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Cheap flights from Portugal to Sydney 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
29 Apr — 6 May1
1 adult

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 24 April 2025.

Round-trip from

$1,827

One-way from

$768

Popular in

October

Cheapest in

May

Average price

$2,256
17/9-24/9
  • 17/9-24/9
  • 6 total stops
  • 74h 45m total
  • Portugal to Sydney
Search Deals
10/5
  • 10/5
  • 2 total stops
  • 56h 10m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($97 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Portugal to Sydney

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 24 April 2025.

Wed 17/914:40LIS - SYD
3 stops32h 45mMultiple Airlines
Wed 24/912:50SYD - LIS
3 stops42h 00mMultiple Airlines
Deal found 23/4$1,827
Thu 15/506:25OPO - SYD
3 stops44h 10mMultiple Airlines
Wed 28/520:30SYD - OPO
2 stops35h 05mMultiple Airlines
Deal found 23/4$1,852
Fri 6/616:30LIS - SYD
2 stops27h 50mBritish Airways
Fri 13/614:40SYD - LIS
2 stops28h 25mBritish Airways
Deal found 23/4$2,036
Sat 17/515:55LIS - SYD
2 stops29h 45mAir France
Thu 22/514:50SYD - LIS
2 stops40h 35mAir France
Deal found 23/4$2,111
Thu 15/516:20OPO - SYD
2 stops29h 20mAir France
Wed 28/514:15SYD - OPO
2 stops34h 15mAir France
Deal found 23/4$2,114
Sun 18/509:10LIS - SYD
1 stop22h 45mEtihad Airways
Mon 2/621:30SYD - LIS
1 stop42h 50mEtihad Airways
Deal found 23/4$2,206
Sat 1/1111:55LIS - SYD
2 stops34h 10mUnited Airlines
Mon 10/1112:10SYD - LIS
2 stops31h 00mUnited Airlines
Deal found 23/4$2,283
Thu 13/1118:30LIS - SYD
3 stops52h 05mAir Canada
Thu 20/1111:20SYD - LIS
2 stops38h 45mAir Canada
Deal found 23/4$2,521
Thu 15/509:55OPO - SYD
2 stops34h 25mBritish Airways
Wed 28/520:45SYD - OPO
2 stops46h 40mBritish Airways
Deal found 23/4$2,544
Sun 2/1114:30LIS - SYD
1 stop41h 20mIberia
Sat 8/1121:40SYD - LIS
1 stop26h 20mIberia
Deal found 23/4$2,583
Thu 3/707:45LIS - SYD
2 stops46h 05mAir China
Thu 10/719:40SYD - LIS
2 stops35h 55mAir China
Deal found 23/4$2,599
Sun 18/515:35LIS - SYD
2 stops33h 50mSWISS
Mon 2/614:05SYD - LIS
2 stops33h 40mSWISS
Deal found 23/4$2,661

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 24 April 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

Wed 17/9

14:40-08:25

3 stops32h 45m

Sydney Kingsford Smith

Wed 24/9

12:50-21:50

3 stops42h 00m

$1,827

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 15/5

06:25-11:35

3 stops44h 10m

Sydney Kingsford Smith

Wed 28/5

20:30-22:35

2 stops35h 05m

$1,852

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 6/6

16:30-05:20

2 stops27h 50m

Sydney Kingsford Smith

Fri 13/6

14:40-10:05

2 stops28h 25m

$2,036

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 17/5

15:55-06:40

2 stops29h 45m

Sydney Kingsford Smith

Thu 22/5

14:50-22:25

2 stops40h 35m

$2,111

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 15/5

16:20-06:40

2 stops29h 20m

Sydney Kingsford Smith

Wed 28/5

14:15-15:30

2 stops34h 15m

$2,114

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 18/5

09:10-16:55

1 stop22h 45m

Sydney Kingsford Smith

Mon 2/6

21:30-07:20

1 stop42h 50m

$2,206

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 4/9

10:25-07:00

2 stops35h 35m

Sydney Kingsford Smith

Thu 11/9

10:20-10:30

2 stops33h 10m

$2,372

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 15/5

09:55-05:20

2 stops34h 25m

Sydney Kingsford Smith

Wed 28/5

20:45-10:25

2 stops46h 40m

$2,544

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 3/7

07:45-14:50

2 stops46h 05m

Sydney Kingsford Smith

Thu 10/7

19:40-22:35

2 stops35h 55m

$2,599

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 9/5

20:10-07:20

3 stops50h 10m

Sydney Kingsford Smith

Sat 5/7

09:20-11:05

2 stops34h 45m

$2,625

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 32 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, May is the cheapest month in which you can book a flight from Portugal to Sydney (average of $129). Flying from Portugal to Sydney in October is currently the most expensive (average of $171). 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 24 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to Sydney as you normally would.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 24 April 2025.
Peruse reviews from past customers who have flown with Korean Air, Emirates and KLM from Portugal to Sydney to help guide your decision. 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.
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Korean Air
8.4
Very Good
1,063 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Emirates
8.0
Very Good
3,206 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
KLM
7.8
Good
1,333 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Finnair
7.6
Good
1,272 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
SWISS
7.5
Good
1,582 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

  • What are the cheapest airlines to fly from Portugal to Sydney one-way?

    One-way options have recently been found by users for as low as $1,055 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from $1,241 and Air Canada from $1,394 one-way.

  • 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, May is the cheapest month in which you can book a flight from Portugal to Sydney (average of $129). Flying from Portugal to Sydney in October is currently the most expensive (average of $171). 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 Portugal?

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

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.

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Portugal to Sydney

Discover the top 5 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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,791Average$3,010FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest$1,883Average$3,025FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest$2,052Average$2,861FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
ITA AirwaysCheapest$2,213Average$2,449FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
EmiratesCheapest$3,062Average$3,593FlexibilityNo cancel feeOn-time75%
Search Emirates 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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