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Cheap flights from Portugal to Sydney from $656

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Sydney

Keep the following information in mind while searching for Portugal to Sydney flight deals. Data was last updated 18 November 2025.

Round-trip from

$1,785

One-way from

$656

Popular in

December

Cheapest in

May

Average price

$2,420
1/2-12/2
  • 1/2-12/2
  • 4 total stops
  • 90h 00m total
  • Portugal to Sydney
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 55h 35m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($219 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Portugal to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Sydney
Explore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 November 2025.

Wed 3/1206:30LIS - SYD
3 stops39h 45mMultiple Airlines
Sun 7/1220:05SYD - LIS
2 stops31h 10mMultiple Airlines
Deal found 17/11$1,898
Mon 22/1222:00LIS - SYD
2 stops45h 35mMultiple Airlines
Mon 23/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 15/11$1,928
Sat 22/1116:05LIS - SYD
2 stops30h 55mMultiple Airlines
Thu 27/1113:35SYD - LIS
3 stops41h 55mMultiple Airlines
Deal found 16/11$1,968
Mon 22/1222:00LIS - SYD
2 stops45h 35mMultiple Airlines
Fri 27/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 15/11$2,033
Mon 22/1222:00LIS - SYD
2 stops45h 35mMultiple Airlines
Wed 25/221:15SYD - LIS
2 stops28h 50mMultiple Airlines
Deal found 15/11$2,070
Tue 23/1207:00LIS - SYD
2 stops36h 35mMultiple Airlines
Mon 23/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 15/11$2,082
Wed 26/1116:10LIS - SYD
2 stops27h 25mFinnair
Wed 28/114:30SYD - LIS
2 stops35h 55mFinnair
Deal found 17/11$2,175
Sat 22/1120:40OPO - SYD
2 stops59h 10mMultiple Airlines
Fri 5/1216:20SYD - OPO
2 stops37h 40mMultiple Airlines
Deal found 16/11$2,183
Sat 22/1119:50OPO - SYD
2 stops48h 05mBritish Airways
Fri 5/1216:20SYD - OPO
2 stops37h 40mBritish Airways
Deal found 16/11$2,235
Tue 25/1112:35OPO - SYD
2 stops33h 30mUnited Airlines
Tue 24/211:20SYD - OPO
2 stops33h 10mUnited Airlines
Deal found 16/11$2,249
Thu 20/1111:15OPO - SYD
3 stops35h 45mMultiple Airlines
Fri 5/1212:30SYD - OPO
2 stops35h 55mMultiple Airlines
Deal found 16/11$2,317
Thu 20/1116:10OPO - SYD
2 stops40h 10mTurkish Airlines
Fri 5/1221:15SYD - OPO
2 stops28h 55mTurkish Airlines
Deal found 16/11$2,378

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal to Sydney 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 18 November 2025.
Use the filters below to find and compare flights from Portugal to Sydney that are best for you.

Fly from

Portugal

Fly to

Sydney

Route

Depart

Return

Price

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 8/3

23:30-18:50

2 stops32h 20m

Sydney Kingsford Smith

Fri 13/3

11:40-22:55

3 stops46h 15m

$1,818

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 22/12

22:00-06:35

2 stops45h 35m

Sydney Kingsford Smith

Tue 24/2

16:35-06:40

1 stop25h 05m

$1,924

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 8/2

10:40-06:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/3

16:20-12:05

2 stops30h 45m

$2,010

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 10/2

10:35-06:55

2 stops33h 20m

Sydney Kingsford Smith

Tue 3/3

16:20-14:45

2 stops33h 25m

$2,010

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 12/3

15:55-06:55

2 stops28h 00m

Sydney Kingsford Smith

Mon 16/3

16:20-14:55

2 stops33h 35m

$2,010

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 10/2

10:35-06:55

2 stops33h 20m

Sydney Kingsford Smith

Mon 2/3

16:20-18:55

2 stops37h 35m

$2,010

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 23/12

07:00-06:35

2 stops36h 35m

Sydney Kingsford Smith

Wed 25/2

21:15-15:05

2 stops28h 50m

$2,195

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 7/2

11:05-06:55

2 stops32h 50m

Sydney Kingsford Smith

Wed 29/4

10:10-14:05

2 stops36h 55m

$2,215

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/3

12:35-09:05

2 stops33h 30m

Sydney Kingsford Smith

Mon 16/3

11:50-09:30

2 stops32h 40m

$2,251

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 17/4

12:20-07:00

2 stops57h 40m

Sydney Kingsford Smith

Fri 1/5

09:30-08:20

2 stops31h 50m

$2,266

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 31 results
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Best time to book a flight from Portugal to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Portugal 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 Portugal to Sydney

What is the cheapest month to book a flight from Portugal to Sydney?

Currently, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,299). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,056). 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.

What is the cheapest time of day to fly from PT to SYD?

Find hourly flight availability from Portugal to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 November 2025.

It’s optimal to fly from Portugal to Sydney in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 18 November 2025.
Read reviews from past customers who have flown with Etihad Airways, Air France, andITA Airways from Portugal to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.4
Good
1,305 reviews
Check prices

Entertainment

7.3

Boarding

7.6

Comfort

7.3

Food

7.2

Crew

7.8

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.
Etihad Airways
7.4
Good
1,305 reviews
Etihad Airways
7.4
Good
1,305 reviews
Check prices

Entertainment

7.3

Boarding

7.6

Comfort

7.3

Food

7.2

Crew

7.8

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.
Air France
7.4
Good
1,493 reviews
Etihad Airways
7.4
Good
1,305 reviews
Check prices

Entertainment

7.3

Boarding

7.6

Comfort

7.3

Food

7.2

Crew

7.8

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.
ITA Airways
6.7
Okay
1,083 reviews
Etihad Airways
7.4
Good
1,305 reviews
Check prices

Entertainment

7.3

Boarding

7.6

Comfort

7.3

Food

7.2

Crew

7.8

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Sydney. 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 into for flights to Sydney from Portugal?

    For a flight from Portugal to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

  • How long is the flight from Portugal to Sydney?

    Departing from Portugal to Sydney will take you 33h 15m. There are 18163 km between Portugal and Sydney. This flight may include one or multiple stops.

  • Can I find deals for flights from Portugal to Sydney that include hotel bookings?

    Yes. In addition to deals on Portugal to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Sydney.

  • Can I find deals for business class flights from Portugal to Sydney?

    Yes. Cheapflights offers flight deals from Portugal to Sydney 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 Portugal to Sydney?

    Currently, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,299). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,056). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Top 3 airlines flying from Portugal to Sydney

Discover the top 3 airlines that operate flights from Portugal to Sydney. 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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$2,115Average$2,436FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$2,115Average$2,584FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
ITA AirwaysCheapest$2,171Average$2,403FlexibilityNo cancel feeOn-time81%
Search ITA Airways 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 Portugal to Sydney?

Cheapflights helps you search for flights from Portugal to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portugal to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Portugal to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portugal to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Portugal to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Portugal to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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