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Cheap flights from Sydney to Portugal from $834

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LIS
12 Jul — 19 Jul1
1 adult

Cheap flight deals from Sydney to Portugal

Keep the following information in mind while searching for Sydney to Portugal flight deals. Data was last updated 7 July 2025.

Round-trip from

$1,895

One-way from

$834

Popular in

December

Cheapest in

March

Average price

$2,425
20/8-27/8
  • 20/8-27/8
  • 4 total stops
  • 67h 40m total
  • Sydney to Portugal
12/9
  • 12/9
  • 2 total stops
  • 39h 50m total
  • Sydney to Portugal
Highest demand for flights based on searches. 2% potential increase in price ($75 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($54 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Sydney to Portugal

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

Wed 20/810:15SYD - FAO
2 stops40h 15mMultiple Airlines
Wed 27/807:00FAO - SYD
2 stops27h 25mMultiple Airlines
Deal found 5/7$1,895
Tue 23/912:50SYD - LIS
3 stops40h 40mMultiple Airlines
Tue 30/923:50LIS - SYD
2 stops34h 40mMultiple Airlines
Deal found 5/7$1,931
Tue 5/815:40SYD - LIS
1 stop24h 40mEtihad Airways
Wed 10/909:10LIS - SYD
1 stop22h 45mEtihad Airways
Deal found 5/7$1,944
Wed 6/814:50SYD - OPO
2 stops28h 30mLufthansa
Mon 8/906:15OPO - SYD
2 stops38h 40mLufthansa
Deal found 7/7$1,945
Fri 5/914:50SYD - LIS
2 stops31h 45mLufthansa
Thu 18/906:15LIS - SYD
2 stops43h 05mLufthansa
Deal found 7/7$1,951
Tue 19/820:55SYD - LIS
2 stops35h 40mTurkish Airlines
Tue 26/805:55LIS - SYD
2 stops28h 05mTurkish Airlines
Deal found 5/7$1,962
Mon 13/1012:00SYD - OPO
2 stops33h 25mSWISS
Sun 2/1112:05OPO - SYD
2 stops36h 45mSWISS
Deal found 5/7$1,967
Fri 5/921:30SYD - OPO
2 stops54h 50mEtihad Airways
Sun 14/907:35OPO - SYD
2 stops37h 35mEtihad Airways
Deal found 7/7$1,983
Tue 19/820:55SYD - OPO
2 stops46h 10mTurkish Airlines
Tue 26/816:50OPO - SYD
2 stops41h 10mTurkish Airlines
Deal found 5/7$1,994
Sat 6/912:45SYD - LIS
2 stops35h 55mFinnair
Wed 17/916:30LIS - SYD
2 stops29h 10mFinnair
Deal found 7/7$2,000
Sun 12/1015:40SYD - LIS
2 stops28h 25mBritish Airways
Sun 26/1007:05LIS - SYD
1 stop36h 50mBritish Airways
Deal found 7/7$2,020
Wed 3/909:30SYD - OPO
2 stops29h 35mUnited Airlines
Fri 19/909:00OPO - SYD
2 stops37h 00mUnited Airlines
Deal found 7/7$2,023

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Portugal 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 7 July 2025.
Use the filters below to find and compare flights from Sydney to Portugal that are best for you.

Fly from

Sydney

Fly to

Portugal

Route

Depart

Return

Price

SydneyFaro

SYD - FAO

SYDFAO

Sydney Kingsford Smith

Wed 20/8

10:15-17:30

2 stops40h 15m

Faro

Wed 27/8

07:00-19:25

2 stops27h 25m

$1,895

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Tue 23/9

12:50-20:30

3 stops40h 40m

Lisbon Humberto Delgado

Tue 30/9

23:50-19:30

2 stops34h 40m

$1,931

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Tue 5/8

15:40-07:20

1 stop24h 40m

Lisbon Humberto Delgado

Wed 10/9

09:10-16:55

1 stop22h 45m

$1,944

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 6/8

14:50-10:20

2 stops28h 30m

Porto

Mon 8/9

06:15-05:55

2 stops38h 40m

$1,945

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Fri 5/9

14:50-13:35

2 stops31h 45m

Lisbon Humberto Delgado

Thu 18/9

06:15-10:20

2 stops43h 05m

$1,951

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Tue 19/8

20:55-23:35

2 stops35h 40m

Lisbon Humberto Delgado

Tue 26/8

05:55-19:00

2 stops28h 05m

$1,962

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 13/10

12:00-11:25

2 stops33h 25m

Porto

Sun 2/11

12:05-11:50

2 stops36h 45m

$1,967

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 5/9

21:30-19:20

2 stops54h 50m

Porto

Sun 14/9

07:35-06:10

2 stops37h 35m

$1,983

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 19/8

20:55-10:05

2 stops46h 10m

Porto

Tue 26/8

16:50-19:00

2 stops41h 10m

$1,994

SydneyLisbon

SYD - LIS

SYDLIS

Sydney Kingsford Smith

Sat 6/9

12:45-15:40

2 stops35h 55m

Lisbon Humberto Delgado

Wed 17/9

16:30-06:40

2 stops29h 10m

$2,000

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 33 results
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Best time to book a flight from Sydney to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Sydney to Portugal?

Currently, October is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,240). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Portugal as you normally would.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 7 July 2025.
See what other customers who have flown with Emirates, KLM, andFinnair from Sydney to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Food

7.8

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Related info for your journey

Find useful and relevant information for your journey from Sydney to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sydney to Portugal?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travellers will use when flying to Portugal from Sydney.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as $1,059. However, be on the lookout for offers from SWISS and Qatar Airways, as they are both options that can get you from Sydney to Portugal for a low price.

  • What are the most popular routes from Sydney to Portugal?

  • Can I find deals for flights from Sydney to Portugal that include hotel bookings?

    Yes. In addition to deals on Sydney to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portugal.

  • Can I find deals for business class flights from Sydney to Portugal?

    Yes. Cheapflights offers flight deals from Sydney to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Portugal?

    Currently, October is the cheapest month in which you can book a flight from Sydney to Portugal (average of $1,240). Flying from Sydney to Portugal in December is currently the most expensive (average of $1,800). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Sydney to Portugal

Discover the top 10 airlines that operate flights from Sydney to Portugal. 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 7 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,414Average$1,702FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Etihad AirwaysCheapest$1,438Average$2,600FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest$1,462Average$1,980FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air CanadaCheapest$1,501Average$1,952FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapest$1,510Average$2,454FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
FinnairCheapest$1,549Average$2,027FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest$1,580Average$1,977FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,752Average$2,313FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$1,753Average$2,359FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$1,973Average$2,044FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Portugal?

Cheapflights makes it easy to find Sydney to Portugal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portugal?

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sydney to Portugal with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Portugal flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Sydney to Portugal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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