How long does it take to fly to Sydney?

If you’re flying from a popular airport in Portugal, such as Lisbon or Porto, and flying into Sydney, then you can expect flight times to average 22h 35m and 30h 25m, respectively.

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

Etihad Airways, Iberia, and Qatar Airways are the most popular carriers operating from Portugal to Sydney Kingsford Smith

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

Prices for flights from Portugal to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Portugal to Sydney Kingsford Smith Airport?

As of May 2026, there are 2 operators available to choose from for flights from Portugal to Sydney Kingsford Smith Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portugal 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.

$799 Cheap Flights from Portugal to Sydney in 2026

1 adult

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Find the cheapest flights from Portugal to Sydney

Round-trip

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Recent return flight deals from Portugal to Sydney

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15:00 - 18:25

LIS

SYD

42h 25m

2 stops

16:40 - 07:25

SYD

LIS

24h 45m

1 stop

$1,611Multiple Airlines

Fri, 18 Sep - Fri, 9 Oct

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

15:40 - 07:25

SYD

LIS

24h 45m

1 stop

$1,714Etihad Airways

Sun, 28 Jun - Sun, 12 Jul

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

21:30 - 07:25

SYD

LIS

42h 55m

1 stop

$1,717Etihad Airways

Sun, 28 Jun - Mon, 13 Jul

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

15:40 - 07:25

SYD

LIS

24h 45m

1 stop

$1,721Etihad Airways

Sun, 28 Jun - Sun, 12 Jul

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

21:30 - 07:25

SYD

LIS

42h 55m

1 stop

$1,729Etihad Airways

Sun, 28 Jun - Mon, 13 Jul

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

21:30 - 07:25

SYD

LIS

42h 55m

1 stop

$1,732Etihad Airways

Wed, 1 Jul - Mon, 20 Jul

09:15 - 06:10

LIS

SYD

35h 55m

1 stop

10:20 - 23:20

SYD

LIS

46h 00m

2 stops

$1,788Multiple Airlines

Wed, 1 Jul - Fri, 17 Jul

10:45 - 09:45

OPO

SYD

38h 00m

2 stops

11:05 - 09:40

SYD

OPO

31h 35m

2 stops

$2,109Turkish Airlines

Sat, 13 Jun - Sun, 28 Jun

16:40 - 06:50

OPO

SYD

27h 10m

2 stops

15:50 - 16:00

SYD

OPO

35h 10m

2 stops

$2,134Qatar Airways

Thu, 12 Nov - Mon, 16 Nov

12:25 - 06:50

OPO

SYD

31h 25m

2 stops

15:50 - 16:00

SYD

OPO

35h 10m

2 stops

$2,208Qatar Airways

Thu, 12 Nov - Mon, 16 Nov

United Airlines flights from Portugal to Sydney

Our best United Airlines deals on Portugal to Sydney flight tickets

United Airlines

29 June

OPO12:35Porto

33h 25m

2 stops

SYD07:00Sydney Kingsford Smith

13 July

SYD09:30Sydney Kingsford Smith

30h 25m

2 stops

OPO06:55Porto

$2,922

United Airlines

29 June

OPO09:00Porto

37h 00m

2 stops

SYD07:00Sydney Kingsford Smith

13 July

SYD09:30Sydney Kingsford Smith

33h 15m

2 stops

OPO09:45Porto

$2,924

United Airlines

13 June

LIS12:20Lisbon Humberto Delgado

57h 35m

3 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

31h 50m

2 stops

LIS08:20Lisbon Humberto Delgado

$3,015

Iberia flights from Portugal to Sydney

Our best Iberia deals on Portugal to Sydney flight tickets

Iberia

20 June

OPO20:40Porto

35h 30m

2 stops

SYD17:10Sydney Kingsford Smith

6 July

SYD20:45Sydney Kingsford Smith

43h 55m

2 stops

OPO07:40Porto

$2,987

Iberia

9 June

LIS19:10Lisbon Humberto Delgado

37h 20m

2 stops

SYD17:30Sydney Kingsford Smith

14 June

SYD20:45Sydney Kingsford Smith

43h 10m

1 stop

LIS06:55Lisbon Humberto Delgado

$3,013

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 18/9

15:00-18:25

2 stops42h 25m

Sydney Kingsford Smith

Fri 9/10

16:40-07:25

1 stop24h 45m

$1,611

Fastest return journey

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 28/6

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Sun 12/7

15:40-07:25

1 stop24h 45m

$1,714

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 28/6

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Mon 13/7

21:30-07:25

1 stop42h 55m

$1,717

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 28/6

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Sun 12/7

15:40-07:25

1 stop24h 45m

$1,721

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 28/6

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Mon 13/7

21:30-07:25

1 stop42h 55m

$1,729

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 1/7

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Mon 20/7

21:30-07:25

1 stop42h 55m

$1,732

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 1/7

09:15-06:10

1 stop35h 55m

Sydney Kingsford Smith

Fri 17/7

10:20-23:20

2 stops46h 00m

$1,788

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 13/6

10:45-09:45

2 stops38h 00m

Sydney Kingsford Smith

Sun 28/6

11:05-09:40

2 stops31h 35m

$2,109

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/11

16:40-06:50

2 stops27h 10m

Sydney Kingsford Smith

Mon 16/11

15:50-16:00

2 stops35h 10m

$2,134

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/11

12:25-06:50

2 stops31h 25m

Sydney Kingsford Smith

Mon 16/11

15:50-16:00

2 stops35h 10m

$2,208

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 Portugal 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

Other information

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Portugal, with most prices found around $857. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $860.

How far in advance should I book a flight from Portugal to Sydney?

You are more likely to see cheaper flights to Sydney from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,394 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Portugal for as low as $2,169 on momondo.

Can stopping save me money on Portugal to Sydney flights?

You could potentially save up to 32% on your flight if you consider stops on a Portugal to Sydney flight.

Cheap Portugal to Sydney flight deals and tips

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

Fastest flight time	22h 35m
Direct flights	None

The fastest flight from Portugal to Sydney takes 22h 35m

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

Search flight deals

Frequently asked questions about flying from Portugal to Sydney

When did momondo last update prices for flights from Portugal to Sydney Kingsford Smith Airport?
Prices for flights from Portugal to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Portugal to Sydney Kingsford Smith Airport?
As of May 2026, there are 2 operators available to choose from for flights from Portugal to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Portugal to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portugal 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.

Best airlines flying from Portugal to Sydney

Compare and see reviews for airlines that fly from Portugal to Sydney with momondo

Airline	Rating	Free cancellation	Price
Etihad Airways	PriceFrom $1,917	Free cancellation	Rating 7.3 1,444 reviews		Search Etihad Airways flights
Air France	PriceFrom $2,131	Free cancellation	Rating 7.4 1,596 reviews		Search Air France flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Coogee

Leura

Bondi Beach

Randwick

Cronulla

Charlestown

Newport

Swansea

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Portugal.

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

Yes. momondo enables you to select and highlight flights to Sydney from Portugal with this policy.

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

momondo helps you find the best flight between Portugal and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Sydney from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.