Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Porto from $1,204

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 25/8. 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

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

Logo
19:40 - 06:50SYD-OPO
44h 10m2 stops
Logo
07:35 - 14:50OPO-SYD
46h 15m2 stops
$1,649
Find Deal
Sat, 13 Sep - Fri, 19 Sep
Logo
19:40 - 06:50SYD-OPO
44h 10m2 stops
Logo
07:35 - 14:50OPO-SYD
46h 15m2 stops
$1,659
Find Deal
Sat, 13 Sep - Fri, 19 Sep
Logo
11:00 - 12:00SYD-OPO
34h 00m2 stops
Logo
06:55 - 10:00OPO-SYD
41h 05m2 stops
$1,900
Find Deal
Wed, 3 Sep - Wed, 15 Oct
Logo
10:15 - 23:40SYD-OPO
46h 25m3 stops
Logo
07:20 - 06:10OPO-SYD
37h 50m3 stops
$1,950
Find Deal
Sat, 13 Sep - Fri, 19 Sep
Etihad Airways Logo
21:30 - 19:20SYD-OPO
54h 50m2 stops
Etihad Airways Logo
16:05 - 07:10OPO-SYD
29h 05m2 stops
$1,961Etihad Airways
Find Deal
Thu, 4 Sep - Mon, 6 Oct
Etihad Airways Logo
15:40 - 19:20SYD-OPO
36h 40m2 stops
Etihad Airways Logo
11:35 - 07:10OPO-SYD
33h 35m2 stops
$2,238Etihad Airways
Find Deal
Sun, 31 Aug - Mon, 6 Oct
Turkish Airlines Logo
20:55 - 15:50SYD-OPO
27h 55m2 stops
Turkish Airlines Logo
10:50 - 10:45OPO-SYD
37h 55m2 stops
$2,420Turkish Airlines
Find Deal
Fri, 12 Sep - Wed, 15 Oct
Turkish Airlines Logo
20:55 - 15:50SYD-OPO
27h 55m1 stop
Turkish Airlines Logo
10:50 - 20:00OPO-SYD
47h 10m1 stop
$2,477Turkish Airlines
Find Deal
Tue, 30 Sep - Tue, 7 Oct
United Airlines Logo
09:30 - 09:45SYD-OPO
33h 15m2 stops
United Airlines Logo
06:00 - 07:55OPO-SYD
39h 55m2 stops
$2,701United Airlines
Find Deal
Thu, 4 Sep - Thu, 16 Oct
British Airways Logo
10:20 - 20:35SYD-OPO
43h 15m2 stops
British Airways Logo
09:55 - 07:45OPO-SYD
35h 50m2 stops
$2,813British Airways
Find Deal
Sat, 13 Sep - Thu, 16 Oct

Etihad Airways flights from Sydney to Porto

Our best Etihad Airways deals on Sydney to Porto flight tickets
Etihad Airways
4 Sept
SYD21:30Sydney Kingsford Smith
54h 50m
2 stops
OPO19:20Porto
6 Oct
OPO16:05Porto
29h 05m
2 stops
SYD07:10Sydney Kingsford Smith
$1,961
Find similar
Etihad Airways
31 Aug
SYD15:40Sydney Kingsford Smith
36h 40m
2 stops
OPO19:20Porto
6 Oct
OPO11:35Porto
33h 35m
2 stops
SYD07:10Sydney Kingsford Smith
$2,238
Find similar
Etihad Airways
4 Sept
SYD21:30Sydney Kingsford Smith
46h 20m
2 stops
OPO10:50Porto
7 Oct
OPO11:35Porto
44h 20m
2 stops
SYD17:55Sydney Kingsford Smith
$2,363
Find similar

Turkish Airlines flights from Sydney to Porto

Our best Turkish Airlines deals on Sydney to Porto flight tickets
Turkish Airlines
12 Sept
SYD20:55Sydney Kingsford Smith
27h 55m
2 stops
OPO15:50Porto
15 Oct
OPO10:50Porto
37h 55m
2 stops
SYD10:45Sydney Kingsford Smith
$2,420
Find similar
Turkish Airlines
30 Sept
SYD20:55Sydney Kingsford Smith
27h 55m
1 stop
OPO15:50Porto
7 Oct
OPO10:50Porto
47h 10m
1 stop
SYD20:00Sydney Kingsford Smith
$2,477
Find similar
Turkish Airlines
12 Sept
SYD20:55Sydney Kingsford Smith
27h 55m
2 stops
OPO15:50Porto
16 Oct
OPO16:50Porto
31h 55m
2 stops
SYD10:45Sydney Kingsford Smith
$2,500
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 August 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

Sat 13/9

19:40-06:50

2 stops44h 10m

Porto

Fri 19/9

07:35-14:50

2 stops46h 15m

$1,649

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 13/9

19:40-06:50

2 stops44h 10m

Porto

Fri 19/9

07:35-14:50

2 stops46h 15m

$1,659

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 3/9

11:00-12:00

2 stops34h 00m

Porto

Wed 15/10

06:55-10:00

2 stops41h 05m

$1,900

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 13/9

10:15-23:40

3 stops46h 25m

Porto

Fri 19/9

07:20-06:10

3 stops37h 50m

$1,950

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 4/9

21:30-19:20

2 stops54h 50m

Porto

Mon 6/10

16:05-07:10

2 stops29h 05m

$1,961

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 31/8

15:40-19:20

2 stops36h 40m

Porto

Mon 6/10

11:35-07:10

2 stops33h 35m

$2,238

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 12/9

20:55-15:50

2 stops27h 55m

Porto

Wed 15/10

10:50-10:45

2 stops37h 55m

$2,420

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 30/9

20:55-15:50

1 stop27h 55m

Porto

Tue 7/10

10:50-20:00

1 stop47h 10m

$2,477

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 4/9

09:30-09:45

2 stops33h 15m

Porto

Thu 16/10

06:00-07:55

2 stops39h 55m

$2,701

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 13/9

10:20-20:35

2 stops43h 15m

Porto

Thu 16/10

09:55-07:45

2 stops35h 50m

$2,813

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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, September 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 $1,847. If you aren’t able to travel to Porto during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,857.

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 $2,273. 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 $2,660.

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 $2,196. Flights in the afternoon are often more expensive, with an average ticket price of $2,578.

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 $2,175 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 $1,903 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

Best price found

$1,204

Fastest flight time

27h 55m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from Sydney in the past 72 hours is $1,204. The best return flight deal from Sydney to Porto found on momondo in the last 72 hours is $1,649.
The fastest flight from Sydney to Porto takes 27h 55m
There are no direct flights from Sydney to Porto. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)
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
Etihad AirwaysPriceFrom $1,449Free cancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $1,644Free cancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,766Free cancellationRating
6.8
7,330 reviews
Search Lufthansa flights
SWISSPriceFrom $1,877Free cancellationRating
7.6
1,699 reviews
Search SWISS flights
United AirlinesPriceFrom $2,006Free cancellationRating
7.4
8,925 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $2,188Free cancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
KLMPriceFrom $2,466Free cancellationRating
7.8
1,385 reviews
Search KLM flights
EmiratesPriceFrom $2,656Free cancellationRating
8.1
3,315 reviews
Search Emirates 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
Sat 23/8
Sat 30/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal