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Cheap flights from Portsmouth to Melbourne from £421

LHR — MEL
9 Oct — 16 Oct1
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

Tue 20/1017:20 -
2 stops31h 15m
Tue 27/1018:20 -
2 stops36h 10m
Deal found 5/9£1,103
Thu 22/1017:20 -
2 stops43h 45m
Thu 29/1017:10 -
2 stops29h 45m
Deal found 7/9£1,152
Wed 9/1209:20 -
2 stops33h 25m
Wed 30/1216:10 -
2 stops51h 40m
Deal found 9/9£1,153
Tue 8/1220:00 -
2 stops34h 50m
Tue 29/1216:10 -
2 stops38h 15m
Deal found 8/9£1,229
Wed 9/1209:20 -
2 stops33h 25m
Sat 23/116:10 -
2 stops30h 45m
Deal found 6/9£1,249
Sat 5/1209:20 -
2 stops27h 00m
Sat 26/1223:40 -
2 stops31h 40m
Deal found 5/9£1,274
Mon 7/1220:00 -
2 stops34h 50m
Mon 28/1223:40 -
2 stops30h 45m
Deal found 7/9£1,373
Tue 20/1017:20 -
3 stops27h 10m
Tue 27/1008:45 -
2 stops34h 25m
Deal found 5/9£1,626
Wed 7/1009:20 -
2 stops27h 45m
Wed 28/1017:10 -
2 stops29h 45m
Deal found 9/9£1,637
Tue 6/1009:15 -
2 stops27h 50m
Tue 27/1023:40 -
2 stops54h 50m
Deal found 8/9£1,642
Mon 5/1020:00 -
2 stops41h 05m
Mon 26/1023:40 -
2 stops54h 50m
Deal found 7/9£1,652

Find flight deals from Portsmouth to Melbourne

Round-trip from

£1,103

One-way from

£421

Popular in

December

Cheapest in

May

Average price

£878
20/10-27/10
  • 20/10-27/10
  • 4 total stops
  • 67h 25m total
  • Portsmouth to Melbourne
Search Deals
15/11-31/12
  • 15/11-31/12
  • 2 total stops
  • 55h 05m total
  • Portsmouth to Melbourne
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portsmouth to Melbourne that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Sun 15/11

20:00-14:05

2 stops55h 05m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£421

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Tue 13/10

09:15-23:05

2 stops27h 50m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£911

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Sun 27/12

09:20-05:45

2 stops33h 25m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£911
Fastest return journey

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Sun 11/10

09:20-23:05

2 stops27h 45m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£929

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Sat 26/9

20:00-16:50

2 stops35h 50m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£937

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Tue 20/10

17:20-10:35

2 stops31h 15m

Melbourne

Tue 27/10

18:20-19:30

2 stops36h 10m

£1,103

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Thu 22/10

17:20-23:05

2 stops43h 45m

Melbourne

Thu 29/10

17:10-11:55

2 stops29h 45m

£1,152

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Wed 9/12

09:20-05:45

2 stops33h 25m

Melbourne

Wed 30/12

16:10-08:50

2 stops51h 40m

£1,153

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Mon 8/3

20:00-17:50

2 stops34h 50m

Melbourne

Mon 29/3

16:10-16:50

2 stops34h 40m

£1,153

SouthamptonMelbourne

SOU Southampton Eastleigh - MEL Melbourne

SOUMEL

Southampton Eastleigh

Mon 28/9

20:00-16:50

2 stops35h 50m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

£1,171

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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

  • What are the cheapest flights from Portsmouth to Melbourne?

    While on average a flight from Portsmouth to Melbourne is generally £2,901, our data shows the cheapest flight currently is £800. When looking at the most popular route, (Southampton Eastleigh - Melbourne), you can expect to pay £1,145 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

Top 10 airlines flying from Portsmouth to Melbourne

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£380Average£770FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£408Average£680FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£465Average£978FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£556Average£784FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£586Average£819FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£616Average£903FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Royal Brunei AirlinesCheapest£665Average£904FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Turkish AirlinesCheapest£699Average£888FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Singapore AirlinesCheapest£706Average£1,103FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
FinnairCheapest£770Average£1,386FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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