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

Qatar Airways is the most popular carrier 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.

$781 Cheap Flights from Porto to Sydney in 2026/27

Find the cheapest flights from Porto to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:40 - 13:35OPO Porto-SYD Sydney Kingsford Smith

35h 55m3 stops Madrid Barajas Wenzhou Shanghai Pu Dong

10:30 - 22:35SYD Sydney Kingsford Smith-OPO Porto

47h 05m3 stops Beijing Capital Istanbul Geneva Geneve-Cointrin

$1,821Multiple Airlines

Sat, 12 Dec - Mon, 11 Jan

07:35 - 08:05OPO Porto-SYD Sydney Kingsford Smith

37h 30m2 stops Madrid Barajas Beijing Capital

10:30 - 19:20SYD Sydney Kingsford Smith-OPO Porto

43h 50m2 stops Beijing Capital Madrid Barajas

$1,909Multiple Airlines

Mon, 14 Dec - Wed, 30 Dec

16:05 - 13:35OPO Porto-SYD Sydney Kingsford Smith

34h 30m3 stops Madrid Barajas Wenzhou Shanghai Pu Dong

21:30 - 11:00SYD Sydney Kingsford Smith-OPO Porto

48h 30m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado

$1,918Multiple Airlines

Sat, 12 Dec - Mon, 11 Jan

05:00 - 08:05OPO Porto-SYD Sydney Kingsford Smith

40h 05m3 stops Lisbon Humberto Delgado Madrid Barajas Beijing Capital

10:30 - 23:45SYD Sydney Kingsford Smith-OPO Porto

48h 15m3 stops Beijing Capital Madrid Barajas Lisbon Humberto Delgado

$1,925Multiple Airlines

Mon, 14 Dec - Wed, 30 Dec

11:00 - 08:05OPO Porto-SYD Sydney Kingsford Smith

34h 05m3 stops Lisbon Humberto Delgado Milan Malpensa Beijing Daxing Intl

21:30 - 11:00SYD Sydney Kingsford Smith-OPO Porto

48h 30m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado

$1,950Multiple Airlines

Fri, 11 Dec - Mon, 11 Jan

07:35 - 08:05OPO Porto-SYD Sydney Kingsford Smith

37h 30m2 stops Madrid Barajas Beijing Capital

10:30 - 15:15SYD Sydney Kingsford Smith-OPO Porto

39h 45m2 stops Beijing Capital Madrid Barajas

$2,009Multiple Airlines

Fri, 11 Dec - Mon, 11 Jan

20:10 - 17:45OPO Porto-SYD Sydney Kingsford Smith

34h 35m2 stops Madrid Barajas Abu Dhabi Zayed Intl

16:50 - 17:25SYD Sydney Kingsford Smith-OPO Porto

35h 35m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,087Multiple Airlines

Sat, 20 Feb - Sun, 28 Feb

08:45 - 06:30OPO Porto-SYD Sydney Kingsford Smith

34h 45m2 stops Barcelona-El Prat Abu Dhabi Zayed Intl

21:30 - 19:40SYD Sydney Kingsford Smith-OPO Porto

33h 10m2 stops Abu Dhabi Zayed Intl London Heathrow

$2,094Multiple Airlines

Thu, 14 Jan - Thu, 28 Jan

08:40 - 06:30OPO Porto-SYD Sydney Kingsford Smith

34h 50m2 stops Barcelona-El Prat Abu Dhabi Zayed Intl

21:30 - 06:45SYD Sydney Kingsford Smith-OPO Porto

44h 15m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,113Multiple Airlines

Mon, 14 Dec - Wed, 30 Dec

07:35 - 06:30OPO Porto-SYD Sydney Kingsford Smith

35h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl

21:30 - 11:00SYD Sydney Kingsford Smith-OPO Porto

48h 30m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado

$2,116Etihad Airways

Sat, 12 Dec - Mon, 11 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:50 - 18:35OPO Porto-SYD Sydney Kingsford Smith

35h 45m2 stops Dublin Abu Dhabi Zayed Intl

21:30 - 15:15SYD Sydney Kingsford Smith-OPO Porto

52h 45m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,021Multiple Airlines

Sat, 14 Nov - Mon, 30 Nov

12:00 - 06:30OPO Porto-SYD Sydney Kingsford Smith

31h 30m3 stops Lisbon Humberto Delgado Barcelona-El Prat Abu Dhabi Zayed Intl

21:30 - 15:15SYD Sydney Kingsford Smith-OPO Porto

52h 45m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,173Multiple Airlines

Sat, 14 Nov - Mon, 30 Nov

16:15 - 06:50OPO Porto-SYD Sydney Kingsford Smith

27h 35m2 stops Frankfurt am Main Doha Hamad Intl

21:30 - 22:00SYD Sydney Kingsford Smith-OPO Porto

35h 30m3 stops Shanghai Pu Dong London Gatwick Lisbon Humberto Delgado

$2,240Multiple Airlines

Fri, 13 Nov - Thu, 26 Nov

16:15 - 06:50OPO Porto-SYD Sydney Kingsford Smith

27h 35m2 stops Frankfurt am Main Doha Hamad Intl

22:30 - 22:00SYD Sydney Kingsford Smith-OPO Porto

34h 30m2 stops New Delhi Indira Gandhi Intl Paris Charles de Gaulle

$2,298Multiple Airlines

Fri, 13 Nov - Thu, 26 Nov

16:15 - 06:50OPO Porto-SYD Sydney Kingsford Smith

27h 35m2 stops Frankfurt am Main Doha Hamad Intl

21:30 - 22:00SYD Sydney Kingsford Smith-OPO Porto

35h 30m3 stops Shanghai Pu Dong London Gatwick Lisbon Humberto Delgado

$2,412Multiple Airlines

Fri, 13 Nov - Thu, 26 Nov

21:55 - 19:20OPO Porto-SYD Sydney Kingsford Smith

34h 25m2 stops Barcelona-El Prat Doha Hamad Intl

15:50 - 16:00SYD Sydney Kingsford Smith-OPO Porto

35h 10m2 stops Doha Hamad Intl Madrid Barajas

$2,420Qatar Airways

Fri, 13 Nov - Thu, 26 Nov

08:45 - 06:30OPO Porto-SYD Sydney Kingsford Smith

34h 45m3 stops Barcelona-El Prat Paris Orly Abu Dhabi Zayed Intl

09:50 - 19:00SYD Sydney Kingsford Smith-OPO Porto

44h 10m3 stops Kuala Lumpur Intl Abu Dhabi Zayed Intl Lisbon Humberto Delgado

$2,436Multiple Airlines

Fri, 13 Nov - Thu, 26 Nov

20:10 - 18:35OPO Porto-SYD Sydney Kingsford Smith

35h 25m2 stops Madrid Barajas Abu Dhabi Zayed Intl

21:30 - 06:45SYD Sydney Kingsford Smith-OPO Porto

44h 15m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,455Etihad Airways

Wed, 18 Nov - Thu, 10 Dec

11:35 - 06:30OPO Porto-SYD Sydney Kingsford Smith

31h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl

21:30 - 10:50SYD Sydney Kingsford Smith-OPO Porto

48h 20m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,471Etihad Airways

Wed, 18 Nov - Thu, 10 Dec

20:10 - 18:35OPO Porto-SYD Sydney Kingsford Smith

35h 25m2 stops Madrid Barajas Abu Dhabi Zayed Intl

21:30 - 06:45SYD Sydney Kingsford Smith-OPO Porto

44h 15m2 stops Abu Dhabi Zayed Intl Madrid Barajas

$2,503Etihad Airways

Wed, 18 Nov - Thu, 10 Dec

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

Etihad Airways flights from Porto to Sydney

Our best Etihad Airways deals on Porto to Sydney flight tickets

Etihad Airways

12 Dec

OPO07:35Porto

35h 55m

2 stops

SYD06:30Sydney Kingsford Smith

11 Jan

SYD21:30Sydney Kingsford Smith

48h 30m

2 stops

OPO11:00Porto

$2,116

Etihad Airways

18 Nov

OPO20:10Porto

35h 25m

2 stops

SYD18:35Sydney Kingsford Smith

10 Dec

SYD21:30Sydney Kingsford Smith

44h 15m

2 stops

OPO06:45Porto

$2,455

Etihad Airways

15 Dec

OPO16:05Porto

27h 25m

2 stops

SYD06:30Sydney Kingsford Smith

1 Jan

SYD16:50Sydney Kingsford Smith

37h 30m

2 stops

OPO19:20Porto

$2,464

Qatar Airways flights from Porto to Sydney

Our best Qatar Airways deals on Porto to Sydney flight tickets

Qatar Airways

22 Dec

OPO20:40Porto

35h 40m

2 stops

SYD19:20Sydney Kingsford Smith

29 Dec

SYD21:10Sydney Kingsford Smith

45h 30m

2 stops

OPO07:40Porto

$2,406

Qatar Airways

13 Nov

OPO21:55Porto

34h 25m

2 stops

SYD19:20Sydney Kingsford Smith

26 Nov

SYD15:50Sydney Kingsford Smith

35h 10m

2 stops

OPO16:00Porto

$2,420

Qatar Airways

22 Dec

OPO20:40Porto

47h 10m

2 stops

SYD06:50Sydney Kingsford Smith

29 Dec

SYD21:10Sydney Kingsford Smith

59h 05m

2 stops

OPO21:15Porto

$2,442

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 12/12

14:40-13:35

3 stops35h 55m

Sydney Kingsford Smith

Mon 11/1

10:30-22:35

3 stops47h 05m

$1,821

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 14/12

07:35-08:05

2 stops37h 30m

Sydney Kingsford Smith

Wed 30/12

10:30-19:20

2 stops43h 50m

$1,909

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 12/12

16:05-13:35

3 stops34h 30m

Sydney Kingsford Smith

Mon 11/1

21:30-11:00

2 stops48h 30m

$1,918

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 14/12

05:00-08:05

3 stops40h 05m

Sydney Kingsford Smith

Wed 30/12

10:30-23:45

3 stops48h 15m

$1,925

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Fri 11/12

11:00-08:05

3 stops34h 05m

Sydney Kingsford Smith

Mon 11/1

21:30-11:00

2 stops48h 30m

$1,950

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Fri 11/12

07:35-08:05

2 stops37h 30m

Sydney Kingsford Smith

Mon 11/1

10:30-15:15

2 stops39h 45m

$2,009

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 20/2

20:10-17:45

2 stops34h 35m

Sydney Kingsford Smith

Sun 28/2

16:50-17:25

2 stops35h 35m

$2,087

Fastest return journey

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 14/1

08:45-06:30

2 stops34h 45m

Sydney Kingsford Smith

Thu 28/1

21:30-19:40

2 stops33h 10m

$2,094

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 14/12

08:40-06:30

2 stops34h 50m

Sydney Kingsford Smith

Wed 30/12

21:30-06:45

2 stops44h 15m

$2,113

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 12/12

07:35-06:30

2 stops35h 55m

Sydney Kingsford Smith

Mon 11/1

21:30-11:00

2 stops48h 30m

$2,116

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 June 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 June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $0.

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

Best price found	$781
Fastest flight time	24h 30m
Direct flights	None

The best one-way flight to Sydney from Porto in the past 72 hours is $781. The best return flight deal from Porto to Sydney found on momondo in the last 72 hours is $1,821.

The fastest flight from Porto to Sydney takes 24h 30m

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. 24h 30m 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.

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Randwick

Cronulla

Leura

Bondi Beach

Charlestown

Newport

Swansea

Why use momondo?

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.

I’m not ready to book a flight from Porto to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Porto to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.