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$523+ Cheap flights from Lisbon (LIS) to Sydney (SYD)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Lisbon to Sydney

Cheapest flights from Lisbon to Sydney
Explore the most affordable flight options available from Lisbon to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 pm
LIS
-
SYD
2 stops34h 40m
Multiple Airlines
Tue 9/228:50 pm
SYD
-
LIS
1 stop43h 35m
Multiple Airlines
Deal found 8/1$1,206
This Booking.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:05 pm
LIS
-
SYD
2 stops42h 00m
Multiple Airlines
Tue 9/298:35 pm
SYD
-
LIS
2 stops45h 10m
Multiple Airlines
Deal found 7/28$1,259
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:20 am
LIS
-
SYD
2 stops59h 15m
Air Canada
Tue 11/1011:20 am
SYD
-
LIS
2 stops54h 35m
Air Canada
Deal found 7/29$1,415
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:20 am
LIS
-
SYD
2 stops35h 15m
Air Canada
Tue 11/1011:20 am
SYD
-
LIS
2 stops54h 35m
Air Canada
Deal found 7/29$1,420
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:40 pm
LIS
-
SYD
3 stops51h 55m
Air Canada
Tue 11/1011:20 am
SYD
-
LIS
2 stops54h 35m
Air Canada
Deal found 7/29$1,421
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:40 pm
LIS
-
SYD
3 stops51h 55m
Air Canada
Wed 11/1111:20 am
SYD
-
LIS
2 stops32h 35m
Air Canada
Deal found 7/29$1,425
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:40 pm
LIS
-
SYD
3 stops51h 55m
Air Canada
Thu 11/1211:20 am
SYD
-
LIS
3 stops57h 00m
Air Canada
Deal found 7/29$1,429
This Justfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:05 pm
LIS
-
SYD
2 stops40h 10m
Multiple Airlines
Thu 11/128:45 pm
SYD
-
LIS
2 stops47h 05m
Multiple Airlines
Deal found 7/29$1,449
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:35 am
LIS
-
SYD
2 stops38h 00m
Air Canada
Tue 11/1011:20 am
SYD
-
LIS
2 stops54h 35m
Air Canada
Deal found 7/29$1,453

Find flight deals from Lisbon to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Sydney (SYD). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,259
(Booking.com)

One-way from

$523
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$1,758
Provider with most accurate pricing for Lisbon Humberto Delgado-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Sydney Kingsford Smith flights.
Search Deals
From Lisbon Humberto Delgado to Sydney Kingsford Smith
Search Deals
One-way flight from Lisbon Humberto Delgado to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon 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 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Lisbon to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 9/21

4:35 pm-6:45 am

2 stops29h 10m

Sydney Kingsford Smith

Tue 10/6

11:20 am-3:50 pm

2 stops38h 30m

$1,500

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 11/5

4:10 pm-7:35 am

2 stops28h 25m

Sydney Kingsford Smith

Sat 11/14

11:40 am-3:25 pm

2 stops38h 45m

$1,578

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 11/30

9:40 pm-8:05 pm

1 stop35h 25m

Sydney Kingsford Smith

Sun 2/21

9:55 pm-7:35 pm

1 stop32h 40m

$1,632

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 11/27

12:55 pm-7:15 am

2 stops31h 20m

Sydney Kingsford Smith

Mon 2/15

8:45 am-12:05 pm

2 stops38h 20m

$1,665
Quickest round-trip

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 10/31

12:20 pm-8:05 am

2 stops32h 45m

Sydney Kingsford Smith

Sat 2/20

9:20 am-8:10 am

2 stops33h 50m

$1,666

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 10/31

11:05 am-7:55 am

2 stops33h 50m

Sydney Kingsford Smith

Sat 2/20

11:05 am-9:55 am

3 stops33h 50m

$1,730

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 11/1

4:10 pm-10:50 am

3 stops31h 40m

Sydney Kingsford Smith

Thu 11/26

11:40 am-3:25 pm

2 stops38h 45m

$1,750

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 10/31

4:10 pm-6:35 am

2 stops27h 25m

Sydney Kingsford Smith

Sat 2/20

11:05 am-3:25 pm

3 stops39h 20m

$1,754
Cheapest one-way

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 1/27

7:35 pm-3:05 pm

3 stops56h 30m

$710

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 9/30

9:10 pm-9:00 am

3 stops50h 50m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Lisbon-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lisbon-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Lisbon with our price prediction graph.
Estimated round-trip 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 Lisbon to Sydney

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

To ensure you get the cheapest price possible for a flight from Lisbon to Sydney, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $1,495). Flying from Lisbon to Sydney in April is currently the most expensive (average of $2,213). 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.

How much does it cost to fly round-trip from Lisbon to Sydney?

Airfare is below average for this route at the moment.

Lisbon to Sydney flights typically cost between $1,664 and $2,269 in September.
The cheapest round-trip price found within the last 5 days was $1,206 on Multiple Airlines (Sep 15-Sep 22).

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Lisbon to Sydney?

    Departing from Lisbon to Sydney will take you 28h 25m. Lisbon and Sydney are separated by a distance of 11286 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lisbon to Sydney 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 Lisbon to Sydney?

    Currently, September is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $1,495). Flying from Lisbon to Sydney in April is currently the most expensive (average of $2,213). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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