How long does it take to fly to Sydney?

If you’re flying from a popular airport in Portugal, such as Porto or Lisbon, and flying into Sydney, then you can expect flight times to average 29h 25m and 40h 05m, respectively.

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 February 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.

$634 Cheap Flights from Portugal to Sydney in 2026

1 adult

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Find the cheapest flights from Portugal to Sydney

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One-way

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Enter your travel dates to find the best prices.

09:15 - 11:45

LIS

SYD

41h 30m

2 stops

20:35 - 07:25

SYD

LIS

43h 50m

2 stops

$1,540Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

16:05 - 18:25

LIS

SYD

41h 20m

2 stops

20:00 - 10:50

SYD

LIS

47h 50m

2 stops

$1,577Multiple Airlines

Fri, 19 Jun - Sun, 19 Jul

07:35 - 18:25

LIS

SYD

49h 50m

2 stops

20:00 - 10:50

SYD

LIS

47h 50m

2 stops

$1,578Multiple Airlines

Mon, 11 May - Mon, 25 May

19:50 - 19:15

LIS

SYD

36h 25m

2 stops

20:45 - 16:25

SYD

LIS

30h 40m

2 stops

$1,640Multiple Airlines

Thu, 12 Mar - Mon, 16 Mar

23:30 - 19:20

LIS

SYD

34h 50m

2 stops

13:00 - 13:50

SYD

LIS

33h 50m

2 stops

$1,696Multiple Airlines

Sun, 5 Apr - Mon, 20 Apr

00:35 - 19:20

OPO

SYD

33h 45m

2 stops

13:00 - 14:20

SYD

OPO

34h 20m

2 stops

$1,705Multiple Airlines

Thu, 9 Apr - Fri, 17 Apr

10:00 - 19:40

LIS

SYD

48h 40m

2 stops

21:05 - 15:40

SYD

LIS

27h 35m

2 stops

$1,719Multiple Airlines

Sun, 10 May - Tue, 19 May

22:40 - 16:50

LIS

SYD

33h 10m

2 stops

20:35 - 23:20

SYD

LIS

35h 45m

2 stops

$1,738Multiple Airlines

Thu, 16 Apr - Sat, 25 Apr

20:35 - 14:15

LIS

SYD

56h 40m

2 stops

21:05 - 23:20

SYD

LIS

35h 15m

2 stops

$1,762Multiple Airlines

Sat, 4 Apr - Sun, 10 May

12:45 - 08:05

OPO

SYD

56h 20m

2 stops

11:50 - 09:30

SYD

OPO

32h 40m

2 stops

$2,085United Airlines

Fri, 13 Mar - Tue, 17 Mar

United Airlines flights from Portugal to Sydney

Our best United Airlines deals on Portugal to Sydney flight tickets

United Airlines

13 Mar

OPO12:45Porto

56h 20m

2 stops

SYD08:05Sydney Kingsford Smith

17 Mar

SYD11:50Sydney Kingsford Smith

32h 40m

2 stops

OPO09:30Porto

$2,085

United Airlines

13 Apr

OPO12:35Porto

33h 25m

2 stops

SYD07:00Sydney Kingsford Smith

26 Apr

SYD09:30Sydney Kingsford Smith

57h 15m

2 stops

OPO09:45Porto

$2,091

United Airlines

13 Apr

OPO12:35Porto

57h 25m

2 stops

SYD07:00Sydney Kingsford Smith

26 Apr

SYD09:30Sydney Kingsford Smith

33h 15m

2 stops

OPO09:45Porto

$2,106

Turkish Airlines flights from Portugal to Sydney

Our best Turkish Airlines deals on Portugal to Sydney flight tickets

Turkish Airlines

16 Apr

LIS05:55Lisbon Humberto Delgado

28h 15m

2 stops

SYD19:10Sydney Kingsford Smith

26 Apr

SYD21:05Sydney Kingsford Smith

35h 15m

2 stops

LIS23:20Lisbon Humberto Delgado

$2,157

Turkish Airlines

8 Mar

LIS06:05Lisbon Humberto Delgado

26h 15m

2 stops

SYD19:20Sydney Kingsford Smith

11 Mar

SYD21:15Sydney Kingsford Smith

28h 50m

2 stops

LIS15:05Lisbon Humberto Delgado

$2,284

Turkish Airlines

8 Mar

LIS06:05Lisbon Humberto Delgado

26h 15m

2 stops

SYD19:20Sydney Kingsford Smith

11 Mar

SYD21:15Sydney Kingsford Smith

28h 50m

2 stops

LIS15:05Lisbon Humberto Delgado

$2,286

Fly from

Fly to

Route

Depart

Return

Price

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 13/4

09:15-11:45

2 stops41h 30m

Sydney Kingsford Smith

Mon 20/4

20:35-07:25

2 stops43h 50m

$1,540

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 19/6

16:05-18:25

2 stops41h 20m

Sydney Kingsford Smith

Sun 19/7

20:00-10:50

2 stops47h 50m

$1,577

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 11/5

07:35-18:25

2 stops49h 50m

Sydney Kingsford Smith

Mon 25/5

20:00-10:50

2 stops47h 50m

$1,578

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 12/3

19:50-19:15

2 stops36h 25m

Sydney Kingsford Smith

Mon 16/3

20:45-16:25

2 stops30h 40m

$1,640

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 5/4

23:30-19:20

2 stops34h 50m

Sydney Kingsford Smith

Mon 20/4

13:00-13:50

2 stops33h 50m

$1,696

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 9/4

00:35-19:20

2 stops33h 45m

Sydney Kingsford Smith

Fri 17/4

13:00-14:20

2 stops34h 20m

$1,705

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 10/5

10:00-19:40

2 stops48h 40m

Sydney Kingsford Smith

Tue 19/5

21:05-15:40

2 stops27h 35m

$1,719

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 16/4

22:40-16:50

2 stops33h 10m

Sydney Kingsford Smith

Sat 25/4

20:35-23:20

2 stops35h 45m

$1,738

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 4/4

20:35-14:15

2 stops56h 40m

Sydney Kingsford Smith

Sun 10/5

21:05-23:20

2 stops35h 15m

$1,762

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 13/3

12:45-08:05

2 stops56h 20m

Sydney Kingsford Smith

Tue 17/3

11:50-09:30

2 stops32h 40m

$2,085

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

Other information

What is the cheapest month to fly to Sydney?

The month of September is, on average, the cheapest month to fly to Sydney from Portugal, with most prices found around $2,101. 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 $2,147.

How far in advance should I book a flight 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 $2,346 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 $2,123 on momondo.

Can stopping save me money on Portugal to Sydney flights?

You could potentially save up to 17% 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	29h 25m
Direct flights	None

The fastest flight from Portugal to Sydney takes 29h 25m

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

Search flight deals

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 February 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 $1,936	Free cancellation	Rating 7.3 1,421 reviews		Search Etihad Airways flights
Air France	PriceFrom $2,152	Free cancellation	Rating 7.4 1,541 reviews		Search Air France flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

Cronulla

Randwick

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.