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Cheap flights from Sydney to Portugal from $656

SYD — LIS
15 Oct — 22 Oct1
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

Fri 6/1121:30 -
2 stops47h 50m
Sun 15/1106:05 -
2 stops37h 25m
Deal found 13/9$1,495
Sun 22/1116:50 -
2 stops31h 40m
Tue 1/1220:10 -
2 stops47h 20m
Deal found 11/9$1,537
Wed 18/1116:50 -
2 stops37h 30m
Sun 22/1120:10 -
2 stops34h 35m
Deal found 14/9$1,586
Fri 6/1111:15 -
2 stops39h 50m
Sun 15/1112:45 -
2 stops34h 35m
Deal found 11/9$1,667
Sat 24/1021:35 -
1 stop44h 20m
Sun 8/1111:30 -
2 stops34h 55m
Deal found 14/9$1,680
Sat 24/1021:35 -
1 stop44h 20m
Sun 8/1108:15 -
1 stop35h 15m
Deal found 14/9$1,684
Wed 11/1116:50 -
1 stop25h 05m
Wed 18/1117:05 -
2 stops38h 45m
Deal found 12/9$1,716
Fri 2/1015:40 -
2 stops32h 55m
Thu 22/1005:55 -
2 stops28h 15m
Deal found 12/9$1,719
Wed 28/1016:20 -
2 stops30h 45m
Wed 4/1112:55 -
2 stops31h 00m
Deal found 13/9$1,724
Thu 12/1115:50 -
1 stop25h 30m
Tue 1/608:25 -
1 stop23h 40m
Deal found 12/9$1,727
Thu 12/1121:30 -
1 stop44h 25m
Sat 21/1108:15 -
1 stop35h 15m
Deal found 9/9$1,729
Tue 3/1116:20 -
2 stops36h 25m
Sat 7/1115:50 -
2 stops28h 05m
Deal found 11/9$1,736

Find flight deals from Sydney to Portugal

Round-trip from

$1,492

One-way from

$656

Popular in

December

Cheapest in

November

Average price

$2,316
25/1-14/2
  • 25/1-14/2
  • 4 total stops
  • 92h 50m total
  • Sydney to Portugal
Search Deals
1/11-31/12
  • 1/11-31/12
  • 3 total stops
  • 33h 25m total
  • Sydney to Portugal
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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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

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 6/11

11:10-23:55

3 stops47h 45m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$656

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 1/11

11:10-09:35

3 stops33h 25m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$656

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 4/11

11:10-21:20

3 stops45h 10m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$677

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Thu 25/2

21:30-06:55

1 stop44h 25m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$731

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Sat 27/2

21:30-06:55

1 stop44h 25m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$731

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Fri 2/10

21:05-15:35

2 stops27h 30m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$737
Fastest return journey

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Wed 4/11

16:50-06:55

1 stop25h 05m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$742

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 3/11

21:00-08:10

3 stops46h 10m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$770

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Wed 14/10

22:05-09:50

2 stops45h 45m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$776

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Thu 1/10

20:50-07:20

1 stop43h 30m

Lisbon Humberto Delgado

Wed 31/12

00:00-09:00

Nonstop0h 00m

$826

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 47 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 $1,552). Flying from Sydney to Portugal in December is currently the most expensive (average of $2,825). 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,KLM, andQatar 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
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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
3,661 reviews
Emirates
8.1
Very Good
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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.
KLM
7.8
Good
1,580 reviews
Emirates
8.1
Very Good
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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
3,734 reviews
Emirates
8.1
Very Good
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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
4,469 reviews
Emirates
8.1
Very Good
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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
1,533 reviews
Emirates
8.1
Very Good
3,661 reviews
Check prices

Boarding

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Overall

8.1

Entertainment

8.2

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, British Airways, and Turkish Airlines can get you from Sydney to Portugal in just under 27h 40m. Your travel time can differ by up to 13h 30m. The distance between Sydney and Portugal is about 18057 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 $428. 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 - Faro, Sydney Kingsford Smith - Lisbon Humberto Delgado 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 $1,552). Flying from Sydney to Portugal in December is currently the most expensive (average of $2,825). 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$1,139Average$2,055FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,404Average$1,874FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,448Average$2,569FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air CanadaCheapest$1,506Average$1,601FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$1,547Average$1,976FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$1,907Average$2,509FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$1,935Average$2,680FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest$1,956Average$2,633FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EmiratesCheapest$2,184Average$2,641FlexibilityNo cancel feeOn-time75%
Search Emirates flights
KLMCheapest$2,214Average$2,785FlexibilityNo cancel feeOn-time75%
Search KLM 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?

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