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Cheap flights from Sydney to Portugal from $664

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Portugal departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Portugal

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
11:15 - 12:05SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
35h 50m2 stops Hong Kong Intl London Heathrow
British Airways Logo
12:55 - 06:55LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
31h 00m2 stops London Heathrow Singapore Changi
$1,509British Airways
Fri, 5 Feb - Fri, 26 Feb
British Airways Logo
11:15 - 09:50SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
33h 35m2 stops Hong Kong Intl London Heathrow
British Airways Logo
15:50 - 06:55LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
28h 05m2 stops London Heathrow Singapore Changi
$1,510British Airways
Sun, 15 Nov - Mon, 16 Nov
Multiple Airlines Logo
19:40 - 06:50SYD  Sydney Kingsford Smith-OPO Porto
44h 10m2 stops Beijing Capital Madrid Barajas
Multiple Airlines Logo
07:35 - 15:50OPO  Porto-SYD Sydney Kingsford Smith
46h 15m2 stops Madrid Barajas Beijing Capital
$1,514Multiple Airlines
Sat, 3 Oct - Sun, 18 Oct
Multiple Airlines Logo
20:50 - 07:20SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
43h 30m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:25 - 12:45LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
29h 20m2 stops Athens Eleftherios V. Singapore Changi
$1,725Multiple Airlines
Thu, 1 Oct - Sat, 17 Oct
Etihad Airways Logo
16:50 - 15:15SYD  Sydney Kingsford Smith-OPO Porto
33h 25m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
07:35 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
35h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,795Etihad Airways
Wed, 4 Nov - Sun, 8 Nov
Etihad Airways Logo
16:50 - 19:20SYD  Sydney Kingsford Smith-OPO Porto
37h 30m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
07:35 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
35h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,798Etihad Airways
Sun, 8 Nov - Wed, 11 Nov
Air Canada Logo
10:20 - 11:05SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
34h 45m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
08:55 - 08:35LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
36h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl
$1,915Air Canada
Sun, 18 Oct - Thu, 29 Oct
Air Canada Logo
10:20 - 09:20SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
33h 00m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
08:55 - 08:35LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
36h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl
$1,919Air Canada
Sun, 18 Oct - Thu, 29 Oct
Turkish Airlines Logo
21:05 - 23:20SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
35h 15m2 stops Kuala Lumpur Intl Istanbul
Turkish Airlines Logo
06:00 - 19:25LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
26h 25m2 stops Istanbul Singapore Changi
$1,922Turkish Airlines
Tue, 15 Sep - Fri, 30 Oct
Turkish Airlines Logo
22:05 - 15:40SYD  Sydney Kingsford Smith-LIS Lisbon Humberto Delgado
27h 35m1 stop Istanbul
Turkish Airlines Logo
06:00 - 19:25LIS  Lisbon Humberto Delgado-SYD Sydney Kingsford Smith
26h 25m1 stop Istanbul
$2,024Turkish Airlines
Tue, 13 Oct - Wed, 28 Oct

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British Airways flights from Sydney to Portugal

Our best British Airways deals on Sydney to Portugal flight tickets
British Airways
5 Feb
SYD11:15Sydney Kingsford Smith
35h 50m
2 stops
LIS12:05Lisbon Humberto Delgado
26 Feb
LIS12:55Lisbon Humberto Delgado
31h 00m
2 stops
SYD06:55Sydney Kingsford Smith
$1,509
British Airways
15 Nov
SYD11:15Sydney Kingsford Smith
33h 35m
2 stops
LIS09:50Lisbon Humberto Delgado
16 Nov
LIS15:50Lisbon Humberto Delgado
28h 05m
2 stops
SYD06:55Sydney Kingsford Smith
$1,510
British Airways
22 Nov
SYD16:20Sydney Kingsford Smith
33h 30m
2 stops
LIS14:50Lisbon Humberto Delgado
27 Nov
LIS12:55Lisbon Humberto Delgado
31h 00m
2 stops
SYD06:55Sydney Kingsford Smith
$1,577

Etihad Airways flights from Sydney to Portugal

Our best Etihad Airways deals on Sydney to Portugal flight tickets
Etihad Airways
8 Nov
SYD16:50Sydney Kingsford Smith
37h 30m
2 stops
OPO19:20Porto
11 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,798
Etihad Airways
8 Nov
SYD16:50Sydney Kingsford Smith
37h 30m
2 stops
OPO19:20Porto
11 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,799
Etihad Airways
4 Nov
SYD16:50Sydney Kingsford Smith
33h 25m
2 stops
OPO15:15Porto
8 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,800

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Portugal 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 12 August 2026.
Use the filters below to find and compare flights from Sydney to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Fri 5/2

11:15-12:05

2 stops35h 50m

Lisbon Humberto Delgado

Fri 26/2

12:55-06:55

2 stops31h 00m

$1,509

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Sun 15/11

11:15-09:50

2 stops33h 35m

Lisbon Humberto Delgado

Mon 16/11

15:50-06:55

2 stops28h 05m

$1,510

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 3/10

19:40-06:50

2 stops44h 10m

Porto

Sun 18/10

07:35-15:50

2 stops46h 15m

$1,514

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Thu 1/10

20:50-07:20

1 stop43h 30m

Lisbon Humberto Delgado

Sat 17/10

21:25-12:45

2 stops29h 20m

$1,725

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 4/11

16:50-15:15

2 stops33h 25m

Porto

Sun 8/11

07:35-06:30

2 stops35h 55m

$1,795

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 8/11

16:50-19:20

2 stops37h 30m

Porto

Wed 11/11

07:35-06:30

2 stops35h 55m

$1,798

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Sun 18/10

10:20-11:05

2 stops34h 45m

Lisbon Humberto Delgado

Thu 29/10

08:55-08:35

3 stops36h 40m

$1,915

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Sun 18/10

10:20-09:20

3 stops33h 00m

Lisbon Humberto Delgado

Thu 29/10

08:55-08:35

3 stops36h 40m

$1,919

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Tue 15/9

21:05-23:20

2 stops35h 15m

Lisbon Humberto Delgado

Fri 30/10

06:00-19:25

2 stops26h 25m

$1,922
Fastest return journey

SydneyLisbon

SYD Sydney Kingsford Smith - LIS Lisbon Humberto Delgado

SYDLIS

Sydney Kingsford Smith

Tue 13/10

22:05-15:40

1 stop27h 35m

Lisbon Humberto Delgado

Wed 28/10

06:00-19:25

1 stop26h 25m

$2,024

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 Portugal from

How to get the cheapest flight ticket from Sydney to Portugal

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 Portugal?

In general, November is the cheapest month to fly from Sydney to Portugal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,533. If you’re not able to fly to Portugal in November, then February is your next best option. Flight prices from Sydney to Portugal during February average around $1,766.

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

You are more likely to see cheaper flights to Portugal from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $2,208 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Sydney for as low as $1,974 on momondo.

Can stopping save me money on Sydney to Portugal flights?

You could potentially save up to 28% on your flight if you consider stops on a Sydney to Portugal flight.

Cheap Sydney to Portugal flight deals and tips

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

Fastest flight time

27h 45m

Direct flights

None
The fastest flight from Sydney to Portugal takes 27h 45m
There are no direct flights from Sydney to Portugal. There are no popular flight routes from Sydney to Portugal.
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Frequently asked questions about flying from Sydney to Portugal

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sydney to Portugal

Compare and see reviews for airlines that fly from Sydney to Portugal with momondo
Airline
Rating
Free cancellation
Price
Etihad AirwaysPriceFrom $1,151Free cancellationRating
7.3
1,502 reviews
Search Etihad Airways flights
Japan AirlinesPriceFrom $1,195Free cancellationRating
8.3
1,901 reviews
Search Japan Airlines flights
Turkish AirlinesPriceFrom $1,418Free cancellationRating
7.4
4,482 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,441Free cancellationRating
7.4
3,744 reviews
Search Qatar Airways flights
Air CanadaPriceFrom $1,521Free cancellationRating
7.1
11,466 reviews
Search Air Canada flights
British AirwaysPriceFrom $1,591Free cancellationRating
6.7
8,160 reviews
Search British Airways flights
United AirlinesPriceFrom $1,898Free cancellationRating
7.4
10,115 reviews
Search United Airlines flights
LufthansaPriceFrom $1,927Free cancellationRating
6.8
8,182 reviews
Search Lufthansa flights
EmiratesPriceFrom $1,940Free cancellationRating
8.1
3,654 reviews
Search Emirates flights
Air FrancePriceFrom $1,956Free cancellationRating
7.5
1,641 reviews
Search Air France flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Portugal . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Sydney to Portugal on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from Sydney.

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

If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from Sydney and alert you when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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