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Cheap flights from Portsmouth to Istanbul from £251

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
16 juil. — 23 juil.1
1 adult

Cheap flight deals from Portsmouth to Istanbul

Keep the following information in mind while searching for Portsmouth to Istanbul flight deals. Data was last updated 11 juillet 2025.

Round-trip from

£325

One-way from

£251

Popular in

August

Cheapest in

March

Average price

£235
24/7-27/7
  • 24/7-27/7
  • 3 total stops
  • 23h 35m total
  • Portsmouth to Istanbul
Search Deals
8/8
  • 8/8
  • 1 total stop
  • 19h 10m total
  • Portsmouth to Istanbul
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Portsmouth to Istanbul

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 11 juillet 2025.

jeu. 24/711:25SOU - IST
2 stops13h 50mMultiple Airlines
dim. 27/706:35IST - SOU
1 stop9h 45mMultiple Airlines
Deal found 10/7£325
jeu. 24/711:25SOU - SAW
2 stops18h 35mMultiple Airlines
dim. 27/716:30SAW - SOU
2 stops18h 40mMultiple Airlines
Deal found 10/7£366
sam. 23/817:35SOU - IST
1 stop20h 45mKLM
sam. 30/806:10IST - SOU
1 stop28h 35mKLM
Deal found 9/7£400
jeu. 30/1019:55SOU - IST
2 stops26h 15mBritish Airways
lun. 3/1118:40IST - SOU
2 stops16h 30mBritish Airways
Deal found 9/7£538
ven. 8/812:30SOU - SAW
2 stops24h 50mBritish Airways
lun. 11/815:00SAW - SOU
2 stops23h 00mBritish Airways
Deal found 11/7£760

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 11 juillet 2025.
Use the filters below to find and compare flights from Portsmouth to Istanbul that are best for you.

Fly from

Portsmouth

Fly to

Istanbul

Route

Depart

Return

Price

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

jeu. 24/7

11:25-03:15

2 stops13h 50m

Istanbul

dim. 27/7

06:35-14:20

1 stop9h 45m

£325

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

jeu. 24/7

11:25-08:00

2 stops18h 35m

Istanbul Sabiha Gokcen

dim. 27/7

16:30-09:10

2 stops18h 40m

£366

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

sam. 23/8

17:35-16:20

1 stop20h 45m

Istanbul

sam. 30/8

06:10-08:45

1 stop28h 35m

£400

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

jeu. 30/10

19:55-01:10

2 stops26h 15m

Istanbul

lun. 3/11

18:40-08:10

2 stops16h 30m

£538

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

ven. 8/8

12:30-15:20

2 stops24h 50m

Istanbul Sabiha Gokcen

lun. 11/8

15:00-12:00

2 stops23h 00m

£760

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

ven. 8/8

19:55-17:05

1 stop19h 10m

£251

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

jeu. 13/11

08:40-00:25

2 stops12h 45m

£288

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

mar. 29/7

19:55-15:20

2 stops17h 25m

£488

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

jeu. 13/11

20:10-19:05

2 stops43h 55m

£808

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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, January is the cheapest month in which you can book a flight from Portsmouth to Istanbul (average of £159). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £366). 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 11 juillet 2025.

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

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 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Istanbul flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday mornings 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 11 juillet 2025.

The most flights from P0R to TR5 are scheduled on a Wednesday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

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 11 juillet 2025.
Read reviews from past customers who have flown with KLM, Qatar Airways, andBritish Airways 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
1,372 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,596 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,109 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    Consider LATAM Airlines (89%), British Airways (85%) or American Airlines (84%) 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 £1,621, our data indicates the cheapest price to be £119. The most popular route (Southampton Eastleigh - Istanbul), is priced around £325.

  • 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, January is the cheapest month in which you can book a flight from Portsmouth to Istanbul (average of £159). Flying from Portsmouth to Istanbul in August is currently the most expensive (average of £366). 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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Luton to Bodrum flights
Southend to Antalya flights
Bristol to Istanbul flights
Heathrow to Ankara flights
Luton to Izmir flights
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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 11 juillet 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£91FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£44Average£110FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£52Average£150FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
AjetCheapest£73Average£190FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Air SerbiaCheapest£104Average£182FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£106Average£259FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£117Average£157FlexibilityNo cancel feeOn-time77%
Search Air France flights
LOTCheapest£138Average£235FlexibilityNo cancel feeOn-time81%
Search LOT flights
Aegean AirlinesCheapest£140Average£247FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Turkish AirlinesCheapest£147Average£229FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines 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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