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Cheap flights from Sydney to Porto from $784

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 Porto departing on 19/4. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 11:35
SYD
-
OPO
28h 55m
2 stops
Multiple Airlines Logo
22:00 - 16:50
OPO
-
SYD
33h 50m
2 stops
$1,393Multiple Airlines
Tue, 7 Apr - Tue, 14 Apr
Multiple Airlines Logo
15:40 - 18:35
SYD
-
OPO
35h 55m
2 stops
Multiple Airlines Logo
22:00 - 16:50
OPO
-
SYD
33h 50m
2 stops
$1,411Multiple Airlines
Tue, 7 Apr - Tue, 14 Apr
Etihad Airways Logo
15:40 - 19:20
SYD
-
OPO
36h 40m
2 stops
Etihad Airways Logo
16:05 - 16:50
OPO
-
SYD
39h 45m
2 stops
$1,481Etihad Airways
Sun, 3 May - Thu, 28 May
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
16:05 - 06:10
OPO
-
SYD
29h 05m
2 stops
$1,484Etihad Airways
Fri, 24 Apr - Fri, 1 May
Etihad Airways Logo
15:40 - 15:15
SYD
-
OPO
32h 35m
2 stops
Etihad Airways Logo
11:35 - 06:10
OPO
-
SYD
33h 35m
2 stops
$1,493Etihad Airways
Wed, 22 Apr - Wed, 29 Apr
Etihad Airways Logo
15:40 - 19:20
SYD
-
OPO
36h 40m
2 stops
Etihad Airways Logo
20:10 - 16:50
OPO
-
SYD
35h 40m
2 stops
$1,503Etihad Airways
Sun, 3 May - Thu, 28 May
Etihad Airways Logo
20:50 - 16:00
SYD
-
OPO
52h 10m
2 stops
Etihad Airways Logo
16:05 - 06:10
OPO
-
SYD
29h 05m
2 stops
$1,514Etihad Airways
Sat, 11 Apr - Fri, 24 Apr
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
11:35 - 16:50
OPO
-
SYD
44h 15m
2 stops
$1,529Etihad Airways
Sat, 25 Apr - Sat, 2 May
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
16:05 - 06:10
OPO
-
SYD
29h 05m
2 stops
$1,538Etihad Airways
Sat, 25 Apr - Mon, 27 Apr
Etihad Airways Logo
15:40 - 19:20
SYD
-
OPO
36h 40m
2 stops
Etihad Airways Logo
16:05 - 16:50
OPO
-
SYD
39h 45m
2 stops
$1,597Etihad Airways
Sun, 3 May - Sun, 31 May

Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
3 May
SYD15:40Sydney Kingsford Smith
36h 40m
2 stops
OPO19:20Porto
28 May
OPO16:05Porto
39h 45m
2 stops
SYD16:50Sydney Kingsford Smith
$1,481
Etihad Airways
24 Apr
SYD20:50Sydney Kingsford Smith
43h 00m
2 stops
OPO06:50Porto
1 May
OPO16:05Porto
29h 05m
2 stops
SYD06:10Sydney Kingsford Smith
$1,484
Etihad Airways
22 Apr
SYD15:40Sydney Kingsford Smith
32h 35m
2 stops
OPO15:15Porto
29 Apr
OPO11:35Porto
33h 35m
2 stops
SYD06:10Sydney Kingsford Smith
$1,493

United Airlines flights from Sydney to Porto

Our best United Airlines deals on Sydney to Porto flight tickets
United Airlines
30 Apr
SYD09:30Sydney Kingsford Smith
33h 15m
2 stops
OPO09:45Porto
30 May
OPO12:35Porto
33h 25m
2 stops
SYD07:00Sydney Kingsford Smith
$2,074
United Airlines
30 Apr
SYD09:30Sydney Kingsford Smith
33h 15m
2 stops
OPO09:45Porto
31 May
OPO09:00Porto
37h 00m
2 stops
SYD07:00Sydney Kingsford Smith
$2,075
United Airlines
30 Apr
SYD09:30Sydney Kingsford Smith
33h 15m
2 stops
OPO09:45Porto
31 May
OPO12:35Porto
33h 25m
2 stops
SYD07:00Sydney Kingsford Smith
$2,216

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Porto 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 11 March 2026.
Use the filters below to find and compare flights from Sydney to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 7/4

15:40-11:35

2 stops28h 55m

Porto

Tue 14/4

22:00-16:50

2 stops33h 50m

$1,393

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 7/4

15:40-18:35

2 stops35h 55m

Porto

Tue 14/4

22:00-16:50

2 stops33h 50m

$1,411

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 3/5

15:40-19:20

2 stops36h 40m

Porto

Thu 28/5

16:05-16:50

2 stops39h 45m

$1,481

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/4

20:50-06:50

2 stops43h 00m

Porto

Fri 1/5

16:05-06:10

2 stops29h 05m

$1,484

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 22/4

15:40-15:15

2 stops32h 35m

Porto

Wed 29/4

11:35-06:10

2 stops33h 35m

$1,493

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 3/5

15:40-19:20

2 stops36h 40m

Porto

Thu 28/5

20:10-16:50

2 stops35h 40m

$1,503

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 11/4

20:50-16:00

2 stops52h 10m

Porto

Fri 24/4

16:05-06:10

2 stops29h 05m

$1,514

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/4

20:50-06:50

2 stops43h 00m

Porto

Sat 2/5

11:35-16:50

2 stops44h 15m

$1,529

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/4

20:50-06:50

2 stops43h 00m

Porto

Mon 27/4

16:05-06:10

2 stops29h 05m

$1,538

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 3/5

15:40-19:20

2 stops36h 40m

Porto

Sun 31/5

16:05-16:50

2 stops39h 45m

$1,597

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 Porto from

How to get the cheapest flight ticket from Sydney to Porto

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 typical price of a round-trip flight between Sydney and Porto?

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

You are more likely to see cheaper flights to Porto from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $1,970 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Sydney for as low as $1,626 on momondo.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 26% on your flight if you consider stops on a Sydney to Porto flight.

How have Sydney to Porto flight prices changed over time?

As of March 2026, prices for Sydney to Porto flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Porto (SYD to OPO) flight deals and tips

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

Fastest flight time

34h 05m

Direct flights

None
The fastest flight from Sydney to Porto takes 34h 05m
There are no direct flights from Sydney to Porto. There are no popular flight routes from Sydney to Porto.
Search flight deals

  • How far is Sydney Kingsford Smith to Porto by plane?

    Porto is 18054.7 km away from Sydney Kingsford Smith. Flights usually cover this in 34h 05m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport 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.

  • What is the most popular airline from Sydney to Porto?

Best airlines flying from Sydney to Porto

Compare and see reviews for airlines that fly from Sydney to Porto with momondo
Airline
Rating
Free cancellation
Price
Etihad AirwaysPriceFrom $1,344Free cancellationRating
7.4
1,425 reviews
Search Etihad Airways flights
Japan AirlinesPriceFrom $1,502Free cancellationRating
8.3
1,730 reviews
Search Japan Airlines flights
Turkish AirlinesPriceFrom $1,627Free cancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,645Free cancellationRating
6.8
7,843 reviews
Search Lufthansa flights
British AirwaysPriceFrom $1,854Free cancellationRating
6.7
7,781 reviews
Search British Airways flights
United AirlinesPriceFrom $1,887Free cancellationRating
7.4
9,413 reviews
Search United Airlines flights
Air FrancePriceFrom $2,081Free cancellationRating
7.4
1,543 reviews
Search Air France flights
Qatar AirwaysPriceFrom $2,122Free cancellationRating
7.4
3,742 reviews
Search Qatar Airways flights
KLMPriceFrom $2,369Free cancellationRating
7.8
1,469 reviews
Search KLM flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Vila Nova de Gaia
Aveiro

Why use momondo?

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

Finding the right flight to Porto from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Sydney to Porto flights to just show those with flexible booking policies.

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

Once all potential Sydney to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Sydney to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

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