What is the cheapest airline that flies from Porto to Australia?

Etihad Airways, Turkish Airlines, and Air France are the most popular carriers operating 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.

$691 Cheap Flights from Porto to Australia in 2025/26

1 adult

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Find the cheapest flights from Porto to Australia

Round-trip

One-way

Cheap return flights

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16:05 - 13:35OPO-SYD

34h 30m3 stops

21:30 - 21:50SYD-OPO

35h 20m2 stops

$1,683Multiple Airlines

Find Deal

Sat, 1 Nov - Fri, 14 Nov

16:05 - 15:30OPO-SYD

36h 25m2 stops

20:40 - 15:15SYD-OPO

29h 35m2 stops

$1,783Multiple Airlines

Find Deal

Tue, 18 Nov - Tue, 25 Nov

16:10 - 01:25OPO-PER

25h 15m2 stops

16:15 - 15:10PER-OPO

30h 55m2 stops

$2,061Turkish Airlines

Find Deal

Mon, 16 Mar - Wed, 25 Mar

10:55 - 05:50OPO-PER

34h 55m2 stops

16:15 - 09:55PER-OPO

49h 40m2 stops

$2,105Turkish Airlines

Find Deal

Thu, 12 Mar - Mon, 16 Mar

11:20 - 06:15OPO-MEL

31h 55m2 stops

12:05 - 10:30MEL-OPO

57h 25m2 stops

$2,134Air France

Find Deal

Thu, 12 Mar - Mon, 16 Mar

11:20 - 06:15OPO-MEL

31h 55m2 stops

16:55 - 10:30MEL-OPO

52h 35m2 stops

$2,141Air France

Find Deal

Thu, 12 Mar - Mon, 16 Mar

12:35 - 09:05OPO-SYD

33h 30m2 stops

10:20 - 09:30SYD-OPO

34h 10m2 stops

$2,259United Airlines

Find Deal

Thu, 12 Mar - Mon, 16 Mar

12:35 - 09:05OPO-SYD

57h 30m2 stops

11:20 - 09:30SYD-OPO

33h 10m2 stops

$2,265United Airlines

Find Deal

Thu, 6 Nov - Wed, 19 Nov

20:40 - 17:50OPO-MEL

34h 10m2 stops

23:40 - 07:40MEL-OPO

43h 00m2 stops

$2,395Iberia

Find Deal

Thu, 5 Feb - Mon, 23 Feb

20:40 - 17:50OPO-MEL

34h 10m2 stops

23:40 - 07:40MEL-OPO

43h 00m2 stops

$2,441Iberia

Find Deal

Thu, 5 Feb - Sun, 22 Feb

United Airlines flights from Porto to Australia

Our best United Airlines deals on Porto to Australia flight tickets

United Airlines

12 Mar

OPO12:35Porto

33h 30m

2 stops

SYD09:05Sydney Kingsford Smith

16 Mar

SYD10:20Sydney Kingsford Smith

34h 10m

2 stops

OPO09:30Porto

$2,259

Find similar

United Airlines

6 Nov

OPO12:35Porto

57h 30m

2 stops

SYD09:05Sydney Kingsford Smith

19 Nov

SYD11:20Sydney Kingsford Smith

33h 10m

2 stops

OPO09:30Porto

$2,265

Find similar

United Airlines

12 Mar

OPO12:35Porto

33h 30m

2 stops

SYD09:05Sydney Kingsford Smith

16 Mar

SYD10:20Sydney Kingsford Smith

34h 10m

2 stops

OPO09:30Porto

$2,267

Find similar

KLM flights from Porto to Australia

Our best KLM deals on Porto to Australia flight tickets

KLM

12 Mar

OPO11:15Porto

28h 40m

2 stops

PER23:55Perth

16 Mar

PER15:35Perth

31h 50m

3 stops

OPO15:25Porto

$3,138

Find similar

KLM

16 Mar

OPO11:15Porto

30h 10m

2 stops

PER01:25Perth

26 Mar

PER06:50Perth

40h 35m

3 stops

OPO15:25Porto

$3,185

Find similar

KLM

18 Dec

OPO16:10Porto

27h 45m

2 stops

SYD06:55Sydney Kingsford Smith

5 Jan

SYD15:55Sydney Kingsford Smith

29h 35m

2 stops

OPO10:30Porto

$4,549

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 1/11

16:05-13:35

3 stops34h 30m

Sydney Kingsford Smith

Fri 14/11

21:30-21:50

2 stops35h 20m

$1,683

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 18/11

16:05-15:30

2 stops36h 25m

Sydney Kingsford Smith

Tue 25/11

20:40-15:15

2 stops29h 35m

$1,783

PortoPerth

OPO - PER

OPOPER

Porto

Mon 16/3

16:10-01:25

2 stops25h 15m

Perth

Wed 25/3

16:15-15:10

2 stops30h 55m

$2,061

PortoPerth

OPO - PER

OPOPER

Porto

Thu 12/3

10:55-05:50

2 stops34h 55m

Perth

Mon 16/3

16:15-09:55

2 stops49h 40m

$2,105

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Thu 12/3

11:20-06:15

2 stops31h 55m

Melbourne

Mon 16/3

12:05-10:30

2 stops57h 25m

$2,134

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Thu 12/3

11:20-06:15

2 stops31h 55m

Melbourne

Mon 16/3

16:55-10:30

2 stops52h 35m

$2,141

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/3

12:35-09:05

2 stops33h 30m

Sydney Kingsford Smith

Mon 16/3

10:20-09:30

2 stops34h 10m

$2,259

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 6/11

12:35-09:05

2 stops57h 30m

Sydney Kingsford Smith

Wed 19/11

11:20-09:30

2 stops33h 10m

$2,265

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Thu 5/2

20:40-17:50

2 stops34h 10m

Melbourne

Mon 23/2

23:40-07:40

2 stops43h 00m

$2,395

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Thu 5/2

20:40-17:50

2 stops34h 10m

Melbourne

Sun 22/2

23:40-07:40

2 stops43h 00m

$2,441

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

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, January 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 $2,062. If you don’t want to visit Australia in January, then you should wait until February to fly from Porto, when ticket prices are also cheap, with an average price of $2,138.

Cheap Porto to Australia flight deals and tips

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

Direct flights	None

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

Search flight deals

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.