Cheap flights from Portugal to Sydney from $1,000
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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portugal to Sydney
Keep the following information in mind while searching for Portugal to Sydney flight deals. Data was last updated 4 July 2025.
Round-trip from | $2,010 |
---|---|
One-way from | $1,000 |
Popular in | October |
Cheapest in | November |
Average price | $2,526 |
Find flight deals from Portugal to Sydney
Cheapest flights from Portugal to SydneyExplore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from Portugal to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portugal to Sydney 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 4 July 2025.
Use the filters below to find and compare flights from Portugal to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PortoSydney
OPO - SYD
OPOSYD
Porto
Thu 28/8
07:15-09:45
3 stops41h 30m
Sydney Kingsford Smith
Wed 10/9
20:55-20:50
3 stops32h 55m
LisbonSydney
LIS - SYD
LISSYD
Lisbon Humberto Delgado
Thu 28/8
16:45-11:35
2 stops33h 50m
Sydney Kingsford Smith
Wed 10/9
20:45-15:30
2 stops51h 45m
PortoSydney
OPO - SYD
OPOSYD
Porto
Thu 28/8
16:50-09:45
2 stops31h 55m
Sydney Kingsford Smith
Wed 10/9
11:45-15:50
2 stops37h 05m
PortoSydney
OPO - SYD
OPOSYD
Porto
Sun 30/11
16:40-06:50
2 stops27h 10m
Sydney Kingsford Smith
Mon 15/12
21:40-16:00
2 stops29h 20m
LisbonSydney
LIS - SYD
LISSYD
Lisbon Humberto Delgado
Thu 28/8
16:30-06:40
2 stops29h 10m
Sydney Kingsford Smith
Wed 10/9
07:40-15:40
2 stops41h 00m
PortoSydney
OPO - SYD
OPOSYD
Porto
Wed 3/12
18:30-07:15
2 stops49h 45m
Sydney Kingsford Smith
Tue 16/12
16:20-17:35
2 stops36h 15m
PortoSydney
OPO - SYD
OPOSYD
Porto
Thu 27/11
20:40-18:50
2 stops35h 10m
Sydney Kingsford Smith
Sat 13/12
21:40-16:00
2 stops29h 20m
PortoSydney
OPO - SYD
OPOSYD
Porto
Mon 4/8
20:10-16:55
2 stops59h 45m
Sydney Kingsford Smith
Sun 17/8
15:40-06:50
2 stops48h 10m
LisbonSydney
LIS - SYD
LISSYD
Lisbon Humberto Delgado
Thu 28/8
09:10-16:55
1 stop22h 45m
Sydney Kingsford Smith
Wed 10/9
15:40-07:20
1 stop24h 40m
PortoSydney
OPO - SYD
OPOSYD
Porto
Tue 22/7
09:00-07:00
2 stops37h 00m
Sydney Kingsford Smith
Wed 17/9
09:30-06:05
2 stops29h 35m
Best time to book a flight from Portugal to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Portugal with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portugal to Sydney
What is the cheapest month to book a flight from Portugal to Sydney?
Currently, May is the cheapest month in which you can book a flight from Portugal to Sydney (average of $129). Flying from Portugal to Sydney in October is currently the most expensive (average of $171). 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 PT to SYD?
Find hourly flight availability from Portugal to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portugal to Sydney as you normally would.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 4 July 2025.
Read reviews from past customers who have flown with Thai Airways, Finnair, andQatar Airways from Portugal to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Joe,June 2025
BKK - TPE
Related info for your journey
Find useful and relevant information for your journey from Portugal to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Portugal?
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Alternative routes for Portugal to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Portugal to Sydney
Discover the top 6 airlines that operate flights from Portugal to Sydney. 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 4 July 2025.
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 Portugal to Sydney?
Cheapflights helps you search for flights from Portugal to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Portugal to Sydney?
Cheapflights simply makes it quick and affordable to book flights from Portugal to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Portugal to Sydney with no change fees?
Yes! Cheapflights helps users easily find flights from Portugal to Sydney with no change fees.
Can Cheapflights notify me if prices for flights from Portugal to Sydney become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!