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Cheap flights from Sydney to Porto from $820

SYD — OPO
29 Nov — 6 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

Thu 5/1121:30 -
2 stops44h 15m
Fri 20/1107:35 -
2 stops35h 55m
Deal found 26/10$1,462
Wed 18/1116:50 -
2 stops29h 00m
Sun 22/1107:35 -
2 stops35h 55m
Deal found 25/10$1,624
Thu 5/1111:25 -
2 stops35h 40m
Fri 20/1110:30 -
3 stops33h 00m
Deal found 26/10$1,944
Tue 27/1016:50 -
3 stops33h 10m
Sun 1/1108:00 -
2 stops35h 30m
Deal found 26/10$2,206
Thu 24/1216:50 -
2 stops29h 00m
Fri 8/120:10 -
2 stops47h 20m
Deal found 26/10$2,316
Wed 16/1222:15 -
2 stops52h 10m
Tue 29/1210:55 -
2 stops45h 30m
Deal found 30/10$2,319
Sat 5/1221:30 -
2 stops48h 20m
Wed 30/1207:35 -
2 stops47h 10m
Deal found 29/10$2,334

Find flight deals from Sydney to Porto

Round-trip from

$1,510

One-way from

$820

Popular in

December

Cheapest in

February

Average price

$2,456
Etihad Airways
  • Etihad Airways
  • 8/3-12/3
  • 4 total stops
  • 78h 50m total
  • Sydney to Porto
Search Deals
26/11-31/12
  • 26/11-31/12
  • 3 total stops
  • 45h 30m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($822 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($93 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

14:00-00:30

3 stops45h 30m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$820

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

07:35-06:30

2 stops35h 55m

$1,624

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 16/1

21:30-10:45

2 stops48h 15m

Porto

Fri 22/1

16:05-06:30

2 stops27h 25m

$1,858

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 5/12

21:30-10:50

2 stops48h 20m

Porto

Wed 30/12

07:35-17:45

2 stops47h 10m

$2,365

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

$2,570

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 16/1

06:35-15:25

3 stops43h 50m

Porto

Fri 22/1

05:00-07:25

3 stops39h 25m

$2,800

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 12/12

07:55-15:25

3 stops42h 30m

Porto

Sat 19/12

20:40-19:20

2 stops35h 40m

$3,165

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 16/12

12:35-15:25

2 stops37h 50m

Porto

Thu 31/12

10:55-19:25

2 stops45h 30m

$3,204

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 16/12

21:30-11:00

2 stops48h 30m

Porto

Mon 28/12

16:05-06:30

2 stops27h 25m

$3,258

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 25/12

16:50-10:50

2 stops29h 00m

Porto

Thu 7/1

16:05-06:30

2 stops27h 25m

$3,424

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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

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
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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
1,595 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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
1,653 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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
4,461 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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
7.3
Good
3,712 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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
1,550 reviews
KLM
7.8
Good
1,595 reviews
Check prices

Overall

7.8

Crew

8.4

Boarding

7.8

Comfort

7.7

Entertainment

7.2

Food

7.4

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 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 $1,627 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,675 and $1,779 round-trip. You may be able to fly from Sydney to Porto for 28% 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$1,627Average$1,971FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,675Average$2,348FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,779Average$1,926FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,872Average$1,909FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$1,963Average$2,478FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$2,245Average$2,866FlexibilityNo 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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