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Cheap flights from Portugal to Sydney from $788

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 24/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 February 2026.

Mon 15/607:35
LIS
-
SYD
2 stops49h 50m
Multiple Airlines
Mon 13/720:00
SYD
-
LIS
2 stops47h 50m
Multiple Airlines
Deal found 1/2$1,627
Sun 8/316:05
LIS
-
SYD
2 stops40h 10m
Multiple Airlines
Tue 17/320:45
SYD
-
LIS
2 stops30h 40m
Multiple Airlines
Deal found 1/2$1,672
Mon 2/321:00
LIS
-
SYD
2 stops54h 40m
Multiple Airlines
Mon 9/321:45
SYD
-
LIS
1 stop44h 05m
Multiple Airlines
Deal found 2/2$1,757
Mon 16/306:15
OPO
-
SYD
3 stops37h 00m
Multiple Airlines
Mon 23/306:00
SYD
-
OPO
3 stops46h 00m
Multiple Airlines
Deal found 1/2$1,786
Thu 10/919:15
LIS
-
SYD
2 stops38h 10m
Multiple Airlines
Tue 15/920:00
SYD
-
LIS
2 stops29h 35m
Multiple Airlines
Deal found 2/2$1,823
Thu 19/307:00
LIS
-
SYD
2 stops40h 00m
Multiple Airlines
Thu 26/312:00
SYD
-
LIS
2 stops42h 15m
Multiple Airlines
Deal found 2/2$1,863
Thu 19/321:10
LIS
-
SYD
2 stops34h 40m
Multiple Airlines
Sun 29/321:35
SYD
-
LIS
2 stops35h 55m
Multiple Airlines
Deal found 2/2$1,873
Wed 10/616:05
LIS
-
SYD
2 stops35h 30m
Multiple Airlines
Fri 19/610:15
SYD
-
LIS
3 stops45h 35m
Multiple Airlines
Deal found 1/2$1,875
Sun 27/906:35
LIS
-
SYD
2 stops46h 40m
Multiple Airlines
Sun 25/1021:45
SYD
-
LIS
2 stops28h 20m
Multiple Airlines
Deal found 1/2$1,882
Tue 17/220:55
LIS
-
SYD
2 stops34h 00m
Multiple Airlines
Sat 21/221:45
SYD
-
LIS
1 stop44h 05m
Multiple Airlines
Deal found 1/2$1,899
Sun 15/207:55
OPO
-
SYD
2 stops35h 40m
Multiple Airlines
Thu 19/206:00
SYD
-
OPO
3 stops46h 50m
Multiple Airlines
Deal found 1/2$1,941
Sat 28/219:50
OPO
-
SYD
2 stops48h 05m
British Airways
Fri 13/316:20
SYD
-
OPO
2 stops37h 40m
British Airways
Deal found 2/2$2,024

Find flight deals from Portugal to Sydney

Keep the following information in mind while searching for Portugal to Sydney flight deals. Data was last updated 2 February 2026.

Round-trip from

$1,627

One-way from

$788

Popular in

December

Cheapest in

September

Average price

$2,239
15/6-13/7
  • 15/6-13/7
  • 4 total stops
  • 97h 40m total
  • Portugal to Sydney
Search Deals
24/6
  • 24/6
  • 3 total stops
  • 37h 50m total
  • Portugal to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($178 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($45 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2 February 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

Sat 7/3

18:10-14:40

2 stops57h 30m

Sydney Kingsford Smith

Sun 15/3

21:15-15:10

2 stops28h 55m

$1,714

PortoSydney

OPO - SYD

OPOSYD

Porto

Mon 16/3

06:15-06:15

3 stops37h 00m

Sydney Kingsford Smith

Mon 23/3

06:00-17:00

3 stops46h 00m

$1,786

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 15/2

07:55-06:35

2 stops35h 40m

Sydney Kingsford Smith

Thu 19/2

06:00-17:50

3 stops46h 50m

$1,941

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 7/3

19:15-10:25

2 stops52h 10m

Sydney Kingsford Smith

Wed 11/3

21:15-15:10

2 stops28h 55m

$2,003

PortoSydney

OPO - SYD

OPOSYD

Porto

Sat 28/2

19:50-06:55

2 stops48h 05m

Sydney Kingsford Smith

Fri 13/3

16:20-19:00

2 stops37h 40m

$2,024

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 19/2

10:25-17:55

2 stops44h 30m

Sydney Kingsford Smith

Mon 16/3

21:15-15:05

2 stops28h 50m

$2,040

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 18/2

06:45-22:30

2 stops28h 45m

Sydney Kingsford Smith

Wed 25/2

13:35-21:45

3 stops43h 10m

$2,048

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 19/2

12:55-06:55

2 stops31h 00m

Sydney Kingsford Smith

Tue 17/3

16:20-14:45

2 stops33h 25m

$2,053

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 18/2

12:55-06:55

2 stops31h 00m

Sydney Kingsford Smith

Tue 17/3

16:20-14:45

2 stops33h 25m

$2,053

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 5/3

18:30-18:50

2 stops37h 20m

Sydney Kingsford Smith

Mon 9/3

21:15-15:10

2 stops28h 55m

$2,081

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 30 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 $1,217). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,118). 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 2 February 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
1,531 reviews
Check prices

Comfort

7.3

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Crew

8.1

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
1,531 reviews
Air France
7.4
Good
1,531 reviews
Check prices

Comfort

7.3

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Crew

8.1

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
1,380 reviews
Air France
7.4
Good
1,531 reviews
Check prices

Comfort

7.3

Boarding

7.4

Food

7.0

Overall

7.4

Entertainment

7.0

Crew

8.1

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 31h. There are 18163 km between Portugal and Sydney. This flight may include one or multiple stops.

  • 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 $876 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from $1,134 and Turkish Airlines from $1,543 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 $1,217). Flying from Portugal to Sydney in January is currently the most expensive (average of $2,118). 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
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,982Average$2,391FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest$2,204Average$2,283FlexibilityNo 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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