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Cheap flights from Sydney to Porto from $902

SYD — OPO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Porto

Mon 9/1121:30 -
2 stops44h 15m
Thu 12/1120:10 -
2 stops47h 20m
Deal found 1/11$1,618
Wed 18/1116:50 -
2 stops29h 00m
Sun 22/1111:35 -
2 stops55h 55m
Deal found 2/11$1,646
Sat 7/1121:30 -
2 stops55h 00m
Fri 20/1105:00 -
2 stops25h 45m
Deal found 2/11$1,915
Mon 9/1109:50 -
3 stops35h 30m
Thu 12/1111:35 -
3 stops36h 00m
Deal found 1/11$1,988
Sat 5/1221:30 -
2 stops44h 15m
Wed 30/1207:35 -
2 stops35h 55m
Deal found 1/11$2,349

Find flight deals from Sydney to Porto

Round-trip from

$1,603

One-way from

$902

Popular in

December

Cheapest in

February
Etihad Airways
  • Etihad Airways
  • 3/3-7/3
  • 4 total stops
  • 71h 40m total
  • Sydney to Porto
Search Deals
13/4-31/12
  • 13/4-31/12
  • 2 total stops
  • 35h 55m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($832 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($94 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Porto that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 13/4

20:00-22:55

2 stops35h 55m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$902

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 19/11

20:05-19:00

3 stops33h 55m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,067

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 3/3

21:30-06:45

2 stops44h 15m

Porto

Sun 7/3

16:05-06:30

2 stops27h 25m

$1,603

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

16:50-10:50

2 stops29h 00m

Porto

Sun 22/11

11:35-06:30

2 stops55h 55m

$1,646

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 5/12

21:30-06:45

2 stops44h 15m

Porto

Wed 30/12

07:35-06:30

2 stops35h 55m

$2,349

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 5/12

07:55-09:55

3 stops37h 00m

Porto

Wed 30/12

10:55-19:25

2 stops45h 30m

$2,641

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 15/12

07:55-15:25

3 stops66h 30m

Porto

Tue 22/12

16:10-19:25

2 stops40h 15m

$2,831

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 20/12

21:45-18:00

2 stops31h 15m

Porto

Sun 27/12

18:00-22:30

2 stops41h 30m

$4,351

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 19/12

06:00-18:00

2 stops47h 00m

Porto

Sat 26/12

16:00-22:30

2 stops43h 30m

$4,411

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/4

15:40-17:20

2 stops34h 40m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$5,981

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.
Estimated return price

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Air France, andQatar 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
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
KLM
7.8
Good
1,596 reviews
KLM
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Air France
7.5
Good
1,647 reviews
KLM
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Qatar Airways
7.4
Good
3,712 reviews
KLM
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Turkish Airlines
7.4
Good
4,468 reviews
KLM
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Etihad Airways
7.3
Good
1,556 reviews
KLM
7.8
Good
1,596 reviews
Check prices

Entertainment

7.2

Food

7.4

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.

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 44h 15m. 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 $1,606 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,685 and $1,789 round-trip. You may be able to fly from Sydney to Porto for 30% 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Viseu

Browse thousands of different options on Cheapflights for your next trip

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

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,606Average$2,039FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,685Average$2,342FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,789Average$1,937FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,883Average$1,920FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$1,974Average$2,492FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$2,258Average$2,882FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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