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Cheap flights from Sydney to Portugal from $667

SYD — LIS
26 Sep — 3 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

Sun 1/1116:50 -
2 stops29h 00m
Sat 7/1107:35 -
2 stops35h 55m
Deal found 23/8$1,686
Wed 11/1116:50 -
1 stop25h 05m
Sat 21/1113:15 -
2 stops33h 10m
Deal found 25/8$1,700
Wed 7/1016:40 -
1 stop24h 45m
Wed 14/1007:00 -
3 stops40h 20m
Deal found 22/8$1,707
Thu 22/1015:35 -
2 stops28h 30m
Thu 29/1012:55 -
2 stops31h 00m
Deal found 23/8$1,714
Tue 3/1115:15 -
2 stops37h 30m
Sat 7/1107:00 -
2 stops36h 55m
Deal found 25/8$1,715
Thu 22/1022:05 -
2 stops45h 50m
Thu 29/1006:00 -
3 stops38h 10m
Deal found 23/8$1,736
Sat 3/1020:50 -
1 stop43h 25m
Thu 22/1023:40 -
2 stops27h 05m
Deal found 25/8$1,737
Mon 12/1021:35 -
2 stops35h 15m
Sun 25/1023:30 -
2 stops32h 20m
Deal found 27/8$1,753
Sun 4/1016:40 -
1 stop24h 35m
Thu 22/1023:40 -
2 stops27h 05m
Deal found 25/8$1,758
Sun 18/1015:50 -
1 stop35h 10m
Sun 1/1108:00 -
1 stop35h 50m
Deal found 26/8$1,760
Sun 18/1015:35 -
2 stops34h 50m
Sun 1/1112:55 -
1 stop31h 00m
Deal found 24/8$1,763
Thu 8/1022:05 -
2 stops27h 40m
Thu 29/1010:55 -
2 stops45h 30m
Deal found 25/8$1,940

Find flight deals from Sydney to Portugal

Round-trip from

$1,686

One-way from

$667

Popular in

December

Cheapest in

November

Average price

$2,217
Etihad Airways
  • Etihad Airways
  • 1/11-7/11
  • 4 total stops
  • 64h 55m total
  • Sydney to Portugal
Search Deals
Etihad Airways
  • Etihad Airways
  • 1/10
  • 1 total stop
  • 43h 30m total
  • Sydney to Portugal
Search Deals
High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($85 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Tue 3/11

15:15-17:45

2 stops37h 30m

Lisbon Humberto Delgado

Sat 7/11

07:00-06:55

2 stops36h 55m

$1,715

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Mon 12/10

11:10-12:55

2 stops35h 45m

Lisbon Humberto Delgado

Wed 28/10

10:45-06:55

2 stops33h 10m

$1,898

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Tue 3/11

21:30-06:55

1 stop44h 25m

Lisbon Humberto Delgado

Sat 7/11

08:15-06:30

1 stop35h 15m

$1,902

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/10

22:05-15:45

2 stops27h 40m

Porto

Thu 29/10

10:55-19:25

2 stops45h 30m

$1,940

SydneyFaro

SYD Sydney Kingsford Smith - FAO Faro

SYDFAO

Sydney Kingsford Smith

Fri 2/10

14:35-19:05

2 stops37h 30m

Faro

Mon 30/11

10:15-07:35

2 stops34h 20m

$1,972

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Mon 12/10

11:10-15:45

2 stops38h 35m

Lisbon Humberto Delgado

Sun 25/10

18:50-07:55

2 stops50h 05m

$2,051

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

16:50-15:15

2 stops33h 25m

Porto

Sun 22/11

16:05-06:30

2 stops27h 25m

$2,112

SydneyFaro

SYD Sydney Kingsford Smith - FAO Faro

SYDFAO

Sydney Kingsford Smith

Tue 6/10

15:35-19:10

2 stops37h 35m

Faro

Tue 13/10

10:20-07:10

2 stops34h 50m

$2,136

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/10

08:55-09:40

3 stops34h 45m

Porto

Thu 29/10

16:25-19:25

2 stops40h 00m

$2,299

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Tue 3/11

15:50-16:55

2 stops36h 05m

Lisbon Humberto Delgado

Sat 7/11

14:15-06:50

1 stop29h 35m

$2,339

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 38 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 $1,506). Flying from Sydney to Portugal in December is currently the most expensive (average of $2,810). 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 50 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
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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
3,656 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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
1,565 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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
3,728 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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
4,486 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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
1,522 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.2

Food

7.9

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?

    British Airways, Etihad Airways, and Turkish Airlines can get you from Sydney to Portugal in just under 27h 40m. Your travel time can differ by up to 16h 45m. 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 $426. 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 $1,506). Flying from Sydney to Portugal in December is currently the most expensive (average of $2,810). 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$1,133Average$2,027FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Japan AirlinesCheapest$1,177Average$1,816FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Turkish AirlinesCheapest$1,396Average$1,864FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,426Average$2,378FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air CanadaCheapest$1,498Average$1,589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$1,539Average$1,986FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$1,894Average$2,619FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$1,897Average$2,496FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$1,925Average$2,586FlexibilityNo cancel feeOn-time77%
Search Air France flights
EmiratesCheapest$2,173Average$2,611FlexibilityNo cancel feeOn-time75%
Search Emirates 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?

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