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Cheap flights from Sydney to Porto from $836

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 15/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,718Turkish Airlines
Thu, 18 Jun - Mon, 22 Jun
Turkish Airlines Logo
11:45 - 15:10
SYD
-
OPO
38h 25m
2 stops
Turkish Airlines Logo
16:10 - 10:45
OPO
-
SYD
31h 35m
2 stops
$1,721Turkish Airlines
Sun, 1 Nov - Sun, 8 Nov
Turkish Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,724Turkish Airlines
Thu, 18 Jun - Mon, 22 Jun
Multiple Airlines Logo
19:40 - 21:20
SYD
-
OPO
34h 40m
2 stops
Multiple Airlines Logo
13:45 - 14:50
OPO
-
SYD
40h 05m
2 stops
$1,742Multiple Airlines
Fri, 31 Jul - Thu, 10 Sep
Multiple Airlines Logo
19:40 - 21:20
SYD
-
OPO
34h 40m
2 stops
Multiple Airlines Logo
14:05 - 14:50
OPO
-
SYD
39h 45m
2 stops
$1,749Multiple Airlines
Sat, 25 Jul - Wed, 12 Aug
Multiple Airlines Logo
14:45 - 09:40
SYD
-
OPO
27h 55m
2 stops
Multiple Airlines Logo
16:50 - 09:40
OPO
-
SYD
31h 50m
2 stops
$1,753Multiple Airlines
Mon, 7 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:40 - 07:50
SYD
-
OPO
45h 10m
3 stops
Multiple Airlines Logo
10:00 - 14:50
OPO
-
SYD
43h 50m
3 stops
$1,758Multiple Airlines
Sat, 25 Jul - Wed, 12 Aug
Multiple Airlines Logo
14:45 - 09:45
SYD
-
OPO
28h 00m
2 stops
Multiple Airlines Logo
10:40 - 06:45
OPO
-
SYD
35h 05m
2 stops
$1,787Multiple Airlines
Tue, 9 Jun - Tue, 23 Jun
Multiple Airlines Logo
11:40 - 09:40
SYD
-
OPO
31h 00m
2 stops
Multiple Airlines Logo
16:40 - 06:25
OPO
-
SYD
28h 45m
2 stops
$1,789Multiple Airlines
Thu, 4 Jun - Wed, 17 Jun
Multiple Airlines Logo
19:40 - 07:50
SYD
-
OPO
45h 10m
3 stops
Multiple Airlines Logo
11:00 - 14:50
OPO
-
SYD
42h 50m
3 stops
$1,790Multiple Airlines
Fri, 31 Jul - Thu, 10 Sep

Turkish Airlines flights from Sydney to Porto

Our best Turkish Airlines deals on Sydney to Porto flight tickets
Turkish Airlines
18 June
SYD11:40Sydney Kingsford Smith
37h 05m
2 stops
OPO15:45Porto
22 June
OPO10:40Porto
38h 00m
2 stops
SYD09:40Sydney Kingsford Smith
$1,718
Turkish Airlines
1 Nov
SYD11:45Sydney Kingsford Smith
38h 25m
2 stops
OPO15:10Porto
8 Nov
OPO16:10Porto
31h 35m
2 stops
SYD10:45Sydney Kingsford Smith
$1,721
Turkish Airlines
18 June
SYD11:40Sydney Kingsford Smith
37h 05m
2 stops
OPO15:45Porto
22 June
OPO10:40Porto
38h 00m
2 stops
SYD09:40Sydney Kingsford Smith
$1,724

Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
18 July
SYD21:30Sydney Kingsford Smith
42h 20m
2 stops
OPO06:50Porto
18 Oct
OPO16:05Porto
28h 30m
2 stops
SYD06:35Sydney Kingsford Smith
$1,857
Etihad Airways
15 July
SYD15:40Sydney Kingsford Smith
48h 10m
2 stops
OPO06:50Porto
30 Sept
OPO05:05Porto
40h 05m
2 stops
SYD06:10Sydney Kingsford Smith
$1,881
Etihad Airways
20 Sept
SYD15:40Sydney Kingsford Smith
48h 10m
2 stops
OPO06:50Porto
21 Oct
OPO20:10Porto
59h 40m
2 stops
SYD17:50Sydney Kingsford Smith
$1,940

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 21 May 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

Thu 18/6

11:40-15:45

2 stops37h 05m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,718

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 1/11

11:45-15:10

2 stops38h 25m

Porto

Sun 8/11

16:10-10:45

2 stops31h 35m

$1,721

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 18/6

11:40-15:45

2 stops37h 05m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,724

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 31/7

19:40-21:20

2 stops34h 40m

Porto

Thu 10/9

13:45-14:50

2 stops40h 05m

$1,742

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

19:40-21:20

2 stops34h 40m

Porto

Wed 12/8

14:05-14:50

2 stops39h 45m

$1,749
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 7/9

14:45-09:40

2 stops27h 55m

Porto

Mon 21/9

16:50-09:40

2 stops31h 50m

$1,753

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

19:40-07:50

3 stops45h 10m

Porto

Wed 12/8

10:00-14:50

3 stops43h 50m

$1,758

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 9/6

14:45-09:45

2 stops28h 00m

Porto

Tue 23/6

10:40-06:45

2 stops35h 05m

$1,787

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 4/6

11:40-09:40

2 stops31h 00m

Porto

Wed 17/6

16:40-06:25

2 stops28h 45m

$1,789

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 31/7

19:40-07:50

3 stops45h 10m

Porto

Thu 10/9

11:00-14:50

3 stops42h 50m

$1,790

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 January is also cheap. Prices for this month can be found on momondo for an average of $1,465.

How far in advance should I book a flight from Sydney to Porto?

You are more likely to see cheaper flights to Porto from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $1,930 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Sydney for as low as $1,550 on momondo.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 6% 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 May 2026, prices for Sydney to Porto flights are approximately 14% 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 55m

Direct flights

None
The fastest flight from Sydney to Porto takes 27h 55m
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 55m, 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 $1,185Free cancellationRating
8.3
1,825 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,345Free cancellationRating
7.3
1,442 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,637Free cancellationRating
7.4
4,385 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,640Free cancellationRating
6.8
8,018 reviews
Search Lufthansa flights
United AirlinesPriceFrom $1,881Free cancellationRating
7.4
9,747 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,115Free cancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
Air FrancePriceFrom $2,310Free cancellationRating
7.4
1,590 reviews
Search Air France flights
KLMPriceFrom $2,362Free cancellationRating
7.8
1,518 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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