$79+ Cheap flights from Portsmouth

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/5. 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 — MEL
15 May — 22 May1
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 15 April 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 27/5

09:20-16:50

2 stops46h 30m

Sydney Kingsford Smith

Wed 3/6

15:40-16:50

2 stops34h 10m

$1,902

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 25/5

20:00-17:15

2 stops36h 15m

Melbourne

Mon 1/6

22:45-19:30

2 stops53h 45m

$2,014

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 25/4

09:20-17:15

2 stops46h 55m

Melbourne

Mon 4/5

22:45-19:30

2 stops29h 45m

$2,106

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 11/5

20:00-17:15

2 stops36h 15m

Melbourne

Mon 1/6

22:45-19:30

2 stops29h 45m

$2,151

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 19/5

20:00-17:15

2 stops36h 15m

Melbourne

Tue 30/6

15:10-19:30

2 stops37h 20m

$2,166

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Thu 24/9

09:20-16:50

2 stops46h 30m

Sydney Kingsford Smith

Thu 8/10

21:30-19:30

2 stops56h 00m

$2,218

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Wed 27/5

20:00-22:10

3 stops41h 40m

Adelaide

Wed 3/6

14:20-19:30

3 stops37h 40m

$2,279

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 12/5

09:10-17:15

2 stops47h 05m

Melbourne

Tue 2/6

22:45-19:30

2 stops29h 45m

$2,281

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Thu 28/5

20:00-11:05

3 stops54h 35m

Adelaide

Thu 4/6

18:20-19:30

3 stops33h 40m

$2,324

SouthamptonBrisbane

SOU - BNE

SOUBNE

Southampton Eastleigh

Tue 18/8

20:00-22:45

2 stops41h 45m

Brisbane

Tue 8/9

22:10-19:30

2 stops30h 20m

$2,378

Flights are sorted by cheapest return flights first.

Deals found on 11/4

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.

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

Currently, June is the cheapest month in which you can book a flight from Portsmouth (average of $947). Flying from Portsmouth in August will prove the most costly (average of $1,500). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 15 April 2026.

  • Which is the cheapest airport to catch a flight from Portsmouth?

    The cheapest routes to Jeju City can be found at Seoul Gimpo Intl airport from $24. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $38. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Portsmouth?

    Currently, the cheapest month for flights from Portsmouth is June. The most expensive month for flights is August. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    View the cheapest flight destinations from Portsmouth:
    Fly from Seoul to Jeju City from $24 round trip
    Fly from Madrid to London from $46 round trip
    Fly from London to Málaga from $53 round trip
    Fly from Paris to Lisbon from $72 round trip
    Fly from London to Split from $72 round trip

  • How does Cheapflights help users find flights from Portsmouth?

    Cheapflights helps you search for flights from Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

    Certainly. Search results for flights from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, Cheapflights offers price alerts on flights from Portsmouth so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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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?

Cheapflights helps you search for flights from Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portsmouth with no change fees?

Certainly. Search results for flights from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on flights from Portsmouth so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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