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Cheap flights from Portugal to Sydney from $718

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 3/12. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:05 - 15:30LIS-SYD
36h 25m2 stops
Multiple Airlines Logo
20:40 - 19:15SYD-LIS
33h 35m2 stops
$1,673Multiple Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Multiple Airlines Logo
13:55 - 09:15LIS-SYD
32h 20m3 stops
Multiple Airlines Logo
20:05 - 16:55SYD-LIS
31h 50m2 stops
$1,676Multiple Airlines
Find Deal
Thu, 13 Nov - Wed, 26 Nov
Turkish Airlines Logo
16:05 - 10:45LIS-SYD
31h 40m2 stops
Turkish Airlines Logo
12:45 - 10:00SYD-LIS
32h 15m2 stops
$1,894Turkish Airlines
Find Deal
Wed, 4 Feb - Wed, 18 Feb
Turkish Airlines Logo
16:10 - 10:45OPO-SYD
31h 35m2 stops
Turkish Airlines Logo
12:45 - 09:55SYD-OPO
32h 10m2 stops
$1,944Turkish Airlines
Find Deal
Thu, 13 Nov - Wed, 26 Nov
Finnair Logo
16:10 - 07:25LIS-SYD
28h 15m2 stops
Finnair Logo
14:30 - 15:25SYD-LIS
35h 55m2 stops
$2,134Finnair
Find Deal
Thu, 20 Nov - Thu, 27 Nov
Finnair Logo
16:10 - 07:25LIS-SYD
28h 15m2 stops
Finnair Logo
14:30 - 15:25SYD-LIS
35h 55m2 stops
$2,200Finnair
Find Deal
Thu, 13 Nov - Wed, 26 Nov
United Airlines Logo
12:35 - 09:05OPO-SYD
57h 30m2 stops
United Airlines Logo
10:20 - 09:30SYD-OPO
34h 10m2 stops
$2,244United Airlines
Find Deal
Thu, 12 Mar - Mon, 16 Mar
United Airlines Logo
12:35 - 08:00OPO-SYD
33h 25m2 stops
United Airlines Logo
09:30 - 09:45SYD-OPO
33h 15m2 stops
$2,246United Airlines
Find Deal
Sun, 29 Mar - Tue, 7 Apr
Air Canada Logo
06:15 - 08:20OPO-SYD
40h 05m3 stops
Air Canada Logo
09:20 - 15:00SYD-OPO
38h 40m3 stops
$2,633Air Canada
Find Deal
Wed, 1 Apr - Wed, 8 Apr
Air Canada Logo
11:05 - 08:20OPO-SYD
59h 15m3 stops
Air Canada Logo
09:20 - 15:00SYD-OPO
38h 40m3 stops
$2,649Air Canada
Find Deal
Tue, 31 Mar - Wed, 8 Apr

Finnair flights from Portugal to Sydney

Our best Finnair deals on Portugal to Sydney flight tickets
Finnair
20 Nov
LIS16:10Lisbon Humberto Delgado
28h 15m
2 stops
SYD07:25Sydney Kingsford Smith
27 Nov
SYD14:30Sydney Kingsford Smith
35h 55m
2 stops
LIS15:25Lisbon Humberto Delgado
$2,134
Find similar
Finnair
13 Nov
LIS16:10Lisbon Humberto Delgado
28h 15m
2 stops
SYD07:25Sydney Kingsford Smith
26 Nov
SYD14:30Sydney Kingsford Smith
35h 55m
2 stops
LIS15:25Lisbon Humberto Delgado
$2,200
Find similar

United Airlines flights from Portugal to Sydney

Our best United Airlines deals on Portugal to Sydney flight tickets
United Airlines
12 Mar
OPO12:35Porto
57h 30m
2 stops
SYD09:05Sydney Kingsford Smith
16 Mar
SYD10:20Sydney Kingsford Smith
34h 10m
2 stops
OPO09:30Porto
$2,244
Find similar
United Airlines
29 Mar
OPO12:35Porto
33h 25m
2 stops
SYD08:00Sydney Kingsford Smith
7 Apr
SYD09:30Sydney Kingsford Smith
33h 15m
2 stops
OPO09:45Porto
$2,246
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 6 October 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

Tue 4/11

16:05-15:30

2 stops36h 25m

Sydney Kingsford Smith

Tue 11/11

20:40-19:15

2 stops33h 35m

$1,673

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 13/11

13:55-09:15

3 stops32h 20m

Sydney Kingsford Smith

Wed 26/11

20:05-16:55

2 stops31h 50m

$1,676

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 4/2

16:05-10:45

2 stops31h 40m

Sydney Kingsford Smith

Wed 18/2

12:45-10:00

2 stops32h 15m

$1,894

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 13/11

16:10-10:45

2 stops31h 35m

Sydney Kingsford Smith

Wed 26/11

12:45-09:55

2 stops32h 10m

$1,944

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 20/11

16:10-07:25

2 stops28h 15m

Sydney Kingsford Smith

Thu 27/11

14:30-15:25

2 stops35h 55m

$2,134

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 13/11

16:10-07:25

2 stops28h 15m

Sydney Kingsford Smith

Wed 26/11

14:30-15:25

2 stops35h 55m

$2,200

PortoSydney

OPO - SYD

OPOSYD

Porto

Thu 12/3

12:35-09:05

2 stops57h 30m

Sydney Kingsford Smith

Mon 16/3

10:20-09:30

2 stops34h 10m

$2,244

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 29/3

12:35-08:00

2 stops33h 25m

Sydney Kingsford Smith

Tue 7/4

09:30-09:45

2 stops33h 15m

$2,246

PortoSydney

OPO - SYD

OPOSYD

Porto

Wed 1/4

06:15-08:20

3 stops40h 05m

Sydney Kingsford Smith

Wed 8/4

09:20-15:00

3 stops38h 40m

$2,633

PortoSydney

OPO - SYD

OPOSYD

Porto

Tue 31/3

11:05-08:20

3 stops59h 15m

Sydney Kingsford Smith

Wed 8/4

09:20-15:00

3 stops38h 40m

$2,649

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 May is, on average, the cheapest month to fly to Sydney from Portugal, with most prices found around $2,113. If you aren’t able to travel to Sydney during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $2,223.

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 $2,142. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $3,017.

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 $2,543. 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 $3,464 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 $2,458 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 $2,262 on momondo.

Can stopping save me money on Portugal to Sydney flights?

You could potentially save up to 23% 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

Direct flights

None
There are no direct flights from Portugal to Sydney. There are no popular flight routes from Portugal to Sydney.
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 $1,818Free cancellationRating
6.7
7,429 reviews
Search British Airways flights
Air FrancePriceFrom $2,086Free cancellationRating
7.4
1,467 reviews
Search Air France flights
Etihad AirwaysPriceFrom $2,086Free cancellationRating
7.4
1,269 reviews
Search Etihad Airways flights
ITA AirwaysPriceFrom $2,142Free cancellationRating
6.7
1,058 reviews
Search ITA Airways flights
Turkish AirlinesPriceFrom $2,192Free cancellationRating
7.3
3,987 reviews
Search Turkish Airlines flights
EmiratesPriceFrom $3,034Free cancellationRating
8.1
3,363 reviews
Search Emirates flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
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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