Cheap flights from Australia to Porto from $635

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — OPO
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Porto
Explore the most affordable flight options available from Australia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2026.

Tue 7/415:40
SYD
-
OPO
2 stops32h 35m
Etihad Airways
Tue 14/416:05
OPO
-
SYD
2 stops39h 45m
Etihad Airways
Deal found 20/2$1,456
Mon 23/216:35
SYD
-
OPO
2 stops32h 35m
Multiple Airlines
Fri 6/314:45
OPO
-
SYD
2 stops28h 50m
Multiple Airlines
Deal found 22/2$1,486
Wed 8/415:40
SYD
-
OPO
2 stops32h 35m
Etihad Airways
Wed 15/416:05
OPO
-
SYD
2 stops29h 05m
Etihad Airways
Deal found 21/2$1,502
Mon 23/221:45
SYD
-
OPO
2 stops44h 05m
Etihad Airways
Fri 6/307:35
OPO
-
SYD
2 stops36h 00m
Etihad Airways
Deal found 22/2$1,512
Wed 8/417:20
MEL
-
OPO
2 stops46h 30m
Etihad Airways
Wed 15/416:05
OPO
-
MEL
2 stops38h 45m
Etihad Airways
Deal found 21/2$1,529
Thu 30/713:25
MEL
-
OPO
2 stops35h 20m
Turkish Airlines
Sat 5/910:45
OPO
-
MEL
2 stops36h 35m
Turkish Airlines
Deal found 21/2$1,552
Tue 2/623:30
MEL
-
OPO
2 stops33h 00m
Turkish Airlines
Tue 9/610:40
OPO
-
MEL
2 stops47h 35m
Turkish Airlines
Deal found 22/2$1,556
Fri 7/813:25
MEL
-
OPO
2 stops35h 15m
Turkish Airlines
Sat 5/906:15
OPO
-
MEL
2 stops28h 00m
Turkish Airlines
Deal found 21/2$1,560
Tue 14/417:20
MEL
-
OPO
2 stops46h 30m
Etihad Airways
Thu 21/505:05
OPO
-
MEL
2 stops25h 45m
Etihad Airways
Deal found 21/2$1,567
Tue 14/417:20
MEL
-
OPO
2 stops28h 55m
Multiple Airlines
Thu 21/505:05
OPO
-
MEL
2 stops25h 45m
Multiple Airlines
Deal found 22/2$1,573
Mon 16/318:20
MEL
-
OPO
2 stops27h 30m
Etihad Airways
Thu 19/320:10
OPO
-
MEL
2 stops33h 50m
Etihad Airways
Deal found 20/2$1,584
Mon 16/321:45
SYD
-
OPO
2 stops52h 30m
Etihad Airways
Thu 19/320:10
OPO
-
SYD
2 stops34h 45m
Etihad Airways
Deal found 20/2$1,617

Find flight deals from Australia to Porto

Keep the following information in mind while searching for Australia to Porto flight deals. Data was last updated 23 February 2026.

Round-trip from

$1,456

One-way from

$635

Popular in

December

Cheapest in

February

Average price

$1,481
Etihad Airways
  • Etihad Airways
  • 7/4-14/4
  • 4 total stops
  • 72h 20m total
  • Australia to Porto
18/3
  • 18/3
  • 3 total stops
  • 45h 55m total
  • Australia to Porto
Highest demand for flights based on searches. 11% potential increase in price ($359 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($127 potential savings vs. average return price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Porto 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 23 February 2026.
Use the filters below to find and compare flights from Australia to Porto that are best for you.

Fly from

Australia

Fly to

Porto

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 7/4

21:30-06:50

2 stops42h 20m

Porto

Tue 14/4

20:10-16:50

2 stops35h 40m

$1,517

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Mon 16/3

18:20-10:50

2 stops27h 30m

Porto

Thu 19/3

20:10-17:00

2 stops33h 50m

$1,584

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

21:45-15:15

2 stops52h 30m

Porto

Thu 19/3

16:05-17:55

2 stops38h 50m

$1,622

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Sun 15/3

00:30-15:10

2 stops49h 40m

Porto

Thu 19/3

16:10-09:25

2 stops54h 15m

$1,663

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Mon 3/8

08:30-09:40

2 stops34h 10m

Porto

Sun 6/9

16:40-06:45

2 stops53h 05m

$1,697

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Mon 6/4

15:55-09:45

2 stops50h 50m

Porto

Mon 13/4

06:30-06:15

2 stops38h 45m

$1,699

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 14/4

15:55-23:30

2 stops40h 35m

Porto

Thu 21/5

06:10-04:40

3 stops37h 30m

$1,734

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Mon 3/8

13:50-09:40

2 stops28h 50m

Porto

Sun 6/9

16:40-09:30

2 stops55h 50m

$1,748

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Mon 6/4

15:10-14:15

2 stops32h 05m

Porto

Mon 13/4

22:00-22:45

2 stops39h 45m

$1,872

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Wed 29/7

13:50-09:40

2 stops52h 50m

Porto

Tue 18/8

10:40-09:30

2 stops37h 50m

$1,882

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 35 results
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Best time to book a flight from Australia to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Australia 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 Australia to Porto

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

Currently, November is the cheapest month in which you can book a flight from Australia to Porto (average of $1,291). Flying from Australia to Porto in December is currently the most expensive (average of $1,948). 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.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated 23 February 2026.
Read reviews from past customers who have flown with KLM, Qatar Airways, andEtihad Airways from Australia to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Australia to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Porto from Australia?

    Located just 10.9 km from the city centre, Porto (OPO) is the airport most travelers will use when flying to Porto from Australia.

  • How long is the flight from Australia to Porto?

    A quick flight from Australia to Porto can take about 32h 05m. Etihad Airways provides one of the quickest options available for as low as $1,872. Airlines will cover a distance of 17738 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as $872 on Etihad Airways. Other airlines that offer cheap prices include Turkish Airlines from $895 and Lufthansa from $1,058 one-way.

  • What are the most popular routes from Australia to Porto?

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Australia to Porto (average of $1,291). Flying from Australia to Porto in December is currently the most expensive (average of $1,948). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Viseu

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Fly from Australia to Porto on these airlines

Choose from the following airlines for your flight from Australia to Porto. Flights are based on user searches made on Cheapflights and were last updated on 23 February 2026.

Top 9 airlines flying from Australia to Porto

Discover the top 9 airlines that operate flights from Australia to Porto. 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,328Average$1,840FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,328Average$1,820FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Japan AirlinesCheapest$1,506Average$1,794FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
KLMCheapest$1,600Average$2,723FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest$1,627Average$1,909FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$1,842Average$2,413FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest$1,859Average$1,895FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,921Average$2,303FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air FranceCheapest$2,086Average$2,614FlexibilityNo cancel feeOn-time77%
Search Air France 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 Australia to Porto?

Cheapflights helps you search for flights from Australia to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Australia.

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

Need flexible booking options for your flight to Porto from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Australia to Porto become cheaper?

Not ready to book yet? You can track prices for flights from Australia to Porto on Cheapflights with our Price Alert feature and get notified when better prices are available.

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