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Cheap flights from Porto to Adelaide from $2,885

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — ADL
6 Jan — 13 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Adelaide

Enter your travel dates to find the best prices.

Best flights from Porto to Adelaide
Discover carefully curated flight deals from Porto to Adelaide that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 December 2025.

Thu 5/316:55OPO - ADL
2 stops37h 40mBritish Airways
Mon 9/322:00ADL - OPO
2 stops29h 10mBritish Airways
Deal found 6/12$2,885
Thu 14/509:55OPO - ADL
2 stops45h 25mBritish Airways
Mon 18/521:40ADL - OPO
2 stops54h 20mBritish Airways
Deal found 5/12$3,017

Find flight deals from Porto to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 December 2025.

Round-trip from

$2,885
British Airways
  • British Airways
  • 5/3-9/3
  • 4 total stops
  • 66h 50m total
  • Porto to Adelaide
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Porto to Adelaide 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, Cheapflights users made 647,157 searches. Data last updated 7 December 2025.
Use the filters below to find and compare flights from Porto to Adelaide that are best for you.

Fly from

Porto

Fly to

Adelaide

Route

Depart

Return

Price

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 5/3

16:55-17:05

2 stops37h 40m

Adelaide

Mon 9/3

22:00-16:40

2 stops29h 10m

$2,885

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 14/5

09:55-15:50

2 stops45h 25m

Adelaide

Mon 18/5

21:40-19:30

2 stops54h 20m

$3,017

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Best time to book a flight from Porto to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Porto with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Porto to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Porto to Adelaide?

    For as low as $2,885, British Airways can have you in Adelaide from Porto in 37h 40m. Porto and Adelaide are separated by a distance of 17069 km.

  • Can I find deals for flights from Porto to Adelaide that include hotel bookings?

    Yes. In addition to deals on Porto to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Porto to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Adelaide.

  • Can I find deals for business class flights from Porto to Adelaide?

    Yes. Cheapflights offers flight deals from Porto to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Porto to Adelaide?

Deals for Porto to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Porto to Adelaide?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Porto to Adelaide.

Can Cheapflights find flights from Porto to Adelaide with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Porto to Adelaide, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Porto to Adelaide become cheaper?

Yes, Cheapflights offers price alerts on Porto to Adelaide flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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