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Cheap flights from Portugal to Sydney from $668

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
7 Dec — 14 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 7 November 2025.

Round-trip from

$1,463

One-way from

$668

Popular in

October

Cheapest in

May

Average price

$2,402
5/5-14/5
  • 5/5-14/5
  • 4 total stops
  • 82h 15m total
  • Portugal to Sydney
Search Deals
1/12
  • 1/12
  • 2 total stops
  • 54h 40m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($120 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($75 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 7 November 2025.

Tue 2/1206:30LIS - SYD
2 stops46h 00mMultiple Airlines
Tue 13/120:40SYD - LIS
2 stops29h 35mMultiple Airlines
Deal found 6/11$1,496
Wed 10/1206:30LIS - SYD
3 stops39h 45mMultiple Airlines
Wed 25/215:55SYD - LIS
3 stops36h 00mMultiple Airlines
Deal found 5/11$1,508
Fri 5/1206:25LIS - SYD
3 stops39h 50mMultiple Airlines
Wed 25/215:55SYD - LIS
3 stops36h 00mMultiple Airlines
Deal found 5/11$1,699
Wed 10/1206:25LIS - SYD
2 stops45h 15mMultiple Airlines
Mon 23/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 5/11$1,714
Tue 9/1206:55LIS - SYD
2 stops40h 05mMultiple Airlines
Mon 23/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 5/11$1,837
Thu 11/1221:05LIS - SYD
2 stops49h 55mMultiple Airlines
Mon 23/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 5/11$1,927
Mon 1/1221:00LIS - SYD
2 stops54h 40mMultiple Airlines
Tue 13/116:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 6/11$1,947
Sun 7/1209:30LIS - SYD
2 stops42h 25mMultiple Airlines
Wed 25/216:35SYD - LIS
1 stop25h 05mMultiple Airlines
Deal found 5/11$1,948
Sat 22/1119:50OPO - SYD
2 stops48h 05mBritish Airways
Fri 5/1216:20SYD - OPO
2 stops37h 40mBritish Airways
Deal found 6/11$2,090
Thu 13/1120:40OPO - SYD
2 stops35h 10mMultiple Airlines
Wed 26/1116:20SYD - OPO
2 stops35h 25mMultiple Airlines
Deal found 5/11$2,142
Tue 25/1112:35OPO - SYD
2 stops33h 30mUnited Airlines
Tue 24/211:20SYD - OPO
2 stops33h 10mUnited Airlines
Deal found 5/11$2,230
Thu 13/1112:35OPO - SYD
2 stops57h 30mUnited Airlines
Wed 26/1111:50SYD - OPO
2 stops32h 40mUnited Airlines
Deal found 5/11$2,238

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 7 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 16/11

23:30-18:50

2 stops32h 20m

Sydney Kingsford Smith

Tue 2/12

12:45-10:40

2 stops32h 55m

$1,985

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 22/11

19:50-06:55

2 stops48h 05m

Sydney Kingsford Smith

Fri 5/12

16:20-19:00

2 stops37h 40m

$2,090

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 25/11

12:35-09:05

2 stops33h 30m

Sydney Kingsford Smith

Tue 24/2

11:20-09:30

2 stops33h 10m

$2,230

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 30/3

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Tue 7/4

09:30-09:45

2 stops33h 15m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 26/3

12:35-09:05

2 stops33h 30m

Sydney Kingsford Smith

Wed 8/4

09:30-09:45

2 stops33h 15m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 28/3

12:35-07:55

2 stops56h 20m

Sydney Kingsford Smith

Tue 7/4

10:20-09:45

2 stops32h 25m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/3

12:35-09:05

2 stops57h 30m

Sydney Kingsford Smith

Mon 16/3

11:50-09:30

2 stops32h 40m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 26/3

12:35-09:05

2 stops33h 30m

Sydney Kingsford Smith

Thu 2/4

10:30-09:45

2 stops33h 15m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 31/3

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Wed 8/4

09:30-09:45

2 stops33h 15m

$2,236

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 31/3

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Tue 7/4

09:30-09:45

2 stops33h 15m

$2,236

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 39 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 $1,391). Flying from Portugal to Sydney in October is currently the most expensive (average of $2,073). 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 7 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 7 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
1,285 reviews
Check prices

Food

7.2

Boarding

7.6

Crew

7.8

Entertainment

7.3

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.
Etihad Airways
7.4
Good
1,285 reviews
Etihad Airways
7.4
Good
1,285 reviews
Check prices

Food

7.2

Boarding

7.6

Crew

7.8

Entertainment

7.3

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.
Air France
7.4
Good
1,484 reviews
Etihad Airways
7.4
Good
1,285 reviews
Check prices

Food

7.2

Boarding

7.6

Crew

7.8

Entertainment

7.3

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.
ITA Airways
6.7
Okay
1,081 reviews
Etihad Airways
7.4
Good
1,285 reviews
Check prices

Food

7.2

Boarding

7.6

Crew

7.8

Entertainment

7.3

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.

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 30m. There are 18057 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 $1,391). Flying from Portugal to Sydney in October is currently the most expensive (average of $2,073). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$2,120Average$2,442FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$2,120Average$2,590FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
ITA AirwaysCheapest$2,176Average$2,409FlexibilityNo 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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