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Cheap flights from Sydney to Porto from $866

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 13/5. 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.
Multiple Airlines Logo
20:40 - 19:20
SYD
-
OPO
33h 40m2 stops
Multiple Airlines Logo
16:05 - 12:00
OPO
-
SYD
32h 55m2 stops
$1,454Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Etihad Airways Logo
21:45 - 06:50
SYD
-
OPO
44h 05m2 stops
Etihad Airways Logo
20:10 - 17:55
OPO
-
SYD
34h 45m2 stops
$1,561Etihad Airways
Thu, 29 Jan - Thu, 5 Feb
Etihad Airways Logo
21:45 - 10:50
SYD
-
OPO
48h 05m2 stops
Etihad Airways Logo
20:10 - 06:35
OPO
-
SYD
47h 25m2 stops
$1,573Etihad Airways
Fri, 23 Jan - Fri, 6 Feb
Turkish Airlines Logo
11:40 - 09:40
SYD
-
OPO
31h 00m2 stops
Turkish Airlines Logo
16:40 - 09:45
OPO
-
SYD
32h 05m2 stops
$1,585Turkish Airlines
Wed, 13 May - Wed, 20 May
Etihad Airways Logo
21:45 - 06:50
SYD
-
OPO
44h 05m2 stops
Etihad Airways Logo
11:35 - 06:35
OPO
-
SYD
32h 00m2 stops
$1,649Etihad Airways
Thu, 12 Mar - Mon, 16 Mar
Etihad Airways Logo
21:45 - 10:50
SYD
-
OPO
48h 05m2 stops
Etihad Airways Logo
11:35 - 06:35
OPO
-
SYD
32h 00m2 stops
$1,652Etihad Airways
Thu, 12 Mar - Mon, 16 Mar
Etihad Airways Logo
21:45 - 06:50
SYD
-
OPO
44h 05m2 stops
Etihad Airways Logo
11:35 - 06:35
OPO
-
SYD
32h 00m2 stops
$1,653Etihad Airways
Thu, 12 Mar - Mon, 16 Mar
Multiple Airlines Logo
11:40 - 09:40
SYD
-
OPO
31h 00m2 stops
Multiple Airlines Logo
16:40 - 05:10
OPO
-
SYD
27h 30m2 stops
$1,685Multiple Airlines
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
20:30 - 10:50
SYD
-
OPO
47h 20m2 stops
Multiple Airlines Logo
08:55 - 09:00
OPO
-
SYD
39h 05m2 stops
$1,694Multiple Airlines
Sun, 12 Apr - Tue, 12 May
Multiple Airlines Logo
20:30 - 10:50
SYD
-
OPO
47h 20m2 stops
Multiple Airlines Logo
08:55 - 09:00
OPO
-
SYD
39h 05m2 stops
$1,709Multiple Airlines
Sun, 12 Apr - Tue, 12 May

Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
23 Jan
SYD21:45Sydney Kingsford Smith
48h 05m
2 stops
OPO10:50Porto
6 Feb
OPO20:10Porto
47h 25m
2 stops
SYD06:35Sydney Kingsford Smith
$1,573
Find similar
Etihad Airways
12 Mar
SYD21:45Sydney Kingsford Smith
48h 05m
2 stops
OPO10:50Porto
16 Mar
OPO07:35Porto
36h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,644
Find similar
Etihad Airways
12 Mar
SYD21:45Sydney Kingsford Smith
44h 05m
2 stops
OPO06:50Porto
16 Mar
OPO11:35Porto
32h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,649
Find similar

Air Canada flights from Sydney to Porto

Our best Air Canada deals on Sydney to Porto flight tickets
Air Canada
13 May
SYD09:20Sydney Kingsford Smith
57h 25m
3 stops
OPO09:45Porto
20 May
OPO08:40Porto
37h 40m
3 stops
SYD07:20Sydney Kingsford Smith
$12,080
Find similar
Air Canada
13 May
SYD09:20Sydney Kingsford Smith
57h 25m
3 stops
OPO09:45Porto
20 May
OPO08:40Porto
37h 40m
3 stops
SYD07:20Sydney Kingsford Smith
$12,097
Find similar

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 18 December 2025.
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

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 30/1

20:40-19:20

2 stops33h 40m

Porto

Fri 6/2

16:05-12:00

2 stops32h 55m

$1,454

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 29/1

21:45-06:50

2 stops44h 05m

Porto

Thu 5/2

20:10-17:55

2 stops34h 45m

$1,561

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 23/1

21:45-10:50

2 stops48h 05m

Porto

Fri 6/2

20:10-06:35

2 stops47h 25m

$1,573

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 13/5

11:40-09:40

2 stops31h 00m

Porto

Wed 20/5

16:40-09:45

2 stops32h 05m

$1,585

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

21:45-06:50

2 stops44h 05m

Porto

Mon 16/3

11:35-06:35

2 stops32h 00m

$1,649

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

21:45-10:50

2 stops48h 05m

Porto

Mon 16/3

11:35-06:35

2 stops32h 00m

$1,652

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 12/3

21:45-06:50

2 stops44h 05m

Porto

Mon 16/3

11:35-06:35

2 stops32h 00m

$1,653

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 13/5

11:40-09:40

2 stops31h 00m

Porto

Wed 20/5

16:40-05:10

2 stops27h 30m

$1,685

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 12/4

20:30-10:50

2 stops47h 20m

Porto

Tue 12/5

08:55-09:00

2 stops39h 05m

$1,694

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 12/4

20:30-10:50

2 stops47h 20m

Porto

Tue 12/5

08:55-09:00

2 stops39h 05m

$1,709

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 day to depart on your flight to Porto?

Our data shows that Tuesday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $2,237. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Porto for around $2,618.

What is the cheapest time of day to depart on your flight to Porto?

Our most recent data shows that the best time of day to fly to Porto is in the evening. Flights from Sydney to Porto during this time can be as low as $2,161. Flights in the afternoon are often more expensive, with an average ticket price of $2,537.

How far in advance should I book a flight 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 $2,083 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 $1,786 on momondo.

How have Sydney to Porto flight prices changed over time?

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

31h 00m

Direct flights

None
The fastest flight from Sydney to Porto takes 31h 00m
There are no direct flights from Sydney to Porto. There are no popular flight routes from Sydney to Porto.
Search flight deals

  • 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 31h 00m, 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 $1,277Free cancellationRating
8.3
1,662 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,442Free cancellationRating
7.4
1,333 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,689Free cancellationRating
7.3
4,103 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,738Free cancellationRating
6.8
7,637 reviews
Search Lufthansa flights
SWISSPriceFrom $1,831Free cancellationRating
7.5
1,815 reviews
Search SWISS flights
United AirlinesPriceFrom $1,974Free cancellationRating
7.4
9,095 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,272Free cancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
KLMPriceFrom $2,427Free cancellationRating
7.7
1,428 reviews
Search KLM flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
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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