Find flights
When to book
Airlines
FAQs

Cheap flights from Portsmouth to Australia from £566

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYD
26 Nov — 3 Dec1
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 27 October 2025.

Round-trip from

£1,018

One-way from

£566

Popular in

December

Cheapest in

May

Average price

£902
10/2-17/2
  • 10/2-17/2
  • 4 total stops
  • 85h 30m total
  • Portsmouth to Australia
Search Deals
20/3
  • 20/3
  • 3 total stops
  • 54h 00m total
  • Portsmouth to Australia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£78 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 October 2025
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 27 October 2025.

Tue 9/1208:40SOU - PER
3 stops35h 50mMultiple Airlines
Mon 15/1203:35PER - SOU
3 stops42h 20mMultiple Airlines
Deal found 26/10£1,093
Tue 9/1208:40SOU - SYD
2 stops34h 55mMultiple Airlines
Tue 16/1210:20SYD - SOU
2 stops32h 50mMultiple Airlines
Deal found 25/10£1,102
Mon 8/1214:35SOU - MEL
2 stops32h 25mMultiple Airlines
Mon 15/1207:45MEL - SOU
3 stops44h 15mMultiple Airlines
Deal found 25/10£1,132
Mon 8/1209:30SOU - MEL
2 stops33h 15mQatar Airways
Mon 15/1217:10MEL - SOU
2 stops37h 30mQatar Airways
Deal found 25/10£1,255
Mon 10/1109:30SOU - SYD
2 stops34h 20mMultiple Airlines
Mon 17/1115:50SYD - SOU
2 stops31h 05mMultiple Airlines
Deal found 26/10£1,293
Sun 7/1209:30SOU - SYD
2 stops34h 05mMultiple Airlines
Sun 14/1207:15SYD - SOU
3 stops45h 10mMultiple Airlines
Deal found 27/10£1,294
Tue 9/1212:25SOU - PER
3 stops31h 50mMultiple Airlines
Sat 3/101:40PER - SOU
3 stops45h 55mMultiple Airlines
Deal found 26/10£1,313
Fri 5/1220:10SOU - SYD
2 stops47h 40mQatar Airways
Thu 22/115:50SYD - SOU
2 stops38h 50mQatar Airways
Deal found 25/10£1,327
Fri 7/1117:30SOU - SYD
3 stops38h 50mMultiple Airlines
Thu 15/121:15SYD - SOU
3 stops30h 50mMultiple Airlines
Deal found 26/10£1,331
Wed 10/1217:30SOU - MEL
3 stops27h 25mMultiple Airlines
Wed 17/1207:45MEL - SOU
3 stops35h 35mMultiple Airlines
Deal found 26/10£1,398
Thu 30/1014:35SOU - SYD
2 stops41h 15mMultiple Airlines
Thu 6/1121:40SYD - SOU
2 stops29h 10mMultiple Airlines
Deal found 24/10£1,406
Wed 10/1220:10SOU - MEL
2 stops40h 10mQatar Airways
Wed 17/1216:10MEL - SOU
2 stops62h 30mQatar Airways
Deal found 26/10£1,416

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 27 October 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

Tue 10/2

12:25-06:35

2 stops55h 10m

Sydney Kingsford Smith

Tue 17/2

16:35-11:55

2 stops30h 20m

£1,018

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 2/3

09:30-23:20

2 stops26h 50m

Melbourne

Wed 11/3

23:40-19:40

2 stops31h 00m

£1,019

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Mon 2/3

14:35-10:25

2 stops32h 50m

Melbourne

Wed 11/3

12:00-17:20

3 stops40h 20m

£1,041

SouthamptonPerth

SOU - PER

SOUPER

Southampton Eastleigh

Tue 9/12

08:40-04:30

3 stops35h 50m

Perth

Mon 15/12

03:35-13:55

3 stops42h 20m

£1,093

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Tue 9/12

08:40-06:35

2 stops34h 55m

Sydney Kingsford Smith

Tue 16/12

10:20-08:10

2 stops32h 50m

£1,102

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 14/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Mon 23/2

15:50-15:35

2 stops34h 45m

£1,168

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 14/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Tue 24/2

15:50-15:35

2 stops34h 45m

£1,168

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sun 15/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Tue 24/2

15:50-15:35

2 stops34h 45m

£1,168

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Sat 14/2

09:30-06:50

2 stops34h 20m

Sydney Kingsford Smith

Wed 25/2

15:50-15:35

2 stops34h 45m

£1,168

SouthamptonSydney

SOU - SYD

SOUSYD

Southampton Eastleigh

Fri 13/2

20:10-06:50

2 stops47h 40m

Sydney Kingsford Smith

Wed 25/2

15:50-15:35

2 stops34h 45m

£1,170

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 51 results
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 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 £498). Flying from Portsmouth to Australia in July is currently the most expensive (average of £790). 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 27 October 2025.

One of the essential ways to save on airfare from Portsmouth to Australia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 4% on airfare.

What is the cheapest day to fly from Portsmouth to Australia?

Use this chart to determine the cheapest time to fly return from Portsmouth to Australia. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Australia flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 27 October 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 27 October 2025.
Read through reviews of airlines operating flights from Portsmouth to Australia, such as KLM and Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Etihad Airways
7.4
Good
1,282 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Entertainment

7.1

Crew

8.4

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 10546 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 - Melbourne, Southampton Eastleigh - Sydney Kingsford Smith and Southampton Eastleigh - Perth.

  • What are the cheapest flights from Portsmouth to Australia?

    On average you can expect to pay £4,389 for a flight from Portsmouth to Australia. The cheapest flight overall is £950 while the most popular route, (Southampton Eastleigh - Melbourne) is currently priced at £1,019.

  • 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 £498). Flying from Portsmouth to Australia in July is currently the most expensive (average of £790). 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

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 Melbourne flights
Heathrow to Perth flights
Heathrow to Sydney flights
Heathrow to Auckland flights
Gatwick to Melbourne flights
Gatwick to Sydney flights
Stansted to Sydney flights
Stansted to Melbourne flights
London City to Melbourne flights
London City to Sydney flights
Gatwick to Auckland flights
Stansted to Auckland flights
Heathrow to Brisbane flights
Gatwick to Perth flights
Heathrow to Avalon flights
Stansted to Perth flights
London City to Perth flights
London City to Auckland flights
Gatwick to Brisbane flights
Manchester to Sydney flights
Stansted to Brisbane flights
Manchester to Melbourne flights
London City to Brisbane flights
Manchester to Brisbane flights
Manchester to Perth flights
Manchester to Auckland flights
Luton to Sydney flights
Heathrow to Christchurch flights
Gatwick to Avalon flights
Heathrow to Adelaide flights
Edinburgh to Melbourne flights
Heathrow to Nadi flights
Gatwick to Christchurch flights
Stansted to Christchurch flights
Birmingham to Sydney flights
Luton to Auckland flights
Luton to Perth flights
Gatwick to Adelaide flights
Stansted to Adelaide flights
Birmingham to Melbourne flights
Heathrow to Wellington flights
London City to Adelaide flights
Edinburgh to Perth flights
Edinburgh to Sydney flights
Manchester to Avalon flights
Luton to Brisbane flights
Edinburgh to Auckland flights
Newcastle upon Tyne to Melbourne flights
Birmingham to Brisbane flights
Birmingham to Auckland 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 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£129Average£178FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Beijing Capital AirlinesCheapest£330Average£646FlexibilityNo cancel feeOn-timeN/A
Search Beijing Capital Airlines flights
Hainan AirlinesCheapest£339Average£921FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£646Average£780FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Vietnam AirlinesCheapest£742Average£1,044FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
SWISSCheapest£744Average£1,005FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£749Average£848FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air New ZealandCheapest£757Average£1,210FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air FranceCheapest£762Average£1,188FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air MauritiusCheapest£839Average£953FlexibilityNo cancel feeOn-time82%
Search Air Mauritius 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.