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Cheap flights from Sydney to Porto from $700

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Porto departing on 9/10. 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 Sydney to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:20 - 09:40
SYD
-
OPO
35h 20m
3 stops
Multiple Airlines Logo
16:50 - 05:10
OPO
-
SYD
27h 20m
2 stops
$1,945Multiple Airlines
Thu, 16 Jul - Mon, 24 Aug
Multiple Airlines Logo
07:35 - 09:45
SYD
-
OPO
35h 10m
3 stops
Multiple Airlines Logo
10:40 - 05:10
OPO
-
SYD
33h 30m
2 stops
$1,948Multiple Airlines
Fri, 24 Jul - Fri, 11 Sep
Multiple Airlines Logo
08:35 - 09:45
SYD
-
OPO
34h 10m
2 stops
Multiple Airlines Logo
10:40 - 05:10
OPO
-
SYD
33h 30m
2 stops
$1,951Multiple Airlines
Fri, 24 Jul - Fri, 11 Sep
Multiple Airlines Logo
07:20 - 09:40
SYD
-
OPO
35h 20m
3 stops
Multiple Airlines Logo
16:50 - 05:10
OPO
-
SYD
27h 20m
2 stops
$1,956Multiple Airlines
Thu, 16 Jul - Mon, 24 Aug
Multiple Airlines Logo
07:20 - 09:40
SYD
-
OPO
35h 20m
3 stops
Multiple Airlines Logo
16:50 - 05:10
OPO
-
SYD
27h 20m
2 stops
$1,963Multiple Airlines
Thu, 16 Jul - Mon, 24 Aug
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
11:35 - 06:35
OPO
-
SYD
33h 00m
2 stops
$1,987Etihad Airways
Mon, 14 Sep - Fri, 16 Oct
Turkish Airlines Logo
11:40 - 15:50
SYD
-
OPO
37h 10m
2 stops
Turkish Airlines Logo
10:40 - 10:40
OPO
-
SYD
38h 00m
2 stops
$1,990Turkish Airlines
Sun, 13 Sep - Tue, 13 Oct
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
16:05 - 06:35
OPO
-
SYD
52h 30m
2 stops
$2,003Etihad Airways
Mon, 14 Sep - Sat, 17 Oct
Multiple Airlines Logo
07:35 - 15:40
SYD
-
OPO
41h 05m
3 stops
Multiple Airlines Logo
10:45 - 06:45
OPO
-
SYD
35h 00m
2 stops
$2,019Multiple Airlines
Tue, 14 Jul - Sun, 13 Sep
Multiple Airlines Logo
07:35 - 09:45
SYD
-
OPO
35h 10m
3 stops
Multiple Airlines Logo
06:10 - 05:10
OPO
-
SYD
38h 00m
2 stops
$2,024Multiple Airlines
Sat, 25 Jul - Thu, 27 Aug

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Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
14 Sept
SYD20:50Sydney Kingsford Smith
43h 00m
2 stops
OPO06:50Porto
16 Oct
OPO11:35Porto
33h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,987
Etihad Airways
14 Sept
SYD20:50Sydney Kingsford Smith
43h 00m
2 stops
OPO06:50Porto
17 Oct
OPO16:05Porto
52h 30m
2 stops
SYD06:35Sydney Kingsford Smith
$2,003
Etihad Airways
18 July
SYD20:50Sydney Kingsford Smith
43h 00m
2 stops
OPO06:50Porto
18 Oct
OPO11:35Porto
33h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$2,083

British Airways flights from Sydney to Porto

Our best British Airways deals on Sydney to Porto flight tickets
British Airways
5 July
SYD14:35Sydney Kingsford Smith
39h 00m
1 stop
OPO20:35Porto
13 Aug
OPO09:55Porto
35h 10m
2 stops
SYD06:05Sydney Kingsford Smith
$2,828
British Airways
5 July
SYD14:35Sydney Kingsford Smith
39h 00m
1 stop
OPO20:35Porto
10 Aug
OPO11:45Porto
33h 20m
2 stops
SYD06:05Sydney Kingsford Smith
$2,838

momondo Fare Finder

 
Customise your flight search to find flights from Sydney 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 28 June 2026.
Use the filters below to find and compare flights from Sydney to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

07:20-09:40

3 stops35h 20m

Porto

Mon 24/8

16:50-05:10

2 stops27h 20m

$1,945

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

07:35-09:45

3 stops35h 10m

Porto

Fri 11/9

10:40-05:10

2 stops33h 30m

$1,948

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

08:35-09:45

2 stops34h 10m

Porto

Fri 11/9

10:40-05:10

2 stops33h 30m

$1,951

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

07:20-09:40

3 stops35h 20m

Porto

Mon 24/8

16:50-05:10

2 stops27h 20m

$1,956

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

07:20-09:40

3 stops35h 20m

Porto

Mon 24/8

16:50-05:10

2 stops27h 20m

$1,963

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 14/9

20:50-06:50

2 stops43h 00m

Porto

Fri 16/10

11:35-06:35

2 stops33h 00m

$1,987

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 13/9

11:40-15:50

2 stops37h 10m

Porto

Tue 13/10

10:40-10:40

2 stops38h 00m

$1,990

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 14/9

20:50-06:50

2 stops43h 00m

Porto

Sat 17/10

16:05-06:35

2 stops52h 30m

$2,003

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

07:35-15:40

3 stops41h 05m

Porto

Sun 13/9

10:45-06:45

2 stops35h 00m

$2,019

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

07:35-09:45

3 stops35h 10m

Porto

Thu 27/8

06:10-05:10

2 stops38h 00m

$2,024

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 Sydney 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 typical price of a round-trip flight between Sydney and Porto?

What is the cheapest month to fly to Porto?

In general, November is the cheapest month to fly from Sydney to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. 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 $1,522.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 10% on your flight if you consider stops on a Sydney to Porto flight.

How have Sydney to Porto flight prices changed over time?

As of June 2026, prices for Sydney to Porto flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Porto (SYD to OPO) flight deals and tips

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

Fastest flight time

27h 35m

Direct flights

None
The fastest flight from Sydney to Porto takes 27h 35m
There are no direct flights from Sydney to Porto. There are no popular flight routes from Sydney to Porto.
Search flight deals

Frequently asked questions about flying from Sydney to Porto

  • How far is Sydney Kingsford Smith to Porto by plane?

    Porto is 18054.7 km away from Sydney Kingsford Smith. Flights usually cover this in 27h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Porto Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Porto Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport 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 from Sydney Kingsford Smith Airport 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.

  • What is the most popular airline from Sydney to Porto?

Best airlines flying from Sydney to Porto

Compare and see reviews for airlines that fly from Sydney to Porto with momondo
Airline
Rating
Free cancellation
Price
Japan AirlinesPriceFrom $1,224Free cancellationRating
8.3
1,851 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,390Free cancellationRating
7.3
1,467 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,725Free cancellationRating
7.4
4,425 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,805Free cancellationRating
6.8
8,102 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $1,915Free cancellationRating
7.3
3,736 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,944Free cancellationRating
7.4
9,900 reviews
Search United Airlines flights
Air FrancePriceFrom $2,003Free cancellationRating
7.5
1,614 reviews
Search Air France flights
KLMPriceFrom $2,296Free cancellationRating
7.8
1,531 reviews
Search KLM flights

Travelling to a place near Porto?

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

Why use momondo?

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

Finding the right flight to Porto from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Sydney to Porto flights to just show those with flexible booking policies.

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

Once all potential Sydney to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Porto trip

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