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Cheap flights from Portugal to Sydney from $857

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Sydney departing on 29/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portugal to Sydney

Recent return flight deals from Portugal to Sydney

Logo
18:50 - 14:15LIS-SYD
58h 25m2 stops
Logo
21:30 - 07:20SYD-LIS
42h 50m1 stop
$1,723
Find Deal
Sun, 14 Sep - Mon, 29 Sep
Logo
13:15 - 06:10LIS-SYD
55h 55m2 stops
Logo
21:30 - 07:20SYD-LIS
42h 50m1 stop
$1,732
Find Deal
Thu, 18 Sep - Fri, 3 Oct
British Airways Logo
16:25 - 05:20LIS-SYD
27h 55m2 stops
British Airways Logo
14:40 - 10:05SYD-LIS
28h 25m2 stops
$1,892British Airways
Find Deal
Wed, 10 Sep - Tue, 16 Sep
British Airways Logo
12:55 - 06:55LIS-SYD
31h 00m2 stops
British Airways Logo
16:20 - 17:55SYD-LIS
36h 35m2 stops
$1,932British Airways
Find Deal
Sun, 1 Feb - Sat, 28 Feb
United Airlines Logo
09:15 - 07:00OPO-SYD
36h 45m2 stops
United Airlines Logo
09:30 - 06:55SYD-OPO
30h 25m2 stops
$2,230United Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
United Airlines Logo
12:35 - 07:00OPO-SYD
33h 25m2 stops
United Airlines Logo
09:30 - 06:55SYD-OPO
30h 25m2 stops
$2,262United Airlines
Find Deal
Fri, 5 Sep - Sun, 21 Sep
Qatar Airways Logo
08:20 - 06:50OPO-SYD
35h 30m2 stops
Qatar Airways Logo
21:40 - 16:00SYD-OPO
29h 20m2 stops
$2,497Qatar Airways
Find Deal
Fri, 5 Dec - Mon, 22 Dec
Qatar Airways Logo
08:20 - 06:50OPO-SYD
35h 30m2 stops
Qatar Airways Logo
21:40 - 16:00SYD-OPO
29h 20m2 stops
$2,500Qatar Airways
Find Deal
Fri, 5 Dec - Mon, 22 Dec
Turkish Airlines Logo
10:45 - 09:45OPO-SYD
38h 00m2 stops
Turkish Airlines Logo
20:55 - 15:50SYD-OPO
27h 55m2 stops
$2,643Turkish Airlines
Find Deal
Fri, 26 Sep - Tue, 30 Sep
Turkish Airlines Logo
16:10 - 10:45OPO-SYD
31h 35m2 stops
Turkish Airlines Logo
21:45 - 09:55SYD-OPO
47h 10m2 stops
$2,675Turkish Airlines
Find Deal
Thu, 18 Dec - Mon, 5 Jan

Turkish Airlines flights from Portugal to Sydney

Our best Turkish Airlines deals on Portugal to Sydney flight tickets
Turkish Airlines
26 Sept
OPO10:45Porto
38h 00m
2 stops
SYD09:45Sydney Kingsford Smith
30 Sept
SYD20:55Sydney Kingsford Smith
27h 55m
2 stops
OPO15:50Porto
$2,643
Find similar
Turkish Airlines
18 Dec
OPO16:10Porto
31h 35m
2 stops
SYD10:45Sydney Kingsford Smith
5 Jan
SYD21:45Sydney Kingsford Smith
47h 10m
2 stops
OPO09:55Porto
$2,675
Find similar
Turkish Airlines
18 Dec
OPO16:10Porto
31h 35m
2 stops
SYD10:45Sydney Kingsford Smith
5 Jan
SYD21:45Sydney Kingsford Smith
47h 10m
2 stops
OPO09:55Porto
$2,704
Find similar

Qatar Airways flights from Portugal to Sydney

Our best Qatar Airways deals on Portugal to Sydney flight tickets
Qatar Airways
5 Dec
OPO08:20Porto
35h 30m
2 stops
SYD06:50Sydney Kingsford Smith
22 Dec
SYD21:40Sydney Kingsford Smith
29h 20m
2 stops
OPO16:00Porto
$2,497
Find similar
Qatar Airways
5 Dec
OPO08:20Porto
35h 30m
2 stops
SYD06:50Sydney Kingsford Smith
22 Dec
SYD21:40Sydney Kingsford Smith
29h 20m
2 stops
OPO16:00Porto
$2,500
Find similar
Qatar Airways
5 Dec
OPO08:20Porto
35h 30m
2 stops
SYD06:50Sydney Kingsford Smith
22 Dec
SYD21:40Sydney Kingsford Smith
29h 20m
2 stops
OPO16:00Porto
$2,505
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 17 August 2025.
Use the filters below to find and compare flights from Portugal to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 14/9

18:50-14:15

2 stops58h 25m

Sydney Kingsford Smith

Mon 29/9

21:30-07:20

1 stop42h 50m

$1,723

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 18/9

13:15-06:10

2 stops55h 55m

Sydney Kingsford Smith

Fri 3/10

21:30-07:20

1 stop42h 50m

$1,732

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 10/9

16:25-05:20

2 stops27h 55m

Sydney Kingsford Smith

Tue 16/9

14:40-10:05

2 stops28h 25m

$1,892

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 1/2

12:55-06:55

2 stops31h 00m

Sydney Kingsford Smith

Sat 28/2

16:20-17:55

2 stops36h 35m

$1,932

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 14/9

09:15-07:00

2 stops36h 45m

Sydney Kingsford Smith

Sun 21/9

09:30-06:55

2 stops30h 25m

$2,230

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 5/9

12:35-07:00

2 stops33h 25m

Sydney Kingsford Smith

Sun 21/9

09:30-06:55

2 stops30h 25m

$2,262

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 5/12

08:20-06:50

2 stops35h 30m

Sydney Kingsford Smith

Mon 22/12

21:40-16:00

2 stops29h 20m

$2,497

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 5/12

08:20-06:50

2 stops35h 30m

Sydney Kingsford Smith

Mon 22/12

21:40-16:00

2 stops29h 20m

$2,500

PortoSydney

OPO - SYD

OPOSYD

Porto

Fri 26/9

10:45-09:45

2 stops38h 00m

Sydney Kingsford Smith

Tue 30/9

20:55-15:50

2 stops27h 55m

$2,643

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 18/12

16:10-10:45

2 stops31h 35m

Sydney Kingsford Smith

Mon 5/1

21:45-09:55

2 stops47h 10m

$2,675

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Portugal to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Portugal, with most prices found around $2,170. If you aren’t able to travel to Sydney during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $2,245.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,172. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $3,060.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Portugal to Sydney in the afternoon for as low as $2,579. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,513 on average. Flights to Sydney from Portugal in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,476 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Portugal for as low as $2,161 on momondo.

Can stopping save me money on Portugal to Sydney flights?

You could potentially save up to 5% on your flight if you consider stops on a Portugal to Sydney flight.

Cheap Portugal to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Sydney

Best price found

$857

Fastest flight time

22h 30m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Portugal in the past 72 hours is $857. The best return flight deal from Portugal to Sydney found on momondo in the last 72 hours is $1,723.
The fastest flight from Portugal to Sydney takes 22h 30m
There are no direct flights from Portugal to Sydney. Popular non-direct routes for this connection are Lisbon Humberto Delgado Airport - Sydney Kingsford Smith Airport and Porto Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • When did momondo last update prices for flights from Portugal to Sydney Kingsford Smith Airport?

    Prices for flights from Portugal to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Portugal to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Portugal to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Sydney

Compare and see reviews for airlines that fly from Portugal to Sydney with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,843Free cancellationRating
6.6
7,271 reviews
Search British Airways flights
Air FrancePriceFrom $2,047Free cancellationRating
7.4
1,468 reviews
Search Air France flights
Etihad AirwaysPriceFrom $2,116Free cancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
ITA AirwaysPriceFrom $2,172Free cancellationRating
6.7
1,019 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $2,222Free cancellationRating
7.3
3,943 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $3,049Free cancellationRating
8.1
3,315 reviews
Search Emirates flights

Travelling to a place near Sydney?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Portugal.

Can I find flights from Portugal to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Portugal with this policy.

How can momondo help me find flights from Portugal to Sydney?

momondo helps you find the best flight between Portugal and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portugal to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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