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Cheap flights from Portsmouth to Australia from £550

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
28 May — 4 Jun1
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 28 April 2026.

Tue 10/1120:00
SOU
-
SYD
2 stops34h 55m
Multiple Airlines
Thu 26/1121:30
SYD
-
SOU
2 stops30h 05m
Multiple Airlines
Deal found 26/4£1,030
Tue 28/420:00
SOU
-
MEL
2 stops60h 15m
Qatar Airways
Tue 5/522:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 23/4£1,039
Mon 8/620:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Mon 15/622:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 24/4£1,087
Thu 11/609:20
SOU
-
MEL
2 stops46h 55m
Qatar Airways
Thu 18/622:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 27/4£1,093
Thu 11/609:20
SOU
-
SYD
2 stops47h 10m
Qatar Airways
Thu 18/614:50
SYD
-
SOU
2 stops37h 40m
Qatar Airways
Deal found 27/4£1,094
Tue 26/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Tue 16/616:10
MEL
-
SOU
2 stops36h 20m
Multiple Airlines
Deal found 28/4£1,144
Tue 12/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Mon 6/722:45
MEL
-
SOU
2 stops53h 45m
Multiple Airlines
Deal found 27/4£1,148
Mon 8/617:20
SOU
-
SYD
2 stops52h 05m
KLM
Mon 15/613:05
SYD
-
SOU
2 stops28h 30m
KLM
Deal found 24/4£1,156
Mon 11/520:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Tue 7/722:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 27/4£1,168
Mon 11/520:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Mon 6/722:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 27/4£1,175
Mon 25/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Mon 15/622:45
MEL
-
SOU
2 stops42h 20m
Multiple Airlines
Deal found 27/4£1,178
Fri 22/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Fri 12/622:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 24/4£1,182

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 28 April 2026.

Round-trip from

£1,087

One-way from

£550

Popular in

December

Cheapest in

May

Average price

£952
Qatar Airways
  • Qatar Airways
  • 8/6-15/6
  • 4 total stops
  • 90h 00m total
  • Portsmouth to Australia
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 31h 45m total
  • Portsmouth to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 28 April 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

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 26/5

20:00-17:15

2 stops36h 15m

Melbourne

Tue 16/6

16:10-19:30

2 stops36h 20m

£1,144

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Wed 10/6

20:00-17:30

2 stops60h 30m

Sydney Kingsford Smith

Wed 17/6

14:50-19:30

2 stops37h 40m

£1,202

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 4/6

20:00-17:15

2 stops36h 15m

Melbourne

Wed 1/7

22:45-19:30

2 stops29h 45m

£1,213

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 4/6

20:00-17:15

2 stops36h 15m

Melbourne

Tue 30/6

22:45-19:30

2 stops29h 45m

£1,213

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 1/6

20:00-17:15

2 stops36h 15m

Melbourne

Sat 27/6

22:45-19:30

2 stops53h 45m

£1,241

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 5/6

20:00-17:15

2 stops60h 15m

Melbourne

Thu 2/7

22:45-19:30

2 stops53h 45m

£1,252

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 2/6

20:00-17:15

2 stops36h 15m

Melbourne

Wed 1/7

22:45-19:30

2 stops29h 45m

£1,260

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Fri 4/9

20:00-16:50

2 stops35h 50m

Melbourne

Sat 26/9

22:45-19:30

2 stops53h 45m

£1,267

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 16/5

20:00-17:15

2 stops36h 15m

Melbourne

Wed 20/5

22:45-19:30

2 stops29h 45m

£1,282

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sun 25/10

20:00-23:20

2 stops40h 20m

Melbourne

Wed 4/11

16:10-19:30

2 stops38h 20m

£1,291

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 49 resultsSorted by cheapest first
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2
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5

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 28 April 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 28 April 2026.

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 28 April 2026.
Read through reviews of airlines operating flights from Portsmouth to Australia, such as Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.3
Good
1,435 reviews
Check prices

Crew

7.8

Comfort

7.3

Entertainment

7.2

Boarding

7.6

Overall

7.3

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

TRV - AUH

I liked the choice of food. The passenger next to me was continuously asking for wine to drink and thus was drunk which was uncomfortable.
Etihad Airways
7.3
Good
1,435 reviews
Etihad Airways
7.3
Good
1,435 reviews
Check prices

Crew

7.8

Comfort

7.3

Entertainment

7.2

Boarding

7.6

Overall

7.3

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

TRV - AUH

I liked the choice of food. The passenger next to me was continuously asking for wine to drink and thus was drunk which was uncomfortable.

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 31h 20m. Airlines will cover a distance of 10620 mi. This flight may include one or multiple stops.

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

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

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,275 for a flight from Portsmouth to Australia. The cheapest flight overall is £618 while the most popular route, (Southampton Eastleigh - Sydney Kingsford Smith) is currently priced at £1,094.

  • 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

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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.
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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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£132Average£180FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£202Average£709FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£381Average£865FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£465Average£892FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Royal Brunei AirlinesCheapest£650Average£818FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Asiana AirlinesCheapest£672Average£1,398FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£673Average£1,050FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Vietnam AirlinesCheapest£719Average£1,028FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
China AirlinesCheapest£734Average£878FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
LufthansaCheapest£757Average£1,058FlexibilityNo 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.

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