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Cheap flights from Sydney to Porto from $1,235

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 10/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
16:35 - 15:15SYD-OPO
33h 40m2 stops
Etihad Airways Logo
07:35 - 06:35OPO-SYD
36h 00m2 stops
$1,646Etihad Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Turkish Airlines Logo
12:45 - 15:40SYD-OPO
36h 55m2 stops
Turkish Airlines Logo
10:40 - 09:45OPO-SYD
38h 05m2 stops
$1,663Turkish Airlines
Find Deal
Sun, 29 Mar - Thu, 23 Apr
Turkish Airlines Logo
12:45 - 15:40SYD-OPO
36h 55m2 stops
Turkish Airlines Logo
10:40 - 09:45OPO-SYD
38h 05m2 stops
$1,675Turkish Airlines
Find Deal
Sun, 29 Mar - Thu, 23 Apr
Turkish Airlines Logo
21:15 - 14:40SYD-OPO
28h 25m2 stops
Turkish Airlines Logo
10:40 - 09:45OPO-SYD
38h 05m2 stops
$1,816Turkish Airlines
Find Deal
Sat, 28 Mar - Thu, 23 Apr
Turkish Airlines Logo
21:10 - 15:40SYD-OPO
27h 30m2 stops
Turkish Airlines Logo
05:55 - 19:15OPO-SYD
28h 20m2 stops
$1,823Turkish Airlines
Find Deal
Fri, 1 May - Sat, 30 May
Turkish Airlines Logo
21:15 - 09:55SYD-OPO
47h 40m2 stops
Turkish Airlines Logo
16:30 - 10:45OPO-SYD
31h 15m2 stops
$1,848Turkish Airlines
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Qatar Airways Logo
15:50 - 16:00SYD-OPO
35h 10m2 stops
Qatar Airways Logo
12:25 - 06:50OPO-SYD
31h 25m2 stops
$1,921Qatar Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
Multiple Airlines Logo
12:00 - 15:15SYD-OPO
38h 15m2 stops
Multiple Airlines Logo
07:05 - 06:30OPO-SYD
36h 25m2 stops
$1,944Multiple Airlines
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Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
22:10 - 22:15SYD-OPO
34h 05m3 stops
Multiple Airlines Logo
16:50 - 11:45OPO-SYD
33h 55m3 stops
$2,116Multiple Airlines
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Sun, 29 Mar - Thu, 23 Apr
Multiple Airlines Logo
12:00 - 10:15SYD-OPO
33h 15m2 stops
Multiple Airlines Logo
14:45 - 11:00OPO-SYD
33h 15m3 stops
$2,177Multiple Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan

KLM flights from Sydney to Porto

Our best KLM deals on Sydney to Porto flight tickets
KLM
29 Mar
SYD11:10Sydney Kingsford Smith
33h 45m
3 stops
OPO09:55Porto
23 Apr
OPO16:20Porto
29h 25m
2 stops
SYD06:45Sydney Kingsford Smith
$2,229
Find similar
KLM
29 Mar
SYD11:10Sydney Kingsford Smith
33h 45m
3 stops
OPO09:55Porto
23 Apr
OPO19:00Porto
50h 30m
3 stops
SYD06:30Sydney Kingsford Smith
$3,034
Find similar
KLM
1 May
SYD10:10Sydney Kingsford Smith
33h 45m
3 stops
OPO10:55Porto
30 May
OPO16:20Porto
29h 25m
2 stops
SYD06:45Sydney Kingsford Smith
$3,199
Find similar

Turkish Airlines flights from Sydney to Porto

Our best Turkish Airlines deals on Sydney to Porto flight tickets
Turkish Airlines
29 Mar
SYD12:45Sydney Kingsford Smith
36h 55m
2 stops
OPO15:40Porto
23 Apr
OPO10:40Porto
38h 05m
2 stops
SYD09:45Sydney Kingsford Smith
$1,663
Find similar
Turkish Airlines
29 Mar
SYD12:45Sydney Kingsford Smith
36h 55m
2 stops
OPO15:40Porto
23 Apr
OPO10:40Porto
38h 05m
2 stops
SYD09:45Sydney Kingsford Smith
$1,675
Find similar
Turkish Airlines
28 Mar
SYD21:15Sydney Kingsford Smith
28h 25m
2 stops
OPO14:40Porto
23 Apr
OPO10:40Porto
38h 05m
2 stops
SYD09:45Sydney Kingsford Smith
$1,816
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 2 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

Wed 4/3

16:35-15:15

2 stops33h 40m

Porto

Sun 8/3

07:35-06:35

2 stops36h 00m

$1,646

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 29/3

12:45-15:40

2 stops36h 55m

Porto

Thu 23/4

10:40-09:45

2 stops38h 05m

$1,663

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 29/3

12:45-15:40

2 stops36h 55m

Porto

Thu 23/4

10:40-09:45

2 stops38h 05m

$1,675

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 28/3

21:15-14:40

2 stops28h 25m

Porto

Thu 23/4

10:40-09:45

2 stops38h 05m

$1,816

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 1/5

21:10-15:40

2 stops27h 30m

Porto

Sat 30/5

05:55-19:15

2 stops28h 20m

$1,823

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 4/3

21:15-09:55

2 stops47h 40m

Porto

Sun 8/3

16:30-10:45

2 stops31h 15m

$1,848

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 4/3

15:50-16:00

2 stops35h 10m

Porto

Sun 8/3

12:25-06:50

2 stops31h 25m

$1,921

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 15/1

12:00-15:15

2 stops38h 15m

Porto

Thu 22/1

07:05-06:30

2 stops36h 25m

$1,944

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 29/3

22:10-22:15

3 stops34h 05m

Porto

Thu 23/4

16:50-11:45

3 stops33h 55m

$2,116

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 15/1

12:00-10:15

2 stops33h 15m

Porto

Thu 22/1

14:45-11:00

3 stops33h 15m

$2,177

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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, January 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 $1,710. If you aren’t able to travel to Porto during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,765.

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 $2,260. 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 $2,645.

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 $2,183. Flights in the afternoon are often more expensive, with an average ticket price of $2,563.

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 $2,092 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 $1,828 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

27h 30m

Direct flights

None
The fastest flight from Sydney to Porto takes 27h 30m
There are no direct flights from Sydney to Porto. There are no popular flight routes from Sydney to Porto.
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  • 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 30m, 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 $1,290Free cancellationRating
8.3
1,635 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,457Free cancellationRating
7.4
1,322 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,662Free cancellationRating
7.3
4,072 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,756Free cancellationRating
6.8
7,602 reviews
Search Lufthansa flights
SWISSPriceFrom $1,850Free cancellationRating
7.5
1,798 reviews
Search SWISS flights
United AirlinesPriceFrom $1,994Free cancellationRating
7.4
9,063 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,296Free cancellationRating
7.4
3,679 reviews
Search Qatar Airways flights
KLMPriceFrom $2,452Free cancellationRating
7.7
1,426 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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