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Cheap flights from Portugal to Sydney from $658

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
8 Feb — 15 Feb1
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 9 January 2026.

Round-trip from

$1,519

One-way from

$658

Popular in

December

Cheapest in

September

Average price

$2,592
3/3-18/3
  • 3/3-18/3
  • 4 total stops
  • 76h 15m total
  • Portugal to Sydney
Search Deals
14/3
  • 14/3
  • 2 total stops
  • 53h 40m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($205 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($49 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 9 January 2026.

Tue 3/307:00LIS - SYD
2 stops40h 00mMultiple Airlines
Wed 18/321:30SYD - LIS
2 stops36h 15mMultiple Airlines
Deal found 6/1$1,519
Wed 4/316:05OPO - SYD
3 stops34h 30mMultiple Airlines
Mon 9/312:00SYD - OPO
2 stops33h 50mMultiple Airlines
Deal found 7/1$1,521
Mon 2/214:40LIS - SYD
2 stops35h 55mMultiple Airlines
Mon 9/214:00SYD - LIS
2 stops31h 45mMultiple Airlines
Deal found 7/1$1,525
Mon 2/211:15OPO - SYD
3 stops35h 10mMultiple Airlines
Sat 7/214:00SYD - OPO
2 stops31h 05mMultiple Airlines
Deal found 8/1$1,556
Sat 21/221:45LIS - SYD
2 stops33h 10mMultiple Airlines
Sat 28/214:00SYD - LIS
2 stops33h 20mMultiple Airlines
Deal found 6/1$1,574
Mon 2/213:05LIS - SYD
2 stops33h 20mMultiple Airlines
Mon 16/220:40SYD - LIS
2 stops35h 35mMultiple Airlines
Deal found 6/1$1,582
Sun 1/308:35LIS - SYD
2 stops47h 40mMultiple Airlines
Sun 8/320:45SYD - LIS
2 stops47h 00mMultiple Airlines
Deal found 7/1$1,597
Mon 23/212:15OPO - SYD
2 stops31h 20mMultiple Airlines
Mon 2/314:00SYD - OPO
2 stops35h 05mMultiple Airlines
Deal found 9/1$1,603
Wed 14/106:30LIS - SYD
3 stops39h 45mMultiple Airlines
Tue 27/120:40SYD - LIS
2 stops29h 40mMultiple Airlines
Deal found 8/1$1,671
Mon 16/211:25LIS - SYD
3 stops32h 10mMultiple Airlines
Mon 2/314:00SYD - LIS
2 stops34h 55mMultiple Airlines
Deal found 8/1$1,692
Sat 14/214:45OPO - SYD
2 stops35h 50mMultiple Airlines
Mon 2/314:00SYD - OPO
2 stops35h 10mMultiple Airlines
Deal found 7/1$1,704
Sat 21/206:05OPO - SYD
2 stops29h 25mMultiple Airlines
Sat 28/214:00SYD - OPO
3 stops34h 55mMultiple Airlines
Deal found 7/1$1,773

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 9 January 2026.
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

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 2/2

11:15-09:25

3 stops35h 10m

Sydney Kingsford Smith

Sat 7/2

14:00-10:05

2 stops31h 05m

$1,556

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 4/3

12:35-10:00

2 stops34h 25m

Sydney Kingsford Smith

Mon 9/3

12:00-12:05

2 stops35h 05m

$1,579

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 23/2

08:45-06:35

3 stops34h 50m

Sydney Kingsford Smith

Mon 2/3

14:00-14:05

2 stops35h 05m

$1,692

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 14/2

14:45-11:00

3 stops33h 15m

Sydney Kingsford Smith

Mon 2/3

14:00-14:10

2 stops35h 10m

$1,715

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 2/2

14:40-13:35

2 stops35h 55m

Sydney Kingsford Smith

Mon 16/2

14:00-14:35

3 stops35h 35m

$1,715

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 21/2

06:05-22:30

2 stops29h 25m

Sydney Kingsford Smith

Sat 28/2

14:00-13:55

3 stops34h 55m

$1,773

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 6/3

15:50-06:55

2 stops28h 05m

Sydney Kingsford Smith

Sat 14/3

11:15-09:55

2 stops33h 40m

$1,785

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 5/3

15:55-06:55

2 stops28h 00m

Sydney Kingsford Smith

Sat 14/3

11:15-09:55

2 stops33h 40m

$1,785

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 17/3

16:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Tue 24/3

11:15-09:50

2 stops33h 35m

$1,785

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 2/3

15:50-06:55

2 stops28h 05m

Sydney Kingsford Smith

Tue 10/3

11:05-09:50

2 stops33h 45m

$1,786

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 30 results
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2
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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 $1,262). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,197). 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 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 9 January 2026.
Read reviews from past customers who have flown with Air France and Etihad 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.
Air France
7.4
Good
1,519 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Air France
7.4
Good
1,519 reviews
Air France
7.4
Good
1,519 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Etihad Airways
7.3
Good
1,361 reviews
Air France
7.4
Good
1,519 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

7.0

Entertainment

7.0

Comfort

7.4

Overall

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class

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 28h 05m. There are 18163 km between Portugal and Sydney.

  • 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 $909 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from $1,176 and Emirates from $1,908 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, April is the cheapest month in which you can book a flight from Portugal to Sydney (average of $1,262). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,197). 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
Penrith
Terrigal
Katoomba
Manly
Lithgow
Randwick
Coogee
Leura
Cronulla
Bondi Beach

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Top 2 airlines flying from Portugal to Sydney

Discover the top 2 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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$2,056Average$2,480FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest$2,285Average$2,368FlexibilityNo cancel feeOn-time77%
Search Air France 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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