What is the cheapest airline that flies from Porto to Sydney Kingsford Smith?

Qatar Airways, Etihad Airways, and United Airlines are the most popular carriers operating from Porto to Sydney Kingsford Smith

When did momondo last update prices for flights from Porto Airport to Sydney Kingsford Smith Airport?

Prices for flights from Porto Airport to Sydney Kingsford Smith Airport were last updated today.

How old do you have to be to fly from Porto Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$960 Cheap Flights from Porto to Sydney in 2026

Find the cheapest flights from Porto to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:00 - 16:50OPO Porto-SYD Sydney Kingsford Smith

34h 50m2 stops Malaga Abu Dhabi Zayed Intl

20:50 - 20:05SYD Sydney Kingsford Smith-OPO Porto

32h 15m2 stops Abu Dhabi Zayed Intl London Heathrow

$1,871Multiple Airlines

Sat, 5 Sep - Mon, 21 Sep

00:35 - 12:45OPO Porto-SYD Sydney Kingsford Smith

26h 10m2 stops Athens Eleftherios V. Singapore Changi

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

35h 10m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat

$1,880Multiple Airlines

Sat, 17 Oct - Fri, 6 Nov

16:05 - 06:10OPO Porto-SYD Sydney Kingsford Smith

29h 05m2 stops Madrid Barajas Abu Dhabi Zayed Intl

20:50 - 06:50SYD Sydney Kingsford Smith-OPO Porto

43h 00m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$1,902Etihad Airways

Sun, 6 Sep - Tue, 22 Sep

09:00 - 09:00OPO Porto-SYD Sydney Kingsford Smith

39h 00m2 stops London Gatwick Shanghai Pu Dong

11:00 - 23:40SYD Sydney Kingsford Smith-OPO Porto

45h 40m2 stops Shanghai Pu Dong London Gatwick

$1,922Multiple Airlines

Sat, 5 Sep - Fri, 18 Sep

07:00 - 09:00OPO Porto-SYD Sydney Kingsford Smith

41h 00m2 stops London Gatwick Shanghai Pu Dong

11:00 - 22:55SYD Sydney Kingsford Smith-OPO Porto

44h 55m2 stops Shanghai Pu Dong London Gatwick

$1,943Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

20:10 - 06:10OPO Porto-SYD Sydney Kingsford Smith

49h 00m2 stops Madrid Barajas Abu Dhabi Zayed Intl

15:40 - 06:50SYD Sydney Kingsford Smith-OPO Porto

48h 10m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$1,959Etihad Airways

Sat, 5 Sep - Fri, 18 Sep

20:10 - 06:10OPO Porto-SYD Sydney Kingsford Smith

49h 00m2 stops Madrid Barajas Abu Dhabi Zayed Intl

15:40 - 06:50SYD Sydney Kingsford Smith-OPO Porto

48h 10m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$1,993Etihad Airways

Sat, 5 Sep - Fri, 18 Sep

16:05 - 06:10OPO Porto-SYD Sydney Kingsford Smith

29h 05m2 stops Madrid Barajas Abu Dhabi Zayed Intl

15:40 - 19:20SYD Sydney Kingsford Smith-OPO Porto

36h 40m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,006Etihad Airways

Sun, 6 Sep - Sun, 20 Sep

20:40 - 17:10OPO Porto-SYD Sydney Kingsford Smith

35h 30m2 stops Madrid Barajas Doha Hamad Intl

14:50 - 08:00SYD Sydney Kingsford Smith-OPO Porto

50h 10m2 stops Doha Hamad Intl Barcelona-El Prat

$2,008Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

15:00 - 08:50OPO Porto-SYD Sydney Kingsford Smith

32h 50m3 stops Barcelona-El Prat Abu Dhabi Zayed Intl Phuket City

21:05 - 15:40SYD Sydney Kingsford Smith-OPO Porto

27h 35m2 stops Kuala Lumpur Intl Istanbul

$2,013Multiple Airlines

Tue, 22 Sep - Tue, 29 Sep

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Qatar Airways flights from Porto to Sydney

Our best Qatar Airways deals on Porto to Sydney flight tickets

Qatar Airways

5 Nov

OPO20:05Porto

47h 45m

2 stops

SYD06:50Sydney Kingsford Smith

9 Nov

SYD15:50Sydney Kingsford Smith

40h 25m

2 stops

OPO21:15Porto

$2,076

Qatar Airways

5 Nov

OPO20:05Porto

47h 45m

2 stops

SYD06:50Sydney Kingsford Smith

9 Nov

SYD15:50Sydney Kingsford Smith

40h 25m

2 stops

OPO21:15Porto

$2,079

Qatar Airways

7 Nov

OPO08:45Porto

35h 05m

2 stops

SYD06:50Sydney Kingsford Smith

11 Nov

SYD15:50Sydney Kingsford Smith

40h 25m

2 stops

OPO21:15Porto

$2,117

Air Canada flights from Porto to Sydney

Our best Air Canada deals on Porto to Sydney flight tickets

Air Canada

5 Nov

OPO07:00Porto

39h 35m

3 stops

SYD09:35Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

58h 55m

3 stops

OPO11:15Porto

$2,247

Air Canada

5 Nov

OPO07:00Porto

39h 35m

3 stops

SYD09:35Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

58h 55m

3 stops

OPO11:15Porto

$2,249

Air Canada

5 Nov

OPO07:00Porto

39h 35m

3 stops

SYD09:35Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

58h 55m

3 stops

OPO11:15Porto

$2,252

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 5/9

21:00-16:50

2 stops34h 50m

Sydney Kingsford Smith

Mon 21/9

20:50-20:05

2 stops32h 15m

$1,871

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 17/10

00:35-12:45

2 stops26h 10m

Sydney Kingsford Smith

Fri 6/11

21:30-21:40

2 stops35h 10m

$1,880

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 6/9

16:05-06:10

2 stops29h 05m

Sydney Kingsford Smith

Tue 22/9

20:50-06:50

2 stops43h 00m

$1,902

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 5/9

09:00-09:00

2 stops39h 00m

Sydney Kingsford Smith

Fri 18/9

11:00-23:40

2 stops45h 40m

$1,922

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Wed 26/8

07:00-09:00

2 stops41h 00m

Sydney Kingsford Smith

Tue 1/9

11:00-22:55

2 stops44h 55m

$1,943

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 5/9

20:10-06:10

2 stops49h 00m

Sydney Kingsford Smith

Fri 18/9

15:40-06:50

2 stops48h 10m

$1,959

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 5/9

20:10-06:10

2 stops49h 00m

Sydney Kingsford Smith

Fri 18/9

15:40-06:50

2 stops48h 10m

$1,993

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 6/9

16:05-06:10

2 stops29h 05m

Sydney Kingsford Smith

Sun 20/9

15:40-19:20

2 stops36h 40m

$2,006

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Wed 16/9

20:40-17:10

2 stops35h 30m

Sydney Kingsford Smith

Wed 23/9

14:50-08:00

2 stops50h 10m

$2,008

Fastest return journey

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 22/9

15:00-08:50

3 stops32h 50m

Sydney Kingsford Smith

Tue 29/9

21:05-15:40

2 stops27h 35m

$2,013

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 Sydney

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 Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Porto, with most prices found around $0. If you aren’t able to travel to Sydney during the month of April, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,987.

When to book flights from Porto to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Porto to Sydney (OPO to SYD) flight deals and tips

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

Fastest flight time	41h 00m
Direct flights	None

The fastest flight from Porto to Sydney takes 41h 00m

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

Search flight deals

Frequently asked questions about flying from Porto to Sydney

How far is Porto to Sydney Kingsford Smith by plane?
Porto and Sydney Kingsford Smith are 18054.7 km apart from one another. 41h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Porto Airport to Sydney Kingsford Smith Airport?
Prices for flights from Porto Airport to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Porto Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

It is quick and easy to find Porto to Sydney 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 Sydney that suits you.

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

All flight searches from Porto to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Porto to Sydney.

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