How long is the flight from Portugal to Sydney?

Departing from Portugal to Sydney will take you 22h 40m. There are 18163 km between Portugal and Sydney. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from PT to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to Sydney as you normally would.

What airport do you fly into for flights to Sydney from Portugal?

For a flight from Portugal to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

Can I find deals for flights from Portugal to Sydney that include hotel bookings?

Yes. In addition to deals on Portugal to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Portugal to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Sydney.

Can I find deals for business class flights from Portugal to Sydney?

Yes. Cheapflights offers flight deals from Portugal to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$725+ Cheap Flights from Portugal to Sydney

Cheap flight deals from Portugal to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Portugal to Sydney
Explore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Sun 13/909:40 -

2 stops48h 45m

Tue 29/920:50 -

1 stop43h 35m

Deal found 22/8$1,588

Tue 1/920:20 -

2 stops51h 40m

Tue 29/920:50 -

1 stop43h 35m

Deal found 20/8$1,665

Sat 17/1019:05 -

2 stops58h 10m

Mon 16/1121:30 -

1 stop44h 25m

Deal found 21/8$1,699

Fri 18/920:10 -

2 stops61h 55m

Mon 28/920:35 -

2 stops53h 00m

Deal found 19/8$1,775

Fri 18/914:50 -

3 stops33h 00m

Thu 1/1020:50 -

2 stops34h 15m

Deal found 19/8$1,828

Mon 7/917:25 -

2 stops34h 10m

Tue 22/915:40 -

2 stops35h 40m

Deal found 22/8$1,908

Sat 19/916:05 -

3 stops35h 30m

Mon 5/1021:35 -

2 stops51h 40m

Deal found 21/8$2,024

Fri 18/910:40 -

2 stops47h 30m

Thu 1/1021:05 -

2 stops45h 40m

Deal found 19/8$2,151

Mon 7/910:40 -

2 stops47h 30m

Tue 22/921:05 -

2 stops27h 35m

Deal found 19/8$2,155

Fri 11/910:40 -

2 stops47h 30m

Thu 24/921:05 -

2 stops27h 40m

Deal found 19/8$2,164

Thu 5/1120:05 -

2 stops36h 15m

Mon 23/1122:10 -

2 stops34h 05m

Deal found 17/8$2,171

Fri 18/916:45 -

2 stops41h 25m

Fri 25/921:05 -

2 stops45h 40m

Deal found 21/8$2,186

Best flights from Portugal to Sydney
Discover carefully curated flight deals from Portugal to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Mon 7/917:25 -

2 stops34h 10m

Tue 22/915:40 -

2 stops32h 20m

Deal found 22/8$1,932

Sun 13/909:10 -

1 stop22h 40m

Tue 29/920:50 -

1 stop43h 35m

Deal found 20/8$2,130

Sat 31/1018:45 -

2 stops49h 10m

Sat 20/211:00 -

3 stops33h 50m

Deal found 22/8$2,228

Tue 12/108:20 -

2 stops48h 00m

Sun 31/122:10 -

2 stops45h 00m

Deal found 18/8$2,245

Sat 31/1012:20 -

2 stops34h 00m

Sat 20/209:20 -

2 stops33h 50m

Deal found 19/8$2,384

Sun 1/1121:40 -

1 stop35h 25m

Thu 26/1121:55 -

1 stop32h 40m

Deal found 20/8$2,498

Wed 13/114:05 -

2 stops29h 25m

Mon 25/120:05 -

2 stops31h 30m

Deal found 17/8$2,056

Sat 7/1120:40 -

2 stops35h 40m

Wed 11/1115:50 -

2 stops35h 10m

Deal found 18/8$2,261

Sun 14/210:40 -

2 stops33h 35m

Tue 23/216:20 -

2 stops28h 25m

Deal found 21/8$2,306

Tue 12/108:20 -

2 stops48h 00m

Sun 31/122:10 -

2 stops32h 50m

Deal found 20/8$2,264

Wed 11/1120:40 -

2 stops47h 10m

Sun 15/1115:50 -

2 stops50h 50m

Deal found 21/8$2,278

Thu 18/215:50 -

2 stops28h 05m

Sun 21/216:20 -

2 stops28h 25m

Deal found 21/8$2,363

Thu 1/1018:00 -

2 stops30h 00m

Thu 8/1021:35 -

2 stops43h 15m

Deal found 17/8$2,298

Wed 4/1110:45 -

2 stops33h 10m

Sun 8/1116:20 -

2 stops28h 25m

Deal found 20/8$2,363

Sun 4/1006:15 -

3 stops42h 30m

Sun 11/1022:05 -

2 stops45h 35m

Deal found 20/8$2,460

Sun 1/1106:00 -

3 stops37h 30m

Thu 26/1121:35 -

2 stops36h 50m

Deal found 19/8$2,548

Find flight deals from Portugal to Sydney

Round-trip from	$1,588
One-way from	$725
Popular in	April
Cheapest in	March
Average price	$2,563

Etihad Airways
13/9-29/9
3 total stops
92h 20m total
Portugal to Sydney

Search Deals

30/11
2 total stops
46h 45m total
Portugal to Sydney

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($143 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($82 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 7/9

17:25-12:35

2 stops34h 10m

Sydney Kingsford Smith

Tue 22/9

15:40-15:00

2 stops32h 20m

$1,932

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Wed 13/1

14:05-06:30

2 stops29h 25m

Sydney Kingsford Smith

Mon 25/1

20:05-16:35

2 stops31h 30m

$2,056

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Sun 13/9

09:10-16:50

1 stop22h 40m

Sydney Kingsford Smith

Tue 29/9

20:50-07:25

1 stop43h 35m

$2,130

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Sat 31/10

18:45-06:55

2 stops49h 10m

Sydney Kingsford Smith

Sat 20/2

11:00-09:50

3 stops33h 50m

$2,228

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 12/1

08:20-19:20

2 stops48h 00m

Sydney Kingsford Smith

Sun 31/1

22:10-08:10

2 stops45h 00m

$2,245

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 7/11

20:40-19:20

2 stops35h 40m

Sydney Kingsford Smith

Wed 11/11

15:50-16:00

2 stops35h 10m

$2,261

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 12/1

08:20-19:20

2 stops48h 00m

Sydney Kingsford Smith

Sun 31/1

22:10-20:00

2 stops32h 50m

$2,264

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Wed 11/11

20:40-06:50

2 stops47h 10m

Sydney Kingsford Smith

Sun 15/11

15:50-07:40

2 stops50h 50m

$2,278

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 1/10

18:00-09:00

2 stops30h 00m

Sydney Kingsford Smith

Thu 8/10

21:35-06:50

2 stops43h 15m

$2,298

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Sun 14/2

10:40-07:15

2 stops33h 35m

Sydney Kingsford Smith

Tue 23/2

16:20-09:45

2 stops28h 25m

$2,306

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 27 resultsSorted by cheapest first

Best time to book a flight from Portugal to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portugal with our price prediction graph.

LIS-SYD

OPO-SYD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Sydney

PT0-SYD

LIS-SYD

OPO-SYD

What is the cheapest month to book a flight from Portugal to Sydney?

Currently, June is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,963). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portugal to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Etihad Airways from Portugal to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Etihad Airways

7.3

Good

1,507 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,June 2026

AUH - KBL

really liked the excellent customer service, friendly staff, smooth check-in process, and comfortable flight. Everyone was professional and helpful, which made my journey enjoyable and stress-free.

Etihad Airways

7.3

Good

1,507 reviews

Etihad Airways

7.3

Good

1,507 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,June 2026

AUH - KBL

really liked the excellent customer service, friendly staff, smooth check-in process, and comfortable flight. Everyone was professional and helpful, which made my journey enjoyable and stress-free.

Related info for your journey

What airport do you fly into for flights to Sydney from Portugal?
For a flight from Portugal to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.
How long is the flight from Portugal to Sydney?
Departing from Portugal to Sydney will take you 22h 40m. There are 18163 km between Portugal and Sydney. This flight may include one or multiple stops.
Can I find deals for flights from Portugal to Sydney that include hotel bookings?
Yes. In addition to deals on Portugal to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portugal to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Sydney.
Can I find deals for business class flights from Portugal to Sydney?
Yes. Cheapflights offers flight deals from Portugal to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portugal to Sydney?
Currently, June is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,963). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Portugal to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$2,102	Average$2,482	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portugal to Sydney?

Cheapflights helps you search for flights from Portugal to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portugal to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Portugal to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portugal to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Portugal to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Portugal to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Portugal to Sydney from $725

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portugal to Sydney

Cheapest flights from Portugal to SydneyExplore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Portugal to SydneyDiscover carefully curated flight deals from Portugal to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Portugal to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Portugal to SydneyDiscover last-minute flight deals from Portugal to Sydney. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Portugal to Sydney. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Portugal to SydneySearch for one-way flight options from Portugal to Sydney. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Portugal to Sydney. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Find flight deals from Portugal to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Sydney that are best for you.

Best time to book a flight from Portugal to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portugal with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Portugal to Sydney?

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

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portugal to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Etihad Airways from Portugal to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Sydney from Portugal?

How long is the flight from Portugal to Sydney?

Can I find deals for flights from Portugal to Sydney that include hotel bookings?

How can I find direct flights from Portugal to Sydney?

Can I find deals for business class flights from Portugal to Sydney?

What is the cheapest month to book a flight from Portugal to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portugal to Sydney

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Complete your trip

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Search flights from Portugal to Sydney by cabin class

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Portugal and Sydney flights

Browse other Portugal and Sydney flight options. Last updated on 22 August 2026.

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Portugal to Sydney flights

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Top airline flying from Portugal to Sydney

Fly with Cheapflights

How does Cheapflights help users find flights from Portugal to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Portugal to Sydney?

Can Cheapflights find flights from Portugal to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Portugal to Sydney become cheaper?

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Book with flexibility

Travel Smart

Cheapest flights from Portugal to Sydney
Explore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Portugal to Sydney
Discover carefully curated flight deals from Portugal to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Portugal to Sydney
Discover last-minute flight deals from Portugal to Sydney. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Portugal to Sydney
Search for one-way flight options from Portugal to Sydney. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.