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Cheap flights from Portugal to Sydney from $873

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Sydney

Enter your travel dates to find the best prices.

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 2 April 2026.

Mon 18/509:15
LIS
-
SYD
1 stop22h 35m
Etihad Airways
Tue 2/621:30
SYD
-
LIS
1 stop42h 55m
Etihad Airways
Deal found 30/3$1,271
Sun 3/509:15
LIS
-
SYD
1 stop35h 55m
Etihad Airways
Mon 18/520:50
SYD
-
LIS
1 stop43h 35m
Etihad Airways
Deal found 1/4$1,275
Sun 12/406:35
LIS
-
SYD
1 stop25h 15m
Etihad Airways
Mon 11/515:40
SYD
-
LIS
1 stop24h 45m
Etihad Airways
Deal found 28/3$1,304
Wed 13/509:15
LIS
-
SYD
1 stop35h 55m
Etihad Airways
Wed 20/515:40
SYD
-
LIS
1 stop24h 45m
Etihad Airways
Deal found 29/3$1,307
Wed 29/406:35
LIS
-
SYD
1 stop25h 15m
Etihad Airways
Wed 6/515:40
SYD
-
LIS
1 stop24h 45m
Etihad Airways
Deal found 1/4$1,316
Wed 1/406:35
LIS
-
SYD
1 stop25h 15m
Etihad Airways
Sat 18/415:40
SYD
-
LIS
1 stop26h 30m
Etihad Airways
Deal found 31/3$1,320
Sun 3/509:15
LIS
-
SYD
1 stop22h 35m
Etihad Airways
Sun 17/515:40
SYD
-
LIS
1 stop24h 45m
Etihad Airways
Deal found 31/3$1,339
Fri 3/406:35
LIS
-
SYD
1 stop25h 15m
Etihad Airways
Sat 18/415:40
SYD
-
LIS
1 stop26h 30m
Etihad Airways
Deal found 31/3$1,358
Thu 21/506:40
OPO
-
SYD
2 stops27h 45m
Multiple Airlines
Thu 4/610:05
SYD
-
OPO
2 stops34h 55m
Multiple Airlines
Deal found 31/3$1,991
Sun 27/905:55
OPO
-
SYD
2 stops47h 20m
Multiple Airlines
Sun 25/1021:45
SYD
-
OPO
2 stops47h 10m
Multiple Airlines
Deal found 29/3$2,098
Fri 25/906:35
OPO
-
SYD
2 stops46h 40m
Multiple Airlines
Sun 25/1021:45
SYD
-
OPO
2 stops47h 10m
Multiple Airlines
Deal found 29/3$2,120
Tue 3/1108:20
OPO
-
SYD
2 stops35h 30m
Qatar Airways
Tue 17/1115:50
SYD
-
OPO
2 stops35h 10m
Qatar Airways
Deal found 31/3$2,125

Find flight deals from Portugal to Sydney

Keep the following information in mind while searching for Portugal to Sydney flight deals. Data was last updated 2 April 2026.

Round-trip from

$1,271

One-way from

$873

Popular in

December

Cheapest in

September

Average price

$2,528
Etihad Airways
  • Etihad Airways
  • 18/5-2/6
  • 2 total stops
  • 65h 30m total
  • Portugal to Sydney
Search Deals
Etihad Airways
  • Etihad Airways
  • 18/6
  • 1 total stop
  • 22h 35m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($160 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($44 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 April 2026.
Use the filters below to find and compare flights from Portugal to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 3/5

09:15-16:50

1 stop22h 35m

Sydney Kingsford Smith

Sun 17/5

15:40-07:25

1 stop24h 45m

$1,349

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 17/4

06:35-16:50

1 stop25h 15m

Sydney Kingsford Smith

Fri 1/5

20:50-07:25

1 stop43h 35m

$1,951

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 25/9

06:35-14:15

2 stops46h 40m

Sydney Kingsford Smith

Sun 25/10

21:45-09:55

2 stops47h 10m

$2,124

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 21/5

06:05-16:50

2 stops25h 45m

Sydney Kingsford Smith

Thu 4/6

11:40-09:40

2 stops31h 00m

$2,128

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 21/5

06:10-19:10

2 stops28h 00m

Sydney Kingsford Smith

Thu 4/6

21:05-23:30

2 stops35h 25m

$2,262

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 12/9

16:40-06:10

2 stops28h 30m

Sydney Kingsford Smith

Tue 29/9

14:50-11:45

2 stops29h 55m

$2,319

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 15/5

06:30-19:25

2 stops27h 55m

Sydney Kingsford Smith

Fri 22/5

15:40-07:25

1 stop24h 45m

$2,347

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 16/9

16:40-06:10

2 stops28h 30m

Sydney Kingsford Smith

Mon 5/10

15:50-16:00

2 stops34h 10m

$2,398

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 25/9

12:35-07:00

2 stops33h 25m

Sydney Kingsford Smith

Sat 24/10

10:30-10:30

2 stops34h 00m

$2,408

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 16/9

12:35-06:55

2 stops33h 20m

Sydney Kingsford Smith

Fri 2/10

10:20-09:45

2 stops32h 25m

$2,410

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Showing 1-10 of 32 resultsSorted by cheapest first
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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.
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

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

Currently, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,221). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,121). 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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 2 April 2026.
Read reviews from past customers who have flown with Air France and 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.
Air France
7.4
Good
1,561 reviews
Check prices

Crew

8.1

Food

7.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Overall

7.4

Reviews

1 / 20
4.0
Okay

Rakesh,Mar 2026

SLC - AMS

The flight was on Delta. Delta was super efficient.. Overall good flight.
Air France
7.4
Good
1,561 reviews
Air France
7.4
Good
1,561 reviews
Check prices

Crew

8.1

Food

7.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Overall

7.4

Reviews

1 / 20
4.0
Okay

Rakesh,Mar 2026

SLC - AMS

The flight was on Delta. Delta was super efficient.. Overall good flight.
Etihad Airways
7.3
Good
1,432 reviews
Air France
7.4
Good
1,561 reviews
Check prices

Crew

8.1

Food

7.0

Comfort

7.3

Entertainment

7.0

Boarding

7.5

Overall

7.4

Reviews

1 / 20
4.0
Okay

Rakesh,Mar 2026

SLC - AMS

The flight was on Delta. Delta was super efficient.. Overall good flight.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 35m. There are 18163 km between Portugal and Sydney. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portugal to Sydney one-way?

    One-way options have recently been found by users for as low as $933 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from $1,137 and Turkish Airlines from $1,548 one-way.

  • 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, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,221). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,121). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Katoomba
Lithgow
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portugal to Sydney

Discover the top 2 airlines that operate flights from Portugal to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,988Average$2,398FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest$2,210Average$2,290FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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