Cheap flights from Sydney to Portugal from $768

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIS
1 May — 8 May1
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
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 1 April 2026.

Fri 8/515:40
SYD
-
OPO
2 stops33h 30m
Multiple Airlines
Thu 21/522:00
OPO
-
SYD
2 stops33h 50m
Multiple Airlines
Deal found 1/4$1,281
Sat 16/520:50
SYD
-
OPO
2 stops34h 20m
Multiple Airlines
Sat 23/513:45
OPO
-
SYD
2 stops31h 25m
Multiple Airlines
Deal found 1/4$1,355
Sat 16/520:50
SYD
-
FAO
2 stops35h 00m
Multiple Airlines
Sat 23/515:20
FAO
-
SYD
2 stops29h 50m
Multiple Airlines
Deal found 1/4$1,544
Fri 1/520:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Fri 15/516:05
OPO
-
SYD
2 stops29h 05m
Etihad Airways
Deal found 29/3$1,619
Tue 28/415:40
SYD
-
OPO
2 stops32h 35m
Etihad Airways
Tue 5/516:05
OPO
-
SYD
2 stops39h 45m
Etihad Airways
Deal found 28/3$1,628
Thu 14/520:50
SYD
-
LIS
1 stop43h 35m
Etihad Airways
Thu 21/509:15
LIS
-
SYD
1 stop22h 35m
Etihad Airways
Deal found 30/3$1,632
Thu 14/520:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Thu 21/520:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 30/3$1,633
Sun 10/515:40
SYD
-
OPO
2 stops36h 40m
Etihad Airways
Sat 16/520:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 31/3$1,635
Wed 13/515:40
SYD
-
FAO
2 stops33h 35m
Multiple Airlines
Wed 20/515:45
FAO
-
SYD
2 stops29h 25m
Multiple Airlines
Deal found 29/3$1,649
Tue 12/515:40
SYD
-
LIS
2 stops27h 35m
Multiple Airlines
Tue 26/521:15
LIS
-
SYD
2 stops34h 35m
Multiple Airlines
Deal found 29/3$1,651
Tue 12/520:50
SYD
-
FAO
2 stops35h 40m
Multiple Airlines
Tue 19/520:05
FAO
-
SYD
2 stops35h 45m
Multiple Airlines
Deal found 28/3$1,662
Sat 30/520:50
SYD
-
LIS
2 stops35h 05m
Multiple Airlines
Sat 6/613:00
LIS
-
SYD
2 stops32h 10m
Multiple Airlines
Deal found 1/4$1,668

Find flight deals from Sydney to Portugal

Keep the following information in mind while searching for Sydney to Portugal flight deals. Data was last updated 1 April 2026.

Round-trip from

$1,281

One-way from

$768

Popular in

December

Cheapest in

November

Average price

$2,372
8/5-21/5
  • 8/5-21/5
  • 4 total stops
  • 67h 20m total
  • Sydney to Portugal
20/5
  • 20/5
  • 2 total stops
  • 27h 25m total
  • Sydney to Portugal
Highest demand for flights based on searches. 1% potential increase in price ($40 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($63 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Portugal 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 1 April 2026.
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

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Sat 16/5

20:50-22:50

2 stops35h 00m

Faro

Sat 23/5

15:20-06:10

2 stops29h 50m

$1,544

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 1/5

20:50-06:50

2 stops43h 00m

Porto

Fri 15/5

16:05-06:10

2 stops29h 05m

$1,619

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Tue 12/5

20:50-23:30

2 stops35h 40m

Faro

Tue 19/5

20:05-16:50

2 stops35h 45m

$1,662

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Wed 20/5

15:40-10:25

2 stops27h 45m

Faro

Fri 22/5

15:30-06:10

2 stops29h 40m

$1,713

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 8/4

15:40-06:50

2 stops48h 10m

Porto

Sat 11/4

16:05-16:50

2 stops39h 45m

$1,776

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 13/5

15:40-11:00

2 stops28h 20m

Porto

Sun 17/5

05:05-16:50

2 stops26h 45m

$1,801

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Sun 17/5

15:40-10:25

2 stops27h 45m

Faro

Thu 21/5

06:05-16:50

2 stops25h 45m

$1,801

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Thu 14/5

20:50-10:35

2 stops46h 45m

Faro

Thu 21/5

06:05-16:50

2 stops25h 45m

$1,861

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Sun 27/9

21:05-09:55

2 stops45h 50m

Lisbon Humberto Delgado

Mon 30/11

05:55-19:50

2 stops26h 55m

$1,933

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Thu 16/7

21:05-15:45

2 stops27h 40m

Lisbon Humberto Delgado

Tue 18/8

17:05-09:40

2 stops31h 35m

$2,034

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 45 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
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, February is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,400). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,952). 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 1 April 2026.
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.

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

Overall

8.1

Crew

8.3

Entertainment

8.2

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

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?

    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 Qatar Airways can get you from Sydney to Portugal in just under 43h. Your travel time can differ by up to 4h 40m. 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 $610. However, be on the lookout for offers from Turkish Airlines and Japan Airlines, 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?

  • 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, February is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,400). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,952). 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

Discover the top 10 airlines that operate flights from Sydney to Portugal. 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,378Average$2,233FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest$1,400Average$1,703FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest$1,446Average$1,872FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,477Average$2,313FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Japan AirlinesCheapest$1,540Average$1,835FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Air CanadaCheapest$1,551Average$1,905FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$1,622Average$2,143FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$1,687Average$2,420FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$1,879Average$2,409FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EmiratesCheapest$1,951Average$3,180FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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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