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

Etihad Airways and Qatar Airways 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.

$1,099 Cheap Flights from Porto to Australia in 2026

Find the cheapest flights from Porto to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

22:00 - 14:50

OPO

SYD

55h 50m

2 stops

19:40 - 21:20

SYD

OPO

34h 40m

2 stops

$1,739Multiple Airlines

Mon, 7 Sep - Tue, 22 Sep

22:00 - 14:50

OPO

SYD

55h 50m

2 stops

19:40 - 21:20

SYD

OPO

34h 40m

2 stops

$1,750Multiple Airlines

Mon, 7 Sep - Tue, 22 Sep

22:00 - 14:50

OPO

SYD

55h 50m

2 stops

19:40 - 21:20

SYD

OPO

34h 40m

2 stops

$1,756Multiple Airlines

Mon, 7 Sep - Tue, 22 Sep

21:30 - 14:50

OPO

SYD

32h 20m

2 stops

19:40 - 21:20

SYD

OPO

34h 40m

2 stops

$1,790Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

22:30 - 14:50

OPO

SYD

55h 20m

3 stops

19:40 - 09:00

SYD

OPO

46h 20m

3 stops

$1,807Multiple Airlines

Mon, 7 Sep - Tue, 22 Sep

21:30 - 14:50

OPO

SYD

32h 20m

2 stops

15:15 - 15:05

SYD

OPO

33h 50m

2 stops

$1,838Multiple Airlines

Tue, 1 Sep - Sat, 17 Oct

13:45 - 09:20

OPO

SYD

34h 35m

2 stops

20:50 - 23:00

SYD

OPO

35h 10m

2 stops

$1,928Multiple Airlines

Sun, 6 Sep - Tue, 22 Sep

20:40 - 14:50

OPO

SYD

33h 10m

2 stops

10:05 - 13:00

SYD

OPO

35h 55m

2 stops

$1,953Multiple Airlines

Thu, 3 Sep - Wed, 16 Sep

11:20 - 06:10

OPO

SYD

33h 50m

2 stops

15:40 - 16:10

SYD

OPO

33h 30m

2 stops

$2,016Multiple Airlines

Mon, 14 Sep - Wed, 30 Sep

15:30 - 06:10

OPO

SYD

53h 40m

3 stops

15:40 - 08:10

SYD

OPO

49h 30m

3 stops

$2,021Multiple Airlines

Sat, 5 Sep - Fri, 18 Sep

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Iberia flights from Porto to Australia

Our best Iberia deals on Porto to Australia flight tickets

Iberia

7 Sept

OPO20:40Porto

35h 30m

2 stops

SYD17:10Sydney Kingsford Smith

22 Sept

SYD20:45Sydney Kingsford Smith

67h 55m

2 stops

OPO07:40Porto

$2,317

Iberia

7 Sept

OPO20:40Porto

35h 30m

2 stops

SYD17:10Sydney Kingsford Smith

22 Sept

SYD20:45Sydney Kingsford Smith

67h 55m

2 stops

OPO07:40Porto

$2,575

Etihad Airways flights from Porto to Australia

Our best Etihad Airways deals on Porto to Australia flight tickets

Etihad Airways

4 Sept

OPO16:05Porto

29h 05m

2 stops

SYD06:10Sydney Kingsford Smith

17 Sept

SYD20:50Sydney Kingsford Smith

43h 00m

2 stops

OPO06:50Porto

$2,068

Etihad Airways

5 Sept

OPO16:05Porto

39h 45m

2 stops

SYD16:50Sydney Kingsford Smith

18 Sept

SYD15:40Sydney Kingsford Smith

48h 10m

2 stops

OPO06:50Porto

$2,078

Etihad Airways

21 Dec

OPO07:35Porto

35h 55m

2 stops

SYD06:30Sydney Kingsford Smith

17 Jan

SYD16:50Sydney Kingsford Smith

29h 00m

2 stops

OPO10:50Porto

$2,373

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 7/9

22:00-14:50

2 stops55h 50m

Sydney Kingsford Smith

Tue 22/9

19:40-21:20

2 stops34h 40m

$1,739

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 7/9

22:00-14:50

2 stops55h 50m

Sydney Kingsford Smith

Tue 22/9

19:40-21:20

2 stops34h 40m

$1,750

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 7/9

22:00-14:50

2 stops55h 50m

Sydney Kingsford Smith

Tue 22/9

19:40-21:20

2 stops34h 40m

$1,756

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 8/9

21:30-14:50

2 stops32h 20m

Sydney Kingsford Smith

Tue 15/9

19:40-21:20

2 stops34h 40m

$1,790

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 7/9

22:30-14:50

3 stops55h 20m

Sydney Kingsford Smith

Tue 22/9

19:40-09:00

3 stops46h 20m

$1,807

Fastest return journey

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 1/9

21:30-14:50

2 stops32h 20m

Sydney Kingsford Smith

Sat 17/10

15:15-15:05

2 stops33h 50m

$1,838

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 6/9

13:45-09:20

2 stops34h 35m

Sydney Kingsford Smith

Tue 22/9

20:50-23:00

2 stops35h 10m

$1,928

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 3/9

20:40-14:50

2 stops33h 10m

Sydney Kingsford Smith

Wed 16/9

10:05-13:00

2 stops35h 55m

$1,953

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 14/9

11:20-06:10

2 stops33h 50m

Sydney Kingsford Smith

Wed 30/9

15:40-16:10

2 stops33h 30m

$2,016

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 5/9

15:30-06:10

3 stops53h 40m

Sydney Kingsford Smith

Fri 18/9

15:40-08:10

3 stops49h 30m

$2,021

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, April 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 April, then you should wait until June to fly from Porto, when ticket prices are also cheap, with an average price of $2,011.

Cheap Porto to Australia flight deals and tips

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

Fastest flight time	25h 30m
Direct flights	None

The fastest flight from Porto to Australia takes 25h 30m

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.