Find flights
When to book
Airlines
FAQs

Cheap flights from Portugal to Australia from $709

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SYD
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Portugal to Australia

Keep the following information in mind while searching for Portugal to Australia flight deals. Data was last updated 13 June 2025.

Round-trip from

$1,644

One-way from

$709

Popular in

October

Cheapest in

March

Average price

$2,507
British Airways
  • British Airways
  • 28/11-6/12
  • 4 total stops
  • 67h 40m total
  • Portugal to Australia
Search Deals
18/9
  • 18/9
  • 2 total stops
  • 55h 35m total
  • Portugal to Australia
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Portugal to Australia

Cheapest flights from Portugal to Australia
Explore the most affordable flight options available from Portugal to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Fri 28/1107:05LIS - SYD
2 stops36h 50mBritish Airways
Sat 6/1216:20SYD - LIS
2 stops30h 50mBritish Airways
Deal found 11/6$1,644
Wed 12/1108:25LIS - MEL
3 stops33h 35mMultiple Airlines
Thu 12/213:35MEL - LIS
2 stops32h 30mMultiple Airlines
Deal found 12/6$1,738
Wed 10/1208:25LIS - SYD
2 stops47h 40mMultiple Airlines
Mon 23/221:45SYD - LIS
2 stops44h 15mMultiple Airlines
Deal found 11/6$1,813
Thu 26/613:15LIS - PER
3 stops33h 35mMultiple Airlines
Tue 1/705:10PER - LIS
3 stops47h 55mMultiple Airlines
Deal found 11/6$1,848
Sun 27/705:05OPO - SYD
3 stops30h 05mMultiple Airlines
Sun 3/814:05SYD - OPO
2 stops33h 05mMultiple Airlines
Deal found 12/6$1,953
Sat 13/916:50OPO - MEL
3 stops50h 50mTurkish Airlines
Sat 27/907:00MEL - OPO
3 stops65h 50mTurkish Airlines
Deal found 12/6$1,986
Wed 10/910:50OPO - MEL
2 stops34h 25mMultiple Airlines
Sat 27/912:05MEL - OPO
2 stops60h 45mMultiple Airlines
Deal found 12/6$2,045
Sat 13/1216:10OPO - PER
2 stops53h 40mTurkish Airlines
Mon 5/123:15PER - OPO
2 stops47h 55mTurkish Airlines
Deal found 12/6$2,085
Mon 8/1215:25LIS - SYD
2 stops28h 50mSWISS
Sun 22/219:10SYD - LIS
2 stops55h 20mSWISS
Deal found 11/6$2,154
Tue 9/1208:20LIS - SYD
2 stops35h 55mLufthansa
Sun 22/219:10SYD - LIS
2 stops51h 30mLufthansa
Deal found 11/6$2,194
Thu 3/716:20OPO - MEL
2 stops28h 15mAir France
Thu 10/715:55MEL - OPO
2 stops49h 30mAir France
Deal found 12/6$2,241
Sun 22/605:40LIS - MEL
2 stops38h 55mAir France
Mon 7/715:55MEL - LIS
2 stops49h 55mAir France
Deal found 11/6$2,266

Cheapflights Fare Finder

Customise your flight search to find flights from Portugal to Australia 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 13 June 2025.
Use the filters below to find and compare flights from Portugal to Australia that are best for you.

Fly from

Portugal

Fly to

Australia

Route

Depart

Return

Price

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 18/9

16:30-05:20

2 stops27h 50m

Sydney Kingsford Smith

Wed 8/10

15:40-10:05

2 stops28h 25m

$1,640

LisbonPerth

LIS - PER

LISPER

Lisbon Humberto Delgado

Thu 26/6

13:15-05:50

3 stops33h 35m

Perth

Tue 1/7

05:10-22:05

3 stops47h 55m

$1,848

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Thu 18/9

07:15-09:45

3 stops41h 30m

Sydney Kingsford Smith

Wed 8/10

16:00-14:35

2 stops32h 35m

$1,943

PortoSydney

OPO - SYD

OPOSYD

Porto

Sun 27/7

05:05-20:10

3 stops30h 05m

Sydney Kingsford Smith

Sun 3/8

14:05-14:10

2 stops33h 05m

$1,953

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Sat 13/9

16:50-04:40

3 stops50h 50m

Melbourne

Sat 27/9

07:00-15:50

3 stops65h 50m

$1,986

PortoMelbourne

OPO - MEL

OPOMEL

Porto

Wed 10/9

10:50-06:15

2 stops34h 25m

Melbourne

Sat 27/9

12:05-15:50

2 stops60h 45m

$2,045

LisbonMelbourne

LIS - MEL

LISMEL

Lisbon Humberto Delgado

Sun 29/6

06:30-06:15

3 stops38h 45m

Melbourne

Wed 9/7

07:00-18:40

3 stops44h 40m

$2,125

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Mon 8/12

15:25-07:15

2 stops28h 50m

Sydney Kingsford Smith

Sun 22/2

19:10-15:30

2 stops55h 20m

$2,154

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Tue 9/12

08:20-07:15

2 stops35h 55m

Sydney Kingsford Smith

Sun 22/2

19:10-11:40

2 stops51h 30m

$2,194

LisbonSydney

LIS - SYD

LISSYD

Lisbon Humberto Delgado

Fri 19/9

12:20-06:55

2 stops57h 35m

Sydney Kingsford Smith

Wed 8/10

11:20-10:30

2 stops33h 10m

$2,235

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Portugal to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Portugal with our price prediction graph.
Estimated return 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 Portugal to Australia

What is the cheapest month to book a flight from Portugal to Australia?

Currently, May is the cheapest month in which you can book a flight from Portugal to Australia (average of $129). Flying from Portugal to Australia 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 AU?

Find hourly flight availability from Portugal to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from Portugal to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Korean Air, Emirates and Singapore Airlines from Portugal to Australia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very Good
1,091 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Emirates
8.1
Very Good
3,265 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Singapore Airlines
8.1
Very Good
1,304 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
KLM
7.8
Good
1,358 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Thai Airways
7.7
Good
335 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

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

  • What are the cheapest airlines to fly from Portugal to Australia one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $1,366. Users have also found prices from $1,567 and $1,595 on United Airlines and Etihad Airways, respectively.

  • Can I find deals for flights from Portugal to Australia that include hotel bookings?

    Yes. In addition to deals on Portugal to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Australia?

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

  • Can I find deals for business class flights from Portugal to Australia?

    Yes. Cheapflights offers flight deals from Portugal to Australia 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 Portugal to Australia?

    Currently, May is the cheapest month in which you can book a flight from Portugal to Australia (average of $129). Flying from Portugal to Australia 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portugal to Australia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Sydney flights
Heathrow to Melbourne flights
Heathrow to Perth flights
Frankfurt to Melbourne flights
Frankfurt to Sydney flights
Gatwick to Sydney flights
Stansted to Sydney flights
Charles de Gaulle to Sydney flights
Charles de Gaulle to Melbourne flights
London City to Sydney flights
Gatwick to Melbourne flights
Stansted to Melbourne flights
Heathrow to Brisbane flights
London City to Melbourne flights
Gatwick to Perth flights
Orly to Sydney flights
Charles de Gaulle to Perth flights
Gatwick to Brisbane flights
Stansted to Brisbane flights
London City to Brisbane flights
Frederic Chopin to Melbourne flights
Frederic Chopin to Sydney flights
Orly to Melbourne flights
Leonardo da Vinci/Fiumicino to Perth flights
Vienna to Sydney flights
Dublin to Melbourne flights
Madrid to Sydney flights
Charles de Gaulle to Brisbane flights
Amsterdam to Sydney flights
Manchester to Sydney flights
Manchester to Melbourne flights
Munich to Sydney flights
Luton to Sydney flights
Manchester to Perth flights
Manchester to Brisbane flights
Malpensa to Perth flights
Frankfurt to Perth flights
Leonardo da Vinci/Fiumicino to Melbourne flights
Malpensa to Sydney flights
Duesseldorf Intl to Sydney flights
Frankfurt to Brisbane flights
Linate to Sydney flights

Top 5 airlines flying from Portugal to Australia

Discover the top 5 airlines that operate flights from Portugal to Australia. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,697Average$3,033FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,836Average$2,954FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Etihad AirwaysCheapest$2,013Average$3,088FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
ITA AirwaysCheapest$2,171Average$2,403FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
EmiratesCheapest$2,816Average$3,296FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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 Australia?

Deals for Portugal to Australia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portugal to Australia?

Cheapflights helps you find that perfect flight to Australia from Portugal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Portugal to Australia with no change fees?

Certainly. Search results for flights to Australia from Portugal shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portugal to Australia 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights