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Cheap flights from Portsmouth to Melbourne from £637

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MEL
15 May — 22 May1
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 15 April 2026.

Wed 27/520:00
SOU
-
MEL
2 stops60h 15m
Qatar Airways
Wed 3/622:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 12/4£1,024
Mon 25/520:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Mon 1/622:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 10/4£1,058
Sat 25/409:20
SOU
-
MEL
2 stops46h 55m
Multiple Airlines
Mon 4/522:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 12/4£1,106
Sat 25/409:20
SOU
-
MEL
2 stops46h 55m
Multiple Airlines
Mon 11/522:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 11/4£1,109
Mon 27/420:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Mon 4/522:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 12/4£1,113
Wed 13/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Wed 3/622:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 15/4£1,118
Thu 23/420:00
SOU
-
MEL
2 stops60h 15m
Qatar Airways
Wed 6/522:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 12/4£1,124
Mon 11/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Mon 1/622:45
MEL
-
SOU
2 stops29h 45m
Multiple Airlines
Deal found 13/4£1,129
Tue 19/520:00
SOU
-
MEL
2 stops36h 15m
Multiple Airlines
Tue 30/615:10
MEL
-
SOU
2 stops37h 20m
Multiple Airlines
Deal found 12/4£1,137
Fri 24/420:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Mon 4/522:45
MEL
-
SOU
2 stops29h 45m
Qatar Airways
Deal found 12/4£1,139
Mon 27/420:00
SOU
-
MEL
2 stops36h 15m
Qatar Airways
Sun 3/522:45
MEL
-
SOU
2 stops53h 45m
Qatar Airways
Deal found 12/4£1,140
Fri 29/517:20
SOU
-
MEL
2 stops37h 30m
Multiple Airlines
Fri 5/617:20
MEL
-
SOU
2 stops56h 30m
Multiple Airlines
Deal found 14/4£1,142

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 15 April 2026.

Round-trip from

£1,024

One-way from

£637

Popular in

July

Cheapest in

May

Average price

£945
Qatar Airways
  • Qatar Airways
  • 27/5-3/6
  • 4 total stops
  • 90h 00m total
  • Portsmouth to Melbourne
Search Deals
Qatar Airways
  • Qatar Airways
  • 5/8
  • 2 total stops
  • 41h 05m total
  • Portsmouth to Melbourne
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 (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 15 April 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 - MEL

SOUMEL

Southampton Eastleigh

Mon 25/5

20:00-17:15

2 stops36h 15m

Melbourne

Mon 1/6

22:45-19:30

2 stops53h 45m

£1,058

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Wed 13/5

20:00-17:15

2 stops36h 15m

Melbourne

Wed 3/6

22:45-19:30

2 stops29h 45m

£1,118

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 19/5

20:00-17:15

2 stops36h 15m

Melbourne

Tue 30/6

15:10-19:30

2 stops37h 20m

£1,137

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sun 26/4

20:00-17:15

2 stops60h 15m

Melbourne

Tue 5/5

22:45-19:30

2 stops29h 45m

£1,150

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Tue 12/5

09:10-17:15

2 stops47h 05m

Melbourne

Tue 2/6

22:45-19:30

2 stops29h 45m

£1,198

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 9/5

20:00-17:15

2 stops36h 15m

Melbourne

Thu 28/5

22:45-19:30

2 stops29h 45m

£1,252

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 25/4

09:10-17:15

2 stops47h 05m

Melbourne

Wed 6/5

22:45-19:30

2 stops29h 45m

£1,255

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 25/4

09:10-17:15

2 stops47h 05m

Melbourne

Sat 2/5

22:45-19:30

2 stops29h 45m

£1,280
Fastest return journey

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 11/7

09:10-22:05

2 stops27h 55m

Melbourne

Sat 1/8

16:10-19:30

2 stops36h 20m

£1,289

SouthamptonMelbourne

SOU - MEL

SOUMEL

Southampton Eastleigh

Sat 9/5

20:00-17:15

2 stops36h 15m

Melbourne

Sat 30/5

22:45-19:30

2 stops29h 45m

£1,336

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 18 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

What is the cheapest month to book a flight from Portsmouth to Melbourne?

Currently, June is the cheapest month in which you can book a flight from Portsmouth to Melbourne (average of £497). Flying from Portsmouth to Melbourne in August is currently the most expensive (average of £787). 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.

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.

  • How long is the flight from Portsmouth to Melbourne?

    Departing from Portsmouth to Melbourne will take you 36h 15m. Airlines will cover a distance of 10546 mi.

  • What are the cheapest flights from Portsmouth to Melbourne?

    While on average a flight from Portsmouth to Melbourne is generally £1,326, our data shows the cheapest flight currently is £1,278. When looking at the most popular route, (Southampton Eastleigh - Melbourne), you can expect to pay £1,137 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.

  • What is the cheapest month to book a flight from Portsmouth to Melbourne?

    Currently, June is the cheapest month in which you can book a flight from Portsmouth to Melbourne (average of £497). Flying from Portsmouth to Melbourne in August is currently the most expensive (average of £787). 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.

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 15 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£380Average£1,041FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£408Average£651FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Shenzhen AirlinesCheapest£465Average£920FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£537Average£762FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£576Average£731FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£627Average£915FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Royal Brunei AirlinesCheapest£647Average£811FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Turkish AirlinesCheapest£684Average£973FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Vietnam AirlinesCheapest£719Average£1,128FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Etihad AirwaysCheapest£733Average£1,028FlexibilityNo cancel feeOn-time75%
Search Etihad Airways 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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