How long is the flight from Sydney to Porto?

Airlines like Etihad Airways and British Airways fly from Sydney to Porto in about 36h 40m. The time it takes to get you to your destination can typically vary by up to 6h 30m. Sydney and Porto are separated by a distance of 18057 km. Both multi-stop and direct flights can be found to your destination and back. 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 $1,350 on this airline. Additional options worth looking into are Japan Airlines and Turkish Airlines, starting at $1,508 and $1,603 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 $881. 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.

$656+ Flights from Sydney to Porto

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

Airfare is typical for this route at the moment. Sydney to Porto flights typically cost between $1,450 and $1,525 in April. The cheapest return flight price found within the last 3 days was $1,481 on Etihad Airways (25 Apr-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 16 February 2026.

Sat 25/421:30

SYD

OPO

2 stops42h 20m

Etihad Airways

Fri 15/516:05

OPO

SYD

2 stops29h 05m

Etihad Airways

Deal found 13/2$1,481

Mon 20/415:40

SYD

OPO

2 stops36h 40m

Etihad Airways

Tue 2/616:05

OPO

SYD

2 stops39h 45m

Etihad Airways

Deal found 14/2$1,489

Thu 12/321:45

SYD

OPO

2 stops44h 05m

Etihad Airways

Thu 19/320:00

OPO

SYD

2 stops34h 55m

Etihad Airways

Deal found 12/2$1,532

Mon 9/316:35

SYD

OPO

2 stops29h 15m

Etihad Airways

Tue 24/307:35

OPO

SYD

2 stops47h 20m

Etihad Airways

Deal found 15/2$1,533

Thu 12/320:40

SYD

OPO

2 stops57h 40m

Multiple Airlines

Thu 19/311:35

OPO

SYD

2 stops40h 55m

Multiple Airlines

Deal found 12/2$1,543

Tue 19/510:10

SYD

OPO

2 stops42h 20m

British Airways

Tue 9/620:40

OPO

SYD

2 stops48h 25m

British Airways

Deal found 15/2$1,564

Sat 23/521:55

SYD

OPO

2 stops55h 25m

British Airways

Tue 9/620:40

OPO

SYD

2 stops48h 25m

British Airways

Deal found 15/2$1,566

Mon 25/515:40

SYD

OPO

2 stops32h 35m

Etihad Airways

Tue 9/616:05

OPO

SYD

2 stops39h 45m

Etihad Airways

Deal found 15/2$1,581

Sun 7/615:40

SYD

OPO

2 stops28h 15m

Etihad Airways

Mon 8/616:05

OPO

SYD

2 stops29h 05m

Etihad Airways

Deal found 15/2$1,595

Mon 16/321:45

SYD

OPO

2 stops52h 30m

Etihad Airways

Thu 19/311:35

OPO

SYD

2 stops43h 20m

Etihad Airways

Deal found 11/2$1,615

Find flight deals from Sydney to Porto

Round-trip from	$1,481
One-way from	$656
Popular in	December
Cheapest in	February
Average price	$1,484

Etihad Airways
25/4-15/5
4 total stops
71h 25m total
Sydney to Porto

Search Deals

7/5
3 total stops
59h 50m total
Sydney to Porto

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($362 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($127 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 20/4

15:40-19:20

2 stops36h 40m

Porto

Tue 2/6

16:05-16:50

2 stops39h 45m

$1,489

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

21:45-06:50

2 stops44h 05m

Porto

Thu 19/3

20:00-17:55

2 stops34h 55m

$1,532

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

20:40-19:20

2 stops57h 40m

Porto

Thu 19/3

11:35-15:30

2 stops40h 55m

$1,543

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 11/6

10:10-20:20

2 stops43h 10m

Porto

Sat 13/6

20:00-06:05

2 stops49h 05m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 10/6

10:10-19:05

2 stops41h 55m

Porto

Sat 13/6

20:00-06:05

2 stops49h 05m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 24/5

10:10-20:20

2 stops43h 10m

Porto

Wed 10/6

20:20-06:05

2 stops48h 45m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 8/6

10:10-19:50

2 stops42h 40m

Porto

Sat 13/6

20:00-06:05

2 stops49h 05m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 7/6

10:10-20:20

2 stops43h 10m

Porto

Thu 11/6

19:55-06:05

2 stops49h 10m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 8/6

10:10-19:50

2 stops42h 40m

Porto

Fri 12/6

21:10-06:05

2 stops47h 55m

$1,564

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 19/5

10:10-19:30

2 stops42h 20m

Porto

Fri 12/6

21:10-06:05

2 stops47h 55m

$1,564

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 21 results

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, andEtihad Airways 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

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

KLM

7.7

Good

1,455 reviews

KLM

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Qatar Airways

7.4

Good

3,741 reviews

KLM

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Etihad Airways

7.3

Good

1,396 reviews

KLM

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Turkish Airlines

7.3

Good

4,219 reviews

KLM

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Lufthansa

6.8

Okay

7,786 reviews

KLM

7.7

Good

1,455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

How long is the flight from Sydney to Porto?
Airlines like Etihad Airways and British Airways fly from Sydney to Porto in about 36h 40m. The time it takes to get you to your destination can typically vary by up to 6h 30m. Sydney and Porto are separated by a distance of 18057 km. Both multi-stop and direct flights can be found to your destination and back.
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 $1,350 on this airline. Additional options worth looking into are Japan Airlines and Turkish Airlines, starting at $1,508 and $1,603 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 $881. 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

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

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 9 airlines flying from Sydney to Porto

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,350	Average$1,854	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Japan Airlines	Cheapest$1,508	Average$1,797	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Turkish Airlines	Cheapest$1,603	Average$1,881	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Lufthansa	Cheapest$1,652	Average$2,046	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest$1,845	Average$2,417	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest$1,862	Average$1,898	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest$2,090	Average$2,618	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Qatar Airways	Cheapest$2,135	Average$2,396	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
KLM	Cheapest$2,294	Average$2,850	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 $656

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 7/5. 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 16 February 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 16 February 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 16 February 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 16 February 2026.

Last-minute flights from Sydney to PortoDiscover last-minute flight deals from Sydney to Porto. Data last updated 16 February 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Porto. Data last updated 16 February 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 16 February 2026.

Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 16 February 2026.

Find flight deals from Sydney to Porto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 a feel of what it's like to fly with KLM, Qatar Airways, andEtihad Airways 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?

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 16 February 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 16 February 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 16 February 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 9 airlines flying from Sydney to Porto

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 16 February 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 16 February 2026.

Last-minute flights from Sydney to Porto
Discover last-minute flight deals from Sydney to Porto. Data last updated 16 February 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 16 February 2026.