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Cheap flights from Sydney to Porto from $808

SYD — OPO
31 Oct — 7 Nov1
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

Fri 13/1121:30 -
2 stops44h 15m
Fri 20/1120:10 -
2 stops47h 20m
Deal found 28/9$1,693
Wed 4/1116:50 -
2 stops29h 00m
Sun 8/1107:35 -
2 stops35h 55m
Deal found 27/9$1,702
Thu 22/1021:35 -
2 stops43h 15m
Sat 7/1116:05 -
2 stops27h 25m
Deal found 28/9$1,715
Sun 15/1116:50 -
2 stops48h 55m
Sun 22/1107:35 -
2 stops35h 55m
Deal found 30/9$1,725
Wed 11/1116:50 -
2 stops37h 30m
Wed 18/1111:35 -
2 stops31h 55m
Deal found 27/9$1,733
Fri 13/1121:30 -
2 stops31h 00m
Fri 20/1121:55 -
2 stops45h 35m
Deal found 29/9$1,763
Sat 14/1121:30 -
2 stops48h 15m
Sat 21/1107:35 -
2 stops35h 55m
Deal found 29/9$1,792
Wed 18/1116:50 -
2 stops30h 00m
Sun 22/1107:35 -
2 stops35h 55m
Deal found 28/9$1,829
Sun 15/1121:35 -
3 stops35h 05m
Sun 22/1111:30 -
2 stops33h 40m
Deal found 30/9$2,082

Find flight deals from Sydney to Porto

Round-trip from

$1,674

One-way from

$808

Popular in

December

Cheapest in

February

Average price

$2,642
Etihad Airways
  • Etihad Airways
  • 6/2-9/3
  • 4 total stops
  • 75h 40m total
  • Sydney to Porto
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23/11-31/12
  • 23/11-31/12
  • 3 total stops
  • 44h 40m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($97 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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

Mon 23/11

22:30-08:10

3 stops44h 40m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$808

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

12:00-17:25

2 stops40h 25m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$844
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 2/3

16:50-09:35

2 stops27h 45m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$898

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 13/11

21:30-06:45

2 stops44h 15m

Porto

Fri 20/11

20:10-06:30

2 stops47h 20m

$1,693

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 7/2

16:50-10:50

2 stops29h 00m

Porto

Sat 6/3

16:05-06:30

2 stops27h 25m

$1,812

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 6/2

16:50-10:50

2 stops29h 00m

Porto

Mon 8/3

16:05-06:30

2 stops27h 25m

$1,812

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

16:50-11:50

2 stops30h 00m

Porto

Sun 22/11

07:35-06:30

2 stops35h 55m

$1,829

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 4/2

15:50-09:35

2 stops28h 45m

Porto

Wed 10/3

21:55-18:20

2 stops33h 25m

$1,946

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 5/2

15:50-21:15

2 stops40h 25m

Porto

Thu 11/3

21:55-18:20

2 stops33h 25m

$1,989

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 6/2

15:50-13:55

2 stops33h 05m

Porto

Thu 11/3

21:55-18:20

2 stops33h 25m

$1,989

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 13 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, 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
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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
1,578 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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
Air France
7.5
Good
1,649 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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
4,452 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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
7.3
Good
3,726 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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
1,540 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

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 Etihad Airways fly from Sydney to Porto in about 29h. 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 $1,644 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,693 and $1,709 round-trip. You may be able to fly from Sydney to Porto for 26% 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$1,644Average$1,898FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,693Average$2,373FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,709Average$1,943FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest$1,955Average$2,572FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$1,984Average$2,504FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$2,269Average$2,897FlexibilityNo 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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