Cheap flights from Australia to Porto from $776

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — OPO
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Australia to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Porto
Explore the most affordable flight options available from Australia to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Wed 12/1116:35SYD - OPO
2 stops29h 15mEtihad Airways
Sun 23/1107:35OPO - SYD
2 stops36h 00mEtihad Airways
Deal found 17/10$1,424
Mon 1/1210:00MEL - OPO
3 stops36h 15mMultiple Airlines
Mon 8/1213:45OPO - MEL
2 stops29h 30mMultiple Airlines
Deal found 17/10$1,527
Wed 12/1114:20SYD - OPO
3 stops34h 40mMultiple Airlines
Sun 23/1107:55OPO - SYD
2 stops35h 40mMultiple Airlines
Deal found 17/10$1,825
Mon 1/1211:10BNE - OPO
2 stops33h 40mMultiple Airlines
Mon 8/1211:35OPO - BNE
2 stops59h 25mMultiple Airlines
Deal found 16/10$1,840
Sat 15/1113:10MEL - OPO
2 stops61h 00mMultiple Airlines
Sat 29/1116:10OPO - MEL
2 stops26h 30mMultiple Airlines
Deal found 14/10$1,886
Sun 30/1121:15SYD - OPO
2 stops47h 35mTurkish Airlines
Sun 7/1210:55OPO - SYD
2 stops45h 25mTurkish Airlines
Deal found 15/10$1,911
Mon 15/1207:45MEL - OPO
2 stops37h 05mMultiple Airlines
Sun 15/210:55OPO - MEL
2 stops32h 20mMultiple Airlines
Deal found 14/10$1,946
Sat 29/1111:10BNE - OPO
2 stops33h 40mMultiple Airlines
Sat 6/1211:25OPO - BNE
2 stops35h 35mMultiple Airlines
Deal found 15/10$2,079
Sun 30/1120:05SYD - OPO
3 stops33h 55mMultiple Airlines
Sun 7/1206:30OPO - SYD
3 stops38h 35mMultiple Airlines
Deal found 15/10$2,225
Tue 16/1220:40SYD - OPO
2 stops33h 40mMultiple Airlines
Sat 3/120:10OPO - SYD
2 stops56h 20mMultiple Airlines
Deal found 14/10$2,323
Wed 3/1208:10BNE - OPO
3 stops35h 45mMultiple Airlines
Mon 15/1207:35OPO - BNE
3 stops39h 55mMultiple Airlines
Deal found 16/10$2,328
Fri 14/1100:30MEL - OPO
2 stops32h 55mThai Airways
Sat 29/1110:55OPO - MEL
2 stops47h 25mThai Airways
Deal found 14/10$2,778

Cheap flight deals from Australia to Porto

Keep the following information in mind while searching for Australia to Porto flight deals. Data was last updated 17 October 2025.

Round-trip from

$1,424

One-way from

$776

Popular in

December

Cheapest in

January

Average price

$1,878
Etihad Airways
  • Etihad Airways
  • 12/11-23/11
  • 4 total stops
  • 65h 15m total
  • Australia to Porto
2/12
  • 2/12
  • 3 total stops
  • 45h 25m total
  • Australia to Porto
Highest demand for flights based on searches. 8% potential increase in price ($288 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($108 potential savings vs. average return price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Porto 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 October 2025.
Use the filters below to find and compare flights from Australia to Porto that are best for you.

Fly from

Australia

Fly to

Porto

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 12/11

16:35-10:50

2 stops29h 15m

Porto

Sun 23/11

07:35-06:35

2 stops36h 00m

$1,424

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Mon 1/12

10:00-11:15

3 stops36h 15m

Porto

Mon 8/12

13:45-06:15

2 stops29h 30m

$1,527

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 10/3

00:30-15:10

2 stops49h 40m

Porto

Sun 15/3

16:30-09:25

2 stops29h 55m

$1,597

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 14/4

13:25-15:40

2 stops35h 15m

Porto

Thu 21/5

16:40-11:15

2 stops33h 35m

$1,632

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Wed 15/4

11:00-15:15

2 stops37h 15m

Porto

Fri 15/5

09:00-09:00

2 stops39h 00m

$1,666

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 14/4

13:25-15:40

2 stops35h 15m

Porto

Tue 26/5

16:40-07:00

3 stops29h 20m

$1,808

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 12/11

14:20-14:00

3 stops34h 40m

Porto

Sun 23/11

07:55-06:35

2 stops35h 40m

$1,825

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Mon 1/12

11:10-10:50

2 stops33h 40m

Porto

Mon 8/12

11:35-09:00

2 stops59h 25m

$1,840

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 14/4

12:05-15:40

2 stops36h 35m

Porto

Tue 21/4

16:40-07:00

3 stops53h 20m

$1,841

BrisbanePorto

BNE - OPO

BNEOPO

Brisbane

Wed 11/3

08:00-15:10

2 stops65h 10m

Porto

Sun 15/3

10:55-06:45

2 stops57h 50m

$1,891

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 33 results
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Best time to book a flight from Australia to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Australia 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 Australia to Porto

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

Currently, November is the cheapest month in which you can book a flight from Australia to Porto (average of $1,387). Flying from Australia to Porto in December is currently the most expensive (average of $2,154). 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.

What is the cheapest time of day to fly from AU to OPO?

Find hourly flight availability from Australia to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

When flying from Australia to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 10% versus a flight in the morning.

What is the cheapest day to fly from Australia to Porto?

Use this chart to determine the cheapest time to fly return from Australia to Porto. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Australia to Porto flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 17 October 2025.
Read reviews from past customers who have flown with KLM, Qatar Airways, andEtihad Airways from Australia to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Entertainment

7.1

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Australia to Porto. 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 Porto from Australia?

    Located just 10.9 km from the city centre, Porto (OPO) is the airport most travelers will use when flying to Porto from Australia.

  • How long is the flight from Australia to Porto?

    A quick flight from Australia to Porto can take about 29h 15m. Etihad Airways provides one of the quickest options available for as low as $1,424. Airlines will cover a distance of 18057 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Australia to Porto?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia to Porto 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 Australia to Porto?

    Currently, November is the cheapest month in which you can book a flight from Australia to Porto (average of $1,387). Flying from Australia to Porto in December is currently the most expensive (average of $2,154). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Viseu

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Fly from Australia to Porto on these airlines

Choose from the following airlines for your flight from Australia to Porto. Flights are based on user searches made on Cheapflights and were last updated on 17 October 2025.

Top 8 airlines flying from Australia to Porto

Discover the top 8 airlines that operate flights from Australia to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,300Average$2,018FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Turkish AirlinesCheapest$1,388Average$1,860FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest$1,449Average$2,023FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest$1,746Average$2,933FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest$1,770Average$2,001FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest$1,882Average$2,115FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Qatar AirwaysCheapest$1,897Average$2,492FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
United AirlinesCheapest$2,011Average$2,677FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Australia to Porto?

Cheapflights helps you search for flights from Australia to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Porto from Australia.

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

Need flexible booking options for your flight to Porto from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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