How long is the flight from Sydney to Porto?

Airlines like Etihad Airways fly from Sydney to Porto in about 56h 50m. 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 $1,631 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,680 and $1,695 round-trip. You may be able to fly from Sydney to Porto for 26% less than the average price by searching for these airlines.

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 KLM.

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.

$732+ Cheap Flights from Sydney to Porto

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 29 September 2026.

Mon 9/1121:30 -

2 stops44h 15m

Mon 16/1107:35 -

2 stops35h 55m

Deal found 25/9$1,668

Tue 10/1121:30 -

2 stops56h 50m

Tue 17/1120:10 -

2 stops47h 20m

Deal found 26/9$1,682

Wed 4/1116:50 -

2 stops29h 00m

Sun 8/1107:35 -

2 stops35h 55m

Deal found 27/9$1,688

Sun 8/1116:50 -

2 stops37h 30m

Sun 15/1107:35 -

2 stops35h 55m

Deal found 24/9$1,696

Thu 22/1021:35 -

2 stops43h 15m

Sat 7/1116:05 -

2 stops27h 25m

Deal found 28/9$1,701

Wed 11/1116:50 -

2 stops37h 30m

Wed 18/1111:35 -

2 stops31h 55m

Deal found 27/9$1,719

Sun 8/1121:30 -

2 stops37h 25m

Sun 15/1107:00 -

3 stops43h 35m

Deal found 24/9$1,769

Wed 18/1116:50 -

2 stops33h 25m

Sun 22/1107:35 -

2 stops35h 55m

Deal found 24/9$1,798

Wed 11/1116:50 -

2 stops37h 30m

Sun 15/1107:35 -

2 stops35h 55m

Deal found 23/9$1,808

Find flight deals from Sydney to Porto

Round-trip from	$1,668
One-way from	$732
Popular in	December
Cheapest in	February
Average price	$2,540

Etihad Airways
9/11-16/11
4 total stops
80h 10m total
Sydney to Porto

Search Deals

25/10-31/12
3 total stops
56h 45m total
Sydney to Porto

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($39 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($97 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 25/10

21:25-19:10

3 stops56h 45m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$732

Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

21:35-23:55

3 stops37h 20m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,169

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 10/11

21:30-19:20

2 stops56h 50m

Porto

Tue 17/11

20:10-06:30

2 stops47h 20m

$1,682

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 8/11

16:50-19:20

2 stops37h 30m

Porto

Sun 15/11

07:35-06:30

2 stops35h 55m

$1,696

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 8/11

21:30-23:55

2 stops37h 25m

Porto

Sun 15/11

07:00-13:35

3 stops43h 35m

$1,769

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

16:50-15:15

2 stops33h 25m

Porto

Sun 22/11

07:35-06:30

2 stops35h 55m

$1,798

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 24/10

21:35-11:45

2 stops48h 10m

Porto

Sat 31/10

16:05-06:30

2 stops27h 25m

$2,081

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 22/10

22:05-19:20

2 stops31h 15m

Porto

Sat 7/11

16:05-13:35

3 stops34h 30m

$2,095

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 10/11

22:10-00:30

3 stops37h 20m

Porto

Tue 17/11

05:00-06:50

3 stops38h 50m

$2,174

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 9/11

11:50-10:30

2 stops33h 40m

Porto

Mon 16/11

16:10-07:25

3 stops28h 15m

$2,232

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Sorted 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.

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Air France, 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

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

KLM

7.8

Good

1,577 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Air France

7.5

Good

1,650 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Turkish Airlines

7.4

Good

4,452 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Qatar Airways

7.3

Good

3,729 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Etihad Airways

7.3

Good

1,540 reviews

KLM

7.8

Good

1,577 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

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 56h 50m. 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 $1,631 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,680 and $1,695 round-trip. You may be able to fly from Sydney to Porto for 26% less than the average price by searching for these airlines.
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

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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 6 airlines flying from Sydney to Porto

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,631	Average$1,883	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Qatar Airways	Cheapest$1,680	Average$2,354	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Turkish Airlines	Cheapest$1,695	Average$1,927	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Lufthansa	Cheapest$1,940	Average$2,552	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	Cheapest$1,968	Average$2,484	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest$2,251	Average$2,873	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 $732

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. 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 29 September 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 29 September 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 29 September 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 29 September 2026.

Last-minute flights from Sydney to PortoDiscover last-minute flight deals from Sydney to Porto. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Porto. Data last updated 29 September 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 29 September 2026.

Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Find flight deals from Sydney to Porto

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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.

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Air France, 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

How long is the flight from Sydney to Porto?

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

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?

Browse thousands of different options on Cheapflights for your next trip

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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 29 September 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 29 September 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 29 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 6 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 29 September 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 29 September 2026.

Last-minute flights from Sydney to Porto
Discover last-minute flight deals from Sydney to Porto. Data last updated 29 September 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 29 September 2026.