Find flights
When to book
Airlines
FAQs

Cheap flights from Portugal to Sydney from $1,000

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Portugal to Sydney

Keep the following information in mind while searching for Portugal to Sydney flight deals. Data was last updated 4 July 2025.

Round-trip from

$2,010

One-way from

$1,000

Popular in

October

Cheapest in

November

Average price

$2,526
28/8-10/9
  • 28/8-10/9
  • 6 total stops
  • 74h 25m total
  • Portugal to Sydney
Search Deals
26/9
  • 26/9
  • 3 total stops
  • 54h 15m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Portugal to Sydney

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 4 July 2025.

Fri 28/1115:40LIS - SYD
2 stops28h 15mBritish Airways
Sat 6/1216:20SYD - LIS
2 stops36h 35mBritish Airways
Deal found 2/7$1,949
Thu 13/1121:40LIS - SYD
2 stops54h 00mMultiple Airlines
Wed 19/1116:20SYD - LIS
1 stop25h 40mMultiple Airlines
Deal found 2/7$1,970
Thu 28/807:15OPO - SYD
3 stops41h 30mMultiple Airlines
Wed 10/920:55SYD - OPO
3 stops32h 55mMultiple Airlines
Deal found 3/7$2,010
Thu 13/1110:55LIS - SYD
2 stops35h 40mAir Canada
Wed 19/1111:20SYD - LIS
2 stops32h 35mAir Canada
Deal found 2/7$2,138
Thu 28/816:50OPO - SYD
2 stops31h 55mTurkish Airlines
Wed 10/911:45SYD - OPO
2 stops37h 05mTurkish Airlines
Deal found 3/7$2,252
Sun 30/1112:25OPO - SYD
2 stops31h 25mQatar Airways
Thu 11/1221:40SYD - OPO
2 stops29h 20mQatar Airways
Deal found 3/7$2,328
Thu 13/1108:25LIS - SYD
1 stop23h 10mEtihad Airways
Wed 19/1116:20SYD - LIS
1 stop25h 40mEtihad Airways
Deal found 2/7$2,349
Thu 28/816:30LIS - SYD
2 stops29h 10mFinnair
Wed 10/907:40SYD - LIS
2 stops41h 00mFinnair
Deal found 3/7$2,369
Wed 3/1218:30OPO - SYD
2 stops49h 45mBritish Airways
Tue 16/1216:20SYD - OPO
2 stops36h 15mBritish Airways
Deal found 2/7$2,390
Thu 27/1120:40OPO - SYD
2 stops35h 10mIberia
Sat 13/1221:40SYD - OPO
2 stops29h 20mIberia
Deal found 2/7$2,396
Thu 2/1015:55LIS - SYD
2 stops29h 45mAir France
Wed 22/1011:20SYD - LIS
2 stops31h 30mAir France
Deal found 2/7$2,474
Mon 18/820:10OPO - SYD
2 stops59h 45mEtihad Airways
Mon 25/821:30SYD - OPO
2 stops42h 20mEtihad Airways
Deal found 3/7$2,501

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 4 July 2025.
Use the filters below to find and compare flights from Portugal to Sydney that are best for you.

Fly from

Portugal

Fly to

Sydney

Route

Depart

Return

Price

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 28/8

07:15-09:45

3 stops41h 30m

Sydney Kingsford Smith

Wed 10/9

20:55-20:50

3 stops32h 55m

$2,010

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 28/8

16:45-11:35

2 stops33h 50m

Sydney Kingsford Smith

Wed 10/9

20:45-15:30

2 stops51h 45m

$2,094

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 28/8

16:50-09:45

2 stops31h 55m

Sydney Kingsford Smith

Wed 10/9

11:45-15:50

2 stops37h 05m

$2,252

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 30/11

16:40-06:50

2 stops27h 10m

Sydney Kingsford Smith

Mon 15/12

21:40-16:00

2 stops29h 20m

$2,328

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 28/8

16:30-06:40

2 stops29h 10m

Sydney Kingsford Smith

Wed 10/9

07:40-15:40

2 stops41h 00m

$2,369

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 3/12

18:30-07:15

2 stops49h 45m

Sydney Kingsford Smith

Tue 16/12

16:20-17:35

2 stops36h 15m

$2,390

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 27/11

20:40-18:50

2 stops35h 10m

Sydney Kingsford Smith

Sat 13/12

21:40-16:00

2 stops29h 20m

$2,396

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 4/8

20:10-16:55

2 stops59h 45m

Sydney Kingsford Smith

Sun 17/8

15:40-06:50

2 stops48h 10m

$2,529

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 28/8

09:10-16:55

1 stop22h 45m

Sydney Kingsford Smith

Wed 10/9

15:40-07:20

1 stop24h 40m

$2,552

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 22/7

09:00-07:00

2 stops37h 00m

Sydney Kingsford Smith

Wed 17/9

09:30-06:05

2 stops29h 35m

$2,577

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 21 results
1
2
3

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, May is the cheapest month in which you can book a flight from Portugal to Sydney (average of $129). Flying from Portugal to Sydney in October is currently the most expensive (average of $171). 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.

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

Find hourly flight availability from Portugal to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

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.

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 4 July 2025.
Read reviews from past customers who have flown with Thai Airways, Finnair, andQatar 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.
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.7
Good
338 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Finnair
7.6
Good
1,304 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Qatar Airways
7.4
Good
3,588 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Etihad Airways
7.4
Good
1,220 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
United Airlines
7.4
Good
8,845 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Entertainment

6.8

Overall

7.7

Comfort

7.5

Crew

8.3

Boarding

7.8

Food

7.3

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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.

  • 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 $1,607 on Thai Airways. Other airlines that offer cheap prices include Etihad Airways from $1,646 and Finnair from $1,975 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, May is the cheapest month in which you can book a flight from Portugal to Sydney (average of $129). Flying from Portugal to Sydney in October is currently the most expensive (average of $171). 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 Portugal?

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

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.

Alternative routes for Portugal to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Sydney flights
Charles de Gaulle to Sydney flights
Frankfurt to Sydney flights
Gatwick to Sydney flights
Stansted to Sydney flights
Orly to Sydney flights
London City to Sydney flights
Frederic Chopin to Sydney flights
Dublin to Sydney flights
Duesseldorf Intl to Sydney flights
Amsterdam to Sydney flights
Munich to Sydney flights
Vienna to Sydney flights
Manchester to Sydney flights
Malpensa to Sydney flights
Cologne to Sydney flights
Berlin to Sydney flights
Leonardo da Vinci/Fiumicino to Sydney flights
Madrid to Sydney flights
Lyon to Sydney flights
Linate to Sydney flights
Geneva to Sydney flights
Bruxelles-National to Sydney flights
Oslo Gardermoen to Sydney flights
Istanbul to Sydney flights
Athens to Sydney flights
Luton to Sydney flights
Copenhagen to Sydney flights
Toulouse to Sydney flights
Vicenza to Sydney flights
Zurich to Sydney flights
Edinburgh to Sydney flights
Prague to Sydney flights
Birmingham to Sydney flights
Budapest to Sydney flights
Hamburg to Sydney flights
Arlanda to Sydney flights
Sabiha Gokcen to Sydney flights
Nice to Sydney flights
Marseille to Sydney flights
Glasgow Intl to Sydney flights
Lisbon to Sydney flights
Newcastle upon Tyne to Sydney flights
Barcelona-El Prat to Sydney flights
Bremen to Sydney flights
Helsinki to Sydney flights

Top 6 airlines flying from Portugal to Sydney

Discover the top 6 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,682Average$3,006FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,826Average$2,927FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Etihad AirwaysCheapest$1,996Average$2,627FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest$2,028Average$2,414FlexibilityNo cancel feeOn-time77%
Search Air France flights
ITA AirwaysCheapest$2,152Average$2,381FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
EmiratesCheapest$2,977Average$3,494FlexibilityNo cancel feeOn-time75%
Search Emirates 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights