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Cheap flights from Portsmouth to Australia from £498

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
16 Apr — 23 Apr1
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 17 March 2026.

Tue 21/420:00
SOU
-
SYD
2 stops49h 10m
Multiple Airlines
Tue 28/420:50
SYD
-
SOU
2 stops44h 50m
Multiple Airlines
Deal found 12/3£952
Thu 30/420:00
SOU
-
MEL
2 stops34h 50m
Multiple Airlines
Thu 7/517:20
MEL
-
SOU
2 stops35h 10m
Multiple Airlines
Deal found 16/3£952
Sat 27/620:00
SOU
-
SYD
2 stops49h 10m
Multiple Airlines
Sat 11/721:30
SYD
-
SOU
2 stops44h 10m
Multiple Airlines
Deal found 15/3£957
Mon 13/417:20
SOU
-
SYD
2 stops27h 50m
Multiple Airlines
Mon 20/415:40
SYD
-
SOU
2 stops36h 50m
Multiple Airlines
Deal found 15/3£958
Thu 4/620:00
SOU
-
SYD
2 stops49h 10m
Multiple Airlines
Thu 11/621:30
SYD
-
SOU
2 stops52h 20m
Multiple Airlines
Deal found 12/3£958
Tue 28/420:00
SOU
-
SYD
2 stops49h 10m
Multiple Airlines
Tue 5/515:40
SYD
-
SOU
2 stops36h 50m
Multiple Airlines
Deal found 14/3£961
Mon 27/417:20
SOU
-
MEL
2 stops37h 30m
Multiple Airlines
Mon 4/517:20
MEL
-
SOU
2 stops35h 10m
Multiple Airlines
Deal found 13/3£979
Sun 26/417:20
SOU
-
MEL
2 stops37h 30m
Multiple Airlines
Sun 3/517:20
MEL
-
SOU
2 stops48h 20m
Multiple Airlines
Deal found 12/3£994
Wed 29/420:00
SOU
-
MEL
2 stops34h 50m
Multiple Airlines
Wed 6/517:20
MEL
-
SOU
2 stops35h 10m
Multiple Airlines
Deal found 15/3£1,030
Tue 31/320:00
SOU
-
SYD
2 stops48h 35m
Multiple Airlines
Sun 12/415:40
SYD
-
SOU
2 stops34h 10m
Multiple Airlines
Deal found 14/3£1,034
Wed 3/620:00
SOU
-
SYD
2 stops35h 50m
Multiple Airlines
Fri 12/615:40
SYD
-
SOU
2 stops49h 55m
Multiple Airlines
Deal found 12/3£1,073
Thu 4/620:00
SOU
-
SYD
2 stops35h 50m
Multiple Airlines
Tue 9/615:40
SYD
-
SOU
2 stops36h 50m
Multiple Airlines
Deal found 12/3£1,095

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 17 March 2026.

Round-trip from

£952

One-way from

£498

Popular in

December

Cheapest in

May

Average price

£949
21/4-28/4
  • 21/4-28/4
  • 4 total stops
  • 94h 00m total
  • Portsmouth to Australia
Search Deals
16/5
  • 16/5
  • 3 total stops
  • 57h 10m total
  • Portsmouth to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£65 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 March 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 17 March 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

Thu 30/4

20:00-15:50

2 stops34h 50m

Melbourne

Thu 7/5

17:20-19:30

2 stops35h 10m

£952

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 3/9

09:10-04:55

2 stops34h 45m

Melbourne

Mon 28/9

22:45-19:30

2 stops53h 45m

£1,138

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 8/9

09:15-04:55

2 stops34h 40m

Melbourne

Fri 25/9

22:45-19:30

2 stops29h 45m

£1,162

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 5/9

09:10-04:55

2 stops34h 45m

Melbourne

Thu 24/9

22:45-19:30

2 stops53h 45m

£1,165

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 7/9

20:00-04:55

2 stops47h 55m

Melbourne

Sat 26/9

22:45-19:30

2 stops29h 45m

£1,214

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Wed 29/4

18:20-20:05

2 stops41h 15m

Adelaide

Wed 6/5

22:00-08:25

2 stops42h 55m

£1,268

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Sun 26/4

20:45-20:05

2 stops62h 50m

Adelaide

Sun 3/5

22:00-20:45

2 stops55h 15m

£1,299

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Mon 27/4

18:20-17:35

2 stops40h 15m

Perth

Mon 4/5

22:20-17:40

2 stops26h 20m

£1,317

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Tue 31/3

19:55-16:50

2 stops35h 25m

Adelaide

Tue 14/4

21:40-19:30

2 stops30h 20m

£1,369

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 4/6

20:00-22:05

2 stops41h 05m

Melbourne

Mon 8/6

15:45-19:30

2 stops36h 45m

£1,378

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
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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 month to book a flight from Portsmouth to Australia?

Currently, June is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £508). Flying from Portsmouth to Australia in July is currently the most expensive (average of £752). 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 17 March 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 17 March 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 17 March 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
1,426 reviews
Check prices

Comfort

7.3

Overall

7.3

Food

7.2

Entertainment

7.2

Boarding

7.6

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Eric,Feb 2026

AUH - SYD

Excellent ground a flight staff. So polite and helpful. No criticism to offer..
Etihad Airways
7.3
Good
1,426 reviews
Etihad Airways
7.3
Good
1,426 reviews
Check prices

Comfort

7.3

Overall

7.3

Food

7.2

Entertainment

7.2

Boarding

7.6

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Eric,Feb 2026

AUH - SYD

Excellent ground a flight staff. So polite and helpful. No criticism to offer..

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 28h 50m. 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 - Melbourne and Southampton Eastleigh - Brisbane.

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,350 for a flight from Portsmouth to Australia. The cheapest flight overall is £678 while the most popular route, (Southampton Eastleigh - Sydney Kingsford Smith) is currently priced at £957.

  • 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, June is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £508). Flying from Portsmouth to Australia in July is currently the most expensive (average of £752). 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.
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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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£134Average£179FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£206Average£674FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£392Average£916FlexibilityNo cancel feeOn-time67%
Search Air China flights
Oman AirCheapest£501Average£1,358FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Shenzhen AirlinesCheapest£670Average£1,040FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Royal Brunei AirlinesCheapest£672Average£812FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Asiana AirlinesCheapest£685Average£1,403FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£687Average£1,022FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Vietnam AirlinesCheapest£733Average£1,045FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Air New ZealandCheapest£775Average£1,238FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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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