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Cheap flights from Sydney to Porto from $668

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 21/4. 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

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Find the cheapest flights from Sydney to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
15:40 - 15:15
SYD
-
OPO
56h 35m
2 stops
Etihad Airways Logo
11:35 - 16:50
OPO
-
SYD
44h 15m
2 stops
$1,511Etihad Airways
Sun, 10 May - Sun, 24 May
Etihad Airways Logo
16:35 - 19:20
SYD
-
OPO
37h 45m
2 stops
Etihad Airways Logo
20:10 - 17:55
OPO
-
SYD
34h 45m
2 stops
$1,594Etihad Airways
Mon, 16 Mar - Thu, 19 Mar
Etihad Airways Logo
16:35 - 15:15
SYD
-
OPO
33h 40m
2 stops
Etihad Airways Logo
20:10 - 17:55
OPO
-
SYD
34h 45m
2 stops
$1,603Etihad Airways
Mon, 16 Mar - Thu, 19 Mar
Etihad Airways Logo
16:35 - 19:20
SYD
-
OPO
37h 45m
2 stops
Etihad Airways Logo
20:10 - 17:55
OPO
-
SYD
34h 45m
2 stops
$1,607Etihad Airways
Mon, 16 Mar - Thu, 19 Mar
Multiple Airlines Logo
16:15 - 09:55
SYD
-
OPO
52h 40m
2 stops
Multiple Airlines Logo
10:55 - 06:35
OPO
-
SYD
32h 40m
2 stops
$1,639Multiple Airlines
Wed, 4 Mar - Wed, 18 Mar
Multiple Airlines Logo
16:15 - 09:55
SYD
-
OPO
52h 40m
2 stops
Multiple Airlines Logo
10:50 - 08:30
OPO
-
SYD
34h 40m
2 stops
$1,714Multiple Airlines
Mon, 16 Mar - Tue, 24 Mar
Multiple Airlines Logo
11:40 - 09:45
SYD
-
OPO
31h 05m
2 stops
Multiple Airlines Logo
10:45 - 10:20
OPO
-
SYD
38h 35m
2 stops
$1,716Multiple Airlines
Wed, 10 Jun - Fri, 28 Aug
Multiple Airlines Logo
22:10 - 23:30
SYD
-
OPO
34h 20m
2 stops
Multiple Airlines Logo
16:40 - 06:25
OPO
-
SYD
28h 45m
2 stops
$1,727Multiple Airlines
Tue, 28 Jul - Thu, 3 Sep
Multiple Airlines Logo
07:05 - 15:40
SYD
-
OPO
41h 35m
3 stops
Multiple Airlines Logo
10:45 - 05:10
OPO
-
SYD
33h 25m
2 stops
$1,836Multiple Airlines
Sun, 10 May - Sun, 24 May
Multiple Airlines Logo
09:50 - 09:45
SYD
-
OPO
32h 55m
2 stops
Multiple Airlines Logo
10:45 - 06:25
OPO
-
SYD
34h 40m
2 stops
$1,897Multiple Airlines
Fri, 24 Jul - Fri, 11 Sep

Turkish Airlines flights from Sydney to Porto

Our best Turkish Airlines deals on Sydney to Porto flight tickets
Turkish Airlines
1 Apr
SYD12:45Sydney Kingsford Smith
31h 00m
2 stops
OPO09:45Porto
19 Apr
OPO10:45Porto
47h 25m
2 stops
SYD19:10Sydney Kingsford Smith
$2,240
Turkish Airlines
24 June
SYD11:40Sydney Kingsford Smith
37h 00m
2 stops
OPO15:40Porto
4 Aug
OPO16:40Porto
42h 50m
2 stops
SYD20:30Sydney Kingsford Smith
$2,583
Turkish Airlines
24 June
SYD11:40Sydney Kingsford Smith
37h 00m
2 stops
OPO15:40Porto
5 Aug
OPO16:40Porto
66h 50m
2 stops
SYD20:30Sydney Kingsford Smith
$2,619

KLM flights from Sydney to Porto

Our best KLM deals on Sydney to Porto flight tickets
KLM
16 Mar
SYD12:10Sydney Kingsford Smith
33h 20m
2 stops
OPO10:30Porto
24 Mar
OPO16:10Porto
28h 15m
3 stops
SYD07:25Sydney Kingsford Smith
$2,147
KLM
16 Mar
SYD12:45Sydney Kingsford Smith
32h 45m
3 stops
OPO10:30Porto
24 Mar
OPO16:10Porto
28h 15m
3 stops
SYD07:25Sydney Kingsford Smith
$2,449
KLM
30 Mar
SYD07:15Sydney Kingsford Smith
44h 40m
3 stops
OPO17:55Porto
31 May
OPO16:20Porto
29h 05m
2 stops
SYD06:25Sydney Kingsford Smith
$2,566

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 11 February 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

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 10/5

15:40-15:15

2 stops56h 35m

Porto

Sun 24/5

11:35-16:50

2 stops44h 15m

$1,511

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

16:35-19:20

2 stops37h 45m

Porto

Thu 19/3

20:10-17:55

2 stops34h 45m

$1,594

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

16:35-15:15

2 stops33h 40m

Porto

Thu 19/3

20:10-17:55

2 stops34h 45m

$1,603

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

16:35-19:20

2 stops37h 45m

Porto

Thu 19/3

20:10-17:55

2 stops34h 45m

$1,607

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 4/3

16:15-09:55

2 stops52h 40m

Porto

Wed 18/3

10:55-06:35

2 stops32h 40m

$1,639

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 16/3

16:15-09:55

2 stops52h 40m

Porto

Tue 24/3

10:50-08:30

2 stops34h 40m

$1,714

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 10/6

11:40-09:45

2 stops31h 05m

Porto

Fri 28/8

10:45-10:20

2 stops38h 35m

$1,716

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 28/7

22:10-23:30

2 stops34h 20m

Porto

Thu 3/9

16:40-06:25

2 stops28h 45m

$1,727

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 10/5

07:05-15:40

3 stops41h 35m

Porto

Sun 24/5

10:45-05:10

2 stops33h 25m

$1,836

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

09:50-09:45

2 stops32h 55m

Porto

Fri 11/9

10:45-06:25

2 stops34h 40m

$1,897

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?

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 $1,959 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 $1,634 on momondo.

Can stopping save me money on Sydney to Porto flights?

You could potentially save up to 19% 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 February 2026, prices for Sydney to Porto flights are approximately 42% 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

31h 05m

Direct flights

None
The fastest flight from Sydney to Porto takes 31h 05m
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 05m, 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 $1,350Free cancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
Japan AirlinesPriceFrom $1,508Free cancellationRating
8.3
1,703 reviews
Search Japan Airlines flights
Turkish AirlinesPriceFrom $1,604Free cancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $1,653Free cancellationRating
6.8
7,779 reviews
Search Lufthansa flights
United AirlinesPriceFrom $1,846Free cancellationRating
7.4
9,274 reviews
Search United Airlines flights
British AirwaysPriceFrom $1,862Free cancellationRating
6.7
7,731 reviews
Search British Airways flights
Air FrancePriceFrom $2,090Free cancellationRating
7.4
1,531 reviews
Search Air France flights
Qatar AirwaysPriceFrom $2,135Free cancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
KLMPriceFrom $2,295Free cancellationRating
7.7
1,451 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.

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