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Cheap flights from Portsmouth to Istanbul from £197

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IST
21 Jul — 28 Jul1
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 16 July 2025.

Round-trip from

£197

Popular in

August

Cheapest in

March

Average price

£255
3/10-10/10
  • 3/10-10/10
  • 2 total stops
  • 41h 00m total
  • Portsmouth to Istanbul
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£9 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 16 July 2025.

Fri 3/1019:25SOU - IST
1 stop26h 40mMultiple Airlines
Fri 10/1006:35IST - SOU
1 stop14h 20mMultiple Airlines
Deal found 15/7£197
Fri 3/1017:35SOU - IST
1 stop5h 45mKLM
Sat 11/1017:05IST - SOU
1 stop17h 40mKLM
Deal found 15/7£229
Fri 3/1019:25SOU - SAW
1 stop24h 25mMultiple Airlines
Fri 10/1013:35SAW - SOU
1 stop7h 20mMultiple Airlines
Deal found 15/7£246
Sat 4/1009:20SOU - SAW
1 stop11h 40mKLM
Sat 11/1012:45SAW - SOU
1 stop6h 45mKLM
Deal found 15/7£399
Mon 6/1008:55SOU - IST
2 stops13h 30mBritish Airways
Tue 7/1019:55IST - SOU
2 stops22h 10mBritish Airways
Deal found 15/7£474
Tue 30/908:55SOU - SAW
2 stops28h 25mBritish Airways
Mon 13/1015:00SAW - SOU
2 stops27h 05mBritish Airways
Deal found 15/7£502

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 16 July 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

Fri 3/10

19:25-00:05

1 stop26h 40m

Istanbul

Fri 10/10

06:35-18:55

1 stop14h 20m

£197

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Fri 3/10

17:35-01:20

1 stop5h 45m

Istanbul

Sat 11/10

17:05-08:45

1 stop17h 40m

£229

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Fri 3/10

19:25-21:50

1 stop24h 25m

Istanbul Sabiha Gokcen

Fri 10/10

13:35-18:55

1 stop7h 20m

£246

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Sat 4/10

09:20-23:00

1 stop11h 40m

Istanbul Sabiha Gokcen

Sat 11/10

12:45-17:30

1 stop6h 45m

£399

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Mon 6/10

08:55-00:25

2 stops13h 30m

Istanbul

Tue 7/10

19:55-16:05

2 stops22h 10m

£474

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Tue 30/9

08:55-15:20

2 stops28h 25m

Istanbul Sabiha Gokcen

Mon 13/10

15:00-16:05

2 stops27h 05m

£502

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 30/9

19:55-23:15

1 stop25h 20m

£253

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Sun 10/8

17:35-21:05

1 stop25h 30m

£278

SouthamptonIstanbul

SOU - SAW

SOUSAW

Southampton Eastleigh

Wed 23/7

10:50-07:55

2 stops19h 05m

£310

SouthamptonIstanbul

SOU - IST

SOUIST

Southampton Eastleigh

Tue 30/9

08:40-00:30

2 stops13h 50m

£312

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 13 results
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, 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 16 July 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 16 July 2025.

The most flights from P0R to TR5 are scheduled on a Monday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 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 16 July 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

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Crew

8.4

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

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
3,605 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
7,141 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Food

7.3

Comfort

7.7

Overall

7.8

Entertainment

7.1

Boarding

7.8

Crew

8.4

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 cheapest airlines to fly from Portsmouth to Istanbul one-way?

    One-way options have recently been found by users for as low as £278 on KLM. Other airlines that offer cheap prices include British Airways from £312 and Qatar Airways from £816 one-way.

  • 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 £1,662, our data indicates the cheapest price to be £128. The most popular route (Southampton Eastleigh - Istanbul), is priced around £197.

  • 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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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 16 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£25Average£92FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£45Average£113FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
Pegasus AirlinesCheapest£53Average£146FlexibilityNo cancel feeOn-time82%
Search Pegasus Airlines flights
AjetCheapest£73Average£201FlexibilityNo cancel feeOn-timeN/A
Search Ajet flights
Air SerbiaCheapest£106Average£184FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£107Average£261FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£119Average£159FlexibilityNo cancel feeOn-time77%
Search Air France flights
LOTCheapest£140Average£240FlexibilityNo cancel feeOn-time81%
Search LOT flights
Aegean AirlinesCheapest£141Average£251FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights
Turkish AirlinesCheapest£149Average£231FlexibilityNo 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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