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

Qatar Airways, American Airlines, and Iberia 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.

$942 Cheap Flights from Porto to Sydney (OPO-SYD) in 2025

Q: What is the typical price of a round-trip flight between Porto and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,672 to $2,727. The lowest price recently found on this route was $2,037.

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Find the cheapest flights from Porto to Sydney (OPO-SYD)

Round-trip

One-way

Cheap return flights

07:15 - 08:40OPO-SYD

40h 25m3 stops

09:15 - 20:45SYD-OPO

44h 30m3 stops

$2,037

Find Deal

Wed, 17 Sep - Wed, 24 Sep

06:25 - 14:15OPO-SYD

46h 50m3 stops

21:15 - 22:05SYD-OPO

33h 50m3 stops

$2,097

Find Deal

Thu, 18 Sep - Thu, 25 Sep

06:25 - 14:15OPO-SYD

46h 50m3 stops

21:30 - 22:05SYD-OPO

33h 35m2 stops

$2,126

Find Deal

Thu, 18 Sep - Thu, 25 Sep

12:35 - 07:00OPO-SYD

57h 25m2 stops

09:30 - 06:55SYD-OPO

54h 25m2 stops

$2,262United Airlines

Find Deal

Thu, 4 Sep - Sat, 20 Sep

12:25 - 06:50OPO-SYD

31h 25m2 stops

15:50 - 16:00SYD-OPO

35h 10m2 stops

$2,324Qatar Airways

Find Deal

Fri, 5 Dec - Mon, 22 Dec

16:50 - 09:45OPO-SYD

31h 55m2 stops

12:45 - 15:50SYD-OPO

37h 05m2 stops

$2,391Turkish Airlines

Find Deal

Mon, 29 Sep - Sun, 19 Oct

10:55 - 09:45OPO-SYD

37h 50m2 stops

12:45 - 09:45SYD-OPO

31h 00m2 stops

$2,476Turkish Airlines

Find Deal

Mon, 29 Sep - Sat, 18 Oct

16:40 - 06:50OPO-SYD

27h 10m2 stops

21:40 - 16:00SYD-OPO

29h 20m2 stops

$2,482Qatar Airways

Find Deal

Fri, 5 Dec - Mon, 22 Dec

09:50 - 06:55OPO-SYD

36h 05m2 stops

09:30 - 09:45SYD-OPO

33h 15m2 stops

$2,574United Airlines

Find Deal

Thu, 18 Sep - Thu, 25 Sep

16:20 - 05:10OPO-SYD

27h 50m2 stops

15:50 - 15:30SYD-OPO

33h 40m2 stops

$3,070KLM

Find Deal

Tue, 30 Sep - Mon, 20 Oct

United Airlines flights from Porto to Sydney

Our best United Airlines deals on Porto to Sydney flight tickets

United Airlines

4 Sept

OPO12:35Porto

57h 25m

2 stops

SYD07:00Sydney Kingsford Smith

20 Sept

SYD09:30Sydney Kingsford Smith

54h 25m

2 stops

OPO06:55Porto

$2,262

Find similar

United Airlines

18 Sept

OPO09:50Porto

36h 05m

2 stops

SYD06:55Sydney Kingsford Smith

25 Sept

SYD09:30Sydney Kingsford Smith

33h 15m

2 stops

OPO09:45Porto

$2,574

Find similar

United Airlines

3 Oct

OPO12:35Porto

33h 25m

2 stops

SYD07:00Sydney Kingsford Smith

21 Oct

SYD10:30Sydney Kingsford Smith

33h 15m

2 stops

OPO09:45Porto

$2,709

Find similar

Qatar Airways flights from Porto to Sydney

Our best Qatar Airways deals on Porto to Sydney flight tickets

Qatar Airways

5 Dec

OPO12:25Porto

31h 25m

2 stops

SYD06:50Sydney Kingsford Smith

22 Dec

SYD15:50Sydney Kingsford Smith

35h 10m

2 stops

OPO16:00Porto

$2,324

Find similar

Qatar Airways

5 Dec

OPO16:40Porto

27h 10m

2 stops

SYD06:50Sydney Kingsford Smith

22 Dec

SYD21:40Sydney Kingsford Smith

29h 20m

2 stops

OPO16:00Porto

$2,482

Find similar

Qatar Airways

5 Dec

OPO08:20Porto

35h 30m

2 stops

SYD06:50Sydney Kingsford Smith

22 Dec

SYD21:40Sydney Kingsford Smith

33h 20m

2 stops

OPO20:00Porto

$2,499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 17/9

07:15-08:40

3 stops40h 25m

Sydney Kingsford Smith

Wed 24/9

09:15-20:45

3 stops44h 30m

$2,037

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 18/9

06:25-14:15

3 stops46h 50m

Sydney Kingsford Smith

Thu 25/9

21:15-22:05

3 stops33h 50m

$2,097

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 18/9

06:25-14:15

3 stops46h 50m

Sydney Kingsford Smith

Thu 25/9

21:30-22:05

2 stops33h 35m

$2,126

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 4/9

12:35-07:00

2 stops57h 25m

Sydney Kingsford Smith

Sat 20/9

09:30-06:55

2 stops54h 25m

$2,262

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 5/12

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Mon 22/12

15:50-16:00

2 stops35h 10m

$2,324

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 29/9

16:50-09:45

2 stops31h 55m

Sydney Kingsford Smith

Sun 19/10

12:45-15:50

2 stops37h 05m

$2,391

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 29/9

10:55-09:45

2 stops37h 50m

Sydney Kingsford Smith

Sat 18/10

12:45-09:45

2 stops31h 00m

$2,476

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 5/12

16:40-06:50

2 stops27h 10m

Sydney Kingsford Smith

Mon 22/12

21:40-16:00

2 stops29h 20m

$2,482

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 18/9

09:50-06:55

2 stops36h 05m

Sydney Kingsford Smith

Thu 25/9

09:30-09:45

2 stops33h 15m

$2,574

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 30/9

16:20-05:10

2 stops27h 50m

Sydney Kingsford Smith

Mon 20/10

15:50-15:30

2 stops33h 40m

$3,070

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 typical price of a round-trip flight between Porto and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Porto, with most prices found around $2,049. If you aren’t able to travel to Sydney during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $2,068.

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	$942
Fastest flight time	26h 10m
Direct flights	None
Airports in Sydney	1 airport

The best one-way flight to Sydney from Porto in the past 72 hours is $942. The best return flight deal from Porto to Sydney found on momondo in the last 72 hours is $2,037.

The fastest flight from Porto to Sydney takes 26h 10m

There are no direct flights from Porto to Sydney. Popular non-direct route for this connection is Porto Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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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. 27h 10m 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

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Manly

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Randwick

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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.

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.