How long is the flight from Sydney to Porto?

Airlines like Etihad Airways fly from Sydney to Porto in about 29h. 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 $1,644 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,693 and $1,757 round-trip. You may be able to fly from Sydney to Porto for 28% 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.

$689+ 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 8 October 2026.

Thu 22/1021:35 -

2 stops34h 30m

Sat 7/1108:20 -

2 stops35h 10m

Deal found 5/10$1,667

Wed 4/1116:50 -

2 stops29h 00m

Sun 22/1107:35 -

2 stops35h 55m

Deal found 7/10$1,702

Fri 6/1121:30 -

2 stops44h 15m

Fri 13/1120:10 -

2 stops47h 20m

Deal found 7/10$1,715

Thu 19/1121:30 -

2 stops31h 00m

Thu 26/1105:00 -

2 stops25h 45m

Deal found 5/10$1,738

Mon 16/1121:30 -

2 stops44h 15m

Tue 8/1211:25 -

2 stops56h 05m

Deal found 5/10$1,743

Sun 22/1116:50 -

2 stops29h 00m

Sun 29/1107:35 -

2 stops35h 55m

Deal found 8/10$1,793

Fri 20/1121:30 -

2 stops52h 45m

Fri 27/1120:10 -

2 stops47h 20m

Deal found 6/10$1,807

Wed 18/1116:50 -

2 stops48h 55m

Sun 22/1107:35 -

2 stops35h 55m

Deal found 3/10$1,822

Mon 23/1121:30 -

2 stops52h 45m

Mon 30/1111:25 -

2 stops32h 05m

Deal found 3/10$1,836

Wed 18/1116:50 -

2 stops48h 55m

Sun 7/211:35 -

2 stops31h 55m

Deal found 5/10$1,840

Find flight deals from Sydney to Porto

Round-trip from	$1,605
One-way from	$689
Popular in	December
Cheapest in	February
Average price	$2,641

Etihad Airways
22/10-7/11
4 total stops
70h 40m total
Sydney to Porto

Search Deals

26/10-31/12
3 total stops
58h 20m total
Sydney to Porto

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($875 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($98 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Mon 26/10

15:10-14:30

3 stops58h 20m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$689

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 27/10

16:50-11:00

2 stops29h 10m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$871

Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 27/11

21:35-15:25

2 stops28h 50m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,134

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

21:35-15:25

2 stops28h 50m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,163

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

$1,357

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 4/1

09:20-09:40

3 stops35h 20m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,486

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 4/11

16:50-10:50

2 stops29h 00m

Porto

Sun 22/11

07:35-06:30

2 stops35h 55m

$1,702

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 22/10

21:35-22:05

2 stops34h 30m

Porto

Sat 7/11

12:00-06:30

3 stops31h 30m

$1,737

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 20/11

21:30-15:15

2 stops52h 45m

Porto

Fri 27/11

20:10-06:30

2 stops47h 20m

$1,817

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 23/11

21:30-15:15

2 stops52h 45m

Porto

Mon 30/11

11:25-06:30

2 stops32h 05m

$1,836

Flights are sorted by cheapest return flights first.

Deals found on 5/10

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.

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

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,580 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Air France

7.5

Good

1,650 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Turkish Airlines

7.4

Good

4,455 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Qatar Airways

7.3

Good

3,726 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Etihad Airways

7.3

Good

1,540 reviews

KLM

7.8

Good

1,580 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

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 29h. 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 $1,644 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,693 and $1,757 round-trip. You may be able to fly from Sydney to Porto for 28% 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

Airlines

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Complete your trip

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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 5 airlines flying from Sydney to Porto

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,644	Average$1,897	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Qatar Airways	Cheapest$1,693	Average$2,372	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Turkish Airlines	Cheapest$1,757	Average$1,944	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Air France	Cheapest$1,983	Average$2,504	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest$2,269	Average$2,896	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 $689

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. 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 8 October 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 8 October 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 8 October 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 8 October 2026.

Last-minute flights from Sydney to PortoDiscover last-minute flight deals from Sydney to Porto. Data last updated 8 October 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Porto. Data last updated 8 October 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 8 October 2026.

Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 8 October 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 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 8 October 2026.

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 8 October 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 8 October 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 8 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 5 airlines flying from Sydney to Porto

Fly with Cheapflights

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 8 October 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 8 October 2026.

Last-minute flights from Sydney to Porto
Discover last-minute flight deals from Sydney to Porto. Data last updated 8 October 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 8 October 2026.