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Cheap flights from Australia to Porto from $688

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Porto departing on 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Porto

Recent return flight deals from Australia to Porto

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 06:50SYD  Sydney Kingsford Smith-OPO Porto
44h 10m2 stops Beijing Capital Madrid Barajas
Multiple Airlines Logo
07:35 - 15:50OPO  Porto-SYD Sydney Kingsford Smith
46h 15m2 stops Madrid Barajas Beijing Capital
$1,512Multiple Airlines
Sat, 3 Oct - Sun, 18 Oct
Multiple Airlines Logo
12:00 - 12:35SYD  Sydney Kingsford Smith-OPO Porto
35h 35m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
12:00 - 10:00OPO  Porto-SYD Sydney Kingsford Smith
35h 00m3 stops Lisbon Humberto Delgado London Heathrow Shanghai Pu Dong
$1,673Multiple Airlines
Fri, 13 Nov - Sat, 28 Nov
Etihad Airways Logo
21:30 - 19:20SYD  Sydney Kingsford Smith-OPO Porto
56h 50m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
07:35 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
35h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,706Etihad Airways
Fri, 13 Nov - Sat, 28 Nov
Etihad Airways Logo
21:30 - 15:15SYD  Sydney Kingsford Smith-OPO Porto
52h 45m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
20:10 - 17:45OPO  Porto-SYD Sydney Kingsford Smith
58h 35m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,739Etihad Airways
Mon, 16 Nov - Mon, 30 Nov
Turkish Airlines Logo
21:05 - 15:40SYD  Sydney Kingsford Smith-OPO Porto
27h 35m2 stops Kuala Lumpur Intl Istanbul
Turkish Airlines Logo
06:30 - 19:10OPO  Porto-SYD Sydney Kingsford Smith
27h 40m2 stops Istanbul Kuala Lumpur Intl
$2,219Turkish Airlines
Tue, 8 Sep - Mon, 14 Sep
Qatar Airways Logo
21:55 - 21:15BNE  Brisbane-OPO Porto
33h 20m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
08:45 - 17:30OPO  Porto-BNE Brisbane
46h 45m2 stops Barcelona-El Prat Doha Hamad Intl
$2,241Qatar Airways
Wed, 18 Nov - Sun, 22 Nov
Qatar Airways Logo
21:55 - 21:15BNE  Brisbane-OPO Porto
33h 20m2 stops Doha Hamad Intl Barcelona-El Prat
Qatar Airways Logo
08:45 - 17:30OPO  Porto-BNE Brisbane
46h 45m2 stops Barcelona-El Prat Doha Hamad Intl
$2,243Qatar Airways
Wed, 18 Nov - Sun, 22 Nov
United Airlines Logo
11:40 - 09:30BNE  Brisbane-OPO Porto
55h 50m2 stops San Francisco Newark
United Airlines Logo
12:35 - 07:30OPO  Porto-BNE Brisbane
56h 55m2 stops Newark San Francisco
$2,265United Airlines
Mon, 16 Nov - Fri, 20 Nov
Turkish Airlines Logo
10:00 - 15:40SYD  Sydney Kingsford Smith-OPO Porto
62h 40m2 stops Bangkok Suvarnabhumi Istanbul
Turkish Airlines Logo
06:30 - 19:10OPO  Porto-SYD Sydney Kingsford Smith
27h 40m2 stops Istanbul Kuala Lumpur Intl
$2,387Turkish Airlines
Tue, 8 Sep - Mon, 14 Sep
KLM Logo
10:10 - 10:55SYD  Sydney Kingsford Smith-OPO Porto
33h 45m3 stops Denpasar Bali Ngurah Rai Singapore Changi Amsterdam Schiphol
KLM Logo
16:20 - 07:30OPO  Porto-SYD Sydney Kingsford Smith
29h 10m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$4,899KLM
Sat, 3 Oct - Sun, 18 Oct

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Etihad Airways flights from Australia to Porto

Our best Etihad Airways deals on Australia to Porto flight tickets
Etihad Airways
13 Nov
SYD21:30Sydney Kingsford Smith
56h 50m
2 stops
OPO19:20Porto
28 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,706
Etihad Airways
16 Nov
SYD21:30Sydney Kingsford Smith
52h 45m
2 stops
OPO15:15Porto
30 Nov
OPO20:10Porto
58h 35m
2 stops
SYD17:45Sydney Kingsford Smith
$1,739
Etihad Airways
8 Oct
SYD21:35Sydney Kingsford Smith
43h 15m
2 stops
OPO06:50Porto
24 Oct
OPO16:05Porto
28h 25m
2 stops
SYD06:30Sydney Kingsford Smith
$1,776

United Airlines flights from Australia to Porto

Our best United Airlines deals on Australia to Porto flight tickets
United Airlines
16 Nov
BNE11:40Brisbane
55h 50m
2 stops
OPO09:30Porto
20 Nov
OPO12:35Porto
56h 55m
2 stops
BNE07:30Brisbane
$2,265
United Airlines
16 Nov
BNE11:40Brisbane
55h 50m
2 stops
OPO09:30Porto
20 Nov
OPO12:35Porto
56h 55m
2 stops
BNE07:30Brisbane
$2,394

momondo 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, momondo users made 78,305 searches. Data last updated 15 August 2026.
Use the filters below to find and compare flights from Australia to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 3/10

19:40-06:50

2 stops44h 10m

Porto

Sun 18/10

07:35-15:50

2 stops46h 15m

$1,512

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 13/11

12:00-12:35

2 stops35h 35m

Porto

Sat 28/11

12:00-10:00

3 stops35h 00m

$1,673

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Fri 13/11

21:30-19:20

2 stops56h 50m

Porto

Sat 28/11

07:35-06:30

2 stops35h 55m

$1,706

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Mon 16/11

21:30-15:15

2 stops52h 45m

Porto

Mon 30/11

20:10-17:45

2 stops58h 35m

$1,739
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 8/9

21:05-15:40

2 stops27h 35m

Porto

Mon 14/9

06:30-19:10

2 stops27h 40m

$2,219

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Wed 18/11

21:55-21:15

2 stops33h 20m

Porto

Sun 22/11

08:45-17:30

2 stops46h 45m

$2,241

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Wed 18/11

21:55-21:15

2 stops33h 20m

Porto

Sun 22/11

08:45-17:30

2 stops46h 45m

$2,243

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Mon 16/11

11:40-09:30

2 stops55h 50m

Porto

Fri 20/11

12:35-07:30

2 stops56h 55m

$2,265

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 8/9

10:00-15:40

2 stops62h 40m

Porto

Mon 14/9

06:30-19:10

2 stops27h 40m

$2,387

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sat 3/10

10:10-10:55

3 stops33h 45m

Porto

Sun 18/10

16:20-07:30

3 stops29h 10m

$4,899

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Australia to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

In general, November is the cheapest month to fly from Australia to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,395. If you aren’t able to travel to Porto during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,484.

Can stopping save me money on Australia to Porto flights?

You could potentially save up to 20% on your flight if you consider stops on a Australia to Porto flight.

Cheap Australia to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Porto

Fastest flight time

27h 15m

Direct flights

None
The fastest flight from Australia to Porto takes 27h 15m
There are no direct flights from Australia to Porto. There are no popular flight routes from Australia to Porto.
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Frequently asked questions about flying from Australia to Porto

  • When did momondo last update prices for flights from Australia to Porto Airport?

    Prices for flights from Australia to Porto Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Porto Airport?

  • How old do you have to be to fly from Australia to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Porto

Compare and see reviews for airlines that fly from Australia to Porto with momondo
Airline
Rating
Free cancellation
Price
Japan AirlinesPriceFrom $1,193Free cancellationRating
8.3
1,903 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,369Free cancellationRating
7.3
1,505 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,385Free cancellationRating
7.4
4,474 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,666Free cancellationRating
7.4
3,739 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,895Free cancellationRating
7.4
10,110 reviews
Search United Airlines flights
LufthansaPriceFrom $1,924Free cancellationRating
6.8
8,194 reviews
Search Lufthansa flights
Air FrancePriceFrom $1,952Free cancellationRating
7.5
1,644 reviews
Search Air France flights
KLMPriceFrom $2,239Free cancellationRating
7.8
1,559 reviews
Search KLM flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Aveiro
Vila Nova de Gaia
Braga
Viseu
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Australia.

Can I find flights from Australia to Porto with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Porto from Australia with this policy.

How can momondo help me find flights from Australia to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Australia to Porto.

I’m not ready to book a flight from Australia to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Australia to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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