What is the cheapest airline that flies from Sydney Kingsford Smith to Porto?

Etihad Airways is the most popular carrier operating from Sydney Kingsford Smith to Porto

Which airlines fly to Porto?

Etihad Airways, Turkish Airlines and KLM are the top three most popular airlines that fly to Porto from Sydney according to our data. Etihad Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Porto. Keep in mind that there are 8 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Sydney Kingsford Smith Airport to Porto Airport is 8 as of June 2026.

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.

$796 Cheap Flights from Sydney to Porto in 2026

Q: What is the typical price of a round-trip flight between Sydney and Porto?

Prices are currently low for flights on this route. Typical prices usually range from $1,858 to $2,467. The lowest price recently found on this route was $1,526.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Porto

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:40 - 19:20

SYD

OPO

32h 40m

2 stops

07:35 - 14:50

OPO

SYD

46h 15m

2 stops

$1,526Multiple Airlines

Tue, 14 Jul - Sun, 13 Sep

19:40 - 08:10

SYD

OPO

45h 30m

3 stops

05:05 - 14:50

OPO

SYD

48h 45m

3 stops

$1,605Multiple Airlines

Tue, 14 Jul - Sun, 13 Sep

19:40 - 08:10

SYD

OPO

45h 30m

3 stops

05:05 - 14:50

OPO

SYD

48h 45m

3 stops

$1,687Multiple Airlines

Tue, 14 Jul - Sun, 13 Sep

21:30 - 19:20

SYD

OPO

56h 50m

2 stops

16:05 - 06:35

OPO

SYD

27h 30m

2 stops

$1,735Etihad Airways

Thu, 12 Nov - Mon, 16 Nov

21:30 - 19:20

SYD

OPO

56h 50m

2 stops

16:05 - 06:35

OPO

SYD

27h 30m

2 stops

$1,737Etihad Airways

Thu, 12 Nov - Mon, 16 Nov

20:50 - 19:20

SYD

OPO

55h 30m

2 stops

11:35 - 06:10

OPO

SYD

33h 35m

2 stops

$1,786Etihad Airways

Tue, 14 Jul - Sun, 13 Sep

20:50 - 10:50

SYD

OPO

47h 00m

2 stops

20:10 - 06:10

OPO

SYD

49h 00m

2 stops

$1,836Etihad Airways

Sat, 25 Jul - Thu, 27 Aug

20:50 - 10:50

SYD

OPO

47h 00m

2 stops

20:10 - 06:10

OPO

SYD

49h 00m

2 stops

$1,839Etihad Airways

Sat, 25 Jul - Thu, 27 Aug

15:40 - 19:20

SYD

OPO

36h 40m

2 stops

11:35 - 06:10

OPO

SYD

33h 35m

2 stops

$1,848Etihad Airways

Sun, 12 Jul - Sun, 13 Sep

15:40 - 06:50

SYD

OPO

48h 10m

2 stops

11:35 - 06:10

OPO

SYD

33h 35m

2 stops

$1,858Etihad Airways

Fri, 24 Jul - Fri, 11 Sep

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Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets

Etihad Airways

12 Nov

SYD21:30Sydney Kingsford Smith

56h 50m

2 stops

OPO19:20Porto

16 Nov

OPO16:05Porto

27h 30m

2 stops

SYD06:35Sydney Kingsford Smith

$1,735

Etihad Airways

14 July

SYD20:50Sydney Kingsford Smith

55h 30m

2 stops

OPO19:20Porto

13 Sept

OPO11:35Porto

33h 35m

2 stops

SYD06:10Sydney Kingsford Smith

$1,786

Etihad Airways

25 July

SYD20:50Sydney Kingsford Smith

47h 00m

2 stops

OPO10:50Porto

27 Aug

OPO20:10Porto

49h 00m

2 stops

SYD06:10Sydney Kingsford Smith

$1,836

KLM flights from Sydney to Porto

Our best KLM deals on Sydney to Porto flight tickets

KLM

1 July

SYD07:55Sydney Kingsford Smith

47h 05m

2 stops

OPO22:00Porto

11 Aug

OPO05:00Porto

40h 25m

2 stops

SYD06:25Sydney Kingsford Smith

$2,489

KLM

30 June

SYD14:45Sydney Kingsford Smith

33h 40m

2 stops

OPO15:25Porto

10 Aug

OPO16:20Porto

29h 25m

2 stops

SYD06:45Sydney Kingsford Smith

$2,675

KLM

1 July

SYD07:55Sydney Kingsford Smith

40h 35m

2 stops

OPO15:30Porto

11 Aug

OPO16:20Porto

29h 10m

3 stops

SYD06:30Sydney Kingsford Smith

$3,718

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

19:40-19:20

2 stops32h 40m

Porto

Sun 13/9

07:35-14:50

2 stops46h 15m

$1,526

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

19:40-08:10

3 stops45h 30m

Porto

Sun 13/9

05:05-14:50

3 stops48h 45m

$1,605

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

19:40-08:10

3 stops45h 30m

Porto

Sun 13/9

05:05-14:50

3 stops48h 45m

$1,687

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/11

21:30-19:20

2 stops56h 50m

Porto

Mon 16/11

16:05-06:35

2 stops27h 30m

$1,735

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/11

21:30-19:20

2 stops56h 50m

Porto

Mon 16/11

16:05-06:35

2 stops27h 30m

$1,737

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

20:50-19:20

2 stops55h 30m

Porto

Sun 13/9

11:35-06:10

2 stops33h 35m

$1,786

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

20:50-10:50

2 stops47h 00m

Porto

Thu 27/8

20:10-06:10

2 stops49h 00m

$1,836

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

20:50-10:50

2 stops47h 00m

Porto

Thu 27/8

20:10-06:10

2 stops49h 00m

$1,839

Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 12/7

15:40-19:20

2 stops36h 40m

Porto

Sun 13/9

11:35-06:10

2 stops33h 35m

$1,848

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

15:40-06:50

2 stops48h 10m

Porto

Fri 11/9

11:35-06:10

2 stops33h 35m

$1,858

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

What is the cheapest month to fly to Porto?

In general, November is the cheapest month to fly from Sydney to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Porto during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,496.

How far in advance should I book a flight from Sydney 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 $1,989 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 $1,511 on momondo.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 10% 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 June 2026, prices for Sydney to Porto flights are approximately 31% 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	32h 40m
Direct flights	None

The fastest flight from Sydney to Porto takes 32h 40m

There are no direct flights from Sydney to Porto. There are no popular flight routes from Sydney to Porto.

Search flight deals

Frequently asked questions about flying from Sydney to Porto

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 32h 40m, 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?
The number of operators available for flights from Sydney Kingsford Smith Airport to Porto Airport is 8 as of June 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Porto is Etihad Airways (34% of total bookings). The next most popular airlines are Turkish Airlines (27%), KLM (14%), and Qatar Airways (11%).

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
Japan Airlines	PriceFrom $1,203	Free cancellation	Rating 8.3 1,841 reviews	Search Japan Airlines flights
Etihad Airways	PriceFrom $1,366	Free cancellation	Rating 7.3 1,454 reviews	Search Etihad Airways flights
Lufthansa	PriceFrom $1,666	Free cancellation	Rating 6.8 8,086 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $1,695	Free cancellation	Rating 7.4 4,409 reviews	Search Turkish Airlines flights
Qatar Airways	PriceFrom $1,882	Free cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $1,911	Free cancellation	Rating 7.4 9,866 reviews	Search United Airlines flights
KLM	PriceFrom $2,292	Free cancellation	Rating 7.8 1,530 reviews	Search KLM flights
Air France	PriceFrom $2,346	Free cancellation	Rating 7.4 1,612 reviews	Search Air France flights

Coimbra

Braga

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

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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Cheap flights from Sydney to Porto from $796

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 14/7. 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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Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets

KLM flights from Sydney to Porto

Our best KLM deals on Sydney to Porto flight tickets

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See travel insights to Porto from

How to get the cheapest flight ticket from Sydney to Porto

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

What is the cheapest month to fly to Porto?

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

Can stopping save me money on Sydney to Porto flights?

How have Sydney to Porto flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Porto?

Which airlines fly to Porto?

When to book flights from Sydney to Porto

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

Direct flights

Frequently asked questions about flying 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

Travelling to a place near Porto?

Why use momondo?

An easier way to manage your Porto 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favourite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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