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Cheap flights from Sydney to Porto from $871

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 8/8. 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
21:30 - 15:15
SYD
-
OPO
52h 45m
2 stops
Etihad Airways Logo
11:35 - 06:35
OPO
-
SYD
32h 00m
2 stops
$1,774Etihad Airways
Tue, 17 Nov - Sat, 21 Nov
Multiple Airlines Logo
14:00 - 15:40
SYD
-
OPO
34h 40m
2 stops
Multiple Airlines Logo
16:40 - 05:10
OPO
-
SYD
27h 30m
2 stops
$1,866Multiple Airlines
Sat, 25 Jul - Thu, 27 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
$1,873Multiple Airlines
Thu, 16 Jul - Mon, 24 Aug
Multiple Airlines Logo
22:15 - 10:00
SYD
-
OPO
44h 45m
2 stops
Multiple Airlines Logo
10:45 - 05:10
OPO
-
SYD
33h 25m
2 stops
$1,876Multiple Airlines
Tue, 14 Jul - Sun, 13 Sep
Etihad Airways Logo
20:50 - 06:50
SYD
-
OPO
43h 00m
2 stops
Etihad Airways Logo
16:05 - 06:10
OPO
-
SYD
29h 05m
2 stops
$1,934Etihad Airways
Thu, 16 Jul - Mon, 24 Aug
Multiple Airlines Logo
11:00 - 10:50
SYD
-
OPO
32h 50m
2 stops
Multiple Airlines Logo
13:00 - 09:00
OPO
-
SYD
35h 00m
2 stops
$1,951Multiple Airlines
Mon, 20 Jul - Tue, 28 Jul
Multiple Airlines Logo
14:45 - 15:50
SYD
-
OPO
58h 05m
2 stops
Multiple Airlines Logo
10:45 - 05:10
OPO
-
SYD
33h 25m
2 stops
$1,960Multiple Airlines
Sun, 23 Aug - Sun, 30 Aug
Multiple Airlines Logo
14:45 - 09:40
SYD
-
OPO
51h 55m
2 stops
Multiple Airlines Logo
16:40 - 05:10
OPO
-
SYD
27h 30m
2 stops
$1,964Multiple Airlines
Sun, 23 Aug - Sun, 30 Aug
Multiple Airlines Logo
14:45 - 15:50
SYD
-
OPO
34h 05m
2 stops
Multiple Airlines Logo
16:40 - 06:55
OPO
-
SYD
52h 15m
2 stops
$1,987Multiple Airlines
Mon, 20 Jul - Wed, 7 Oct
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
$1,999Etihad Airways
Sat, 18 Jul - Sun, 18 Oct

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Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
17 Nov
SYD21:30Sydney Kingsford Smith
52h 45m
2 stops
OPO15:15Porto
21 Nov
OPO11:35Porto
32h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,774
Etihad Airways
16 July
SYD20:50Sydney Kingsford Smith
43h 00m
2 stops
OPO06:50Porto
24 Aug
OPO16:05Porto
29h 05m
2 stops
SYD06:10Sydney Kingsford Smith
$1,934
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
$1,999

Turkish Airlines flights from Sydney to Porto

Our best Turkish Airlines deals on Sydney to Porto flight tickets
Turkish Airlines
24 July
SYD22:10Sydney Kingsford Smith
58h 20m
2 stops
OPO23:30Porto
11 Sept
OPO10:40Porto
62h 20m
2 stops
SYD10:00Sydney Kingsford Smith
$2,245
Turkish Airlines
24 July
SYD22:10Sydney Kingsford Smith
58h 20m
2 stops
OPO23:30Porto
11 Sept
OPO10:40Porto
62h 20m
2 stops
SYD10:00Sydney Kingsford Smith
$2,249
Turkish Airlines
14 July
SYD21:05Sydney Kingsford Smith
27h 35m
1 stop
OPO15:40Porto
13 Sept
OPO10:45Porto
47h 25m
1 stop
SYD19:10Sydney Kingsford Smith
$3,224

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 3 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

Tue 17/11

21:30-15:15

2 stops52h 45m

Porto

Sat 21/11

11:35-06:35

2 stops32h 00m

$1,774
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

14:00-15:40

2 stops34h 40m

Porto

Thu 27/8

16:40-05:10

2 stops27h 30m

$1,866

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

$1,873

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

22:15-10:00

2 stops44h 45m

Porto

Sun 13/9

10:45-05:10

2 stops33h 25m

$1,876

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

20:50-06:50

2 stops43h 00m

Porto

Mon 24/8

16:05-06:10

2 stops29h 05m

$1,934

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 20/7

11:00-10:50

2 stops32h 50m

Porto

Tue 28/7

13:00-09:00

2 stops35h 00m

$1,951

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 23/8

14:45-15:50

2 stops58h 05m

Porto

Sun 30/8

10:45-05:10

2 stops33h 25m

$1,960

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 23/8

14:45-09:40

2 stops51h 55m

Porto

Sun 30/8

16:40-05:10

2 stops27h 30m

$1,964

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 20/7

14:45-15:50

2 stops34h 05m

Porto

Wed 7/10

16:40-06:55

2 stops52h 15m

$1,987

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 18/7

20:50-06:50

2 stops43h 00m

Porto

Sun 18/10

11:35-06:35

2 stops33h 00m

$1,999

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,520.

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 18% 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

34h 05m

Direct flights

None
The fastest flight from Sydney to Porto takes 34h 05m
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 34h 05m, 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 $1,222Free cancellationRating
8.3
1,858 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,388Free cancellationRating
7.3
1,471 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,722Free cancellationRating
7.4
4,438 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,802Free cancellationRating
6.8
8,108 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom $1,912Free cancellationRating
7.3
3,742 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,941Free cancellationRating
7.4
9,927 reviews
Search United Airlines flights
Air FrancePriceFrom $2,000Free cancellationRating
7.5
1,616 reviews
Search Air France flights
KLMPriceFrom $2,293Free cancellationRating
7.8
1,532 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.

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