Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Portugal from $582

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIS
14 Mar — 21 Mar1
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 12 February 2026.

Mon 9/321:15
SYD
-
LIS
3 stops33h 00m
Multiple Airlines
Mon 16/322:00
LIS
-
SYD
3 stops34h 20m
Multiple Airlines
Deal found 9/2$1,133
Mon 9/316:35
SYD
-
LIS
1 stop25h 20m
Etihad Airways
Mon 16/308:15
LIS
-
SYD
1 stop22h 40m
Etihad Airways
Deal found 9/2$1,298
Wed 11/316:35
SYD
-
LIS
1 stop25h 20m
Etihad Airways
Fri 20/308:15
LIS
-
SYD
1 stop22h 40m
Etihad Airways
Deal found 9/2$1,305
Wed 11/316:35
SYD
-
LIS
1 stop25h 20m
Etihad Airways
Wed 18/308:15
LIS
-
SYD
1 stop22h 40m
Etihad Airways
Deal found 11/2$1,311
Thu 19/221:45
SYD
-
OPO
2 stops48h 05m
Etihad Airways
Wed 4/307:35
OPO
-
SYD
2 stops36h 00m
Etihad Airways
Deal found 11/2$1,480
Thu 26/221:45
SYD
-
LIS
1 stop44h 10m
Etihad Airways
Thu 19/308:15
LIS
-
SYD
1 stop22h 40m
Etihad Airways
Deal found 9/2$1,481
Wed 11/312:45
SYD
-
LIS
2 stops32h 15m
Turkish Airlines
Wed 18/311:40
LIS
-
SYD
2 stops36h 05m
Turkish Airlines
Deal found 11/2$1,484
Wed 11/316:35
SYD
-
FAO
2 stops32h 50m
Multiple Airlines
Wed 18/310:20
FAO
-
SYD
2 stops33h 15m
Multiple Airlines
Deal found 10/2$1,485
Mon 2/321:45
SYD
-
LIS
1 stop44h 10m
Etihad Airways
Sun 22/308:15
LIS
-
SYD
1 stop35h 20m
Etihad Airways
Deal found 8/2$1,495
Wed 11/316:15
SYD
-
LIS
2 stops33h 50m
Multiple Airlines
Fri 20/316:05
LIS
-
SYD
2 stops29h 20m
Multiple Airlines
Deal found 9/2$1,501
Sun 10/515:40
SYD
-
OPO
2 stops56h 35m
Etihad Airways
Sun 24/511:35
OPO
-
SYD
2 stops44h 15m
Etihad Airways
Deal found 9/2$1,502
Wed 11/316:15
SYD
-
LIS
2 stops33h 50m
Multiple Airlines
Wed 18/316:05
LIS
-
SYD
2 stops28h 20m
Multiple Airlines
Deal found 11/2$1,505

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 12 February 2026.

Round-trip from

$1,133

One-way from

$582

Popular in

December

Cheapest in

November

Average price

$1,834
9/3-16/3
  • 9/3-16/3
  • 6 total stops
  • 67h 20m total
  • Sydney to Portugal
Search Deals
10/3
  • 10/3
  • 2 total stops
  • 35h 15m total
  • Sydney to Portugal
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($114 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 12 February 2026.
Use the filters below to find and compare flights from Sydney to Portugal that are best for you.

Fly from

Sydney

Fly to

Portugal

Route

Depart

Return

Price

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Fri 6/3

21:45-06:55

1 stop44h 10m

Lisbon Humberto Delgado

Fri 13/3

08:15-06:35

1 stop35h 20m

$1,305

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 10/5

15:40-15:15

2 stops56h 35m

Porto

Sun 24/5

11:35-16:50

2 stops44h 15m

$1,502

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Wed 11/3

16:15-15:05

2 stops33h 50m

Lisbon Humberto Delgado

Wed 18/3

16:05-07:25

2 stops28h 20m

$1,505

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Thu 11/6

12:45-09:55

2 stops30h 10m

Lisbon Humberto Delgado

Tue 16/6

17:05-09:45

2 stops31h 40m

$1,512

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

21:45-06:50

2 stops44h 05m

Porto

Thu 19/3

20:00-17:55

2 stops34h 55m

$1,523

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

20:40-19:20

2 stops57h 40m

Porto

Thu 19/3

11:35-15:30

2 stops40h 55m

$1,534

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Fri 6/3

12:45-10:40

2 stops32h 55m

Lisbon Humberto Delgado

Fri 13/3

06:05-06:15

3 stops37h 10m

$1,540

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Thu 19/3

16:15-10:40

2 stops53h 25m

Lisbon Humberto Delgado

Thu 2/4

06:00-07:05

3 stops39h 05m

$1,547

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

16:35-15:15

2 stops33h 40m

Porto

Thu 19/3

20:10-17:55

2 stops34h 45m

$1,594

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Fri 29/5

10:10-23:10

2 stops46h 00m

Lisbon Humberto Delgado

Mon 15/6

17:10-06:05

2 stops27h 55m

$1,612

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 50 results
1
2
3
...
5

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 $1,363). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,911). 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 12 February 2026.
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
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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
Emirates
8.1
Very Good
3,516 reviews
Emirates
8.1
Very Good
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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
Qatar Airways
7.4
Good
3,731 reviews
Emirates
8.1
Very Good
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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
Etihad Airways
7.3
Good
1,394 reviews
Emirates
8.1
Very Good
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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
Turkish Airlines
7.3
Good
4,212 reviews
Emirates
8.1
Very Good
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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
British Airways
6.7
Okay
7,737 reviews
Emirates
8.1
Very Good
3,516 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Overall

8.1

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 British Airways can get you from Sydney to Portugal in just under 30h 10m. Your travel time can differ by up to 14h. 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 $594. 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?

    Most travellers choose Sydney Kingsford Smith - Lisbon Humberto Delgado, Sydney Kingsford Smith - Porto or Sydney Kingsford Smith - Faro 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, February is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,363). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,911). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,343Average$2,119FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest$1,348Average$1,621FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest$1,408Average$1,819FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
FinnairCheapest$1,427Average$1,868FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Qatar AirwaysCheapest$1,450Average$2,262FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Japan AirlinesCheapest$1,500Average$1,787FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Air CanadaCheapest$1,518Average$1,856FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest$1,592Average$2,027FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$1,643Average$2,296FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$1,819Average$2,147FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.