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.

$1,066 Cheap Flights from Porto to Sydney in 2026

1 adult

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Find the cheapest flights from Porto to Sydney

Round-trip

One-way

Cheap return flights

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09:40 - 06:35

OPO

SYD

33h 55m

2 stops

16:35 - 11:00

SYD

OPO

29h 25m

2 stops

$1,738Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

16:50 - 11:45

OPO

SYD

33h 55m

3 stops

13:00 - 23:50

SYD

OPO

43h 50m

3 stops

$1,799Multiple Airlines

Thu, 9 Apr - Wed, 22 Apr

11:25 - 10:25

OPO

SYD

60h 00m

2 stops

12:25 - 22:00

SYD

OPO

43h 35m

2 stops

$1,822Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

12:15 - 10:25

OPO

SYD

35h 10m

2 stops

21:15 - 19:20

SYD

OPO

33h 05m

3 stops

$1,882Multiple Airlines

Mon, 9 Mar - Mon, 16 Mar

10:55 - 19:20

OPO

SYD

45h 25m

2 stops

21:00 - 13:35

SYD

OPO

51h 35m

3 stops

$1,911Multiple Airlines

Sat, 21 Feb - Thu, 12 Mar

20:10 - 17:55

OPO

SYD

34h 45m

2 stops

16:35 - 12:20

SYD

OPO

30h 45m

2 stops

$1,917Multiple Airlines

Sat, 21 Feb - Fri, 6 Mar

13:15 - 06:35

OPO

SYD

30h 20m

2 stops

16:40 - 13:35

SYD

OPO

30h 55m

2 stops

$1,920Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

20:10 - 17:55

OPO

SYD

34h 45m

2 stops

21:45 - 21:50

SYD

OPO

35h 05m

2 stops

$1,925Multiple Airlines

Sat, 21 Feb - Fri, 6 Mar

16:10 - 19:20

OPO

SYD

40h 10m

2 stops

21:00 - 13:35

SYD

OPO

51h 35m

3 stops

$1,940Multiple Airlines

Wed, 18 Feb - Thu, 12 Mar

16:10 - 19:20

OPO

SYD

40h 10m

2 stops

21:00 - 13:35

SYD

OPO

51h 35m

3 stops

$1,944Multiple Airlines

Thu, 19 Feb - Thu, 12 Mar

United Airlines flights from Porto to Sydney

Our best United Airlines deals on Porto to Sydney flight tickets

United Airlines

4 Mar

OPO12:35Porto

33h 40m

2 stops

SYD09:15Sydney Kingsford Smith

8 Mar

SYD11:05Sydney Kingsford Smith

33h 25m

2 stops

OPO09:30Porto

$2,143

United Airlines

4 Mar

OPO12:35Porto

33h 40m

2 stops

SYD09:15Sydney Kingsford Smith

8 Mar

SYD12:10Sydney Kingsford Smith

32h 20m

2 stops

OPO09:30Porto

$2,147

British Airways flights from Porto to Sydney

Our best British Airways deals on Porto to Sydney flight tickets

British Airways

7 Mar

OPO19:50Porto

48h 05m

2 stops

SYD06:55Sydney Kingsford Smith

23 Mar

SYD16:20Sydney Kingsford Smith

36h 15m

2 stops

OPO17:35Porto

$1,948

British Airways

21 Feb

OPO19:50Porto

48h 05m

2 stops

SYD06:55Sydney Kingsford Smith

6 Mar

SYD16:20Sydney Kingsford Smith

37h 40m

2 stops

OPO19:00Porto

$2,008

British Airways

21 Feb

OPO19:50Porto

48h 05m

2 stops

SYD06:55Sydney Kingsford Smith

6 Mar

SYD16:20Sydney Kingsford Smith

37h 40m

2 stops

OPO19:00Porto

$2,013

Fly from

Fly to

Route

Depart

Return

Price

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 9/3

09:40-06:35

2 stops33h 55m

Sydney Kingsford Smith

Mon 16/3

16:35-11:00

2 stops29h 25m

$1,738

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 9/4

16:50-11:45

3 stops33h 55m

Sydney Kingsford Smith

Wed 22/4

13:00-23:50

3 stops43h 50m

$1,799

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 22/3

11:25-10:25

2 stops60h 00m

Sydney Kingsford Smith

Sun 29/3

12:25-22:00

2 stops43h 35m

$1,822

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 9/3

12:15-10:25

2 stops35h 10m

Sydney Kingsford Smith

Mon 16/3

21:15-19:20

3 stops33h 05m

$1,882

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 21/2

10:55-19:20

2 stops45h 25m

Sydney Kingsford Smith

Thu 12/3

21:00-13:35

3 stops51h 35m

$1,911

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 21/2

20:10-17:55

2 stops34h 45m

Sydney Kingsford Smith

Fri 6/3

16:35-12:20

2 stops30h 45m

$1,917

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 23/3

13:15-06:35

2 stops30h 20m

Sydney Kingsford Smith

Mon 30/3

16:40-13:35

2 stops30h 55m

$1,920

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 21/2

20:10-17:55

2 stops34h 45m

Sydney Kingsford Smith

Fri 6/3

21:45-21:50

2 stops35h 05m

$1,925

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 18/2

16:10-19:20

2 stops40h 10m

Sydney Kingsford Smith

Thu 12/3

21:00-13:35

3 stops51h 35m

$1,940

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 19/2

16:10-19:20

2 stops40h 10m

Sydney Kingsford Smith

Thu 12/3

21:00-13:35

3 stops51h 35m

$1,944

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Porto, with most prices found around $2,117. If you aren’t able to travel to Sydney during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $2,120.

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	56h 35m
Direct flights	None

The fastest flight from Porto to Sydney takes 56h 35m

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

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How far is Porto to Sydney Kingsford Smith by plane?
Porto and Sydney Kingsford Smith are 18054.7 km apart from one another. 56h 35m 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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Lithgow

Leura

Manly

Coogee

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Cronulla

Randwick

Charlestown

Newport

Swansea

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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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