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Cheap flights from Sydney to Porto from $703

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 17/8. 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.
Etihad Airways Logo
16:50 - 06:45
SYD
-
OPO
48h 55m
2 stops
Etihad Airways Logo
07:35 - 06:30
OPO
-
SYD
35h 55m
2 stops
$1,792Etihad Airways
Wed, 11 Nov - Sun, 15 Nov
Etihad Airways Logo
16:50 - 06:45
SYD
-
OPO
48h 55m
2 stops
Etihad Airways Logo
07:35 - 06:30
OPO
-
SYD
35h 55m
2 stops
$1,794Etihad Airways
Wed, 11 Nov - Sun, 15 Nov
Etihad Airways Logo
16:50 - 06:45
SYD
-
OPO
48h 55m
2 stops
Etihad Airways Logo
07:35 - 06:30
OPO
-
SYD
35h 55m
2 stops
$1,795Etihad Airways
Wed, 11 Nov - Sun, 15 Nov
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
16:05 - 06:30
OPO
-
SYD
28h 25m
2 stops
$1,868Etihad Airways
Thu, 24 Sep - Sat, 24 Oct
Multiple Airlines Logo
11:00 - 23:20
SYD
-
OPO
45h 20m
2 stops
Multiple Airlines Logo
06:40 - 09:00
OPO
-
SYD
41h 20m
2 stops
$1,879Multiple Airlines
Sat, 15 Aug - Thu, 20 Aug
Multiple Airlines Logo
15:40 - 10:15
SYD
-
OPO
27h 35m
2 stops
Multiple Airlines Logo
21:30 - 14:50
OPO
-
SYD
32h 20m
2 stops
$1,959Multiple Airlines
Tue, 25 Aug - Tue, 1 Sep
Multiple Airlines Logo
20:50 - 08:00
SYD
-
OPO
44h 10m
3 stops
Multiple Airlines Logo
07:00 - 06:30
OPO
-
SYD
37h 30m
3 stops
$2,054Multiple Airlines
Thu, 24 Sep - Sat, 24 Oct
Turkish Airlines Logo
21:05 - 15:40
SYD
-
OPO
27h 35m
1 stop
Turkish Airlines Logo
10:45 - 19:10
OPO
-
SYD
47h 25m
1 stop
$3,432Turkish Airlines
Tue, 1 Sep - Sun, 20 Sep
Turkish Airlines Logo
21:05 - 20:25
SYD
-
OPO
32h 20m
3 stops
Turkish Airlines Logo
10:40 - 10:00
OPO
-
SYD
62h 20m
2 stops
$3,733Turkish Airlines
Wed, 2 Sep - Fri, 2 Oct
Turkish Airlines Logo
21:05 - 15:40
SYD
-
OPO
27h 35m
1 stop
Turkish Airlines Logo
10:45 - 10:00
OPO
-
SYD
38h 15m
2 stops
$3,803Turkish Airlines
Tue, 1 Sep - Sun, 20 Sep

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Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
11 Nov
SYD16:50Sydney Kingsford Smith
48h 55m
2 stops
OPO06:45Porto
15 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,792
Etihad Airways
11 Nov
SYD16:50Sydney Kingsford Smith
48h 55m
2 stops
OPO06:45Porto
15 Nov
OPO07:35Porto
35h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,794
Etihad Airways
11 Nov
SYD16:50Sydney Kingsford Smith
48h 55m
2 stops
OPO06:45Porto
15 Nov
OPO11:35Porto
31h 55m
2 stops
SYD06:30Sydney Kingsford Smith
$1,795

Emirates flights from Sydney to Porto

Our best Emirates deals on Sydney to Porto flight tickets
Emirates
8 Sept
SYD06:00Sydney Kingsford Smith
46h 00m
2 stops
OPO19:00Porto
15 Sept
OPO10:00Porto
46h 30m
2 stops
SYD17:30Sydney Kingsford Smith
$3,234
Emirates
7 Sept
SYD06:00Sydney Kingsford Smith
46h 00m
2 stops
OPO19:00Porto
14 Sept
OPO18:00Porto
38h 30m
2 stops
SYD17:30Sydney Kingsford Smith
$3,236
Emirates
6 Sept
SYD20:10Sydney Kingsford Smith
37h 30m
2 stops
OPO00:40Porto
13 Sept
OPO16:00Porto
45h 05m
2 stops
SYD22:05Sydney Kingsford Smith
$3,772

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 July 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

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 11/11

16:50-06:45

2 stops48h 55m

Porto

Sun 15/11

07:35-06:30

2 stops35h 55m

$1,792

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 11/11

16:50-06:45

2 stops48h 55m

Porto

Sun 15/11

07:35-06:30

2 stops35h 55m

$1,794

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 11/11

16:50-06:45

2 stops48h 55m

Porto

Sun 15/11

07:35-06:30

2 stops35h 55m

$1,795

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 24/9

20:50-06:50

2 stops43h 00m

Porto

Sat 24/10

16:05-06:30

2 stops28h 25m

$1,868

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 15/8

11:00-23:20

2 stops45h 20m

Porto

Thu 20/8

06:40-09:00

2 stops41h 20m

$1,879
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 25/8

15:40-10:15

2 stops27h 35m

Porto

Tue 1/9

21:30-14:50

2 stops32h 20m

$1,959

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 24/9

20:50-08:00

3 stops44h 10m

Porto

Sat 24/10

07:00-06:30

3 stops37h 30m

$2,054

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 1/9

21:05-15:40

1 stop27h 35m

Porto

Sun 20/9

10:45-19:10

1 stop47h 25m

$3,432

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 2/9

21:05-20:25

3 stops32h 20m

Porto

Fri 2/10

10:40-10:00

2 stops62h 20m

$3,733

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 1/9

21:05-15:40

1 stop27h 35m

Porto

Sun 20/9

10:45-10:00

2 stops38h 15m

$3,803

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?

Prices are currently low for flights on this route.

Typical prices usually range from $2,407 to $2,910.
The lowest price recently found on this route was $1,792.

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 $1,501.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 19% 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 July 2026, prices for Sydney to Porto flights are approximately 28% 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 $1,207Free cancellationRating
8.3
1,881 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,380Free cancellationRating
7.3
1,492 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $1,685Free cancellationRating
7.3
3,743 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,701Free cancellationRating
7.4
4,454 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,917Free cancellationRating
7.4
10,045 reviews
Search United Airlines flights
LufthansaPriceFrom $1,946Free cancellationRating
6.8
8,162 reviews
Search Lufthansa flights
Air FrancePriceFrom $1,975Free cancellationRating
7.5
1,627 reviews
Search Air France flights
KLMPriceFrom $2,264Free cancellationRating
7.8
1,550 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
Braga
Vila Nova de Gaia
Baiao

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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