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Cheap flights from Sydney to Porto from $698

SYD — OPO
18 Nov — 25 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

Sun 15/1115:10 -
2 stops33h 10m
Mon 7/1212:15 -
3 stops34h 10m
Deal found 16/10$1,559
Wed 18/1116:50 -
2 stops29h 00m
Sun 22/1107:35 -
2 stops35h 55m
Deal found 18/10$1,567
Wed 18/1115:10 -
2 stops33h 15m
Sun 22/1111:55 -
2 stops35h 05m
Deal found 16/10$1,676
Thu 12/1115:50 -
2 stops33h 05m
Thu 19/1114:30 -
3 stops29h 20m
Deal found 16/10$1,692
Thu 12/1121:30 -
2 stops52h 45m
Thu 19/1120:10 -
2 stops47h 20m
Deal found 16/10$1,718
Sun 29/1122:30 -
2 stops35h 20m
Sun 6/1211:55 -
2 stops35h 05m
Deal found 15/10$1,874
Tue 1/1221:35 -
2 stops32h 05m
Tue 8/1211:15 -
2 stops35h 45m
Deal found 19/10$1,945

Find flight deals from Sydney to Porto

Round-trip from

$1,443

One-way from

$698

Popular in

December

Cheapest in

February

Average price

$2,487
Etihad Airways
  • Etihad Airways
  • 30/1-17/2
  • 4 total stops
  • 75h 45m total
  • Sydney to Porto
Search Deals
31/10-31/12
  • 31/10-31/12
  • 2 total stops
  • 52h 00m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($902 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($101 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

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 31/10

21:25-14:25

2 stops52h 00m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$698

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

07:55-15:25

3 stops42h 30m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,447

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 3/12

10:35-15:25

2 stops39h 50m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,521

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 5/12

09:10-09:30

2 stops59h 20m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,549

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

$1,567

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 6/12

07:55-15:25

3 stops42h 30m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,568

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 15/11

20:05-19:20

3 stops34h 15m

Porto

Mon 7/12

11:15-09:25

3 stops35h 10m

$1,647

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Wed 18/11

15:10-13:25

2 stops33h 15m

Porto

Sun 22/11

11:55-10:00

2 stops35h 05m

$1,676

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 12/11

21:30-15:15

2 stops52h 45m

Porto

Thu 19/11

20:10-06:30

2 stops47h 20m

$1,718
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 26/11

10:35-10:30

3 stops34h 55m

Porto

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,781

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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, 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
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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
1,591 reviews
KLM
7.8
Good
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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
1,652 reviews
KLM
7.8
Good
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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
4,457 reviews
KLM
7.8
Good
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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
1,547 reviews
KLM
7.8
Good
1,591 reviews
Check prices

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Boarding

7.8

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 $1,647 on this airline. Additional options worth looking into are Qatar Airways and Turkish Airlines, starting at $1,696 and $1,761 round-trip. You may be able to fly from Sydney to Porto for 27% 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 5 airlines flying from Sydney to Porto

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,647Average$1,912FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,696Average$2,377FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,761Average$1,945FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest$1,988Average$2,509FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest$2,273Average$2,902FlexibilityNo 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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