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$529+ 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 13 — Aug 201
Wed 8/13
Wed 8/20
1 adult, Economy
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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Sydney Kingsford Smith are usually found in April or September, booked 11 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 8, 2025.

Round-trip from

$1,122
(Mytrip)

One-way from

$529
(Kiwi.com)

Popular in

October

Cheapest in

April

Average price

$1,763
From Lisbon Humberto Delgado to Sydney Kingsford Smith
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One-way flight from Lisbon Humberto Delgado to Sydney Kingsford Smith
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Highest demand for flights based on searches. 0% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 8, 2025.

This Mytrip deal was found by Cheapflights users on 8/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:35 amLIS - SYD
3 stops40h 15mMultiple Airlines
Sun 10/268:05 pmSYD - LIS
3 stops35h 20mMultiple Airlines
Deal found 8/8$1,122
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:20 pmLIS - SYD
3 stops29h 30mMultiple Airlines
Tue 9/1612:50 pmSYD - LIS
3 stops40h 40mMultiple Airlines
Deal found 8/6$1,162
This Booking.com deal was found by Cheapflights users on 8/7. 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.
Sun 9/215:05 pmLIS - SYD
2 stops27h 15mBritish Airways
Sun 9/282:40 pmSYD - LIS
2 stops34h 40mBritish Airways
Deal found 8/7$1,250
This Booking.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/204:25 pmLIS - SYD
2 stops27h 55mBritish Airways
Sat 9/272:40 pmSYD - LIS
2 stops28h 25mBritish Airways
Deal found 8/6$1,254
This Expedia deal was found by Cheapflights users on 8/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:25 pmLIS - SYD
2 stops27h 55mBritish Airways
Tue 9/162:40 pmSYD - LIS
2 stops28h 25mBritish Airways
Deal found 8/6$1,256
This British Airways deal was found by Cheapflights users on 8/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:05 amLIS - SYD
2 stops33h 15mBritish Airways
Thu 9/112:40 pmSYD - LIS
2 stops28h 25mBritish Airways
Deal found 8/7$1,261
This British Airways deal was found by Cheapflights users on 8/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:40 amLIS - SYD
2 stops33h 15mBritish Airways
Thu 12/114:20 pmSYD - LIS
2 stops33h 25mBritish Airways
Deal found 8/8$1,265
This British Airways deal was found by Cheapflights users on 8/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:25 pmLIS - SYD
2 stops27h 55mBritish Airways
Sat 10/42:40 pmSYD - LIS
2 stops28h 25mBritish Airways
Deal found 8/6$1,312

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 8, 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

Fri 10/24

6:35 am-8:50 am

3 stops40h 15m

Sydney Kingsford Smith

Sun 10/26

8:05 pm-8:25 pm

3 stops35h 20m

$1,122

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 9/10

5:20 pm-7:50 am

3 stops29h 30m

Sydney Kingsford Smith

Tue 9/16

12:50 pm-8:30 pm

3 stops40h 40m

$1,162

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sun 9/21

5:05 pm-5:20 am

2 stops27h 15m

Sydney Kingsford Smith

Sun 9/28

2:40 pm-4:20 pm

2 stops34h 40m

$1,250

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 9/20

4:25 pm-5:20 am

2 stops27h 55m

Sydney Kingsford Smith

Sat 9/27

2:40 pm-10:05 am

2 stops28h 25m

$1,254

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 9/10

4:25 pm-5:20 am

2 stops27h 55m

Sydney Kingsford Smith

Tue 9/16

2:40 pm-10:05 am

2 stops28h 25m

$1,256

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 9/4

11:05 am-5:20 am

2 stops33h 15m

Sydney Kingsford Smith

Thu 9/11

2:40 pm-10:05 am

2 stops28h 25m

$1,261

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 11/27

10:40 am-6:55 am

2 stops33h 15m

Sydney Kingsford Smith

Thu 12/11

4:20 pm-2:45 pm

2 stops33h 25m

$1,265

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 9/27

4:25 pm-5:20 am

2 stops27h 55m

Sydney Kingsford Smith

Sat 10/4

2:40 pm-10:05 am

2 stops28h 25m

$1,312

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Wed 9/10

9:10 am-10:10 am

3 stops40h 00m

$529

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Sat 11/22

5:00 am-9:35 am

2 stops41h 35m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 17 results
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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 August 1, 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, February is the cheapest month in which you can book a flight from Lisbon to Sydney (average of $1,028). Flying from Lisbon to Sydney in December is currently the most expensive (average of $1,619). 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 August 8, 2025.

It’s optimal to fly from Lisbon to Sydney in the afternoon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight at noon.

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 August 8, 2025.
Get a feel of what it's like to fly with KLM, Finnair, and Qatar Airways from Lisbon to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Finnair
7.6
Good
1,319 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,606 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Etihad Airways
7.4
Good
1,232 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,916 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 $1,028). Flying from Lisbon to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
Parramatta
Manly
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Lisbon to Sydney

Discover the top airline that operate flights from Lisbon 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 2,558,603 searches. Data last updated August 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,479Average$1,674FlexibilityNo cancel feeOn-time75%

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