$135+ 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 23/2. 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 — SYD
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Portsmouth

Discover essential information about flights departing from Portsmouth, including flight schedules, destinations, airlines operating at the Portsmouth airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 10 November 2025.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $151).
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Cheapest flights from Portsmouth
Explore the most affordable flight options available from Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 10 November 2025.

Mon 16/220:10SOU - SYD
2 stops58h 45mMultiple Airlines
Mon 23/216:35SYD - SOU
2 stops34h 00mMultiple Airlines
Deal found 8/11$2,002
Tue 10/216:05SOU - SYD
2 stops51h 30mMultiple Airlines
Tue 17/216:35SYD - SOU
2 stops34h 00mMultiple Airlines
Deal found 8/11$2,033
Mon 12/114:35SOU - PER
3 stops29h 55mMultiple Airlines
Tue 20/107:35PER - SOU
3 stops36h 20mMultiple Airlines
Deal found 9/11$2,287
Mon 1/1214:35SOU - SYD
2 stops32h 25mMultiple Airlines
Wed 31/1221:30SYD - SOU
2 stops45h 10mMultiple Airlines
Deal found 8/11$2,554
Sun 15/309:30SOU - SYD
2 stops34h 20mQatar Airways
Thu 19/315:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 7/11$2,648
Fri 20/320:10SOU - MEL
2 stops46h 35mQatar Airways
Mon 23/316:10MEL - SOU
2 stops34h 25mQatar Airways
Deal found 7/11$2,859
Sun 15/309:30SOU - PER
2 stops30h 25mKLM
Thu 19/310:30PER - SOU
2 stops38h 30mKLM
Deal found 7/11$2,995
Mon 29/1220:10SOU - MEL
2 stops40h 10mQatar Airways
Sat 17/117:10MEL - SOU
2 stops37h 30mQatar Airways
Deal found 8/11$3,061
Tue 31/309:10SOU - MEL
2 stops28h 00mQatar Airways
Thu 16/422:45MEL - SOU
2 stops29h 45mQatar Airways
Deal found 8/11$3,073
Sun 1/309:30SOU - CBR
3 stops35h 50mQatar Airways
Thu 5/312:30CBR - SOU
3 stops42h 10mQatar Airways
Deal found 7/11$3,104
Mon 12/109:25SOU - PER
2 stops30h 30mKLM
Tue 20/110:30PER - SOU
2 stops38h 35mKLM
Deal found 9/11$3,124
Sun 29/309:10SOU - MEL
2 stops28h 00mQatar Airways
Wed 15/422:45MEL - SOU
2 stops29h 45mQatar Airways
Deal found 8/11$3,152

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 10 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 10/2

12:25-06:35

2 stops55h 10m

Sydney Kingsford Smith

Tue 17/2

16:35-15:35

2 stops34h 00m

$2,037

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 16/2

14:35-06:35

2 stops29h 00m

Sydney Kingsford Smith

Mon 23/2

16:35-17:00

3 stops35h 25m

$2,374

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sun 15/3

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Thu 19/3

15:50-15:35

2 stops34h 45m

$2,648

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 20/3

20:10-05:45

2 stops46h 35m

Melbourne

Mon 23/3

16:10-15:35

2 stops34h 25m

$2,859

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 5/1

09:25-06:35

2 stops34h 10m

Sydney Kingsford Smith

Mon 26/1

15:55-17:00

2 stops36h 05m

$2,967

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Sun 15/3

09:30-23:55

2 stops30h 25m

Perth

Thu 19/3

10:30-17:00

2 stops38h 30m

$2,995

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Mon 5/1

09:25-06:35

2 stops34h 10m

Sydney Kingsford Smith

Mon 19/1

11:30-17:05

2 stops40h 35m

$3,004

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 29/12

20:10-23:20

2 stops40h 10m

Melbourne

Sat 17/1

17:10-19:40

2 stops37h 30m

$3,061

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 31/3

09:10-23:10

2 stops28h 00m

Melbourne

Tue 14/4

15:10-19:30

2 stops37h 20m

$3,073

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 31/3

09:10-23:10

2 stops28h 00m

Melbourne

Mon 13/4

15:10-19:30

2 stops37h 20m

$3,073

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 47 results
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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, February is the cheapest month in which you can book a flight from Portsmouth (average of $825). Flying from Portsmouth in July will prove the most costly (average of $1,614). 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 10 November 2025.

  • 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 $26. While Busan Gimhae airport is usually cheaper if your destination is Jeju City with prices starting at $42. 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 February. The most expensive month for flights is July. 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 $26 round trip
    Fly from Madrid to London from $51 round trip
    Fly from Melbourne to Sydney from $58 round trip
    Fly from Melbourne to Adelaide from $58 round trip
    Fly from London to Málaga from $58 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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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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