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£26+ Cheap flights from Portsmouth

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — IST
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Find flights from Portsmouth within your budget

 
Find flights departing from Portsmouth that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 May 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Fri 11/9

12:20-13:35

Nonstop1h 15m

Belfast Intl

Sun 13/9

10:50-12:05

Nonstop1h 15m

£65

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 8/6

12:25-13:40

Nonstop1h 15m

Belfast Intl

Mon 22/6

10:35-11:50

Nonstop1h 15m

£74

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 8/6

12:25-13:40

Nonstop1h 15m

Belfast Intl

Sun 14/6

10:50-12:05

Nonstop1h 15m

£79

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Tue 8/9

13:25-14:45

Nonstop1h 20m

Glasgow Intl

Wed 9/9

08:55-10:15

Nonstop1h 20m

£83

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Mon 8/6

12:25-13:40

Nonstop1h 15m

Belfast Intl

Mon 15/6

10:35-11:50

Nonstop1h 15m

£85

SouthamptonBelfast

SOU - BFS

SOUBFS

Southampton Eastleigh

Sat 13/6

07:50-08:05

1 stop24h 15m

Belfast Intl

Mon 15/6

10:35-11:50

Nonstop1h 15m

£88

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Sun 11/10

10:00-11:20

Nonstop1h 20m

Glasgow Intl

Sat 17/10

06:00-07:20

Nonstop1h 20m

£88

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Mon 14/9

12:55-14:15

Nonstop1h 20m

Glasgow Intl

Tue 15/9

11:30-12:50

Nonstop1h 20m

£88

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Sat 4/7

07:50-09:10

Nonstop1h 20m

Glasgow Intl

Wed 8/7

10:40-12:00

Nonstop1h 20m

£91

SouthamptonGlasgow

SOU - GLA

SOUGLA

Southampton Eastleigh

Mon 1/6

12:55-14:15

Nonstop1h 20m

Glasgow Intl

Fri 5/6

06:05-07:25

Nonstop1h 20m

£93

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Portsmouth

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

Travel insights for flights from Portsmouth

Get recent, data-driven insights about flights from Portsmouth including ideal travel times, pricing trends, and more.

When is the cheapest time to fly from Portsmouth?

Use this chart to determine the cheapest time to fly return from Portsmouth to Istanbul. Price data was last updated on 9 May 2026.

Those who are seeking the cheapest fare on flights departing from Portsmouth would be wise to consider leaving during Wednesday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Tuesday afternoons when fares are usually the most expensive.

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Related info for your journey

Access useful and relevant information related to your journey from Portsmouth. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 May 2026.

  • What is the cheapest airport to fly out of Portsmouth?

    Milan Malpensa airport offers the cheapest routes to Edinburgh, from £22; whereas London Luton airport is typically cheaper if you're flying to Accra, from £22. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • Where are the cheapest places to fly to from Portsmouth?

    Check out the cheapest flights from Portsmouth to embark to:
    Travel from Milan to London from £22 round trip
    Travel from London to Faro from £22 round trip
    Travel from London to Milan from £22 round trip
    Travel from London to Bilbao from £22 round trip
    Travel from London to Seville from £22 round trip

  • How does Cheapflights help users find flights from Portsmouth?

    Cheapflights makes it easy to find flights from Portsmouth by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

    Cheapflights helps you find that perfect flight from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Portsmouth with no change fees?

    Need flexible booking options for your flight from Portsmouth ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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How does Cheapflights help users find flights from Portsmouth?

Cheapflights makes it easy to find flights from Portsmouth by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight from Portsmouth by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portsmouth with no change fees?

Need flexible booking options for your flight from Portsmouth ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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