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Cheap flights from Sydney to Portugal from $540

SYD — LIS
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Portugal

Tue 24/1116:50 -
2 stops29h 00m
Thu 10/1220:10 -
2 stops47h 20m
Deal found 7/11$1,607
Thu 12/1121:30 -
2 stops56h 50m
Wed 25/1111:35 -
2 stops31h 55m
Deal found 8/11$1,625
Mon 16/1121:30 -
1 stop44h 25m
Sun 29/1121:40 -
2 stops54h 25m
Deal found 6/11$1,636
Wed 18/1116:50 -
1 stop25h 05m
Wed 25/1115:35 -
2 stops34h 45m
Deal found 7/11$1,671
Thu 12/1121:30 -
2 stops47h 50m
Thu 24/1206:05 -
2 stops37h 25m
Deal found 4/11$1,681
Sat 21/1122:30 -
2 stops69h 20m
Wed 25/1115:35 -
2 stops34h 45m
Deal found 5/11$1,860
Tue 24/1121:30 -
2 stops44h 15m
Thu 10/1205:00 -
3 stops28h 25m
Deal found 7/11$1,879
Mon 23/1122:30 -
2 stops45h 20m
Tue 8/1211:30 -
2 stops35h 30m
Deal found 5/11$1,901
Thu 12/1121:30 -
2 stops44h 15m
Wed 25/1111:00 -
3 stops32h 30m
Deal found 8/11$1,939
Mon 9/1121:30 -
2 stops31h 25m
Tue 17/1112:40 -
3 stops35h 10m
Deal found 6/11$2,003
Sat 5/1221:30 -
2 stops44h 15m
Wed 30/1207:35 -
2 stops35h 55m
Deal found 7/11$2,310
Sat 5/1207:55 -
3 stops61h 00m
Wed 30/1216:25 -
2 stops40h 00m
Deal found 7/11$2,360

Find flight deals from Sydney to Portugal

Round-trip from

$1,607

One-way from

$540

Popular in

December

Cheapest in

November

Average price

$1,664
Etihad Airways
  • Etihad Airways
  • 24/11-10/12
  • 4 total stops
  • 76h 20m total
  • Sydney to Portugal
Search Deals
20/1-31/12
  • 20/1-31/12
  • 2 total stops
  • 39h 50m total
  • Sydney to Portugal
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Wed 20/1

10:30-18:20

3 stops42h 50m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$623

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Wed 20/1

21:30-06:55

1 stop44h 25m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$716

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 3/2

20:05-21:20

2 stops36h 15m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$734

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Mon 15/3

12:00-16:55

2 stops39h 55m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$774

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 6/2

21:35-20:10

3 stops33h 35m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$903

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 22/4

20:50-06:45

2 stops42h 55m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$913

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 2/2

21:30-06:45

2 stops44h 15m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$952
Fastest return journey

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Sun 7/3

16:50-06:55

1 stop25h 05m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$955

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 4/12

21:25-11:35

2 stops49h 10m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$968

SydneyFunchal

SYD Sydney Kingsford Smith - FNC Funchal Madeira

SYDFNC

Sydney Kingsford Smith

Mon 3/5

15:50-18:20

2 stops35h 30m

Funchal Madeira

Wed 31/12

00:00-10:00

Nonstop0h 00m

$1,092

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 53 resultsSorted by cheapest first
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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

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, November is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,802). Flying from Sydney to Portugal in December is currently the most expensive (average of $3,006). 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 Sydney to Portugal?

The price you pay for your flight from Sydney to Portugal may vary depending on when you book. For the best chance of a lower fare, look to book 5 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Portugal

See what other customers who have flown with Emirates,Qatar Airways, andTurkish Airlines 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
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Emirates
8.1
Very Good
3,695 reviews
Emirates
8.1
Very Good
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Qatar Airways
7.4
Good
3,707 reviews
Emirates
8.1
Very Good
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Turkish Airlines
7.4
Good
4,467 reviews
Emirates
8.1
Very Good
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Etihad Airways
7.3
Good
1,555 reviews
Emirates
8.1
Very Good
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
British Airways
6.7
Okay
8,287 reviews
Emirates
8.1
Very Good
3,695 reviews
Check prices

Boarding

8.2

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.1

Crew

8.4

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.

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?

    Etihad Airways, Turkish Airlines, and British Airways can get you from Sydney to Portugal in just under 33h 30m. Your travel time can differ by up to 10h 45m. The distance between Sydney and Portugal is about 18163 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $715. However, be on the lookout for offers from Turkish Airlines and Qatar Airways, as they are both options that can get you from Sydney to Portugal for a low price.

  • 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, November is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,802). Flying from Sydney to Portugal in December is currently the most expensive (average of $3,006). 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

Top 10 airlines flying from Sydney to Portugal

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,184Average$2,142FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,459Average$1,963FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapest$1,565Average$1,812FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$1,608Average$2,123FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,667Average$2,688FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Japan AirlinesCheapest$1,732Average$2,150FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Air FranceCheapest$2,011Average$2,789FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest$2,032Average$2,736FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EmiratesCheapest$2,270Average$2,766FlexibilityNo cancel feeOn-time75%
Search Emirates flights
KLMCheapest$2,300Average$2,894FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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.

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