Cheap Flights from Porto to Sydney from $2,407

Q: How much are return flights from Porto to Sydney?

The best price we found for a return flight from Porto to Sydney is $2,407. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: Which airlines fly direct from Porto to Sydney?

Currently, there are no airlines that fly direct from Porto to Sydney. But we found flights with one or more stops from $2,407.

Q: How many flights are there a week from Porto to Sydney?

As of March 2025, there are no flights flying from Porto to Sydney.

Q: When is the cheapest time to fly from Porto to Sydney?

The cheapest month to fly from Porto to Sydney is usually March 2025.

Q: Which upcoming date is cheapest to fly from Porto Airport to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Sydney Airport on Thursday, 8 May 2025 .

Q: Can I get a direct flight from Porto Airport to Sydney Airport?

No airlines currently offer direct flights between Porto Airport and Sydney Airport. Most routes have one or more stops.

Q: How can I find the best flight deal to Sydney?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: When is the best time to book flights to Sydney?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Q: Which is the cheapest airline to fly from Porto Airport to Sydney with?

Currently, British Airways offers the cheapest flight tickets to Sydney.

Compare Porto to Sydney flight deals

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Flight deals from Porto to Sydney

Looking for a cheap last-minute deal or the best return flight from Porto to Sydney? Find the lowest prices on one-way and return tickets right here.

Sydney.$2,407 per passenger.Departing Mon, 19 May, returning Mon, 2 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Mon, 19 May, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Mon, 2 Jun, arriving in Porto.Price includes taxes and charges.From $2,407, select.

Sydney.$2,407 per passenger.Departing Thu, 8 May, returning Sat, 24 May.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Thu, 8 May, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Sat, 24 May, arriving in Porto.Price includes taxes and charges.From $2,407, select.

Sydney.$2,496 per passenger.Departing Mon, 2 Jun, returning Mon, 9 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Mon, 2 Jun, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Mon, 9 Jun, arriving in Porto.Price includes taxes and charges.From $2,496, select.

Sydney.$2,497 per passenger.Departing Mon, 8 Sep, returning Mon, 22 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Mon, 8 Sep, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Mon, 22 Sep, arriving in Porto.Price includes taxes and charges.From $2,497, select.

Sydney.$2,568 per passenger.Departing Thu, 23 Oct, returning Sun, 26 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Thu, 23 Oct, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Sun, 26 Oct, arriving in Porto.Price includes taxes and charges.From $2,568, select.

Sydney.$2,688 per passenger.Departing Wed, 26 Nov, returning Sun, 7 Dec.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Porto on Wed, 26 Nov, arriving in Sydney.Inbound indirect flight with Turkish Airlines, departs from Sydney on Sun, 7 Dec, arriving in Porto.Price includes taxes and charges.From $2,688, select.

Sydney.$2,692 per passenger.Departing Fri, 22 Aug, returning Mon, 8 Sep.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Porto on Fri, 22 Aug, arriving in Sydney.Inbound indirect flight with British Airways, departs from Sydney on Mon, 8 Sep, arriving in Porto.Price includes taxes and charges.From $2,692, select.

Sydney.$2,698 per passenger.Departing Sun, 30 Mar, returning Sun, 6 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Porto on Sun, 30 Mar, arriving in Sydney.Inbound indirect flight with Turkish Airlines, departs from Sydney on Sun, 6 Apr, arriving in Porto.Price includes taxes and charges.From $2,698, select.

Find the cheapest month to fly from Porto to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Sydney flights are currently cheapest in May.

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Porto to Sydney: Alternative routes

Compare routes from Porto to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Porto to Sydney: Flight information

The things to know before you go.

Cheapest flight found	$2,407
Cheapest month to fly	May

Finding cheap flights from Porto to Sydney: Frequently asked questions

How much are return flights from Porto to Sydney?

Which airlines fly direct from Porto to Sydney?

How many flights are there a week from Porto to Sydney?

When is the cheapest time to fly from Porto to Sydney?

Which upcoming date is cheapest to fly from Porto Airport to Sydney Airport on?

Can I get a direct flight from Porto Airport to Sydney Airport?

How can I find the best flight deal to Sydney?

When is the best time to book flights to Sydney?

Which is the cheapest airline to fly from Porto Airport to Sydney with?

Travelling from Porto Airport (OPO) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

Travelling during a popular month such as August? Major public holidays and other popular periods can lead to longer queues and delays at security. Be extra cautious and get there up to four hours before international flights and two hours before a domestic departure.
To find out whether you need a visa to enter Australia, contact your carrier and the local embassy or consulate. They'll have all the necessary information, including other paperwork you may need after booking your cheap ticket from OPO to SYD.

How to find the cheapest flights from Porto Airport (OPO) to Sydney (Kingsford Smith) Airport (SYD)

$1,639 is the best price for a one-way ticket from Porto Airport to Sydney (Kingsford Smith) Airport. Return flights start at $2,407. These prices may change depending on demand and availability.
It's usually smart to book early if you're hoping to get flight tickets from OPO to SYD. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.
The 'Whole month' tool shows you the cheapest tickets from Porto Airport to Sydney (Kingsford Smith) Airport across every month. It's an easy way to find a bargain if your travel dates are flexible.
Getting a cheap ticket from OPO to SYD is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when there's a better deal.
Use filters to tailor your flights from Porto Airport to Sydney (Kingsford Smith) Airport. Select your ideal arrival and departure times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to see the best deals.

Handy information about Porto Airport (OPO)

Travelling from central Porto to Porto Airport takes about 49 minutes on public transport. If you drive, ride-share or hail a cab, you'll cover the 16 kilometres in 21 minutes or so, depending on traffic conditions.
After an easy start to your travels? Stay near OPO. Whether you're on an early flight from Porto Airport to Sydney (Kingsford Smith) Airport or just don't like being rushed, these stays are just the thing:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

If you're on a late flight from Porto Airport to Sydney (Kingsford Smith) Airport, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing not long after at one of these options near SYD:

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

Sydney (Kingsford Smith) Airport is approximately 18 kilometres from the centre of Sydney. With your own car rental or if you're catching a cab, the drive is around 21 minutes.
It typically takes 27 minutes to get there by public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

July is the most popular month for flights from Porto Airport to Sydney (Kingsford Smith) Airport. To skip the crowds, head to Sydney in April.
Book your flight from Porto Airport to Sydney (Kingsford Smith) Airport for January if you'd like to explore Sydney during its warmest month. You can expect temperatures of between 17 ºC and 32 ºC.
July sees average temperatures of between 5 ºC and 19 ºC. Search for flight tickets from OPO to SYD around that time if you'd rather travel in cooler conditions.

More about Sydney

Start your Sydney trip right by finding an amazing place to stay. As soon as you've booked your flight from OPO to SYD, check out our accommodation options including:
Every great holiday has to include some sightseeing. Winston Hills Lions Park, Rumsey Rose Garden and Westmead Hospital: Emergency Room are attractions you won't want to skip in Sydney.

Complete your Sydney trip with hotels and a car rental

After you've secured your cheap ticket to Sydney (Kingsford Smith) Airport, browse our low prices and exclusive offers on hotels. You can also compare a range of car rental companies in one go to get the best car rental price for your Sydney escape.