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Cheap flights from Portugal to Sydney from $822

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
28 May — 4 Jun1
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 28 April 2026.

Sun 8/1123:30
LIS
-
SYD
2 stops32h 20m
Multiple Airlines
Tue 24/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$1,905
Wed 11/1110:50
LIS
-
SYD
2 stops45h 00m
Multiple Airlines
Tue 24/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$1,933
Mon 9/1117:45
LIS
-
SYD
2 stops38h 05m
Multiple Airlines
Thu 26/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$1,945
Tue 26/505:05
OPO
-
SYD
3 stops53h 20m
Multiple Airlines
Tue 2/614:10
SYD
-
OPO
3 stops51h 00m
Multiple Airlines
Deal found 26/4$1,981
Sat 14/1116:30
LIS
-
SYD
2 stops39h 20m
Multiple Airlines
Thu 26/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$1,993
Fri 13/1117:50
LIS
-
SYD
2 stops38h 00m
Multiple Airlines
Tue 24/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$1,995
Thu 27/815:00
LIS
-
SYD
2 stops42h 25m
Multiple Airlines
Sat 12/920:00
SYD
-
LIS
2 stops51h 10m
Multiple Airlines
Deal found 25/4$2,002
Wed 4/1111:20
LIS
-
SYD
3 stops59h 15m
Air Canada
Wed 18/1111:20
SYD
-
LIS
2 stops34h 40m
Air Canada
Deal found 25/4$2,016
Tue 16/608:35
LIS
-
SYD
3 stops37h 45m
Air Canada
Tue 1/909:20
SYD
-
LIS
3 stops33h 00m
Air Canada
Deal found 26/4$2,034
Thu 12/1117:10
LIS
-
SYD
2 stops38h 40m
Multiple Airlines
Thu 26/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 24/4$2,037
Wed 18/1114:15
LIS
-
SYD
2 stops41h 35m
Multiple Airlines
Sat 28/1121:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 26/4$2,066
Thu 5/1120:10
OPO
-
SYD
2 stops35h 40m
Multiple Airlines
Mon 23/1121:40
SYD
-
OPO
2 stops45h 00m
Multiple Airlines
Deal found 27/4$2,098

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 28 April 2026.

Round-trip from

$1,981

One-way from

$822

Popular in

April

Cheapest in

September

Average price

$3,006
26/5-2/6
  • 26/5-2/6
  • 6 total stops
  • 104h 20m total
  • Portugal to Sydney
Search Deals
16/6
  • 16/6
  • 3 total stops
  • 49h 55m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($213 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($77 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 28 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

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 11/5

20:40-17:30

2 stops35h 50m

Sydney Kingsford Smith

Mon 25/5

20:45-07:40

2 stops67h 55m

$2,270

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 11/5

20:40-17:30

2 stops35h 50m

Sydney Kingsford Smith

Mon 18/5

20:45-07:40

2 stops67h 55m

$2,288

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 11/6

22:00-17:30

2 stops34h 30m

Sydney Kingsford Smith

Thu 18/6

14:50-10:50

2 stops29h 00m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 16/10

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Fri 30/10

10:20-09:30

2 stops34h 10m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 21/10

12:35-07:55

2 stops33h 20m

Sydney Kingsford Smith

Wed 4/11

12:10-09:30

2 stops32h 20m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 18/10

12:35-07:55

2 stops57h 20m

Sydney Kingsford Smith

Mon 2/11

12:10-09:30

2 stops32h 20m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 15/10

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Sat 31/10

11:50-09:30

2 stops32h 40m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 16/10

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Mon 2/11

11:50-09:30

2 stops32h 40m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 4/6

20:10-16:50

2 stops35h 40m

Sydney Kingsford Smith

Wed 17/6

07:25-09:40

3 stops59h 15m

$2,410

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 1/9

16:05-16:50

2 stops39h 45m

Sydney Kingsford Smith

Sun 6/9

07:25-09:40

3 stops59h 15m

$2,426

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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

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

Booking 27 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.

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 $858). Flying from Portugal to Sydney in July is currently the most expensive (average of $1,975). 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 28 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
1,580 reviews
Check prices

Boarding

7.5

Overall

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

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
1,580 reviews
Air France
7.4
Good
1,580 reviews
Check prices

Boarding

7.5

Overall

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

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
1,434 reviews
Air France
7.4
Good
1,580 reviews
Check prices

Boarding

7.5

Overall

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

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 28h 15m. 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 $900 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from $1,097 and Turkish Airlines from $1,494 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, March is the cheapest month in which you can book a flight from Portugal to Sydney (average of $858). Flying from Portugal to Sydney in July is currently the most expensive (average of $1,975). 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
Katoomba
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,918Average$2,314FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest$2,133Average$2,210FlexibilityNo 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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