

Travellers seeking maximum savings on their Portsmouth to Istanbul flight should consider departing on Wednesday mornings 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.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated 25 March 2026.
Read reviews from past customers who have flown with KLM from Portsmouth to Istanbul. 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.
KLM
7.8
Good
1,478 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,478 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.8

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 £962, our data indicates the cheapest price to be £129. The most popular route (Southampton Eastleigh - Istanbul), is priced around £245.

  • 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 £52). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £114). 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.
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London City to Antalya flights
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Edinburgh to Istanbul flights
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Heathrow to Bodrum flights
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Edinburgh to Antalya flights
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Gatwick to Bodrum flights
Bristol to Dalaman flights
Bristol to Istanbul flights
London City to Izmir flights
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Luton to Bodrum flights
Liverpool to Antalya flights
Southend to Dalaman flights
Edinburgh to Dalaman flights
Luton to Izmir 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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AjetCheapest£35Average£149FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Pegasus AirlinesCheapest£41Average£145FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
Wizz AirCheapest£53Average£140FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Aegean AirlinesCheapest£94Average£246FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Air SerbiaCheapest£96Average£174FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
KM Malta AirlinesCheapest£127Average£171FlexibilityNo cancel feeOn-time86%
Search KM Malta Airlines flights
Turkish AirlinesCheapest£129Average£229FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£140Average£243FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£146Average£180FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£152Average£352FlexibilityNo 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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