How long is the flight from Sydney to Porto?

Airlines like Etihad Airways fly from Sydney to Porto in about 42h 15m. The time it takes to get you to your destination can typically vary by up to . Sydney and Porto are separated by a distance of 18057 km. Find deals

What are the cheapest airlines flying from Sydney to Porto round-trip?

Our cheapest airline available from Sydney to Porto is Etihad Airways. Our recent data shows that you can find tickets from as low as $1,380 on this airline. Additional options worth looking into are Japan Airlines and Turkish Airlines, starting at $1,542 and $1,670 round-trip. You may be able to fly from Sydney to Porto for 31% less than the average price by searching for these airlines. Find deals

What are the cheapest airlines to fly from Sydney to Porto one-way?

The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $893. However, be on the lookout for offers from Turkish Airlines and Lufthansa, as they are both options that can get you from Sydney to Porto for a low price. Find deals

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

What are the most popular airlines that fly from Sydney to Porto?

Before booking your flight from Sydney to Porto, check out the most popular airlines for this route: Turkish Airlines, Etihad Airways or Qatar Airways.

What is the cheapest time of day to fly from SYD to OPO?

When flying from Sydney to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sydney to Porto that include hotel bookings?

Yes. In addition to deals on Sydney to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Porto.

Can I find deals for business class flights from Sydney to Porto?

Yes. Cheapflights offers flight deals from Sydney to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$818+ Cheap Flights from Sydney to Porto

Q: How much does it cost for a return flight from Sydney to Porto?

Airfare is below average for this route at the moment. Sydney to Porto flights typically cost between $2,579 and $1,799 in May. The cheapest return flight price found within the last 3 days was $1,182 on Etihad Airways (8 May-15 May). Find deals

Cheap flight deals from Sydney to Porto

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to Porto
Explore the most affordable flight options available from Sydney to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Fri 8/520:50

SYD

OPO

2 stops43h 00m

Etihad Airways

Fri 15/516:05

OPO

SYD

2 stops29h 05m

Etihad Airways

Deal found 23/3$1,182

Wed 6/515:40

SYD

OPO

2 stops36h 40m

Etihad Airways

Wed 13/511:35

OPO

SYD

2 stops33h 35m

Etihad Airways

Deal found 21/3$1,192

Thu 7/520:50

SYD

OPO

2 stops43h 00m

Etihad Airways

Thu 14/511:35

OPO

SYD

2 stops44h 15m

Etihad Airways

Deal found 22/3$1,195

Fri 24/721:30

SYD

OPO

2 stops42h 20m

Etihad Airways

Thu 27/816:05

OPO

SYD

2 stops39h 45m

Etihad Airways

Deal found 23/3$1,214

Tue 14/421:35

SYD

OPO

2 stops42h 15m

Etihad Airways

Tue 21/416:05

OPO

SYD

2 stops39h 45m

Etihad Airways

Deal found 23/3$1,303

Wed 8/415:40

SYD

OPO

2 stops48h 10m

Etihad Airways

Sat 11/416:05

OPO

SYD

2 stops29h 05m

Etihad Airways

Deal found 23/3$1,310

Fri 24/721:30

SYD

OPO

2 stops42h 20m

Etihad Airways

Fri 11/920:10

OPO

SYD

2 stops49h 00m

Etihad Airways

Deal found 24/3$1,319

Fri 8/515:40

SYD

OPO

2 stops35h 05m

Multiple Airlines

Fri 15/513:25

OPO

SYD

2 stops31h 45m

Multiple Airlines

Deal found 25/3$1,323

Sat 11/421:35

SYD

OPO

2 stops54h 45m

Multiple Airlines

Sat 18/416:50

OPO

SYD

2 stops28h 20m

Multiple Airlines

Deal found 24/3$1,331

Sun 10/515:40

SYD

OPO

2 stops36h 40m

Etihad Airways

Sat 16/516:05

OPO

SYD

2 stops29h 05m

Etihad Airways

Deal found 24/3$1,375

Tue 2/619:40

SYD

OPO

2 stops32h 40m

Multiple Airlines

Tue 16/607:35

OPO

SYD

2 stops46h 15m

Multiple Airlines

Deal found 23/3$1,390

Find flight deals from Sydney to Porto

Round-trip from	$1,182
One-way from	$818
Popular in	December
Cheapest in	February
Average price	$1,719

Etihad Airways
8/5-15/5
4 total stops
72h 05m total
Sydney to Porto

Search Deals

Etihad Airways
25/5
2 total stops
36h 40m total
Sydney to Porto

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($346 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($130 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/4

21:35-06:50

2 stops42h 15m

Porto

Tue 21/4

16:05-16:50

2 stops39h 45m

$1,303

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 10/5

15:40-06:50

2 stops48h 10m

Porto

Wed 13/5

16:05-16:50

2 stops39h 45m

$1,303

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 8/4

15:40-06:50

2 stops48h 10m

Porto

Sat 11/4

16:05-06:10

2 stops29h 05m

$1,310

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 11/4

21:35-19:20

2 stops54h 45m

Porto

Sat 18/4

16:50-06:10

2 stops28h 20m

$1,331

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

15:40-06:50

2 stops48h 10m

Porto

Thu 27/8

16:05-16:50

2 stops39h 45m

$1,793

Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 7/5

21:05-15:45

2 stops27h 40m

Porto

Thu 14/5

06:10-06:05

3 stops38h 55m

$1,838

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

07:05-15:40

3 stops65h 35m

Porto

Thu 27/8

06:10-06:05

3 stops38h 55m

$1,896

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 1/6

07:05-15:50

3 stops41h 45m

Porto

Mon 15/6

06:30-20:30

2 stops29h 00m

$2,013

Cheapest one-way

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 16/5

20:50-15:15

2 stops51h 25m

$881

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 12/4

15:40-06:50

2 stops48h 10m

$883

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Sydney to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Sydney with our price prediction graph.

SYD-OPO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Porto

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

The price you pay for your flight from Sydney to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How much does it cost for a return flight from Sydney to Porto?

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Qatar Airways, andTurkish Airlines from Sydney to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

KLM

7.8

Good

1,478 reviews

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Qatar Airways

7.4

Good

3,732 reviews

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Turkish Airlines

7.4

Good

4,281 reviews

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Etihad Airways

7.3

Good

1,430 reviews

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Lufthansa

6.8

Okay

7,870 reviews

KLM

7.8

Good

1,478 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

How long is the flight from Sydney to Porto?
Airlines like Etihad Airways fly from Sydney to Porto in about 42h 15m. The time it takes to get you to your destination can typically vary by up to . Sydney and Porto are separated by a distance of 18057 km.
What are the cheapest airlines flying from Sydney to Porto round-trip?
Our cheapest airline available from Sydney to Porto is Etihad Airways. Our recent data shows that you can find tickets from as low as $1,380 on this airline. Additional options worth looking into are Japan Airlines and Turkish Airlines, starting at $1,542 and $1,670 round-trip. You may be able to fly from Sydney to Porto for 31% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Sydney to Porto one-way?
The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $893. However, be on the lookout for offers from Turkish Airlines and Lufthansa, as they are both options that can get you from Sydney to Porto for a low price.
Can I find deals for flights from Sydney to Porto that include hotel bookings?
Yes. In addition to deals on Sydney to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Porto.
Can I find deals for business class flights from Sydney to Porto?
Yes. Cheapflights offers flight deals from Sydney to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Viseu

Browse thousands of different options on Cheapflights for your next trip

Airlines

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Complete your trip

Flights by cabin class

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Other flights from Sydney

Popular flights

Fly from Sydney to Porto on these airlines

KLM flights from Sydney Kingsford Smith to Porto

Air France flights from Sydney Kingsford Smith to Porto

Top 8 airlines flying from Sydney to Porto

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,380	Average$1,896	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Japan Airlines	Cheapest$1,542	Average$1,837	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Turkish Airlines	Cheapest$1,670	Average$1,933	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Lufthansa	Cheapest$1,689	Average$2,191	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest$1,968	Average$2,512	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air France	Cheapest$2,137	Average$2,677	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Qatar Airways	Cheapest$2,179	Average$2,450	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
KLM	Cheapest$2,433	Average$2,914	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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How does Cheapflights help users find flights from Sydney to Porto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Porto?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Porto for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Porto with no change fees?

Certainly. Search results for flights to Porto from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Porto become cheaper?

Yes! Start tracking prices for Sydney to Porto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Sydney to Porto from $818

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Porto

Cheapest flights from Sydney to PortoExplore the most affordable flight options available from Sydney to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Explore the most affordable flight options available from Sydney to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Best flights from Sydney to PortoDiscover carefully curated flight deals from Sydney to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Discover carefully curated flight deals from Sydney to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Last-minute flights from Sydney to PortoDiscover last-minute flight deals from Sydney to Porto. Data last updated 26 March 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Porto. Data last updated 26 March 2026 and is based on user searches.

One-way flights from Sydney to PortoSearch for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.

Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.

Find flight deals from Sydney to Porto

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One-way from

Popular in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to Porto that are best for you.

Best time to book a flight from Sydney to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Sydney with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Porto

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

How much does it cost for a return flight from Sydney to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 26 March 2026.

Get a feel of what it's like to fly with KLM,Qatar Airways, andTurkish Airlines from Sydney to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Sydney to Porto?

What are the cheapest airlines flying from Sydney to Porto round-trip?

What are the cheapest airlines to fly from Sydney to Porto one-way?

Can I find deals for flights from Sydney to Porto that include hotel bookings?

How can I find direct flights from Sydney to Porto?

Can I find deals for business class flights from Sydney to Porto?

Travelling to a place near Porto?

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Fly from Sydney to Porto on these airlines

Choose from the following airlines for your flight from Sydney to Porto. Flights are based on user searches made on Cheapflights and were last updated on 26 March 2026.

Alternative routes for Sydney to Porto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Porto by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Sydney to Porto by cabin class

Find flights from Sydney to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and Porto flights

Browse other Sydney and Porto flight options. Last updated on 26 March 2026.

Other flights from Sydney

Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on 26 March 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 8 airlines flying from Sydney to Porto

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How does Cheapflights help users find flights from Sydney to Porto?

Why should you use Cheapflights to find cheap flight tickets from Sydney to Porto?

Can Cheapflights find flights from Sydney to Porto with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to Porto become cheaper?

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Cheapest flights from Sydney to Porto
Explore the most affordable flight options available from Sydney to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2026.

Best flights from Sydney to Porto
Discover carefully curated flight deals from Sydney to Porto that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 March 2026.

Last-minute flights from Sydney to Porto
Discover last-minute flight deals from Sydney to Porto. Data last updated 26 March 2026 and is based on user searches.

One-way flights from Sydney to Porto
Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 26 March 2026.