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Cheap flights from Portsmouth to Melbourne from £493

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MEL
7 Sep — 14 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Melbourne
Explore the most affordable flight options available from Portsmouth to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 August 2026.

Wed 9/909:20 -
2 stops27h 45m
Wed 16/916:10 -
2 stops36h 20m
Deal found 4/8£1,124
Tue 1/909:15 -
2 stops51h 50m
Tue 22/922:45 -
2 stops29h 45m
Deal found 4/8£1,147
Tue 3/1109:20 -
2 stops45h 30m
Tue 24/1123:40 -
2 stops30h 50m
Deal found 4/8£1,151
Wed 4/1109:20 -
2 stops45h 30m
Wed 25/1123:40 -
2 stops27h 55m
Deal found 5/8£1,156
Fri 4/909:20 -
2 stops27h 45m
Fri 25/922:45 -
2 stops29h 45m
Deal found 7/8£1,185
Sat 5/909:20 -
2 stops27h 45m
Sat 26/922:45 -
2 stops29h 45m
Deal found 8/8£1,185
Thu 3/909:20 -
2 stops27h 45m
Thu 24/922:45 -
2 stops29h 45m
Deal found 6/8£1,199
Thu 5/1109:20 -
2 stops51h 00m
Thu 26/1123:40 -
2 stops30h 50m
Deal found 6/8£1,223
Wed 2/909:20 -
2 stops46h 30m
Wed 23/922:45 -
2 stops29h 45m
Deal found 5/8£1,230
Sat 7/1109:20 -
2 stops27h 00m
Sat 28/1123:40 -
2 stops30h 50m
Deal found 8/8£1,261
Tue 22/909:15 -
2 stops35h 15m
Tue 29/917:20 -
2 stops48h 20m
Deal found 7/8£1,297

Find flight deals from Portsmouth to Melbourne

Keep the following information in mind while searching for Portsmouth to Melbourne flight deals. Data was last updated 8 August 2026.

Round-trip from

£1,080

One-way from

£493

Popular in

December

Cheapest in

May

Average price

£1,046
4/2-25/2
  • 4/2-25/2
  • 4 total stops
  • 60h 05m total
  • Portsmouth to Melbourne
Search Deals
4/9
  • 4/9
  • 3 total stops
  • 52h 45m total
  • Portsmouth to Melbourne
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Melbourne 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 8 August 2026.
Use the filters below to find and compare flights from Portsmouth to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Thu 4/2

17:05-05:45

2 stops25h 40m

Melbourne

Thu 25/2

17:10-16:35

2 stops34h 25m

£1,080

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 3/2

09:20-05:45

2 stops33h 25m

Melbourne

Wed 24/2

17:10-16:35

2 stops34h 25m

£1,083

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Tue 2/2

09:20-05:45

2 stops33h 25m

Melbourne

Tue 23/2

17:10-19:30

2 stops37h 20m

£1,084

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Tue 1/9

09:15-22:05

2 stops51h 50m

Melbourne

Tue 22/9

22:45-19:30

2 stops29h 45m

£1,147

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 4/11

09:20-17:50

2 stops45h 30m

Melbourne

Wed 25/11

23:40-16:35

2 stops27h 55m

£1,156

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Fri 4/9

09:20-22:05

2 stops27h 45m

Melbourne

Fri 25/9

22:45-19:30

2 stops29h 45m

£1,185

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Sat 5/9

09:20-22:05

2 stops27h 45m

Melbourne

Sat 26/9

22:45-19:30

2 stops29h 45m

£1,185

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Thu 3/9

09:20-22:05

2 stops27h 45m

Melbourne

Thu 24/9

22:45-19:30

2 stops29h 45m

£1,199

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 2/9

09:20-16:50

2 stops46h 30m

Melbourne

Wed 23/9

22:45-19:30

2 stops29h 45m

£1,230
Fastest return journey

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Fri 6/11

08:55-23:20

2 stops27h 25m

Melbourne

Fri 27/11

17:10-09:45

2 stops27h 35m

£1,333

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne 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 Melbourne

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest flights from Portsmouth to Melbourne?

    While on average a flight from Portsmouth to Melbourne is generally £2,201, our data shows the cheapest flight currently is £975. When looking at the most popular route, (Southampton Eastleigh - Melbourne), you can expect to pay £1,080 for that flight.

  • Can I find deals for flights from Portsmouth to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Melbourne.

  • Can I find deals for business class flights from Portsmouth to Melbourne?

    Yes. Cheapflights offers flight deals from Portsmouth to Melbourne 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.

Top 10 airlines flying from Portsmouth to Melbourne

Discover the top 10 airlines that operate flights from Portsmouth to Melbourne. 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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£383Average£864FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£461Average£684FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£560Average£1,099FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£566Average£772FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£581Average£792FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£621Average£923FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Royal Brunei AirlinesCheapest£669Average£902FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Turkish AirlinesCheapest£703Average£898FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest£771Average£1,358FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China AirlinesCheapest£776Average£882FlexibilityNo cancel feeOn-time70%
Search China Airlines 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 Melbourne?

Cheapflights makes it easy to find Portsmouth to Melbourne flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Melbourne.

Can Cheapflights find flights from Portsmouth to Melbourne with no change fees?

Certainly. Search results for flights to Melbourne from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portsmouth to Melbourne become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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