Find flights
When to book
FAQs

Cheap flights from Portsmouth to Australia from £620

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Australia

Enter your travel dates to find the best prices.

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 30 May 2026.

Tue 23/620:00
SOU
-
MEL
2 stops41h 05m
Qatar Airways
Tue 14/722:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 26/5£1,064
Wed 24/620:00
SOU
-
SYD
2 stops49h 10m
Qatar Airways
Wed 15/714:50
SYD
-
SOU
2 stops37h 40m
Qatar Airways
Deal found 27/5£1,074
Tue 23/620:00
SOU
-
SYD
2 stops36h 10m
Qatar Airways
Tue 14/714:50
SYD
-
SOU
2 stops37h 40m
Qatar Airways
Deal found 26/5£1,078
Wed 26/820:00
SOU
-
MEL
2 stops35h 50m
Qatar Airways
Wed 16/916:10
MEL
-
SOU
2 stops36h 20m
Qatar Airways
Deal found 27/5£1,113
Tue 25/820:00
SOU
-
MEL
2 stops35h 50m
Qatar Airways
Tue 15/916:10
MEL
-
SOU
2 stops36h 20m
Qatar Airways
Deal found 26/5£1,115
Sat 4/720:00
SOU
-
MEL
2 stops35h 50m
Qatar Airways
Sat 11/722:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 26/5£1,119
Mon 15/609:20
SOU
-
MEL
2 stops27h 45m
Multiple Airlines
Mon 29/622:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 28/5£1,123
Sun 14/609:20
SOU
-
MEL
2 stops27h 45m
Qatar Airways
Fri 19/622:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 29/5£1,133
Tue 23/620:00
SOU
-
CBR
3 stops40h 55m
Qatar Airways
Tue 30/618:50
CBR
-
SOU
3 stops33h 40m
Qatar Airways
Deal found 26/5£1,134
Mon 15/620:00
SOU
-
MEL
2 stops41h 05m
Qatar Airways
Mon 29/622:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 28/5£1,139
Mon 2/1120:00
SOU
-
MEL
2 stops40h 20m
Qatar Airways
Mon 30/1116:10
MEL
-
SOU
2 stops38h 20m
Qatar Airways
Deal found 25/5£1,145
Wed 1/709:20
SOU
-
SYD
2 stops35h 50m
Qatar Airways
Sun 12/714:50
SYD
-
SOU
2 stops37h 40m
Qatar Airways
Deal found 27/5£1,151

Find flight deals from Portsmouth to Australia

Keep the following information in mind while searching for Portsmouth to Australia flight deals. Data was last updated 30 May 2026.

Round-trip from

£1,064

One-way from

£620

Popular in

December

Cheapest in

May

Average price

£841
Qatar Airways
  • Qatar Airways
  • 23/6-14/7
  • 4 total stops
  • 94h 50m total
  • Portsmouth to Australia
Search Deals
Qatar Airways
  • Qatar Airways
  • 18/8
  • 2 total stops
  • 35h 50m total
  • Portsmouth to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 30 May 2026.
Use the filters below to find and compare flights from Portsmouth to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 24/6

20:00-06:10

2 stops49h 10m

Sydney Kingsford Smith

Wed 15/7

14:50-19:30

2 stops37h 40m

£1,074

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 23/6

20:00-17:10

2 stops36h 10m

Sydney Kingsford Smith

Tue 14/7

14:50-19:30

2 stops37h 40m

£1,078

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 4/7

20:00-16:50

2 stops35h 50m

Melbourne

Sat 11/7

22:45-19:30

2 stops53h 45m

£1,119

SouthamptonCanberra

SOU - CBR

SOUCBR

Southampton Eastleigh

Tue 23/6

20:00-21:55

3 stops40h 55m

Canberra

Tue 30/6

18:50-19:30

3 stops33h 40m

£1,134

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 15/6

20:00-22:05

2 stops41h 05m

Melbourne

Mon 29/6

22:45-19:30

2 stops29h 45m

£1,139

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 1/7

09:20-06:10

2 stops35h 50m

Sydney Kingsford Smith

Sun 12/7

14:50-19:30

2 stops37h 40m

£1,151

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 27/6

17:20-06:10

2 stops27h 50m

Sydney Kingsford Smith

Sat 18/7

14:50-19:30

2 stops37h 40m

£1,157

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 28/8

20:00-16:50

2 stops35h 50m

Melbourne

Fri 18/9

15:10-19:30

2 stops37h 20m

£1,172

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 22/6

09:20-22:05

2 stops27h 45m

Melbourne

Mon 13/7

22:45-19:30

2 stops53h 45m

£1,174

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 3/9

20:00-16:50

2 stops59h 50m

Melbourne

Fri 18/9

15:10-19:30

2 stops37h 20m

£1,191

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 52 resultsSorted by cheapest first
1
2
3
...
6

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 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 30 May 2026.

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 30 May 2026.

The most flights from P0R to AU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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.

  • How long is the flight from Portsmouth to Australia?

    Departing from Portsmouth to Australia will take you 49h 10m. Airlines will cover a distance of 10620 mi.

  • What are the most popular routes from Portsmouth to Australia?

    The most popular flight routes from Portsmouth to Australia are Southampton Eastleigh - Melbourne, Southampton Eastleigh - Sydney Kingsford Smith and Southampton Eastleigh - Brisbane.

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,343 for a flight from Portsmouth to Australia. The cheapest flight overall is £678 while the most popular route, (Southampton Eastleigh - Melbourne) is currently priced at £1,123.

  • 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.

See more FAQs

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.

Alternative routes for Portsmouth to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Sydney flights
Gatwick to Sydney flights
Heathrow to Melbourne flights
Stansted to Sydney flights
Heathrow to Perth flights
London City to Sydney flights
Gatwick to Melbourne flights
Stansted to Melbourne flights
Heathrow to Brisbane flights
London City to Melbourne flights
Gatwick to Brisbane flights
Gatwick to Perth flights
Heathrow to Auckland flights
Heathrow to Avalon flights
Manchester to Sydney flights
Stansted to Brisbane flights
Stansted to Perth flights
London City to Brisbane flights
London City to Perth flights
Gatwick to Auckland flights
Stansted to Auckland flights
Manchester to Melbourne flights
Heathrow to Nadi flights
Manchester to Brisbane flights
London City to Auckland flights
Manchester to Perth flights
Heathrow to Christchurch flights
Edinburgh to Sydney flights
Birmingham to Melbourne flights
Manchester to Avalon flights
Manchester to Auckland flights
Edinburgh to Melbourne flights
Gatwick to Nadi flights
Heathrow to Adelaide flights
Luton to Sydney flights
Birmingham to Sydney flights
Gatwick to Christchurch flights
Edinburgh to Brisbane flights
Stansted to Christchurch flights
Gatwick to Adelaide flights
Birmingham to Brisbane flights
Stansted to Adelaide flights
Newcastle upon Tyne to Sydney flights
Southampton to Melbourne flights
Stansted to Nadi flights
Edinburgh to Perth flights
London City to Adelaide flights
Heathrow to Papeete flights
Newcastle upon Tyne to Melbourne flights
Newcastle upon Tyne to Perth flights

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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£138Average£181FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£204Average£721FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£383Average£904FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£469Average£898FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
SWISSCheapest£654Average£1,081FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Royal Brunei AirlinesCheapest£655Average£853FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Asiana AirlinesCheapest£677Average£1,522FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Vietnam AirlinesCheapest£724Average£1,019FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
China AirlinesCheapest£739Average£891FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
LufthansaCheapest£751Average£1,060FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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 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.

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.