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Cheap flights from Portugal to Adelaide from $1,004

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ADL
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Portugal to Adelaide

Keep the following information in mind while searching for Portugal to Adelaide flight deals. Data was last updated 29 August 2025.

Round-trip from

$2,616

One-way from

$1,004

Popular in

January

Cheapest in

May

Average price

$3,849
KLM
  • KLM
  • 11/11-2/2
  • 6 total stops
  • 76h 00m total
  • Portugal to Adelaide
Search Deals
10/11
  • 10/11
  • 3 total stops
  • 59h 05m total
  • Portugal to Adelaide
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($410 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($157 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Portugal to Adelaide

Cheapest flights from Portugal to Adelaide
Explore the most affordable flight options available from Portugal to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Tue 11/1111:15OPO - ADL
3 stops32h 30mKLM
Mon 2/206:25ADL - OPO
3 stops43h 30mKLM
Deal found 28/8$2,616
Tue 11/1118:15OPO - ADL
2 stops40h 05mMultiple Airlines
Mon 2/222:40ADL - OPO
2 stops35h 45mMultiple Airlines
Deal found 28/8$2,620

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portugal 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 29 August 2025.
Use the filters below to find and compare flights from Portugal to Adelaide that are best for you.

Fly from

Portugal

Fly to

Adelaide

Route

Depart

Return

Price

PortoAdelaide

OPO - ADL

OPOADL

Porto

Tue 11/11

11:15-06:15

3 stops32h 30m

Adelaide

Mon 2/2

06:25-15:25

3 stops43h 30m

$2,616

PortoAdelaide

OPO - ADL

OPOADL

Porto

Tue 11/11

18:15-20:50

2 stops40h 05m

Adelaide

Mon 2/2

22:40-23:55

2 stops35h 45m

$2,620

PortoAdelaide

OPO - ADL

OPOADL

Porto

Mon 10/11

08:40-06:15

3 stops59h 05m

$1,004

PortoAdelaide

OPO - ADL

OPOADL

Porto

Sun 28/9

09:25-20:45

3 stops50h 50m

$1,551

PortoAdelaide

OPO - ADL

OPOADL

Porto

Sun 28/9

16:35-15:50

2 stops38h 45m

$2,492

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Best time to book a flight from Portugal to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Adelaide
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Adelaide from Portugal?

    If you book a flight to Adelaide from Portugal, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide.

  • How long is the flight from Portugal to Adelaide?

    A quick flight from Portugal to Adelaide can take about 32h 30m. KLM provides one of the quickest options available for as low as $2,616. Airlines will cover a distance of 17069 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portugal 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.

  • What is the cheapest month to book a flight from Portugal to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Portugal to Adelaide (average of $168). Flying from Portugal to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Adelaide?

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Adelaide from Portugal.

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

Yes! Cheapflights helps users easily find flights from Portugal to Adelaide with no change fees.

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Not ready to book yet? You can track prices for flights from Portugal to Adelaide on Cheapflights with our Price Alert feature and get notified when better prices are available.

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