How long is the flight from Sydney to Portugal?

Air Canada, British Airways, and KLM can get you from Sydney to Portugal in just under 33h. Your travel time can differ by up to 6h 05m. The distance between Sydney and Portugal is about 18163 km. This flight may include one or multiple stops. Find deals

In terms of precipitation, rainfall in Portugal ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Portugal when rainfall is around 6.0 mm. Find deals

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C). Find deals

What are the most popular routes from Sydney to Portugal?

Most travellers choose Sydney Kingsford Smith - Lisbon Humberto Delgado, Sydney Kingsford Smith - Faro or Sydney Kingsford Smith - Porto when deciding on the best route from Sydney to Portugal.

What are the most popular airlines that fly from Sydney to Portugal?

When booking a flight from Sydney to Portugal, you may want to consider flying on Air Canada, Air France or Finnair as they are the most popular for this route.

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

Users have found that booking a flight from Sydney to Portugal at least 52 days early can save you up to 31% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Sydney to Portugal for as little as $2,128 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,434 for flights departing within the next 3 days.

What is the cheapest month to fly from Sydney to Portugal?

March is one of the best times of the year to fly to Portugal from Sydney. Prices for March average $2,243 per person but you can even find prices for as low as $1,562. The most expensive prices can be found in the month of December. Opting for a March flight can save you 17% on your journey compared to booking in December

What airport do you fly from for flights from Sydney to Portugal?

Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travellers will use when flying to Portugal from Sydney.

Can I find deals for flights from Sydney to Portugal that include hotel bookings?

Yes. In addition to deals on Sydney to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to Portugal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portugal.

Can I find deals for business class flights from Sydney to Portugal?

Yes. Cheapflights offers flight deals from Sydney to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$679+ Flights from Sydney to Portugal

Cheap flight deals from Sydney to Portugal

Round-trip from	$1,849
One-way from	$679
Popular in	December
Cheapest in	March
Average price	$2,235

17/10-2/11
5 total stops
69h 05m total
Sydney to Portugal

Search Deals

4/11
3 total stops
50h 55m total
Sydney to Portugal

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($57 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Sydney to Portugal

Cheapest flights from Sydney to Portugal
Explore the most affordable flight options available from Sydney to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Fri 17/1021:30SYD - OPO

2 stops34h 25mMultiple Airlines

Sun 2/1108:55OPO - SYD

3 stops34h 40mMultiple Airlines

Deal found 28/8$1,849

Mon 20/1011:15SYD - OPO

3 stops40h 50mMultiple Airlines

Fri 31/1013:40OPO - SYD

3 stops32h 35mMultiple Airlines

Deal found 26/8$1,908

Mon 13/1013:50SYD - LIS

3 stops31h 10mMultiple Airlines

Mon 20/1006:45LIS - SYD

3 stops40h 05mMultiple Airlines

Deal found 29/8$1,918

Mon 22/914:40SYD - LIS

2 stops36h 15mBritish Airways

Thu 30/1010:40LIS - SYD

2 stops33h 15mBritish Airways

Deal found 27/8$1,931

Fri 17/1013:50SYD - LIS

3 stops42h 10mMultiple Airlines

Mon 20/1022:10LIS - SYD

3 stops36h 00mMultiple Airlines

Deal found 28/8$1,939

Mon 13/1010:20SYD - LIS

2 stops34h 45mAir Canada

Mon 20/1012:55LIS - SYD

2 stops33h 25mAir Canada

Deal found 29/8$1,945

Sun 26/1020:05SYD - LIS

3 stops35h 20mMultiple Airlines

Sat 29/1108:25LIS - SYD

3 stops35h 05mMultiple Airlines

Deal found 27/8$1,971

Sat 11/1010:20SYD - LIS

3 stops34h 25mAir Canada

Sat 18/1020:10LIS - SYD

3 stops50h 10mAir Canada

Deal found 27/8$1,990

Fri 17/1021:55SYD - LIS

2 stops27h 20mTurkish Airlines

Mon 20/1005:55LIS - SYD

2 stops43h 05mTurkish Airlines

Deal found 28/8$1,991

Mon 13/1021:30SYD - OPO

2 stops35h 25mMultiple Airlines

Mon 20/1015:15OPO - SYD

3 stops31h 35mMultiple Airlines

Deal found 29/8$2,002

Sun 12/1021:55SYD - OPO

2 stops27h 55mMultiple Airlines

Sun 19/1017:10OPO - SYD

3 stops51h 55mMultiple Airlines

Deal found 28/8$2,011

Wed 22/1013:50SYD - LIS

3 stops43h 25mMultiple Airlines

Tue 28/1016:05LIS - SYD

3 stops31h 40mMultiple Airlines

Deal found 27/8$2,043

Best flights from Sydney to Portugal
Discover carefully curated flight deals from Sydney to Portugal that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.

Fri 17/1021:30SYD - OPO

2 stops34h 25mMultiple Airlines

Sun 2/1108:55OPO - SYD

3 stops34h 40mMultiple Airlines

Deal found 28/8$1,849

Sun 1/211:20SYD - LIS

2 stops33h 00mAir Canada

Fri 20/205:00LIS - SYD

3 stops41h 35mAir Canada

Deal found 28/8$1,919

Mon 22/914:40SYD - LIS

2 stops36h 15mBritish Airways

Thu 30/1010:40LIS - SYD

2 stops33h 15mBritish Airways

Deal found 27/8$1,931

Mon 13/1014:05SYD - OPO

2 stops29h 45mTurkish Airlines

Mon 20/1010:55OPO - SYD

2 stops47h 05mTurkish Airlines

Deal found 29/8$2,045

Sun 12/1014:05SYD - FAO

2 stops39h 05mKLM

Sun 19/1009:20FAO - SYD

2 stops39h 40mKLM

Deal found 27/8$2,132

Mon 10/1116:35SYD - FAO

2 stops28h 50mEtihad Airways

Fri 16/106:05FAO - SYD

2 stops37h 30mEtihad Airways

Deal found 28/8$2,174

Fri 17/1010:30SYD - OPO

2 stops57h 15mUnited Airlines

Sun 2/1112:35OPO - SYD

2 stops57h 30mUnited Airlines

Deal found 28/8$2,184

Sun 14/914:50SYD - PDL

2 stops35h 15mAir France

Thu 18/907:35PDL - SYD

2 stops35h 35mAir France

Deal found 28/8$2,405

Mon 20/1011:15SYD - OPO

3 stops40h 50mMultiple Airlines

Fri 31/1013:40OPO - SYD

3 stops32h 35mMultiple Airlines

Deal found 26/8$1,908

Mon 13/1010:20SYD - LIS

2 stops34h 45mAir Canada

Mon 20/1012:55LIS - SYD

2 stops33h 25mAir Canada

Deal found 29/8$1,945

Sun 12/1021:55SYD - OPO

2 stops27h 55mTurkish Airlines

Sun 19/1017:10OPO - SYD

2 stops31h 50mTurkish Airlines

Deal found 28/8$2,071

Mon 13/1013:50SYD - LIS

3 stops31h 10mMultiple Airlines

Mon 20/1006:45LIS - SYD

3 stops40h 05mMultiple Airlines

Deal found 29/8$1,918

Last-minute flights from Sydney to Portugal
Discover last-minute flight deals from Sydney to Portugal. Data last updated 29 August 2025 and is based on user searches.

Sat 6/910:20SYD - LIS

2 stops57h 10mUnited Airlines

Sat 13/910:25LIS - SYD

2 stops35h 30mUnited Airlines

Deal found 26/8$2,207

Wed 10/912:50SYD - LIS

3 stops43h 25mMultiple Airlines

Sun 12/1011:45LIS - SYD

3 stops37h 25mMultiple Airlines

Deal found 29/8$2,319

Wed 10/911:00SYD - LIS

2 stops42h 00mMultiple Airlines

Mon 13/1006:40LIS - SYD

2 stops44h 55mMultiple Airlines

Deal found 29/8$2,342

Sun 14/914:50SYD - PDL

2 stops35h 15mAir France

Thu 18/907:35PDL - SYD

2 stops35h 35mAir France

Deal found 28/8$2,405

Mon 22/914:40SYD - LIS

2 stops36h 15mBritish Airways

Thu 30/1010:40LIS - SYD

2 stops33h 15mBritish Airways

Deal found 27/8$1,931

Mon 22/914:50SYD - LIS

1 stop25h 05mQatar Airways

Thu 30/1014:15LIS - SYD

1 stop29h 35mQatar Airways

Deal found 28/8$2,353

Sat 27/906:00SYD - LIS

3 stops39h 00mMultiple Airlines

Mon 6/1008:30LIS - SYD

3 stops40h 15mMultiple Airlines

Deal found 27/8$2,221

Sun 28/913:05SYD - FAO

2 stops30h 15mMultiple Airlines

Sat 15/1114:50FAO - SYD

2 stops32h 30mMultiple Airlines

Deal found 26/8$2,239

Sun 28/909:20SYD - LIS

3 stops33h 00mAir Canada

Tue 14/1020:15LIS - SYD

2 stops50h 05mAir Canada

Deal found 29/8$2,339

Sun 28/911:45SYD - FAO

2 stops54h 25mKLM

Sat 15/1109:25FAO - SYD

3 stops35h 45mKLM

Deal found 26/8$2,765

Mon 29/909:20SYD - FAO

3 stops38h 20mMultiple Airlines

Tue 14/1019:40FAO - SYD

2 stops50h 40mMultiple Airlines

Deal found 27/8$2,319

Mon 29/913:05SYD - FAO

2 stops30h 15mMultiple Airlines

Sun 19/1014:00FAO - SYD

2 stops31h 35mMultiple Airlines

Deal found 27/8$2,549

One-way flights from Sydney to Portugal
Search for one-way flight options from Sydney to Portugal. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.

Tue 4/1120:05SYD - OPO

3 stops50h 55mMultiple Airlines

Deal found 28/8$679

Wed 5/1120:05SYD - OPO

3 stops52h 05mMultiple Airlines

Deal found 28/8$717

Mon 27/1020:05SYD - OPO

3 stops49h 50mMultiple Airlines

Deal found 26/8$779

Wed 15/1021:20SYD - LIS

2 stops56h 40mMultiple Airlines

Deal found 28/8$780

Tue 2/919:40SYD - OPO

2 stops45h 30mMultiple Airlines

Deal found 28/8$819

Thu 23/1017:25SYD - LIS

3 stops59h 15mMultiple Airlines

Deal found 27/8$831

Thu 15/121:50SYD - LIS

3 stops57h 40mMultiple Airlines

Deal found 28/8$842

Sat 22/1111:40SYD - LIS

3 stops55h 40mMultiple Airlines

Deal found 27/8$884

Mon 12/111:40SYD - LIS

3 stops59h 55mMultiple Airlines

Deal found 28/8$895

Sat 15/1121:30SYD - LIS

2 stops34h 55mMultiple Airlines

Deal found 28/8$897

Wed 15/1013:50SYD - FNC

3 stops43h 15mMultiple Airlines

Deal found 28/8$900

Tue 30/915:40SYD - LIS

2 stops34h 40mMultiple Airlines

Deal found 27/8$926

Fly from

Fly to

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 17/10

21:30-21:55

2 stops34h 25m

Porto

Sun 2/11

08:55-06:35

3 stops34h 40m

$1,849

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 20/10

11:15-18:05

3 stops40h 50m

Porto

Fri 31/10

13:40-09:15

3 stops32h 35m

$1,908

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Mon 13/10

13:50-11:00

3 stops31h 10m

Lisbon Humberto Delgado

Mon 20/10

06:45-08:50

3 stops40h 05m

$1,918

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Sun 1/2

11:20-09:20

2 stops33h 00m

Lisbon Humberto Delgado

Fri 20/2

05:00-09:35

3 stops41h 35m

$1,919

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Mon 22/9

14:40-17:55

2 stops36h 15m

Lisbon Humberto Delgado

Thu 30/10

10:40-06:55

2 stops33h 15m

$1,931

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Fri 17/10

13:50-22:00

3 stops42h 10m

Lisbon Humberto Delgado

Mon 20/10

22:10-20:10

3 stops36h 00m

$1,939

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Mon 13/10

10:20-11:05

2 stops34h 45m

Lisbon Humberto Delgado

Mon 20/10

12:55-08:20

2 stops33h 25m

$1,945

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Sun 26/10

20:05-20:25

3 stops35h 20m

Lisbon Humberto Delgado

Sat 29/11

08:25-06:30

3 stops35h 05m

$1,971

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 13/10

21:30-22:55

2 stops35h 25m

Porto

Mon 20/10

15:15-08:50

3 stops31h 35m

$2,002

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 12/10

21:55-15:50

2 stops27h 55m

Porto

Sun 19/10

17:10-07:05

3 stops51h 55m

$2,011

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 50 results

...

Best time to book a flight from Sydney to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Sydney 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 Sydney to Portugal

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

Currently, October is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,240). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,809). 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 SYD to PT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Portugal as you normally would.

Reviews of airlines servicing Portugal

See what other customers who have flown with Emirates, Qatar Airways, andEtihad Airways from Sydney to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

Had bad experience this time. Didnt like the seat comforat at all. Additionally, this time Emirates came up with crazy seat arrangement where part of family were placed in different seat and this happened with lot of passengers that day on the flight. I think they did this so that next time we buy seat and pay more. The Indian food was the worst. I booked for Hindu meal well in advance and told at the ticket counter as well but got the regular food. Good bye Emirates, will try Qatar or European airlines next time.

Emirates

8.1

Very Good

3,322 reviews

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

Qatar Airways

7.4

Good

3,611 reviews

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

Etihad Airways

7.4

Good

1,241 reviews

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

Turkish Airlines

7.3

Good

3,955 reviews

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

British Airways

6.7

Okay

7,320 reviews

Emirates

8.1

Very Good

3,322 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

HYD - DXB

Related info for your journey

What airport do you fly from for flights from Sydney to Portugal?
Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travellers will use when flying to Portugal from Sydney.
How long is the flight from Sydney to Portugal?
Air Canada, British Airways, and KLM can get you from Sydney to Portugal in just under 33h. Your travel time can differ by up to 6h 05m. The distance between Sydney and Portugal is about 18163 km. This flight may include one or multiple stops.
What are the most popular routes from Sydney to Portugal?
Most travellers choose Sydney Kingsford Smith - Lisbon Humberto Delgado, Sydney Kingsford Smith - Faro or Sydney Kingsford Smith - Porto when deciding on the best route from Sydney to Portugal.
Can I find deals for flights from Sydney to Portugal that include hotel bookings?
Yes. In addition to deals on Sydney to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Portugal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portugal.
Can I find deals for business class flights from Sydney to Portugal?
Yes. Cheapflights offers flight deals from Sydney to Portugal 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 Sydney to Portugal?
Currently, October is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,240). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,809). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Sydney to Portugal

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest$1,361	Average$1,618	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Etihad Airways	Cheapest$1,446	Average$2,511	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
SWISS	Cheapest$1,470	Average$1,976	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Air Canada	Cheapest$1,509	Average$1,906	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Turkish Airlines	Cheapest$1,544	Average$1,984	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Finnair	Cheapest$1,557	Average$2,038	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Qatar Airways	Cheapest$1,560	Average$2,542	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Lufthansa	Cheapest$1,762	Average$2,362	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest$1,765	Average$2,225	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest$1,984	Average$2,360	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Portugal?

Cheapflights makes it easy to find Sydney to Portugal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portugal?

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sydney to Portugal with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Portugal flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Portugal become cheaper?

Of course! You can now track prices for flights from Sydney to Portugal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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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.

Cheap flights from Sydney to Portugal from $679

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Portugal

Keep the following information in mind while searching for Sydney to Portugal flight deals. Data was last updated 29 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Portugal

Cheapest flights from Sydney to PortugalExplore the most affordable flight options available from Sydney to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Explore the most affordable flight options available from Sydney to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Sydney to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Sydney with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Portugal

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

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

Find hourly flight availability from Sydney to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Reviews of airlines servicing Portugal

See what other customers who have flown with Emirates, Qatar Airways, andEtihad Airways from Sydney to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Portugal. 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 from for flights from Sydney to Portugal?

How long is the flight from Sydney to Portugal?

What are the most popular routes from Sydney to Portugal?

Can I find deals for flights from Sydney to Portugal that include hotel bookings?

How can I find direct flights from Sydney to Portugal?

Can I find deals for business class flights from Sydney to Portugal?

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

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 Sydney to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Sydney to Portugal

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 Sydney to Portugal?

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portugal?

Can Cheapflights find flights from Sydney to Portugal with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to Portugal become cheaper?

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Cheapest flights from Sydney to Portugal
Explore the most affordable flight options available from Sydney to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.