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Cheap flights from Sydney to Porto from $652

SYD — OPO
19 Sep — 26 Sep1
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

Tue 15/921:05 -
2 stops45h 55m
Sun 20/916:40 -
2 stops41h 30m
Deal found 18/8$1,979
Tue 15/921:05 -
2 stops45h 55m
Sun 20/905:55 -
3 stops41h 55m
Deal found 18/8$2,040
Wed 2/911:00 -
2 stops65h 00m
Sat 26/906:55 -
2 stops41h 05m
Deal found 17/8$2,044
Sun 25/1021:50 -
2 stops28h 35m
Wed 28/1016:25 -
2 stops40h 00m
Deal found 18/8$2,096
Sun 25/1016:50 -
2 stops31h 40m
Wed 28/1016:05 -
2 stops27h 25m
Deal found 15/8$2,126
Sun 6/909:50 -
2 stops43h 45m
Tue 22/912:45 -
2 stops32h 40m
Deal found 20/8$2,129
Fri 2/1015:40 -
2 stops30h 25m
Fri 9/1013:40 -
2 stops31h 30m
Deal found 17/8$2,208

Find flight deals from Sydney to Porto

Round-trip from

$1,979

One-way from

$652

Popular in

December

Cheapest in

February

Average price

$2,618
Turkish Airlines
  • Turkish Airlines
  • 15/9-20/9
  • 4 total stops
  • 87h 25m total
  • Sydney to Porto
Search Deals
28/10
  • 28/10
  • 3 total stops
  • 58h 15m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($234 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($114 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 15/9

21:05-10:00

2 stops45h 55m

Porto

Sun 20/9

16:40-19:10

2 stops41h 30m

$1,979

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 2/9

11:00-19:00

2 stops65h 00m

Porto

Sat 26/9

06:55-09:00

2 stops41h 05m

$2,044

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 15/9

21:05-15:40

2 stops27h 35m

Porto

Sun 20/9

05:55-08:50

3 stops41h 55m

$2,054

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 25/10

21:50-15:25

2 stops28h 35m

Porto

Wed 28/10

16:25-19:25

2 stops40h 00m

$2,096
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 25/10

16:50-13:30

2 stops31h 40m

Porto

Wed 28/10

16:05-06:30

2 stops27h 25m

$2,133

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 2/10

15:40-13:05

2 stops30h 25m

Porto

Fri 9/10

13:40-07:10

2 stops31h 30m

$2,208

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 29/9

11:00-10:50

2 stops32h 50m

Porto

Tue 6/10

18:05-10:00

2 stops29h 55m

$2,243

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 21/9

13:05-09:40

2 stops29h 35m

Porto

Fri 2/10

11:15-06:10

2 stops33h 55m

$2,516
Cheapest one-way
Fastest single journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 30/9

15:40-10:10

2 stops27h 30m

$840

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 7/9

20:50-06:50

2 stops43h 00m

$6,140

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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

Cheapflights Insights

Everything you need to know about your flight from Sydney to Porto

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 $2,084 and $2,732 in September.
The cheapest return price found within the last 5 days was $1,979 on Turkish Airlines (15 Sept–20 Sept).

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
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
KLM
7.8
Good
1,560 reviews
KLM
7.8
Good
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Qatar Airways
7.4
Good
3,737 reviews
KLM
7.8
Good
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Turkish Airlines
7.4
Good
4,479 reviews
KLM
7.8
Good
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Etihad Airways
7.3
Good
1,504 reviews
KLM
7.8
Good
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Lufthansa
6.8
Okay
8,204 reviews
KLM
7.8
Good
1,560 reviews
Check prices

Crew

8.4

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • How long is the flight from Sydney to Porto?

    Airlines like Turkish Airlines fly from Sydney to Porto in about 45h 55m. 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 Japan Airlines. Our recent data shows that you can find tickets from as low as $1,190 on this airline. Additional options worth looking into are Etihad Airways and Turkish Airlines, starting at $1,400 and $1,629 round-trip. You may be able to fly from Sydney to Porto for 41% 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

Top 6 airlines flying from Sydney to Porto

AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,190Average$1,591FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Etihad AirwaysCheapest$1,400Average$1,791FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,629Average$1,910FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,661Average$2,236FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
LufthansaCheapest$1,918Average$2,524FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$2,226Average$2,842FlexibilityNo 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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