How long is the flight from Sydney to Porto?

Airlines like Etihad Airways and Turkish Airlines fly from Sydney to Porto in about 31h. The time it takes to get you to your destination can typically vary by up to 17h 10m. 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 Japan Airlines. Our recent data shows that you can find tickets from as low as $1,184 on this airline. Additional options worth looking into are Etihad Airways and Turkish Airlines, starting at $1,344 and $1,635 round-trip. You may be able to fly from Sydney to Porto for 38% less than the average price by searching for these airlines. 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: Etihad Airways, Turkish Airlines 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.

$835+ 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 $2,459 and $1,896 in June. The cheapest return flight price found within the last 3 days was $1,717 on Turkish Airlines (18 June-22 June). 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 21 May 2026.

Thu 18/611:40

SYD

OPO

2 stops37h 05m

Turkish Airlines

Mon 22/610:40

OPO

SYD

2 stops38h 00m

Turkish Airlines

Deal found 17/5$1,717

Sun 1/1111:45

SYD

OPO

2 stops38h 25m

Turkish Airlines

Sun 8/1116:10

OPO

SYD

2 stops31h 35m

Turkish Airlines

Deal found 19/5$1,720

Fri 31/719:40

SYD

OPO

2 stops34h 40m

Multiple Airlines

Thu 10/913:45

OPO

SYD

2 stops40h 05m

Multiple Airlines

Deal found 16/5$1,741

Mon 7/914:45

SYD

OPO

2 stops27h 55m

Multiple Airlines

Mon 21/916:50

OPO

SYD

2 stops31h 50m

Multiple Airlines

Deal found 19/5$1,752

Tue 9/614:45

SYD

OPO

2 stops28h 00m

Multiple Airlines

Tue 23/610:40

OPO

SYD

2 stops35h 05m

Multiple Airlines

Deal found 16/5$1,785

Thu 4/611:40

SYD

OPO

2 stops31h 00m

Multiple Airlines

Wed 17/616:40

OPO

SYD

2 stops28h 45m

Multiple Airlines

Deal found 18/5$1,787

Wed 15/711:40

SYD

OPO

2 stops37h 00m

Turkish Airlines

Tue 29/910:40

OPO

SYD

2 stops38h 00m

Turkish Airlines

Deal found 16/5$1,822

Wed 15/711:40

SYD

OPO

2 stops37h 00m

Turkish Airlines

Tue 20/1010:40

OPO

SYD

2 stops38h 00m

Turkish Airlines

Deal found 19/5$1,833

Thu 23/710:20

SYD

OPO

2 stops38h 25m

Multiple Airlines

Thu 27/806:10

OPO

SYD

2 stops38h 00m

Multiple Airlines

Deal found 18/5$1,834

Sat 18/721:30

SYD

OPO

2 stops42h 20m

Etihad Airways

Sun 18/1016:05

OPO

SYD

2 stops28h 30m

Etihad Airways

Deal found 20/5$1,855

Find flight deals from Sydney to Porto

Round-trip from	$1,717
One-way from	$835
Popular in	December
Cheapest in	January
Average price	$1,879

Turkish Airlines
18/6-22/6
4 total stops
75h 05m total
Sydney to Porto

Search Deals

15/6
3 total stops
43h 00m total
Sydney to Porto

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($302 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($128 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 23/7

10:20-15:45

2 stops38h 25m

Porto

Thu 27/8

06:10-05:10

2 stops38h 00m

$1,834

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 19/7

15:40-06:50

2 stops48h 10m

Porto

Sun 18/10

16:05-06:35

2 stops28h 30m

$1,962

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 18/7

21:30-06:50

2 stops42h 20m

Porto

Sun 23/8

07:05-06:10

2 stops38h 05m

$2,003

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

09:50-15:40

2 stops38h 50m

Porto

Thu 27/8

06:10-05:10

2 stops38h 00m

$2,003

Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

11:40-09:40

2 stops31h 00m

Porto

Mon 24/8

06:30-20:30

2 stops29h 00m

$2,036

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

11:40-09:40

2 stops31h 00m

Porto

Mon 24/8

10:40-06:25

2 stops34h 45m

$2,045

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 30/6

11:00-10:50

2 stops32h 50m

Porto

Thu 30/7

09:55-12:35

2 stops41h 40m

$2,160

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 31/5

09:30-09:45

2 stops33h 15m

Porto

Sun 5/7

12:35-07:00

2 stops57h 25m

$2,223

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/11

21:30-06:50

2 stops44h 20m

Porto

Thu 19/11

20:10-17:55

2 stops34h 45m

$2,244

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 31/7

10:00-09:45

2 stops32h 45m

Porto

Sat 12/9

16:40-19:35

2 stops41h 55m

$2,262

Flights are sorted by cheapest return flights first.

Deals found on 19/5

Showing 1-10 of 22 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 27 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

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

KLM

7.8

Good

1,518 reviews

KLM

7.8

Good

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Qatar Airways

7.4

Good

3,729 reviews

KLM

7.8

Good

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Turkish Airlines

7.4

Good

4,384 reviews

KLM

7.8

Good

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Etihad Airways

7.3

Good

1,441 reviews

KLM

7.8

Good

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Lufthansa

6.8

Okay

8,018 reviews

KLM

7.8

Good

1,518 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

How long is the flight from Sydney to Porto?
Airlines like Etihad Airways and Turkish Airlines fly from Sydney to Porto in about 31h. The time it takes to get you to your destination can typically vary by up to 17h 10m. 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 Japan Airlines. Our recent data shows that you can find tickets from as low as $1,184 on this airline. Additional options worth looking into are Etihad Airways and Turkish Airlines, starting at $1,344 and $1,635 round-trip. You may be able to fly from Sydney to Porto for 38% 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

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 8 airlines flying from Sydney to Porto

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest$1,184	Average$1,600	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Etihad Airways	Cheapest$1,344	Average$1,797	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Turkish Airlines	Cheapest$1,635	Average$1,903	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Lufthansa	Cheapest$1,639	Average$2,030	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
United Airlines	Cheapest$1,880	Average$2,292	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Qatar Airways	Cheapest$2,113	Average$2,347	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Air France	Cheapest$2,308	Average$2,597	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest$2,360	Average$2,827	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 $835

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 15/6. 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 21 May 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 21 May 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 21 May 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 21 May 2026.

Last-minute flights from Sydney to PortoDiscover last-minute flight deals from Sydney to Porto. Data last updated 21 May 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Porto. Data last updated 21 May 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 21 May 2026.

Search for one-way flight options from Sydney to Porto. Find affordable one-way fares based on user searches. Data last updated 21 May 2026.

Find flight deals from Sydney to Porto

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One-way from

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Cheapest 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 21 May 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?

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 21 May 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 21 May 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 21 May 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 21 May 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 21 May 2026.

Last-minute flights from Sydney to Porto
Discover last-minute flight deals from Sydney to Porto. Data last updated 21 May 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 21 May 2026.