Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Porto from $610

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 27/10. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Porto

Cheap return flights

Etihad Airways Logo
21:30 - 06:50SYD-OPO
44h 20m2 stops
Etihad Airways Logo
07:35 - 06:35OPO-SYD
36h 00m2 stops
$1,467Etihad Airways
Find Deal
Thu, 6 Nov - Sat, 22 Nov
Etihad Airways Logo
16:35 - 10:00SYD-OPO
28h 25m2 stops
Etihad Airways Logo
07:35 - 06:35OPO-SYD
36h 00m2 stops
$1,606Etihad Airways
Find Deal
Sun, 18 Jan - Fri, 30 Jan
Logo
11:30 - 10:55SYD-OPO
33h 25m2 stops
Logo
10:55 - 07:55OPO-SYD
34h 00m2 stops
$1,649
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Turkish Airlines Logo
22:05 - 15:10SYD-OPO
28h 05m2 stops
Turkish Airlines Logo
16:10 - 19:20OPO-SYD
40h 10m2 stops
$1,685Turkish Airlines
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Logo
11:30 - 10:55SYD-OPO
33h 25m2 stops
Logo
10:55 - 07:55OPO-SYD
34h 00m2 stops
$1,690
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Logo
20:05 - 23:45SYD-OPO
38h 40m3 stops
Logo
05:30 - 19:50OPO-SYD
27h 20m2 stops
$1,846
Find Deal
Sun, 26 Oct - Sun, 2 Nov
United Airlines Logo
10:20 - 09:30SYD-OPO
34h 10m2 stops
United Airlines Logo
12:35 - 09:05OPO-SYD
33h 30m2 stops
$2,007United Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
United Airlines Logo
10:20 - 09:30SYD-OPO
34h 10m2 stops
United Airlines Logo
12:35 - 09:05OPO-SYD
33h 30m2 stops
$2,010United Airlines
Find Deal
Tue, 10 Mar - Sat, 14 Mar
KLM Logo
15:55 - 10:30SYD-OPO
29h 35m2 stops
KLM Logo
16:10 - 07:25OPO-SYD
28h 15m3 stops
$2,479KLM
Find Deal
Sun, 18 Jan - Fri, 30 Jan
KLM Logo
12:45 - 10:30SYD-OPO
32h 45m3 stops
KLM Logo
16:10 - 07:25OPO-SYD
28h 15m3 stops
$2,835KLM
Find Deal
Sun, 18 Jan - Fri, 30 Jan

Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
6 Nov
SYD21:30Sydney Kingsford Smith
44h 20m
2 stops
OPO06:50Porto
22 Nov
OPO07:35Porto
36h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,467
Find similar
Etihad Airways
18 Jan
SYD16:35Sydney Kingsford Smith
28h 25m
2 stops
OPO10:00Porto
30 Jan
OPO07:35Porto
36h 00m
2 stops
SYD06:35Sydney Kingsford Smith
$1,606
Find similar

United Airlines flights from Sydney to Porto

Our best United Airlines deals on Sydney to Porto flight tickets
United Airlines
10 Mar
SYD10:20Sydney Kingsford Smith
34h 10m
2 stops
OPO09:30Porto
14 Mar
OPO12:35Porto
33h 30m
2 stops
SYD09:05Sydney Kingsford Smith
$2,007
Find similar
United Airlines
10 Mar
SYD10:20Sydney Kingsford Smith
34h 10m
2 stops
OPO09:30Porto
14 Mar
OPO12:35Porto
33h 30m
2 stops
SYD09:05Sydney Kingsford Smith
$2,010
Find similar
United Airlines
10 Mar
SYD10:20Sydney Kingsford Smith
34h 10m
2 stops
OPO09:30Porto
14 Mar
OPO12:35Porto
33h 30m
2 stops
SYD09:05Sydney Kingsford Smith
$2,013
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 13 September 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

Thu 6/11

21:30-06:50

2 stops44h 20m

Porto

Sat 22/11

07:35-06:35

2 stops36h 00m

$1,467

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 18/1

16:35-10:00

2 stops28h 25m

Porto

Fri 30/1

07:35-06:35

2 stops36h 00m

$1,606

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 26/10

11:30-10:55

2 stops33h 25m

Porto

Sun 2/11

10:55-07:55

2 stops34h 00m

$1,649

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 26/10

22:05-15:10

2 stops28h 05m

Porto

Sun 2/11

16:10-19:20

2 stops40h 10m

$1,685

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 26/10

11:30-10:55

2 stops33h 25m

Porto

Sun 2/11

10:55-07:55

2 stops34h 00m

$1,690

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 26/10

20:05-23:45

3 stops38h 40m

Porto

Sun 2/11

05:30-19:50

2 stops27h 20m

$1,846

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 10/3

10:20-09:30

2 stops34h 10m

Porto

Sat 14/3

12:35-09:05

2 stops33h 30m

$2,007

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 10/3

10:20-09:30

2 stops34h 10m

Porto

Sat 14/3

12:35-09:05

2 stops33h 30m

$2,010

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 18/1

15:55-10:30

2 stops29h 35m

Porto

Fri 30/1

16:10-07:25

3 stops28h 15m

$2,479

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 18/1

12:45-10:30

3 stops32h 45m

Porto

Fri 30/1

16:10-07:25

3 stops28h 15m

$2,835

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 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 $1,818. If you aren’t able to travel to Porto during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,833.

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 $2,225. 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 $2,604.

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 $2,150. Flights in the afternoon are often more expensive, with an average ticket price of $2,523.

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 $2,122 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 $1,863 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

Direct flights

None
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 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 $1,270Free cancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
Etihad AirwaysPriceFrom $1,418Free cancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,636Free cancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,729Free cancellationRating
6.8
7,409 reviews
Search Lufthansa flights
SWISSPriceFrom $1,838Free cancellationRating
7.5
1,730 reviews
Search SWISS flights
United AirlinesPriceFrom $1,963Free cancellationRating
7.4
8,936 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,142Free cancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
KLMPriceFrom $2,414Free cancellationRating
7.8
1,385 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

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 13/10
Mon 20/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal