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Cheap flights from Sydney to Porto from $1,062

SYD — OPO
6 Oct — 13 Oct1
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

Sun 18/1012:00 -
2 stops36h 30m
Sun 25/1006:00 -
2 stops44h 35m
Deal found 3/9$1,618
Fri 16/1016:40 -
2 stops32h 35m
Fri 23/1020:10 -
2 stops48h 20m
Deal found 31/8$1,830
Thu 8/1022:05 -
2 stops27h 40m
Thu 29/1010:55 -
2 stops45h 30m
Deal found 4/9$1,869
Wed 18/1116:50 -
2 stops33h 25m
Sun 22/1107:35 -
2 stops35h 55m
Deal found 2/9$2,098
Fri 16/1022:05 -
2 stops27h 35m
Fri 23/1006:35 -
3 stops40h 45m
Deal found 31/8$2,212
Fri 2/1015:40 -
2 stops36h 40m
Fri 9/1016:05 -
2 stops28h 30m
Deal found 1/9$2,235

Find flight deals from Sydney to Porto

Round-trip from

$1,618

One-way from

$1,062

Popular in

December

Cheapest in

February

Average price

$2,474
18/10-25/10
  • 18/10-25/10
  • 4 total stops
  • 81h 05m total
  • Sydney to Porto
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17/9-31/12
  • 17/9-31/12
  • 2 total stops
  • 35h 00m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($80 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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.

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Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/10

22:05-15:45

2 stops27h 40m

Porto

Thu 29/10

10:55-19:25

2 stops45h 30m

$1,869

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

16:50-15:15

2 stops33h 25m

Porto

Sun 22/11

07:35-06:30

2 stops35h 55m

$2,098

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 18/10

22:05-15:50

2 stops27h 45m

Porto

Sun 25/10

07:35-06:30

3 stops35h 55m

$2,204

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 2/10

15:40-19:20

2 stops36h 40m

Porto

Fri 9/10

16:05-06:35

2 stops28h 30m

$2,235

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/10

08:55-15:45

3 stops40h 50m

Porto

Thu 29/10

16:25-19:25

2 stops40h 00m

$2,287

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 8/10

08:55-09:40

3 stops34h 45m

Porto

Sun 11/10

10:45-20:00

2 stops47h 15m

$2,865
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 17/9

21:05-14:30

3 stops50h 25m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$3,690

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Sorted 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.
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 $2,259 and $2,695 in October.
The cheapest return price found within the last 5 days was $1,618 on Multiple Airlines (18 Oct–25 Oct).

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Turkish Airlines, 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
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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
1,569 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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
4,478 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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
7.3
Good
3,733 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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
1,533 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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
8,223 reviews
KLM
7.8
Good
1,569 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Crew

8.4

Boarding

7.8

Overall

7.8

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 and Etihad Airways fly from Sydney to Porto in about 27h 40m. The time it takes to get you to your destination can typically vary by up to 5h 45m. 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 $1,172 on this airline. Additional options worth looking into are Etihad Airways and Turkish Airlines, starting at $1,519 and $1,604 round-trip. You may be able to fly from Sydney to Porto for 44% 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$1,519Average$1,785FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,604Average$1,881FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,636Average$2,237FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
LufthansaCheapest$1,889Average$2,486FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$1,917Average$2,420FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$2,193Average$2,799FlexibilityNo 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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