Cheap Flights from Porto 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 round-trip flight from Porto to Sydney? Find the lowest prices on one-way and round-trip tickets right here.

Sydney.$1,143 per passenger.Departing Wed, Jun 4, returning Sat, Jun 7.Round-trip flight with Ryanair and Sichuan Airlines.Outbound indirect flight with Ryanair, departing from Porto on Wed, Jun 4, arriving in Sydney.Inbound indirect flight with Sichuan Airlines, departing from Sydney on Sat, Jun 7, arriving in Porto.Price includes taxes and charges.From $1,143, select.

Sydney.$1,184 per passenger.Departing Thu, Oct 16, returning Sun, Oct 26.Round-trip flight with Transavia France and Sichuan Airlines.Outbound indirect flight with Transavia France, departing from Porto on Thu, Oct 16, arriving in Sydney.Inbound indirect flight with Sichuan Airlines, departing from Sydney on Sun, Oct 26, arriving in Porto.Price includes taxes and charges.From $1,184, select.

Sydney.$1,194 per passenger.Departing Sat, May 31, returning Sat, Jun 7.Round-trip flight with Ryanair and Sichuan Airlines.Outbound indirect flight with Ryanair, departing from Porto on Sat, May 31, arriving in Sydney.Inbound indirect flight with Sichuan Airlines, departing from Sydney on Sat, Jun 7, arriving in Porto.Price includes taxes and charges.From $1,194, select.

Sydney.$1,211 per passenger.Departing Tue, Jun 24, returning Mon, Jul 14.Round-trip flight with transavia and Air China.Outbound indirect flight with transavia, departing from Porto on Tue, Jun 24, arriving in Sydney.Inbound indirect flight with Air China, departing from Sydney on Mon, Jul 14, arriving in Porto.Price includes taxes and charges.From $1,211, select.

Sydney.$1,263 per passenger.Departing Tue, Sep 9, returning Tue, Sep 23.Round-trip flight with easyJet and Scoot.Outbound indirect flight with easyJet, departing from Porto on Tue, Sep 9, arriving in Sydney.Inbound indirect flight with Scoot, departing from Sydney on Tue, Sep 23, arriving in Porto.Price includes taxes and charges.From $1,263, select.

Sydney.$1,293 per passenger.Departing Fri, Jun 13, returning Sat, Sep 13.Round-trip flight with Ryanair and Scoot.Outbound indirect flight with Ryanair, departing from Porto on Fri, Jun 13, arriving in Sydney.Inbound indirect flight with Scoot, departing from Sydney on Sat, Sep 13, arriving in Porto.Price includes taxes and charges.From $1,293, select.

Sydney.$1,313 per passenger.Departing Mon, Sep 22, returning Sun, Oct 5.Round-trip flight with British Airways.Outbound indirect flight with British Airways, departing from Porto on Mon, Sep 22, arriving in Sydney.Inbound indirect flight with British Airways, departing from Sydney on Sun, Oct 5, arriving in Porto.Price includes taxes and charges.From $1,313, select.

Sydney.$1,320 per passenger.Departing Tue, Aug 26, returning Wed, Sep 10.Round-trip flight with Aegean Airlines and Scoot.Outbound indirect flight with Aegean Airlines, departing from Porto on Tue, Aug 26, arriving in Sydney.Inbound indirect flight with Scoot, departing from Sydney on Wed, Sep 10, arriving in Porto.Price includes taxes and charges.From $1,320, 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 June.

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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	$1,143
Cheapest month to fly	June

Finding cheap flights from Porto to Sydney: Frequently asked questions

How much are round-trip flights from Porto to Sydney?

The best price we found for a round-trip flight from Porto to Sydney is $1,143. 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.

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 $1,143.

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

There are no flights flying from Porto to Sydney, as of May 2025.

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

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

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 Wednesday, June 4, 2025.

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.

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.

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.

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

Currently, Ryanair offers the cheapest flight tickets to Sydney.

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

Sydney is 11 hours ahead of Porto and is in the UTC+11 timezone.
Arrive at the airport on time so you don't miss your OPO to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.
Flying during a peak time like August? Major public holidays and other popular periods can mean longer queues at security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

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

The lowest price we've found for a one-way Porto Airport to Sydney (Kingsford Smith) Airport flight is $462. A round-trip plane ticket is currently $1,143. Depending on the availability and when you book, these fares may change.
It's usually best to book in advance if you're looking for cheap tickets from OPO to SYD. That's because flight prices are based on demand, which tends to increase closer to departure.
The 'Whole month' search function shows you the cheapest flights from Porto Airport to Sydney (Kingsford Smith) Airport across the month. It's a good way to snap up a bargain if your travel plans are flexible.
Snapping up cheap flights from OPO to SYD is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.
Find the right flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Porto Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and journey duration.

Handy information about Porto Airport (OPO)

Of the flights that depart from Porto Airport, 74.49% touch down on time at their destination.
Porto Airport is around 16 kilometers from central Porto. If you're driving, ride-sharing or catching a cab from the center, it'll take 20 minutes or so to arrive, depending on the traffic.
The trip on public transport will take about 50 minutes.
Taking an early flight from Porto Airport to Sydney (Kingsford Smith) Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels close to OPO:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

The last thing you need is a long trip to your hotel if you're arriving on a late Porto Airport to Sydney (Kingsford Smith) Airport flight. Book one of these accommodation options near SYD instead:
Get on the fast track to adventure by picking up a Sydney (Kingsford Smith) Airport rental car. Grab your wheels from simba car hire, Bargain Car Rentals or Yes Drive and experience the lesser-explored corners of Sydney and beyond.
Reserving your vehicle from Sydney (Kingsford Smith) Airport about two weeks ahead gives you the best shot at securing a great deal.

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

Sydney (Kingsford Smith) Airport is approximately 18 kilometers from the center of Sydney. The drive time takes around 20 minutes.
It takes roughly 25 minutes if you're traveling by public transport.

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

It's time to choose your dates for your flight from Porto Airport to Sydney (Kingsford Smith) Airport. April is the most popular month to visit Sydney. If you prefer a more laid-back vibe, go in April.
When booking your flight from Porto Airport to Sydney (Kingsford Smith) Airport, consider the kind of weather you enjoy. January is the warmest month in Sydney, with temperatures ranging from 17ºC (63ºF) to 32ºC (90ºF).
Look for cheap tickets from OPO to SYD in July if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

Explore more of Australia

Canberra is just one of the many places in Australia waiting to be discovered after you've experienced Sydney. Around 241 kilometers away to the south-west, its top attractions include Australian War Memorial, National Gallery of Australia and Parliament House.
Newcastle is another sought-after destination in Australia and is around 121 kilometers north-east of Sydney. No journey is complete without experiencing Newcastle Beach, Nobbys Beach and Merewether Beach.