How long is the flight from Porto to Sydney?

For as low as £1,118, Turkish Airlines can have you in Sydney from Porto in 38h 30m. The distance between Porto and Sydney is about 11220 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Sydney as you normally would.

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

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

How can I find direct flights from Porto to Sydney?

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

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

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

£719+ Cheap Flights from Porto to Sydney

Cheap flight deals from Porto to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

Cheapest flights from Porto to Sydney
Explore the most affordable flight options available from Porto to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Sun 8/1110:15 -

2 stops34h 40m

Sun 22/1116:20 -

2 stops35h 25m

Deal found 19/9£856

Wed 11/1116:25 -

2 stops64h 00m

Sun 15/1121:35 -

2 stops28h 50m

Deal found 22/9£901

Mon 9/1105:00 -

2 stops38h 30m

Mon 30/1116:50 -

2 stops29h 00m

Deal found 18/9£1,118

Tue 29/1216:10 -

2 stops40h 15m

Tue 19/121:35 -

2 stops28h 50m

Deal found 21/9£1,128

Tue 29/1216:10 -

2 stops40h 15m

Sun 17/121:35 -

2 stops47h 20m

Deal found 21/9£1,133

Thu 5/1117:40 -

2 stops38h 40m

Thu 19/1116:20 -

2 stops35h 55m

Deal found 22/9£1,190

Mon 9/1121:55 -

2 stops34h 25m

Mon 30/1122:10 -

2 stops44h 30m

Deal found 21/9£1,202

Wed 11/1120:40 -

2 stops47h 10m

Sun 15/1115:50 -

2 stops50h 50m

Deal found 18/9£1,202

Find flight deals from Porto to Sydney

Round-trip from	£856
One-way from	£719
Popular in	July
Cheapest in	September
Average price	£1,104

British Airways
8/11-22/11
4 total stops
70h 05m total
Porto to Sydney

Search Deals

Qatar Airways
18/3-31/12
2 total stops
33h 25m total
Porto to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£176 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£39 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

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Thu 18/3

21:55-18:20

2 stops33h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£719

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 14/3

20:10-06:30

2 stops47h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£725

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Fri 19/3

21:55-18:20

2 stops33h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£741

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sun 17/1

10:55-06:30

3 stops56h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£892

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Wed 11/11

16:25-19:25

2 stops64h 00m

Sydney Kingsford Smith

Sun 15/11

21:35-15:25

2 stops28h 50m

£901

Fastest return journey

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 15/3

16:10-07:25

3 stops28h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£929

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 16/3

16:10-07:25

3 stops28h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£929

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Sat 20/3

16:10-07:25

3 stops28h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

£1,029

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Mon 9/11

05:00-06:30

2 stops38h 30m

Sydney Kingsford Smith

Mon 30/11

16:50-10:50

2 stops29h 00m

£1,118

PortoSydney

OPO Porto - SYD Sydney Kingsford Smith

OPOSYD

Porto

Tue 12/1

10:55-19:25

2 stops45h 30m

Sydney Kingsford Smith

Sun 31/1

07:55-15:25

3 stops42h 30m

£1,157

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from Porto to Sydney

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

OPO-SYD

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.

Related info for your journey

How long is the flight from Porto to Sydney?
For as low as £1,118, Turkish Airlines can have you in Sydney from Porto in 38h 30m. The distance between Porto and Sydney is about 11220 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Can I find deals for flights from Porto to Sydney that include hotel bookings?
Yes. In addition to deals on Porto to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Porto to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Sydney.
Can I find deals for business class flights from Porto to Sydney?
Yes. Cheapflights offers flight deals from Porto to Sydney 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

Wollongong

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When you search for this flight from Porto to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Porto to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Porto to Sydney from £719

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Porto to Sydney

Cheapest flights from Porto to SydneyExplore the most affordable flight options available from Porto to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Explore the most affordable flight options available from Porto to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Porto to SydneyDiscover carefully curated flight deals from Porto to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

Discover carefully curated flight deals from Porto to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

One-way flights from Porto to SydneySearch for one-way flight options from Porto to Sydney. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Search for one-way flight options from Porto to Sydney. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

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Best time to book a flight from Porto to Sydney

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Related info for your journey

How long is the flight from Porto to Sydney?

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

How can I find direct flights from Porto to Sydney?

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

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Porto to Sydney

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Complete your trip

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

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Porto to Sydney by cabin class

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

Porto and Sydney flights

Browse other Porto and Sydney flight options. Last updated on 23 September 2026.

Other flights from Porto

Browse through other flights departing from Porto. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.

Popular flight searches

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Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.

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

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

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

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

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Cheapest flights from Porto to Sydney
Explore the most affordable flight options available from Porto to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 September 2026.

Best flights from Porto to Sydney
Discover carefully curated flight deals from Porto to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 September 2026.

One-way flights from Porto to Sydney
Search for one-way flight options from Porto to Sydney. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.