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Cheap flights from Portsmouth to Australia from £570

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£901

One-way from

£570

Popular in

December

Cheapest in

May

Average price

£1,002
1/3-8/3
  • 1/3-8/3
  • 6 total stops
  • 82h 15m total
  • Portsmouth to Australia
Search Deals
7/4
  • 7/4
  • 2 total stops
  • 49h 10m total
  • Portsmouth to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£69 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 January 2026
Search Deals

Find 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 16 January 2026.

Sun 1/309:30
SOU
-
PER
3 stops36h 10m
Multiple Airlines
Sun 8/305:35
PER
-
SOU
3 stops46h 05m
Multiple Airlines
Deal found 15/1£901
Mon 2/314:35
SOU
-
MEL
2 stops32h 50m
Multiple Airlines
Mon 9/318:20
MEL
-
SOU
2 stops32h 15m
Multiple Airlines
Deal found 15/1£941
Sun 1/309:30
SOU
-
SYD
2 stops34h 05m
Multiple Airlines
Sun 8/316:35
SYD
-
SOU
2 stops34h 00m
Multiple Airlines
Deal found 15/1£980
Wed 18/212:00
SOU
-
SYD
2 stops31h 35m
Multiple Airlines
Fri 27/221:45
SYD
-
SOU
2 stops30h 00m
Multiple Airlines
Deal found 14/1£986
Sat 28/209:30
SOU
-
ADL
3 stops34h 15m
Multiple Airlines
Sat 7/306:25
ADL
-
SOU
3 stops47h 45m
Multiple Airlines
Deal found 14/1£998
Tue 1/917:20
SOU
-
SYD
2 stops28h 25m
KLM
Tue 10/1116:15
SYD
-
SOU
2 stops35h 45m
KLM
Deal found 14/1£1,046
Tue 17/212:25
SOU
-
PER
3 stops29h 00m
Multiple Airlines
Tue 24/205:35
PER
-
SOU
3 stops42h 00m
Multiple Airlines
Deal found 14/1£1,059
Sat 28/209:25
SOU
-
MEL
2 stops38h 00m
Multiple Airlines
Sat 7/312:25
MEL
-
SOU
2 stops54h 55m
Multiple Airlines
Deal found 14/1£1,063
Tue 10/217:35
SOU
-
SYD
2 stops26h 50m
KLM
Tue 17/211:30
SYD
-
SOU
2 stops40h 35m
KLM
Deal found 14/1£1,087
Tue 17/216:05
SOU
-
MEL
2 stops26h 40m
Multiple Airlines
Tue 24/217:10
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 15/1£1,099
Sat 28/209:30
SOU
-
SYD
2 stops45h 25m
Multiple Airlines
Sat 7/321:45
SYD
-
SOU
2 stops46h 00m
Multiple Airlines
Deal found 14/1£1,106
Thu 12/220:10
SOU
-
MEL
2 stops46h 35m
Qatar Airways
Thu 5/316:10
MEL
-
SOU
2 stops34h 25m
Qatar Airways
Deal found 15/1£1,113

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 16 January 2026.
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

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 2/3

14:35-10:25

2 stops32h 50m

Melbourne

Mon 9/3

18:20-15:35

2 stops32h 15m

£941

SouthamptonAdelaide

SOU - ADL

SOUADL

Southampton Eastleigh

Sat 28/2

09:30-06:15

3 stops34h 15m

Adelaide

Sat 7/3

06:25-19:40

3 stops47h 45m

£998

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sun 1/3

16:05-10:40

3 stops31h 35m

Sydney Kingsford Smith

Sun 8/3

16:35-15:35

2 stops34h 00m

£1,018

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 28/2

09:25-10:25

2 stops38h 00m

Melbourne

Sat 7/3

12:25-08:20

2 stops54h 55m

£1,063

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 10/2

17:35-07:25

2 stops26h 50m

Sydney Kingsford Smith

Tue 17/2

11:30-17:05

2 stops40h 35m

£1,087

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 17/2

16:05-05:45

2 stops26h 40m

Melbourne

Tue 24/2

17:10-11:55

2 stops29h 45m

£1,099

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Thu 12/2

20:10-05:45

2 stops46h 35m

Melbourne

Thu 5/3

16:10-15:35

2 stops34h 25m

£1,113

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 11/3

12:25-23:20

2 stops47h 55m

Melbourne

Sun 15/3

16:10-15:35

2 stops34h 25m

£1,144

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 28/2

09:25-07:00

3 stops34h 35m

Sydney Kingsford Smith

Sat 7/3

21:45-17:45

2 stops31h 00m

£1,148

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Thu 12/2

16:05-06:50

2 stops27h 45m

Sydney Kingsford Smith

Thu 5/3

15:50-15:35

2 stops34h 45m

£1,155

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 48 results
1
2
3
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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 month to book a flight from Portsmouth to Australia?

Currently, February is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £333). Flying from Portsmouth to Australia in July is currently the most expensive (average of £744). 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 16 January 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 16 January 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 16 January 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
1,370 reviews
Check prices

Crew

7.8

Entertainment

7.2

Food

7.2

Overall

7.3

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.
Etihad Airways
7.3
Good
1,370 reviews
Etihad Airways
7.3
Good
1,370 reviews
Check prices

Crew

7.8

Entertainment

7.2

Food

7.2

Overall

7.3

Boarding

7.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.

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 26h 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 - Perth and Southampton Eastleigh - Brisbane.

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,365 for a flight from Portsmouth to Australia. The cheapest flight overall is £668 while the most popular route, (Southampton Eastleigh - Sydney Kingsford Smith) is currently priced at £980.

  • 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, February is the cheapest month in which you can book a flight from Portsmouth to Australia (average of £333). Flying from Portsmouth to Australia in July is currently the most expensive (average of £744). 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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£128Average£177FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Beijing Capital AirlinesCheapest£320Average£605FlexibilityNo cancel feeOn-timeN/A
Search Beijing Capital Airlines flights
Hainan AirlinesCheapest£336Average£715FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£486Average£949FlexibilityNo cancel feeOn-time67%
Search Air China flights
Oman AirCheapest£496Average£1,345FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Turkish AirlinesCheapest£633Average£933FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Royal Brunei AirlinesCheapest£638Average£782FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Vietnam AirlinesCheapest£726Average£1,100FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
SWISSCheapest£736Average£952FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£756Average£1,251FlexibilityNo cancel feeOn-time77%
Search Air France 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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