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Cheap flights from Porto to Adelaide from $1,441

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — ADL
31 Aug — 7 Sep1
1 adult

Cheap 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 26 August 2025.

Round-trip from

$2,496

One-way from

$1,441
11/9-15/9
  • 11/9-15/9
  • 5 total stops
  • 64h 15m total
  • Porto to Adelaide
Search Deals
28/9
  • 28/9
  • 3 total stops
  • 56h 05m total
  • Porto to Adelaide
Search Deals

Find flight deals from Porto to Adelaide

Cheapest flights from Porto to Adelaide
Explore the most affordable flight options available from Porto to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Thu 11/906:40OPO - ADL
3 stops30h 50mMultiple Airlines
Mon 15/921:40ADL - OPO
2 stops33h 25mMultiple Airlines
Deal found 26/8$2,496
Thu 9/1011:30OPO - ADL
3 stops34h 25mMultiple Airlines
Thu 16/1008:50ADL - OPO
3 stops35h 15mMultiple Airlines
Deal found 24/8$2,940
Fri 10/1010:45OPO - ADL
2 stops34h 00mMultiple Airlines
Fri 17/1013:40ADL - OPO
3 stops40h 50mMultiple Airlines
Deal found 26/8$3,020
Thu 11/916:20OPO - ADL
3 stops29h 20mKLM
Mon 15/919:00ADL - OPO
3 stops53h 05mKLM
Deal found 26/8$3,681
Thu 9/1011:00OPO - ADL
2 stops24h 20mEmirates
Thu 16/1022:35ADL - OPO
2 stops33h 55mEmirates
Deal found 24/8$4,464

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 26 August 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 11/9

06:40-22:00

3 stops30h 50m

Adelaide

Mon 15/9

21:40-22:35

2 stops33h 25m

$2,496

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 9/10

11:30-07:25

3 stops34h 25m

Adelaide

Thu 16/10

08:50-10:35

3 stops35h 15m

$2,940

PortoAdelaide

OPO - ADL

OPOADL

Porto

Fri 10/10

10:45-06:15

2 stops34h 00m

Adelaide

Fri 17/10

13:40-21:00

3 stops40h 50m

$3,020

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 11/9

16:20-06:10

3 stops29h 20m

Adelaide

Mon 15/9

19:00-15:35

3 stops53h 05m

$3,681

PortoAdelaide

OPO - ADL

OPOADL

Porto

Thu 9/10

11:00-20:50

2 stops24h 20m

Adelaide

Thu 16/10

22:35-23:00

2 stops33h 55m

$4,464

PortoAdelaide

OPO - ADL

OPOADL

Porto

Sun 28/9

15:25-08:00

3 stops56h 05m

$1,441

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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.

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

    Currently, June is the cheapest month in which you can book a flight from Porto to Adelaide (average of $168). Flying from Porto 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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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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