How long is the flight from Portugal to Sydney?

Departing from Portugal to Sydney will take you 29h 45m. There are 18087 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.

$736+ 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 28 September 2026.

Mon 30/1120:50 -

2 stops53h 30m

Wed 10/321:30 -

1 stop44h 25m

Deal found 26/9$1,554

Sat 28/1105:55 -

2 stops26h 30m

Sat 16/121:35 -

2 stops28h 35m

Deal found 27/9$1,590

Sun 8/1116:10 -

2 stops40h 15m

Tue 24/1121:35 -

2 stops28h 35m

Deal found 26/9$1,596

Mon 9/1105:55 -

2 stops26h 30m

Tue 17/1121:35 -

2 stops48h 00m

Deal found 24/9$1,597

Fri 13/1111:35 -

2 stops44h 50m

Fri 20/1121:35 -

2 stops48h 00m

Deal found 24/9$1,601

Sat 7/1105:55 -

2 stops26h 30m

Sun 22/1121:35 -

2 stops28h 35m

Deal found 26/9$1,603

Fri 27/1105:55 -

2 stops26h 30m

Fri 15/121:35 -

2 stops28h 35m

Deal found 27/9$1,613

Fri 6/1105:55 -

2 stops26h 30m

Fri 13/1121:35 -

2 stops52h 35m

Deal found 24/9$1,614

Fri 27/1105:55 -

2 stops26h 30m

Thu 14/121:35 -

2 stops28h 35m

Deal found 27/9$1,616

Mon 2/1117:35 -

2 stops51h 20m

Wed 25/1116:20 -

2 stops35h 30m

Deal found 24/9$1,618

Thu 5/1110:55 -

2 stops69h 30m

Thu 19/1121:35 -

2 stops52h 50m

Deal found 24/9$1,620

Fri 6/1116:25 -

2 stops40h 00m

Thu 19/1121:35 -

2 stops28h 50m

Deal found 25/9$1,621

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 28 September 2026.

Mon 8/215:45 -

3 stops32h 40m

Mon 22/216:20 -

2 stops30h 45m

Deal found 28/9$1,593

Wed 4/1111:35 -

2 stops44h 50m

Sun 8/1121:35 -

2 stops36h 50m

Deal found 27/9$1,685

Thu 22/1012:10 -

3 stops34h 50m

Mon 26/1012:00 -

2 stops35h 55m

Deal found 24/9$1,823

Tue 10/1114:40 -

3 stops29h 45m

Tue 17/1106:35 -

3 stops42h 15m

Deal found 25/9$2,406

Fri 12/308:15 -

1 stop22h 30m

Fri 26/321:30 -

1 stop44h 05m

Deal found 23/9$2,440

Fri 4/1208:00 -

1 stop35h 50m

Sat 12/1215:50 -

1 stop25h 30m

Deal found 23/9$2,699

Wed 11/1116:25 -

2 stops64h 00m

Sun 15/1121:35 -

2 stops28h 50m

Deal found 24/9$1,702

Sun 8/1118:50 -

2 stops49h 05m

Mon 23/1116:20 -

2 stops30h 45m

Deal found 26/9$1,755

Wed 4/1116:25 -

2 stops40h 00m

Tue 24/1121:35 -

2 stops28h 50m

Deal found 24/9$1,715

Sat 21/1110:55 -

2 stops69h 30m

Sat 5/1207:55 -

3 stops61h 00m

Deal found 28/9$2,064

Fri 6/1106:05 -

3 stops64h 55m

Sun 6/1221:30 -

3 stops51h 00m

Deal found 26/9$2,080

Thu 5/1117:40 -

2 stops38h 40m

Thu 19/1116:20 -

2 stops35h 55m

Deal found 25/9$2,248

Mon 26/1019:10 -

2 stops52h 10m

Fri 27/1106:35 -

3 stops42h 15m

Deal found 28/9$2,558

Sat 9/116:25 -

3 stops51h 05m

Sat 23/121:35 -

2 stops47h 20m

Deal found 28/9$2,115

Wed 4/1108:15 -

1 stop35h 15m

Sun 8/1116:50 -

1 stop25h 05m

Deal found 27/9$2,585

Sun 8/1110:55 -

2 stops45h 30m

Sat 21/1107:55 -

3 stops42h 30m

Deal found 23/9$2,168

Tue 12/110:55 -

2 stops45h 30m

Sun 31/107:55 -

3 stops42h 30m

Deal found 26/9$2,182

Sun 1/1108:00 -

1 stop35h 50m

Mon 16/1121:30 -

1 stop44h 25m

Deal found 23/9$2,255

Tue 10/1111:15 -

3 stops32h 40m

Tue 17/1110:25 -

2 stops35h 05m

Deal found 25/9$2,350

Mon 26/1018:25 -

2 stops37h 55m

Fri 30/1021:30 -

2 stops47h 50m

Deal found 28/9$2,446

Mon 26/1021:05 -

1 stop36h 00m

Tue 10/1110:20 -

1 stop44h 25m

Deal found 28/9$2,652

Sun 25/1014:10 -

2 stops34h 45m

Sun 1/1121:35 -

2 stops34h 00m

Deal found 27/9$2,653

Mon 19/1016:35 -

2 stops52h 50m

Thu 12/1112:30 -

3 stops37h 55m

Deal found 24/9$2,692

Wed 10/305:55 -

3 stops37h 35m

Fri 26/307:55 -

3 stops37h 40m

Deal found 25/9$2,696

Find flight deals from Portugal to Sydney

Round-trip from	$1,554
One-way from	$736
Popular in	April
Cheapest in	June
Average price	$2,295

Etihad Airways
30/11-10/3
3 total stops
97h 55m total
Portugal to Sydney

Search Deals

5/11-31/12
3 total stops
54h 05m total
Portugal to Sydney

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($203 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($85 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 9/11

06:30-13:20

3 stops43h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$831

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Tue 2/3

06:45-18:50

2 stops49h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$917

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 26/10

19:55-13:20

3 stops54h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$944

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Wed 14/10

20:15-12:45

3 stops54h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$976

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Fri 30/10

19:25-14:50

2 stops56h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,018

FunchalSydney

FNC Funchal Madeira - SYD Sydney Kingsford Smith

FNCSYD

Funchal Madeira

Sat 24/10

00:10-10:00

3 stops47h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-14:00

Nonstop0h 00m

$1,133

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Sat 21/11

05:00-09:35

3 stops65h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,283

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Tue 2/3

07:50-19:20

1 stop24h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,396

Fastest return journey

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Mon 15/3

08:15-17:45

1 stop22h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,466

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Thu 19/11

14:15-06:50

1 stop29h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,480

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 48 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.

FAO-SYD

OPO-SYD

LIS-SYD

FNC-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

FAO-SYD

OPO-SYD

LIS-SYD

FNC-SYD

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

Currently, March is the cheapest month in which you can book a flight from Portugal to Sydney (average of $2,248). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,150). 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

1,540 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yaacov,Sept 2026

JFK - AUH

Excellent all around. Most comfortable seats in economy I’ve ever experienced. The staff were all very friendly and accommodating in all respects.

Etihad Airways

7.3

Good

1,540 reviews

Etihad Airways

7.3

Good

1,540 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Yaacov,Sept 2026

JFK - AUH

Excellent all around. Most comfortable seats in economy I’ve ever experienced. The staff were all very friendly and accommodating in all respects.

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 29h 45m. There are 18087 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, March is the cheapest month in which you can book a flight from Portugal to Sydney (average of $2,248). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,150). 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$2,142	Average$2,376	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 $736

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. 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 28 September 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 28 September 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 28 September 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 28 September 2026.

Last-minute flights from Portugal to SydneyDiscover last-minute flight deals from Portugal to Sydney. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from Portugal to Sydney. Data last updated 28 September 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 28 September 2026.

Search for one-way flight options from Portugal to Sydney. Find affordable one-way fares based on user searches. Data last updated 28 September 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 28 September 2026.

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Portugal to Sydney flights

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Top airline flying from Portugal to Sydney

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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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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 28 September 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 28 September 2026.

Last-minute flights from Portugal to Sydney
Discover last-minute flight deals from Portugal to Sydney. Data last updated 28 September 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 28 September 2026.