How long is the flight from Portugal to Sydney?

Departing from Portugal to Sydney will take you 35h 30m. 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.

$739+ 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 23 September 2026.

Tue 10/1116:10 -

2 stops40h 15m

Tue 8/1221:35 -

2 stops36h 50m

Deal found 22/9$1,574

Tue 10/1116:10 -

2 stops40h 15m

Thu 12/1121:35 -

2 stops28h 35m

Deal found 22/9$1,577

Tue 3/1120:15 -

2 stops50h 45m

Tue 10/1121:30 -

1 stop44h 25m

Deal found 19/9$1,587

Wed 11/1105:55 -

2 stops26h 30m

Tue 17/1121:35 -

2 stops36h 50m

Deal found 22/9$1,603

Fri 6/1105:55 -

2 stops26h 30m

Fri 13/1121:35 -

2 stops28h 35m

Deal found 22/9$1,604

Thu 5/1116:25 -

2 stops40h 00m

Thu 19/1121:35 -

2 stops28h 50m

Deal found 22/9$1,605

Sun 8/1110:15 -

2 stops34h 40m

Sun 22/1116:20 -

2 stops35h 25m

Deal found 19/9$1,607

Thu 5/1106:00 -

2 stops26h 25m

Thu 12/1121:35 -

2 stops36h 50m

Deal found 21/9$1,607

Thu 5/1116:25 -

2 stops40h 00m

Thu 12/1121:35 -

2 stops47h 20m

Deal found 21/9$1,626

Fri 6/1106:00 -

2 stops46h 05m

Fri 13/1121:30 -

1 stop44h 25m

Deal found 22/9$1,632

Tue 10/1106:15 -

2 stops45h 50m

Thu 12/1121:30 -

1 stop44h 25m

Deal found 22/9$1,638

Wed 4/1116:45 -

2 stops59h 20m

Wed 11/1116:50 -

1 stop25h 05m

Deal found 20/9$1,649

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 23 September 2026.

Wed 3/212:55 -

3 stops35h 30m

Tue 9/216:20 -

2 stops28h 25m

Deal found 23/9$1,583

Wed 4/1116:10 -

2 stops64h 15m

Sun 8/1121:35 -

2 stops28h 35m

Deal found 22/9$1,667

Sun 18/1006:35 -

2 stops41h 25m

Sun 25/1012:00 -

2 stops42h 25m

Deal found 20/9$1,714

Mon 9/1105:00 -

2 stops38h 30m

Mon 30/1116:50 -

2 stops29h 00m

Deal found 18/9$2,100

Fri 13/1121:55 -

2 stops34h 25m

Sun 29/1122:10 -

2 stops34h 05m

Deal found 18/9$2,220

Sat 31/1012:20 -

2 stops57h 45m

Sat 20/209:20 -

2 stops33h 50m

Deal found 21/9$2,363

Mon 19/1016:35 -

2 stops52h 50m

Mon 2/1111:40 -

2 stops38h 45m

Deal found 22/9$2,474

Fri 5/318:00 -

3 stops50h 25m

Wed 7/410:50 -

2 stops55h 50m

Deal found 21/9$2,585

Wed 11/1116:25 -

2 stops64h 00m

Sun 15/1121:35 -

2 stops28h 50m

Deal found 22/9$1,693

Wed 11/1107:05 -

2 stops37h 50m

Sun 15/1116:20 -

2 stops40h 25m

Deal found 18/9$1,707

Tue 2/219:45 -

2 stops48h 10m

Mon 8/216:20 -

2 stops28h 25m

Deal found 23/9$1,867

Fri 6/1106:05 -

3 stops64h 55m

Sun 6/1212:00 -

3 stops56h 15m

Deal found 22/9$2,117

Mon 21/1208:45 -

2 stops35h 05m

Sun 17/115:50 -

2 stops39h 10m

Deal found 22/9$2,334

Wed 3/304:10 -

2 stops26h 35m

Fri 9/420:50 -

2 stops47h 50m

Deal found 21/9$2,356

Fri 20/1110:55 -

2 stops45h 30m

Fri 4/1221:35 -

2 stops47h 20m

Deal found 23/9$2,163

Tue 12/110:55 -

2 stops45h 30m

Sun 31/107:55 -

3 stops42h 30m

Deal found 23/9$2,172

Fri 5/210:15 -

2 stops35h 50m

Wed 10/211:20 -

2 stops31h 50m

Deal found 23/9$2,518

Thu 4/304:10 -

2 stops26h 35m

Fri 9/420:50 -

2 stops47h 50m

Deal found 21/9$2,356

Thu 5/1117:40 -

2 stops38h 40m

Thu 19/1116:20 -

2 stops35h 55m

Deal found 22/9$2,235

Fri 6/1118:00 -

2 stops53h 20m

Fri 27/1106:35 -

3 stops61h 45m

Deal found 19/9$2,774

Thu 11/308:15 -

1 stop22h 30m

Sun 28/316:40 -

1 stop24h 55m

Deal found 22/9$2,372

Mon 28/1218:00 -

3 stops62h 25m

Tue 19/121:35 -

2 stops52h 50m

Deal found 21/9$2,508

Mon 19/1012:20 -

2 stops57h 35m

Mon 2/1111:20 -

2 stops55h 50m

Deal found 22/9$2,764

Wed 3/304:10 -

2 stops26h 35m

Sun 4/415:40 -

2 stops29h 00m

Deal found 21/9$2,388

Mon 19/1009:10 -

1 stop35h 25m

Thu 12/1115:15 -

2 stops26h 40m

Deal found 19/9$2,682

Wed 30/1211:00 -

3 stops45h 25m

Thu 21/121:35 -

2 stops52h 50m

Deal found 21/9$2,508

Wed 3/304:10 -

2 stops26h 35m

Sat 3/421:50 -

2 stops47h 50m

Deal found 21/9$2,388

Fri 6/1106:05 -

3 stops50h 20m

Fri 27/1121:35 -

3 stops38h 25m

Deal found 19/9$2,799

Fri 5/304:10 -

2 stops39h 20m

Thu 8/420:50 -

2 stops47h 50m

Deal found 21/9$2,513

Wed 4/1108:15 -

1 stop35h 15m

Sun 8/1116:50 -

1 stop25h 05m

Deal found 22/9$2,529

Find flight deals from Portugal to Sydney

Round-trip from	$1,501
One-way from	$739
Popular in	April
Cheapest in	June
Average price	$2,325

British Airways
10/3-20/3
4 total stops
65h 35m total
Portugal to Sydney

Search Deals

20/11-31/12
2 total stops
46h 05m total
Portugal to Sydney

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($172 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($79 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

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Fri 20/11

21:40-13:20

3 stops52h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$752

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Sun 11/10

05:55-20:00

3 stops52h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,185

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 17/1

11:35-17:45

2 stops43h 10m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,338

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 18/3

21:55-18:20

2 stops33h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,350

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 14/3

20:10-06:30

2 stops47h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,361

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Fri 19/3

21:55-18:20

2 stops33h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,392

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Fri 20/11

08:15-06:30

1 stop35h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,448

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Thu 18/3

14:15-06:50

1 stop29h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,552

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Wed 3/2

12:55-11:25

3 stops35h 30m

Sydney Kingsford Smith

Tue 9/2

16:20-09:45

2 stops28h 25m

$1,583

Fastest return journey

LisbonSydney

LIS Lisbon Humberto Delgado - SYD Sydney Kingsford Smith

LISSYD

Lisbon Humberto Delgado

Fri 19/3

08:00-18:20

1 stop23h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,594

Flights are sorted by cheapest return flights first.

Deals found on 21/9

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.

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

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 $2,218). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,111). 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

1,533 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

1,533 reviews

Etihad Airways

7.3

Good

1,533 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 35h 30m. 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, March is the cheapest month in which you can book a flight from Portugal to Sydney (average of $2,218). Flying from Portugal to Sydney in April is currently the most expensive (average of $3,111). 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$2,115	Average$2,346	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 $739

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. 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 23 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 23 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 23 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 23 September 2026.

Last-minute flights from Portugal to SydneyDiscover last-minute flight deals from Portugal to Sydney. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Portugal to Sydney. Data last updated 23 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 23 September 2026.

Search for one-way flight options from Portugal to Sydney. Find affordable one-way fares based on user searches. Data last updated 23 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

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

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Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Portugal to Sydney by cabin class

Find flights from Portugal to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portugal and Sydney flights

Browse other Portugal and Sydney flight options. Last updated on 23 September 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 23 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 23 September 2026.

Last-minute flights from Portugal to Sydney
Discover last-minute flight deals from Portugal to Sydney. Data last updated 23 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 23 September 2026.