$78+ 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 19/9. 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 — BNE
13 Sep — 20 Sep1
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 14 August 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 Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Tue 1/9

20:00-06:10

2 stops49h 10m

Sydney Kingsford Smith

Tue 8/9

20:50-08:40

2 stops44h 50m

$2,053

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 10/2

09:20-17:50

2 stops45h 30m

Melbourne

Wed 3/3

17:10-16:35

2 stops34h 25m

$2,058

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Tue 9/2

09:20-05:45

2 stops33h 25m

Melbourne

Tue 2/3

17:10-19:30

2 stops37h 20m

$2,066

SouthamptonSydney

SOU Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Mon 8/2

20:00-18:20

2 stops35h 20m

Sydney Kingsford Smith

Mon 1/3

15:50-19:30

2 stops38h 40m

$2,163

SouthamptonSydney

SOU Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Wed 10/2

09:20-18:20

2 stops46h 00m

Sydney Kingsford Smith

Wed 3/3

15:50-19:30

2 stops38h 40m

$2,168

SouthamptonSydney

SOU Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Tue 9/2

09:20-18:20

2 stops46h 00m

Sydney Kingsford Smith

Tue 2/3

15:50-19:30

2 stops38h 40m

$2,182

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 9/9

09:20-15:50

2 stops45h 30m

Melbourne

Tue 15/9

17:20-19:30

2 stops35h 10m

$2,189

SouthamptonSydney

SOU Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Thu 5/11

17:05-06:50

2 stops26h 45m

Sydney Kingsford Smith

Fri 20/11

22:10-16:35

2 stops29h 25m

$2,195

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Mon 7/9

09:20-16:50

2 stops46h 30m

Melbourne

Mon 28/9

22:45-19:30

2 stops29h 45m

$2,198

SouthamptonSydney

SOU Southampton Eastleigh - SYD Sydney Kingsford Smith

SOUSYD

Southampton Eastleigh

Thu 24/9

17:20-05:10

2 stops26h 50m

Sydney Kingsford Smith

Tue 29/9

09:50-08:35

2 stops55h 45m

$2,225

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 43 resultsSorted by cheapest first
1
2
3
...
5

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.

No data available for this route at this time. Please check back soon.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 14 August 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.

  • 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 $47 round trip
    Fly from London to Málaga from $54 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.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.