Cheap flights from Porto to Adelaide from $1,214

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — ADL
17 Jul — 24 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Adelaide

Enter your travel dates to find the best prices.

One-way flights from Porto to Adelaide
Search for one-way flight options from Porto to Adelaide. Find affordable one-way fares based on user searches. Data last updated 17 June 2026.

Thu 9/718:55
OPO
-
ADL
3 stops52h 05m
Multiple Airlines
Deal found 17/6$1,214

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 17 June 2026.
Use the filters below to find and compare flights from Porto to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way
Fastest single journey

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 9/7

18:55-07:30

3 stops52h 05m

$1,214

Flights are sorted by cheapest return flights first.

Deals found on 17/6

Sorted by cheapest first

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.

  • 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.

Travelling to a place near Adelaide?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.