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

Etihad Airways is the most popular carrier 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.

$735 Cheap Flights from Porto to Australia in 2026

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Porto to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:50 - 16:50

OPO

SYD

34h 00m

2 stops

11:25 - 13:15

SYD

OPO

34h 50m

2 stops

$1,747Multiple Airlines

Sat, 2 May - Fri, 15 May

21:50 - 16:50

OPO

SYD

34h 00m

2 stops

11:25 - 13:15

SYD

OPO

34h 50m

2 stops

$1,750Multiple Airlines

Sat, 2 May - Fri, 15 May

06:30 - 19:45

OPO

PER

30h 15m

2 stops

09:55 - 09:40

PER

OPO

30h 45m

2 stops

$1,805Multiple Airlines

Mon, 20 Apr - Mon, 27 Apr

10:40 - 06:15

OPO

MEL

34h 35m

2 stops

12:00 - 09:40

MEL

OPO

30h 40m

2 stops

$1,808Multiple Airlines

Mon, 20 Apr - Mon, 27 Apr

09:55 - 06:05

OPO

SYD

35h 10m

2 stops

10:10 - 18:55

SYD

OPO

41h 45m

2 stops

$1,922British Airways

Thu, 30 Apr - Wed, 13 May

10:40 - 06:25

OPO

SYD

34h 45m

2 stops

09:50 - 09:50

SYD

OPO

33h 00m

2 stops

$2,033British Airways

Sat, 2 May - Fri, 15 May

16:40 - 01:10

OPO

PER

25h 30m

2 stops

02:10 - 10:00

PER

OPO

38h 50m

2 stops

$2,110Turkish Airlines

Wed, 22 Apr - Tue, 28 Apr

16:40 - 01:10

OPO

PER

49h 30m

2 stops

13:45 - 15:50

PER

OPO

33h 05m

2 stops

$2,312Turkish Airlines

Thu, 23 Apr - Mon, 27 Apr

08:20 - 15:50

OPO

ADL

47h 00m

2 stops

21:40 - 20:00

ADL

OPO

54h 50m

2 stops

$3,144Iberia

Thu, 23 Apr - Mon, 27 Apr

08:20 - 15:50

OPO

ADL

47h 00m

2 stops

21:40 - 16:00

ADL

OPO

26h 50m

2 stops

$3,287Qatar Airways

Thu, 23 Apr - Mon, 27 Apr

British Airways flights from Porto to Australia

Our best British Airways deals on Porto to Australia flight tickets

British Airways

30 Apr

OPO09:55Porto

35h 10m

2 stops

SYD06:05Sydney Kingsford Smith

13 May

SYD10:10Sydney Kingsford Smith

41h 45m

2 stops

OPO18:55Porto

$1,922

British Airways

2 May

OPO10:40Porto

34h 45m

2 stops

SYD06:25Sydney Kingsford Smith

15 May

SYD09:50Sydney Kingsford Smith

33h 00m

2 stops

OPO09:50Porto

$2,033

British Airways

2 May

OPO10:40Porto

34h 45m

2 stops

SYD06:25Sydney Kingsford Smith

15 May

SYD09:50Sydney Kingsford Smith

33h 00m

2 stops

OPO09:50Porto

$2,040

Turkish Airlines flights from Porto to Australia

Our best Turkish Airlines deals on Porto to Australia flight tickets

Turkish Airlines

22 Apr

OPO16:40Porto

25h 30m

2 stops

PER01:10Perth

28 Apr

PER02:10Perth

38h 50m

2 stops

OPO10:00Porto

$2,110

Turkish Airlines

23 Apr

OPO16:40Porto

49h 30m

2 stops

PER01:10Perth

27 Apr

PER13:45Perth

33h 05m

2 stops

OPO15:50Porto

$2,312

Turkish Airlines

13 May

OPO16:40Porto

41h 30m

2 stops

SYD19:10Sydney Kingsford Smith

17 May

SYD21:05Sydney Kingsford Smith

45h 35m

2 stops

OPO09:40Porto

$2,336

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 2/5

21:50-16:50

2 stops34h 00m

Sydney Kingsford Smith

Fri 15/5

11:25-13:15

2 stops34h 50m

$1,747

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 2/5

21:50-16:50

2 stops34h 00m

Sydney Kingsford Smith

Fri 15/5

11:25-13:15

2 stops34h 50m

$1,750

Fastest return journey

PortoPerth

OPO - PER

OPOPER

Porto

Mon 20/4

06:30-19:45

2 stops30h 15m

Perth

Mon 27/4

09:55-09:40

2 stops30h 45m

$1,805

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Mon 20/4

10:40-06:15

2 stops34h 35m

Melbourne

Mon 27/4

12:00-09:40

2 stops30h 40m

$1,808

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 30/4

09:55-06:05

2 stops35h 10m

Sydney Kingsford Smith

Wed 13/5

10:10-18:55

2 stops41h 45m

$1,922

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 2/5

10:40-06:25

2 stops34h 45m

Sydney Kingsford Smith

Fri 15/5

09:50-09:50

2 stops33h 00m

$2,033

PortoPerth

OPO - PER

OPOPER

Porto

Wed 22/4

16:40-01:10

2 stops25h 30m

Perth

Tue 28/4

02:10-10:00

2 stops38h 50m

$2,110

PortoPerth

OPO - PER

OPOPER

Porto

Thu 23/4

16:40-01:10

2 stops49h 30m

Perth

Mon 27/4

13:45-15:50

2 stops33h 05m

$2,312

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 23/4

08:20-15:50

2 stops47h 00m

Adelaide

Mon 27/4

21:40-20:00

2 stops54h 50m

$3,144

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 23/4

08:20-15:50

2 stops47h 00m

Adelaide

Mon 27/4

21:40-16:00

2 stops26h 50m

$3,287

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, September 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 $2,104. If you don’t want to visit Australia in September, then you should wait until May to fly from Porto, when ticket prices are also cheap, with an average price of $2,107.

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	26h 05m
Direct flights	None

The fastest flight from Porto to Australia takes 26h 05m

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.