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Cheap flights from Sydney to Porto from $824

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — OPO
16 7월 — 23 7월1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Porto are usually found in March or January, booked 65 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Sydney to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 7월 2025.

Round-trip from

$1,933

One-way from

$824

Popular in

December

Cheapest in

March

Average price

$2,273
Etihad Airways
  • Etihad Airways
  • 23/8-30/8
  • 4 total stops
  • 83h 55m total
  • Sydney to Porto
5/8
  • 5/8
  • 2 total stops
  • 44h 10m total
  • Sydney to Porto
Highest demand for flights based on searches. 8% potential increase in price ($283 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Sydney to Porto

Cheapest flights from Sydney to Porto
Explore the most affordable flight options available from Sydney to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 7월 2025.

토 23/821:30SYD - OPO
2 stops46h 20mEtihad Airways
토 30/807:35OPO - SYD
2 stops37h 35mEtihad Airways
Deal found 8/7$1,933
월 28/712:50SYD - OPO
3 stops42h 35mMultiple Airlines
일 31/814:40OPO - SYD
3 stops43h 50mMultiple Airlines
Deal found 9/7$1,962
수 27/820:55SYD - OPO
2 stops27h 55mTurkish Airlines
수 10/910:50OPO - SYD
2 stops47h 10mTurkish Airlines
Deal found 10/7$2,080

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 11 7월 2025.
Use the filters below to find and compare flights from Sydney to Porto that are best for you.

Fly from

Sydney

Fly to

Porto

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

토 23/8

21:30-10:50

2 stops46h 20m

Porto

토 30/8

07:35-06:10

2 stops37h 35m

$1,933

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

월 28/7

12:50-22:25

3 stops42h 35m

Porto

일 31/8

14:40-19:30

3 stops43h 50m

$1,962

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

수 27/8

20:55-15:50

2 stops27h 55m

Porto

수 10/9

10:50-19:00

2 stops47h 10m

$2,080

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

화 5/8

19:40-06:50

2 stops44h 10m

$824

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

토 23/8

21:30-06:50

2 stops42h 20m

$1,531

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

토 23/8

12:45-19:00

3 stops39h 15m

$2,317

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Sydney to Porto?

Use this chart to determine the optimal time to book a return flight from Sydney to Porto. Price data was last updated on 27 June 2025.

The price you pay for your flight from Sydney to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from SYD to OPO?

Find hourly flight availability from Sydney to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 7월 2025.

It’s optimal to fly from Sydney to Porto in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Sydney to Porto?

Use this chart to determine the cheapest time to fly return from Sydney to Porto. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Porto flight should consider departing on Friday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from Sydney to Porto?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 11 7월 2025.
Get a feel of what it's like to fly with Emirates, Etihad 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.

Crew

8.3

Food

7.8

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Kunda,Feb 2024

FRA - DXB

All in all I enjoyed my experience and definitely flying with you again

Crew

8.3

Food

7.8

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Kunda,Feb 2024

FRA - DXB

All in all I enjoyed my experience and definitely flying with you again

Crew

8.3

Food

7.8

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Kunda,Feb 2024

FRA - DXB

All in all I enjoyed my experience and definitely flying with you again

Crew

8.3

Food

7.8

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Kunda,Feb 2024

FRA - DXB

All in all I enjoyed my experience and definitely flying with you again

Related info for your journey

Find useful and relevant information for your journey from Sydney to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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 $1,933 on this airline. An additional option worth looking into is Turkish Airlines, starting at $2,080. You may be able to fly from Sydney to Porto for 9% 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Viseu
Aveiro

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Fly from Sydney to Porto on these airlines

Choose from the following airlines for your flight from Sydney to Porto. Flights are based on user searches made on Cheapflights and were last updated on 11 7월 2025.

Top 7 airlines flying from Sydney to Porto

Discover the top 7 airlines that operate flights from Sydney to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 11 7월 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,437Average$2,380FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,631Average$2,051FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest$1,752Average$1,982FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest$1,862Average$2,159FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Qatar AirwaysCheapest$2,171Average$2,607FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
KLMCheapest$2,270Average$3,222FlexibilityNo cancel feeOn-time75%
Search KLM flights
EmiratesCheapest$2,635Average$3,746FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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