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Cheap flights from Portsmouth to Australia from £777

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
6 Jul — 13 Jul1
1 adult

Cheap flight deals from Portsmouth to Australia

Keep the following information in mind while searching for Portsmouth to Australia flight deals. Data was last updated 1 July 2025.

Round-trip from

£1,037

One-way from

£777

Popular in

December

Cheapest in

May

Average price

£1,194
31/10-31/1
  • 31/10-31/1
  • 4 total stops
  • 82h 15m total
  • Portsmouth to Australia
1/12
  • 1/12
  • 2 total stops
  • 27h 25m total
  • Portsmouth to Australia
Highest demand for flights based on searches. 9% potential increase in price (£75 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Portsmouth to Australia

Cheapest flights from Portsmouth to Australia
Explore the most affordable flight options available from Portsmouth to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Fri 31/1006:50SOU - SYD
2 stops37h 25mMultiple Airlines
Sat 31/111:05SYD - SOU
2 stops44h 50mMultiple Airlines
Deal found 29/6£1,037
Wed 13/809:10SOU - MEL
3 stops36h 05mMultiple Airlines
Wed 20/810:20MEL - SOU
3 stops42h 10mMultiple Airlines
Deal found 29/6£1,210
Fri 15/809:20SOU - PER
3 stops29h 25mMultiple Airlines
Fri 22/815:40PER - SOU
2 stops31h 05mMultiple Airlines
Deal found 30/6£1,310
Thu 14/808:30SOU - BNE
2 stops28h 50mMultiple Airlines
Thu 21/821:00BNE - SOU
2 stops31h 10mMultiple Airlines
Deal found 30/6£1,322
Tue 12/809:10SOU - ADL
2 stops46h 10mQatar Airways
Thu 4/911:40ADL - SOU
3 stops40h 20mQatar Airways
Deal found 29/6£1,495
Tue 30/909:20SOU - PER
2 stops32h 20mKLM
Sat 4/1015:50PER - SOU
2 stops23h 55mKLM
Deal found 30/6£1,578
Sat 5/717:35SOU - SYD
2 stops51h 50mKLM
Sat 12/709:50SYD - SOU
2 stops55h 55mKLM
Deal found 30/6£1,659
Fri 12/1220:10SOU - MEL
2 stops39h 55mQatar Airways
Wed 31/1223:30MEL - SOU
2 stops51h 05mQatar Airways
Deal found 29/6£1,784
Tue 18/1109:30SOU - BNE
2 stops27h 05mQatar Airways
Tue 2/1215:10BNE - SOU
2 stops38h 30mQatar Airways
Deal found 1/7£1,797
Fri 12/1217:20SOU - MEL
3 stops30h 55mKLM
Wed 31/1216:55MEL - SOU
2 stops34h 55mKLM
Deal found 1/7£1,861
Sat 27/1209:30SOU - SYD
2 stops34h 20mQatar Airways
Sat 28/215:50SYD - SOU
2 stops34h 45mQatar Airways
Deal found 30/6£1,957

Cheapflights Fare Finder

Customise your flight search to find flights from Portsmouth to Australia 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 1 July 2025.
Use the filters below to find and compare flights from Portsmouth to Australia that are best for you.

Fly from

Portsmouth

Fly to

Australia

Route

Depart

Return

Price

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Fri 31/10

06:50-07:15

2 stops37h 25m

Sydney Kingsford Smith

Sat 31/1

11:05-20:55

2 stops44h 50m

£1,037

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 13/8

09:10-06:15

3 stops36h 05m

Melbourne

Wed 20/8

10:20-19:30

3 stops42h 10m

£1,210

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Fri 15/8

09:20-21:45

3 stops29h 25m

Perth

Fri 22/8

15:40-15:45

2 stops31h 05m

£1,310

SouthamptonBrisbane

SOU - BNE

SOUBNE

Southampton Eastleigh

Thu 14/8

08:30-22:20

2 stops28h 50m

Brisbane

Thu 21/8

21:00-19:10

2 stops31h 10m

£1,322

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Tue 12/8

09:10-15:50

2 stops46h 10m

Adelaide

Thu 4/9

11:40-19:30

3 stops40h 20m

£1,495

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Tue 30/9

09:20-00:40

2 stops32h 20m

Perth

Sat 4/10

15:50-08:45

2 stops23h 55m

£1,578

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 12/12

20:10-23:05

2 stops39h 55m

Melbourne

Wed 31/12

23:30-15:35

2 stops51h 05m

£1,784

SouthamptonBrisbane

SOU - BNE

SOUBNE

Southampton Eastleigh

Tue 18/11

09:30-22:35

2 stops27h 05m

Brisbane

Tue 2/12

15:10-19:40

2 stops38h 30m

£1,797

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 12/12

17:20-11:15

3 stops30h 55m

Melbourne

Wed 31/12

16:55-16:50

2 stops34h 55m

£1,861

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 27/12

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Sat 28/2

15:50-15:35

2 stops34h 45m

£1,957

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portsmouth to Australia

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

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

Currently, May is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £985). Flying from Portsmouth to Australia in July is currently the most expensive (average of £1,708). 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 AU?

Find hourly flight availability from Portsmouth to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

When flying from Portsmouth to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portsmouth to Australia

Explore weekly flight availability from Portsmouth to Australia. 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 1 July 2025.

The most flights from P0R to AU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 1 July 2025.
Read through reviews of airlines operating flights from Portsmouth to Australia, such as KLM and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.2

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.

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.2

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.

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Food

7.2

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 Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Portsmouth to Australia?

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,113 for a flight from Portsmouth to Australia. The cheapest flight overall is £804 while the most popular route, (Southampton Eastleigh - Melbourne) is currently priced at £1,210.

  • Can I find deals for flights from Portsmouth to Australia that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Australia.

  • Can I find deals for business class flights from Portsmouth to Australia?

    Yes. Cheapflights offers flight deals from Portsmouth to Australia 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 Australia?

    Currently, May is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £985). Flying from Portsmouth to Australia in July is currently the most expensive (average of £1,708). 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 Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Australia

Discover the top 10 airlines that operate flights from Portsmouth to Australia. 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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£125Average£166FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Batik AirCheapest£127Average£201FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Hainan AirlinesCheapest£329Average£942FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Beijing Capital AirlinesCheapest£353Average£719FlexibilityNo cancel feeOn-timeN/A
Search Beijing Capital Airlines flights
SWISSCheapest£768Average£996FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£770Average£835FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Vietnam AirlinesCheapest£784Average£1,027FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Air FranceCheapest£785Average£1,139FlexibilityNo cancel feeOn-time77%
Search Air France flights
Oman AirCheapest£804Average£1,318FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air MauritiusCheapest£819Average£989FlexibilityNo cancel feeOn-time82%
Search Air Mauritius flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portsmouth to Australia?

When you search for this flight from Portsmouth to Australia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Australia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Australia with no change fees?

Need flexible booking options for your flight to Australia 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 to Australia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from Portsmouth today and book when prices fit your budget.

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