When did momondo last update prices for flights from Porto Airport to Australia?

Prices for flights from Porto Airport to Australia refresh daily.

How old do you have to be to fly from Porto Airport to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$667 Cheap Flights from Porto to Australia in 2026

Find the cheapest flights from Porto to Australia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:40 - 20:25OPO Porto-SYD Sydney Kingsford Smith

27h 45m2 stops London Gatwick Guangzhou Baiyun

15:15 - 13:10SYD Sydney Kingsford Smith-OPO Porto

32h 55m2 stops Guangzhou Baiyun London Gatwick

$1,621Multiple Airlines

Thu, 22 Oct - Thu, 29 Oct

06:00 - 20:20OPO Porto-SYD Sydney Kingsford Smith

27h 20m2 stops Budapest Ferenc Liszt Intl Guangzhou Baiyun

21:30 - 19:40SYD Sydney Kingsford Smith-OPO Porto

33h 10m2 stops Abu Dhabi Zayed Intl London Heathrow

$1,682Multiple Airlines

Thu, 29 Oct - Thu, 12 Nov

06:00 - 20:20OPO Porto-SYD Sydney Kingsford Smith

27h 20m2 stops Budapest Ferenc Liszt Intl Guangzhou Baiyun

21:30 - 19:40SYD Sydney Kingsford Smith-OPO Porto

33h 10m2 stops Abu Dhabi Zayed Intl London Heathrow

$1,696Multiple Airlines

Thu, 29 Oct - Thu, 12 Nov

16:05 - 15:50OPO Porto-SYD Sydney Kingsford Smith

37h 45m2 stops Madrid Barajas Beijing Capital

10:30 - 19:20SYD Sydney Kingsford Smith-OPO Porto

43h 50m2 stops Beijing Capital Madrid Barajas

$1,729Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

12:45 - 09:50OPO Porto-MEL Melbourne

35h 05m2 stops London Gatwick Singapore Changi

11:05 - 16:50MEL Melbourne-OPO Porto

40h 45m2 stops Hong Kong Intl London Heathrow

$1,733British Airways

Tue, 20 Oct - Wed, 3 Mar

20:55 - 09:50OPO Porto-MEL Melbourne

50h 55m2 stops London Gatwick Singapore Changi

08:40 - 17:50MEL Melbourne-OPO Porto

44h 10m2 stops Hong Kong Intl London Heathrow

$1,740British Airways

Tue, 20 Oct - Tue, 9 Mar

10:15 - 06:55OPO Porto-SYD Sydney Kingsford Smith

33h 40m2 stops London Gatwick Singapore Changi

16:20 - 19:15SYD Sydney Kingsford Smith-OPO Porto

37h 55m2 stops Singapore Changi London Heathrow

$1,790British Airways

Sun, 25 Oct - Sat, 7 Nov

19:55 - 08:00OPO Porto-MEL Melbourne

50h 05m2 stops London Gatwick Hong Kong Intl

11:05 - 16:50MEL Melbourne-OPO Porto

40h 45m2 stops Hong Kong Intl London Heathrow

$1,808British Airways

Sat, 24 Oct - Wed, 28 Oct

20:55 - 09:50OPO Porto-MEL Melbourne

50h 55m2 stops London Gatwick Singapore Changi

12:30 - 16:50MEL Melbourne-OPO Porto

39h 20m3 stops Sydney Kingsford Smith Singapore Changi London Heathrow

$1,816British Airways

Tue, 20 Oct - Wed, 3 Mar

06:05 - 23:20OPO Porto-MEL Melbourne

30h 15m2 stops Paris Orly Doha Hamad Intl

18:20 - 06:45MEL Melbourne-OPO Porto

47h 25m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$1,822Multiple Airlines

Mon, 26 Oct - Fri, 30 Oct

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KLM flights from Porto to Australia

Our best KLM deals on Porto to Australia flight tickets

KLM

9 Nov

OPO11:15Porto

33h 10m

3 stops

SYD07:25Sydney Kingsford Smith

30 Nov

SYD16:30Sydney Kingsford Smith

33h 55m

2 stops

OPO15:25Porto

$2,388

KLM

9 Nov

OPO11:15Porto

33h 10m

3 stops

SYD07:25Sydney Kingsford Smith

30 Nov

SYD16:30Sydney Kingsford Smith

33h 55m

2 stops

OPO15:25Porto

$2,391

KLM

9 Nov

OPO11:15Porto

33h 10m

3 stops

SYD07:25Sydney Kingsford Smith

30 Nov

SYD16:30Sydney Kingsford Smith

33h 55m

2 stops

OPO15:25Porto

$2,392

Qatar Airways flights from Porto to Australia

Our best Qatar Airways deals on Porto to Australia flight tickets

Qatar Airways

26 Oct

OPO20:40Porto

47h 10m

2 stops

SYD06:50Sydney Kingsford Smith

9 Nov

SYD15:50Sydney Kingsford Smith

39h 10m

2 stops

OPO20:00Porto

$2,162

Qatar Airways

11 Nov

OPO20:40Porto

47h 10m

2 stops

SYD06:50Sydney Kingsford Smith

15 Nov

SYD15:50Sydney Kingsford Smith

39h 10m

2 stops

OPO20:00Porto

$2,242

Qatar Airways

11 Nov

OPO20:40Porto

47h 10m

2 stops

SYD06:50Sydney Kingsford Smith

15 Nov

SYD15:50Sydney Kingsford Smith

39h 10m

2 stops

OPO20:00Porto

$2,248

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 22/10

06:40-20:25

2 stops27h 45m

Sydney Kingsford Smith

Thu 29/10

15:15-13:10

2 stops32h 55m

$1,621

Fastest return journey

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 29/10

06:00-20:20

2 stops27h 20m

Sydney Kingsford Smith

Thu 12/11

21:30-19:40

2 stops33h 10m

$1,682

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 29/10

06:00-20:20

2 stops27h 20m

Sydney Kingsford Smith

Thu 12/11

21:30-19:40

2 stops33h 10m

$1,696

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 20/10

16:05-15:50

2 stops37h 45m

Sydney Kingsford Smith

Tue 27/10

10:30-19:20

2 stops43h 50m

$1,729

PortoMelbourne

OPO Porto - MEL Melbourne

OPOMEL

Porto

Tue 20/10

12:45-09:50

2 stops35h 05m

Melbourne

Wed 3/3

11:05-16:50

2 stops40h 45m

$1,733

PortoMelbourne

OPO Porto - MEL Melbourne

OPOMEL

Porto

Tue 20/10

20:55-09:50

2 stops50h 55m

Melbourne

Tue 9/3

08:40-17:50

2 stops44h 10m

$1,740

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 25/10

10:15-06:55

2 stops33h 40m

Sydney Kingsford Smith

Sat 7/11

16:20-19:15

2 stops37h 55m

$1,790

PortoMelbourne

OPO Porto - MEL Melbourne

OPOMEL

Porto

Sat 24/10

19:55-08:00

2 stops50h 05m

Melbourne

Wed 28/10

11:05-16:50

2 stops40h 45m

$1,808

PortoMelbourne

OPO Porto - MEL Melbourne

OPOMEL

Porto

Tue 20/10

20:55-09:50

2 stops50h 55m

Melbourne

Wed 3/3

12:30-16:50

3 stops39h 20m

$1,816

PortoMelbourne

OPO Porto - MEL Melbourne

OPOMEL

Porto

Mon 26/10

06:05-23:20

2 stops30h 15m

Melbourne

Fri 30/10

18:20-06:45

2 stops47h 25m

$1,822

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Australia?

In general, June is the cheapest month to fly from Porto to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Australia in June, then you should wait until April to fly from Porto, when ticket prices are also cheap, with an average price of $0.

Cheap Porto to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Australia

Best price found	$667
Fastest flight time	29h 20m
Direct flights	None

The best one-way flight to Australia from Porto in the past 72 hours is $667. The best return flight deal from Porto to Australia found on momondo in the last 72 hours is $1,621.

The fastest flight from Porto to Australia takes 29h 20m

There are no direct flights from Porto to Australia. There are no popular flight routes from Porto to Australia.

Search flight deals

Frequently asked questions about flying from Porto to Australia

When did momondo last update prices for flights from Porto Airport to Australia?
Prices for flights from Porto Airport to Australia refresh daily.
How old do you have to be to fly from Porto Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Australia?

It is quick and easy to find Porto to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

Can I find flights from Porto to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Porto on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Porto to Australia?

Once all potential Porto to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Porto to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Porto to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.