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$1,312+ Cheap flights from Lisbon (LIS) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Find cheap flights from Lisbon to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Sydney Kingsford Smith are usually found in May or February, booked 11 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 diciembre 12, 2025.

This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/273:30 pmLIS - SYD
3 stops28h 55mKLM
mié. 12/3112:45 pmSYD - LIS
3 stops32h 50mKLM
Deal found 12/11$4,566

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,312
(British Airways)

Popular in

December

Cheapest in

May

Average price

$1,886
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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Highest demand for flights based on searches. 6% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 12, 2025.
Use the filters below to find and compare flights from Lisbon to Sydney that are best for you.

Fly from

Lisbon

Fly to

Sydney

Route

Depart

Return

Price

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

dom. 2/8

7:05 am-6:55 am

2 stops36h 50m

Sydney Kingsford Smith

dom. 3/8

4:20 pm-2:50 pm

2 stops33h 30m

$1,312

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

sáb. 3/7

12:55 pm-6:55 am

2 stops31h 00m

Sydney Kingsford Smith

mié. 3/11

4:20 pm-2:50 pm

2 stops33h 30m

$1,322

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

dom. 5/3

7:20 am-6:05 am

2 stops37h 45m

Sydney Kingsford Smith

dom. 5/17

10:10 am-4:20 pm

2 stops39h 10m

$1,451

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

vie. 4/17

12:20 pm-7:00 am

2 stops57h 40m

Sydney Kingsford Smith

vie. 5/1

9:30 am-8:20 am

2 stops31h 50m

$1,484

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

sáb. 1/24

10:15 am-9:15 am

2 stops36h 00m

Sydney Kingsford Smith

sáb. 1/31

11:50 am-8:10 am

2 stops31h 20m

$1,484

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

mar. 3/10

11:55 am-9:15 am

2 stops34h 20m

Sydney Kingsford Smith

vie. 3/27

11:50 am-8:10 am

2 stops31h 20m

$1,485

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

dom. 5/3

4:35 pm-5:10 pm

2 stops63h 35m

Sydney Kingsford Smith

dom. 5/17

10:10 am-3:50 pm

2 stops38h 40m

$1,497

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

dom. 2/8

11:25 am-7:30 am

3 stops33h 05m

Sydney Kingsford Smith

dom. 3/8

3:55 pm-11:20 am

2 stops30h 25m

$1,569

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

dom. 5/3

9:15 am-6:10 am

1 stop35h 55m

Sydney Kingsford Smith

dom. 5/17

3:40 pm-7:25 am

1 stop24h 45m

$1,646

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

mié. 1/21

6:35 pm-6:50 pm

2 stops37h 15m

$1,383

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 13 results
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Compare providers for flights from Lisbon to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lisbon-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-Sydney flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Sydney. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Lisbon to Sydney, you should look to book at least 11 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, April is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $846). Flying from Lisbon to Sydney in December is currently the most expensive (average of $1,457). 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 LIS to SYD?

Find hourly flight availability from Lisbon 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 diciembre 12, 2025.

It’s optimal to fly from Lisbon to Sydney in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight at noon.

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 36h 50m. 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, April is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $846). Flying from Lisbon to Sydney in December is currently the most expensive (average of $1,457). 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
Manly
Coogee

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