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Cheap flights from Sydney to Porto from $1,213

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — OPO
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Porto are usually found in March or January, booked 69 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 29 April 2025.

Round-trip from

$1,820

One-way from

$1,213

Popular in

December

Cheapest in

March

Average price

$2,623
SWISS
  • SWISS
  • 2/6-17/6
  • 4 total stops
  • 66h 45m total
  • Sydney to Porto
Search Deals
Austrian Airlines
  • Austrian Airlines
  • 2/6
  • 2 total stops
  • 30h 50m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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 29 April 2025.

Fri 13/612:50SYD - OPO
3 stops43h 15mMultiple Airlines
Fri 20/606:35OPO - SYD
3 stops42h 35mMultiple Airlines
Deal found 28/4$1,824
Mon 2/614:05SYD - OPO
2 stops40h 25mSWISS
Mon 23/612:50OPO - SYD
2 stops32h 20mSWISS
Deal found 28/4$1,948
Wed 16/720:55SYD - OPO
2 stops45h 50mTurkish Airlines
Mon 29/916:50OPO - SYD
2 stops31h 55mTurkish Airlines
Deal found 29/4$2,014
Mon 2/611:45SYD - OPO
3 stops31h 55mKLM
Mon 23/616:20OPO - SYD
2 stops29h 25mKLM
Deal found 28/4$2,139
Sat 27/920:45SYD - OPO
2 stops28h 10mQatar Airways
Sat 11/1012:20OPO - SYD
2 stops43h 50mQatar Airways
Deal found 28/4$3,069
Tue 7/1016:00SYD - OPO
2 stops28h 25mLufthansa
Thu 23/1006:15OPO - SYD
2 stops38h 40mLufthansa
Deal found 28/4$4,952
Tue 29/409:20SYD - OPO
3 stops59h 05mAir Canada
Tue 6/510:00OPO - SYD
3 stops36h 20mAir Canada
Deal found 27/4$7,400

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 29 April 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

Fri 13/6

12:50-23:05

3 stops43h 15m

Porto

Fri 20/6

06:35-10:10

3 stops42h 35m

$1,824

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 2/6

14:05-21:30

2 stops40h 25m

Porto

Mon 23/6

12:50-06:10

2 stops32h 20m

$1,948

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 16/7

20:55-09:45

2 stops45h 50m

Porto

Mon 29/9

16:50-09:45

2 stops31h 55m

$2,014

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 2/6

11:45-10:40

3 stops31h 55m

Porto

Mon 23/6

16:20-06:45

2 stops29h 25m

$2,139

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 27/9

20:45-15:55

2 stops28h 10m

Porto

Sat 11/10

12:20-18:10

2 stops43h 50m

$3,069

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 7/10

16:00-10:25

2 stops28h 25m

Porto

Thu 23/10

06:15-06:55

2 stops38h 40m

$4,952

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 2/6

14:50-12:40

2 stops30h 50m

$1,213

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 19/9

20:30-22:15

2 stops34h 45m

$1,244

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 19/9

20:55-15:50

1 stop27h 55m

$1,511

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 2/6

11:45-10:40

3 stops31h 55m

$1,675

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 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 29 April 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 29 April 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
780 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,588 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,561 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,788 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

7.2

Entertainment

7.1

Overall

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 SWISS. Our recent data shows that you can find tickets from as low as $1,948 on this airline. Additional options worth looking into are Turkish Airlines and KLM, starting at $2,014 and $2,133 round-trip. You may be able to fly from Sydney to Porto for 13% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Sydney to Porto one-way?

    The cheapest airline one-way is Austrian Airlines, with whom users have recently found tickets for as low as $1,213. However, be on the lookout for offers from Turkish Airlines and KLM, as they are both options that can get you from Sydney to Porto for a low price.

  • 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 29 April 2025.
KLM flights from Sydney Kingsford Smith to Porto

Top 6 airlines flying from Sydney to Porto

Discover the top 6 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,672Average$2,150FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest$1,795Average$2,306FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest$1,908Average$2,182FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Qatar AirwaysCheapest$2,225Average$2,671FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
KLMCheapest$2,236Average$2,566FlexibilityNo cancel feeOn-time75%
Search KLM flights
EmiratesCheapest$2,700Average$3,839FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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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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