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Cheap flights from Portugal to Sydney from $649

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
14 Dec — 21 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 14 November 2025.

Round-trip from

$1,659

One-way from

$649

Popular in

December

Cheapest in

May

Average price

$2,405
24/11-9/12
  • 24/11-9/12
  • 4 total stops
  • 68h 35m 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 ($216 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($41 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 14 November 2025.

Thu 27/1110:25LIS - SYD
3 stops33h 10mMultiple Airlines
Mon 1/1215:15SYD - LIS
3 stops33h 00mMultiple Airlines
Deal found 11/11$1,500
Mon 24/1108:40LIS - SYD
2 stops34h 55mMultiple Airlines
Tue 9/1216:35SYD - LIS
2 stops33h 40mMultiple Airlines
Deal found 13/11$1,659
Sat 22/1120:30LIS - SYD
2 stops34h 25mMultiple Airlines
Fri 5/1221:30SYD - LIS
2 stops33h 35mMultiple Airlines
Deal found 11/11$1,959
Mon 17/1120:40OPO - SYD
2 stops35h 10mMultiple Airlines
Tue 2/1216:20SYD - OPO
2 stops36h 25mMultiple Airlines
Deal found 11/11$2,097
Fri 28/1106:25LIS - SYD
3 stops39h 50mMultiple Airlines
Tue 2/1212:45SYD - LIS
2 stops32h 55mMultiple Airlines
Deal found 12/11$2,100
Thu 20/1119:50LIS - SYD
2 stops35h 05mMultiple Airlines
Fri 5/1221:30SYD - LIS
2 stops34h 45mMultiple Airlines
Deal found 12/11$2,205
Wed 12/1107:20LIS - SYD
3 stops40h 05mMultiple Airlines
Tue 18/1121:15SYD - LIS
3 stops35h 30mMultiple Airlines
Deal found 11/11$2,219
Tue 25/1112:35OPO - SYD
2 stops57h 30mUnited Airlines
Tue 24/212:10SYD - OPO
2 stops32h 20mUnited Airlines
Deal found 11/11$2,231
Thu 20/1106:00LIS - SYD
2 stops26h 20mTurkish Airlines
Fri 5/1221:15SYD - LIS
2 stops28h 50mTurkish Airlines
Deal found 11/11$2,254
Thu 20/1106:25OPO - SYD
3 stops39h 50mMultiple Airlines
Fri 5/1211:15SYD - OPO
3 stops45h 35mMultiple Airlines
Deal found 12/11$2,265
Thu 27/1111:30LIS - SYD
2 stops44h 50mTurkish Airlines
Mon 1/1212:45SYD - LIS
2 stops32h 15mTurkish Airlines
Deal found 11/11$2,268
Sun 16/1116:30OPO - SYD
2 stops39h 50mTurkish Airlines
Sat 22/1121:15SYD - OPO
2 stops29h 15mTurkish Airlines
Deal found 11/11$2,319

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 14 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

Mon 24/11

08:40-06:35

2 stops34h 55m

Sydney Kingsford Smith

Tue 9/12

16:35-15:15

2 stops33h 40m

$1,659

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 3/2

21:05-19:15

2 stops35h 10m

Sydney Kingsford Smith

Sun 15/3

20:05-16:55

3 stops31h 50m

$1,941

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 8/2

10:40-06:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/3

16:20-17:45

2 stops36h 25m

$1,988

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 7/2

15:55-06:55

2 stops52h 00m

Sydney Kingsford Smith

Thu 19/2

16:20-12:10

2 stops30h 50m

$1,988

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

$1,990

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 10/2

10:35-06:55

2 stops33h 20m

Sydney Kingsford Smith

Mon 2/3

16:20-14:55

2 stops33h 35m

$1,990

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 6/2

18:45-06:55

2 stops49h 10m

Sydney Kingsford Smith

Fri 20/2

16:20-10:05

2 stops28h 45m

$2,051

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 6/2

18:45-06:55

2 stops49h 10m

Sydney Kingsford Smith

Mon 16/2

16:20-18:55

2 stops37h 35m

$2,051

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 6/2

18:45-06:55

2 stops49h 10m

Sydney Kingsford Smith

Wed 18/2

16:20-09:55

2 stops28h 35m

$2,051

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 17/11

20:40-18:50

2 stops35h 10m

Sydney Kingsford Smith

Tue 2/12

16:20-17:45

2 stops36h 25m

$2,097

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,291). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,043). 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 14 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 14 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
1,296 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

7.2

Overall

7.4

Entertainment

7.3

Crew

7.8

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
1,296 reviews
Etihad Airways
7.4
Good
1,296 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

7.2

Overall

7.4

Entertainment

7.3

Crew

7.8

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
1,487 reviews
Etihad Airways
7.4
Good
1,296 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

7.2

Overall

7.4

Entertainment

7.3

Crew

7.8

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
1,082 reviews
Etihad Airways
7.4
Good
1,296 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

7.2

Overall

7.4

Entertainment

7.3

Crew

7.8

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 $1,291). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,043). 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$2,102Average$2,422FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$2,102Average$2,568FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
ITA AirwaysCheapest$2,158Average$2,388FlexibilityNo 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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