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$837 Cheap flights to Porto

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Find the cheapest flights from Australia to Porto

Cheap return flights

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Etihad Airways Logo
21:30 - 06:45SYD  Sydney Kingsford Smith-OPO Porto
44h 15m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
16:05 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
27h 25m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,466Etihad Airways
Thu, 5 Nov - Wed, 18 Nov
Etihad Airways Logo
16:50 - 13:30SYD  Sydney Kingsford Smith-OPO Porto
31h 40m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado
Etihad Airways Logo
20:10 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,541Etihad Airways
Sun, 22 Nov - Tue, 1 Dec
Turkish Airlines Logo
16:40 - 15:50SYD  Sydney Kingsford Smith-OPO Porto
33h 10m2 stops Abu Dhabi Zayed Intl Istanbul
Turkish Airlines Logo
16:25 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
51h 05m2 stops Istanbul Abu Dhabi Zayed Intl
$1,786Turkish Airlines
Sun, 18 Oct - Fri, 30 Oct
Multiple Airlines Logo
16:40 - 10:00SYD  Sydney Kingsford Smith-OPO Porto
27h 20m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado
Multiple Airlines Logo
15:35 - 06:35OPO  Porto-SYD Sydney Kingsford Smith
53h 00m2 stops Zurich Abu Dhabi Zayed Intl
$1,812Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Multiple Airlines Logo
11:10 - 10:50BNE  Brisbane-OPO Porto
33h 40m2 stops Shanghai Pu Dong Madrid Barajas
Multiple Airlines Logo
06:30 - 09:00OPO  Porto-BNE Brisbane
40h 30m2 stops London Gatwick Shanghai Pu Dong
$1,823Multiple Airlines
Wed, 28 Oct - Wed, 4 Nov
Turkish Airlines Logo
22:05 - 15:40SYD  Sydney Kingsford Smith-OPO Porto
27h 35m2 stops Kuala Lumpur Intl Istanbul
Turkish Airlines Logo
16:50 - 20:10OPO  Porto-SYD Sydney Kingsford Smith
41h 20m2 stops Istanbul Kuala Lumpur Intl
$1,937Turkish Airlines
Tue, 13 Oct - Tue, 20 Oct
Qatar Airways Logo
15:10 - 07:40BNE  Brisbane-OPO Porto
50h 30m2 stops Doha Hamad Intl Madrid Barajas
Qatar Airways Logo
20:40 - 22:55OPO  Porto-BNE Brisbane
40h 15m2 stops Madrid Barajas Doha Hamad Intl
$1,969Qatar Airways
Fri, 26 Feb - Tue, 2 Mar
Qatar Airways Logo
15:10 - 07:40BNE  Brisbane-OPO Porto
50h 30m2 stops Doha Hamad Intl Madrid Barajas
Qatar Airways Logo
20:40 - 22:55OPO  Porto-BNE Brisbane
40h 15m2 stops Madrid Barajas Doha Hamad Intl
$1,977Qatar Airways
Fri, 26 Feb - Tue, 2 Mar
KLM Logo
11:50 - 10:30SYD  Sydney Kingsford Smith-OPO Porto
33h 40m2 stops Kuala Lumpur Intl Amsterdam Schiphol
KLM Logo
16:10 - 07:25OPO  Porto-SYD Sydney Kingsford Smith
28h 15m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$2,211KLM
Thu, 5 Nov - Wed, 18 Nov
KLM Logo
16:10 - 15:25BNE  Brisbane-OPO Porto
33h 15m3 stops Denpasar Bali Ngurah Rai Singapore Changi Amsterdam Schiphol
KLM Logo
11:30 - 05:55OPO  Porto-BNE Brisbane
56h 25m2 stops Paris Charles de Gaulle Singapore Changi
$2,493KLM
Sun, 1 Nov - Sun, 8 Nov

momondo Fare Finder

 
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 5/11

21:30-06:45

2 stops44h 15m

Porto

Wed 18/11

16:05-06:30

2 stops27h 25m

$1,466

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 22/11

16:50-13:30

2 stops31h 40m

Porto

Tue 1/12

20:10-06:30

2 stops47h 20m

$1,541

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Sun 18/10

16:40-15:50

2 stops33h 10m

Porto

Fri 30/10

16:25-06:30

2 stops51h 05m

$1,786

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 13/10

16:40-10:00

2 stops27h 20m

Porto

Tue 20/10

15:35-06:35

2 stops53h 00m

$1,812

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Wed 28/10

11:10-10:50

2 stops33h 40m

Porto

Wed 4/11

06:30-09:00

2 stops40h 30m

$1,823

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Tue 13/10

22:05-15:40

2 stops27h 35m

Porto

Tue 20/10

16:50-20:10

2 stops41h 20m

$1,937

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Fri 26/2

15:10-07:40

2 stops50h 30m

Porto

Tue 2/3

20:40-22:55

2 stops40h 15m

$1,969

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Fri 26/2

15:10-07:40

2 stops50h 30m

Porto

Tue 2/3

20:40-22:55

2 stops40h 15m

$1,977
Fastest return journey

SydneyPorto

SYD Sydney Kingsford Smith - OPO Porto

SYDOPO

Sydney Kingsford Smith

Thu 5/11

11:50-10:30

2 stops33h 40m

Porto

Wed 18/11

16:10-07:25

3 stops28h 15m

$2,211

BrisbanePorto

BNE Brisbane - OPO Porto

BNEOPO

Brisbane

Sun 1/11

16:10-15:25

3 stops33h 15m

Porto

Sun 8/11

11:30-05:55

2 stops56h 25m

$2,493

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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Porto flights insights and trends

Explore insights for your Porto flight to craft the best travel plan

What is the cheapest month to fly to Porto?

In general, February 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 $1,475. If you aren’t able to travel to Porto during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,573.

Cheapest flights to Porto

Find the cheapest flights to Porto from your nearest city or airport
Find flights from Sydney to Porto
CHEAPEST MONTH TO FLY TO PORTO FROM SYDNEYFebruary26% cheaperFlying from Sydney to Porto costs on average just $1,475 in February
MOST EXPENSIVE MONTH TO FLY TO PORTO FROM SYDNEYDecember43% more expensiveIt costs about $2,833 for flights to Porto from Sydney in December
MOST POPULAR MONTH TO FLY TO PORTO FROM SYDNEYMay1,014% more users visitedMore momondo users searched in flights to Porto from Sydney in May than any other month

Cheap Porto flight deals and tips

Summary info about Porto flight prices, duration and airlines

Best One-Way Price

$906

Best Round-Trip Price

$1,466

Fastest flight time

26h 30m
The best one-way flight price to Porto from Australia in the last 5 days is $906 (Sydney Kingsford Smith to Porto).
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The best return flight price to Porto from Australia in the last 5 days is $1,466 (Sydney Kingsford Smith to Porto).
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The fastest flight to Porto from Australia takes 26h 30m (Melbourne to Porto).
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Frequently asked questions about flying to Porto

What is there to do in Porto when it’s raining?

Users planning a flight to Porto during the months of January, February, or October should anticipate rain. There are still things to do in Porto even when it's raining, though. While in Porto you will find Palácio da Bolsa nearby which is a great museum to visit when you’re looking for things to do indoors.

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

Prices for flights to Porto Airport are updated daily.

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

The number of operators available for flights to Porto Airport is 7 as of September 2026.

How old do you have to be to fly to Porto Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Porto Airport.

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

The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Porto?

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

Why use momondo?

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

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

momondo does allow users to show only those flights to Porto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Porto?

momondo provides multiple filters to help you find the best flight to Porto. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Porto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular Flights to Porto

Sydney Kingsford Smith to Porto Flightsfrom $1,039
Melbourne to Porto Flightsfrom $1,232
Brisbane to Porto Flightsfrom $1,611