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$750+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
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 June 18, 2026.

This Air Canada deal was found by Cheapflights users on 6/13. 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.
Thu 6/181:00 pm
LIS
-
SYD
2 stops33h 20m
Air Canada
Sat 7/259:20 am
SYD
-
LIS
2 stops34h 45m
Air Canada
Deal found 6/13$1,629
This Finnair deal was found by Cheapflights users on 6/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:10 pm
LIS
-
SYD
3 stops31h 40m
Multiple Airlines
Thu 11/2611:40 am
SYD
-
LIS
2 stops38h 45m
Multiple Airlines
Deal found 6/18$1,641
This Finnair deal was found by Cheapflights users on 6/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:10 pm
LIS
-
SYD
2 stops28h 15m
Finnair
Thu 11/2611:40 am
SYD
-
LIS
2 stops38h 45m
Finnair
Deal found 6/16$1,653
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:55 am
LIS
-
SYD
2 stops56h 05m
United Airlines
Sat 2/2011:50 am
SYD
-
LIS
2 stops31h 20m
United Airlines
Deal found 6/14$1,690

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,641
(Finnair)

One-way from

$750
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$1,593
Provider with most accurate pricing for Lisbon Humberto Delgado-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Sydney Kingsford Smith flights.
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From Lisbon Humberto Delgado to Sydney Kingsford Smith
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One-way flight from Lisbon Humberto Delgado to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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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 June 18, 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

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

$1,641

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 11/12

11:55 am-7:00 am

2 stops56h 05m

Sydney Kingsford Smith

Mon 11/16

11:20 am-8:10 am

2 stops31h 50m

$1,692

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 11/12

8:15 am-5:55 pm

1 stop22h 40m

Sydney Kingsford Smith

Mon 11/16

4:35 pm-6:55 am

1 stop25h 20m

$1,774

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 7/1

6:55 pm-6:10 am

1 stop26h 15m

Sydney Kingsford Smith

Fri 7/31

2:50 pm-8:25 pm

1 stop38h 35m

$1,830

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 10/31

4:10 pm-10:50 am

3 stops31h 40m

Sydney Kingsford Smith

Sat 2/20

10:20 am-3:25 pm

2 stops40h 05m

$1,864
Quickest round-trip

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 8/5

8:55 am-4:50 pm

1 stop22h 55m

Sydney Kingsford Smith

Tue 8/11

3:40 pm-7:15 am

1 stop24h 35m

$1,890

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 10/31

6:00 am-6:15 am

3 stops37h 15m

Sydney Kingsford Smith

Sat 11/28

9:30 pm-3:10 pm

2 stops28h 40m

$1,949
Cheapest one-way

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 9/1

8:25 am-6:10 am

1 stop36h 45m

$1,060

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 9/1

12:20 pm-6:55 am

2 stops57h 35m

$1,136

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 8/7

3:05 pm-6:10 am

1 stop30h 05m

$1,269

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 13 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, February is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $1,591). Flying from Lisbon to Sydney in April is currently the most expensive (average of $2,170). 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?

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 22h 40m. 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, February is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $1,591). Flying from Lisbon to Sydney in April is currently the most expensive (average of $2,170). 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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