SYD - OPO

$902 Find Cheap Flights from Sydney to Porto – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,603
Typical prices: $1,900-$2,515
Etihad Airways
Sat 3/3Wed 7/3
SYD - OPO • 2 stops
Cheapest one-way flight
$902
Typical prices: $998-$1,366
Multiple Airlines
Fri 13/4
SYD - OPO • 2 stops
When to book
in advance
Our data shows that travellers who book at least 25 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Porto!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Porto (SYD-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Porto

Wed, 3 Mar - Sun, 7 Mar
Etihad Airways Logo
21:30 - 06:45SYD  Sydney Kingsford Smith-OPO Porto
44h 15m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
16:05 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
27h 25m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,603Etihad Airways
1 day ago
Wed, 18 Nov - Sun, 22 Nov
Etihad Airways Logo
16:50 - 10:50SYD  Sydney Kingsford Smith-OPO Porto
29h 00m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
11:35 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
55h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,646Etihad Airways
2 days ago
Wed, 18 Nov - Sun, 22 Nov
Etihad Airways Logo
16:50 - 10:50SYD  Sydney Kingsford Smith-OPO Porto
29h 00m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
11:35 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
55h 55m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,650Etihad Airways
3+ days ago
Sat, 5 Dec - Wed, 30 Dec
Multiple Airlines Logo
07:55 - 09:55SYD  Sydney Kingsford Smith-OPO Porto
37h 00m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul
Multiple Airlines Logo
10:55 - 19:25OPO  Porto-SYD Sydney Kingsford Smith
45h 30m2 stops Istanbul Singapore Changi
$2,641Multiple Airlines
2 days ago
Sat, 5 Dec - Wed, 30 Dec
Multiple Airlines Logo
07:55 - 09:55SYD  Sydney Kingsford Smith-OPO Porto
37h 00m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul
Multiple Airlines Logo
10:55 - 19:25OPO  Porto-SYD Sydney Kingsford Smith
45h 30m2 stops Istanbul Singapore Changi
$2,681Multiple Airlines
1 day ago
Sat, 5 Dec - Wed, 30 Dec
Multiple Airlines Logo
07:55 - 15:25SYD  Sydney Kingsford Smith-OPO Porto
42h 30m3 stops Denpasar Bali Ngurah Rai Kuala Lumpur Intl Istanbul
Multiple Airlines Logo
16:25 - 19:25OPO  Porto-SYD Sydney Kingsford Smith
40h 00m2 stops Istanbul Singapore Changi
$2,686Multiple Airlines
3+ days ago
Sat, 5 Dec - Wed, 30 Dec
KLM Logo
06:35 - 15:25SYD  Sydney Kingsford Smith-OPO Porto
43h 50m3 stops Denpasar Bali Ngurah Rai Singapore Changi Amsterdam Schiphol
KLM Logo
16:10 - 07:25OPO  Porto-SYD Sydney Kingsford Smith
28h 15m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$3,729KLM
1 day ago
Sat, 5 Dec - Wed, 30 Dec
KLM Logo
06:35 - 15:25SYD  Sydney Kingsford Smith-OPO Porto
43h 50m3 stops Denpasar Bali Ngurah Rai Singapore Changi Amsterdam Schiphol
KLM Logo
16:10 - 07:25OPO  Porto-SYD Sydney Kingsford Smith
28h 15m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$3,731KLM
3+ days ago
Wed, 27 Jan - Sun, 14 Feb
Turkish Airlines Logo
10:00 - 15:25SYD  Sydney Kingsford Smith-OPO Porto
40h 25m2 stops Bangkok Suvarnabhumi Istanbul
Turkish Airlines Logo
10:55 - 19:25OPO  Porto-SYD Sydney Kingsford Smith
45h 30m2 stops Istanbul Singapore Changi
$6,983Turkish Airlines
2 days ago
Thu, 3 Dec - Sun, 6 Dec
Turkish Airlines Logo
21:35 - 18:00SYD  Sydney Kingsford Smith-OPO Porto
31h 25m3 stops Singapore Changi Istanbul Lisbon Humberto Delgado
Turkish Airlines Logo
10:55 - 10:20OPO  Porto-SYD Sydney Kingsford Smith
36h 25m2 stops Istanbul Kuala Lumpur Intl
$14,080Turkish Airlines
2 days ago
Booking Insights

Price, demand, and travel trends for Sydney to Porto flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Sydney to Porto?

Return flights from Sydney to Porto typically range from $1,900 to $2,515. The lowest price found in the past 5 days was $1,603 on Etihad Airways.

What's the cheapest day of the week to fly from Sydney to Porto?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Sydney to Porto. It's 9% cheaper than the average day, while Saturday is the most expensive, with prices 7% higher.

What is the cheapest month to fly from Sydney to Porto?

•February is the cheapest month to fly from Sydney to Porto at $1,500 return.
•January ($3,068) and December ($2,882) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 104% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Sydney to Porto the cheapest?

Flights from Sydney to Porto are cheapest 25 weeks before departure. Booking in this window typically costs about 43% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Sydney to Porto flights

Low season

February

Cheapest flight

$902
Beat the crowds with an average 88% drop in travellers.
The most popular month to fly with an average 190% increase in travellers.
One-way flight from Sydney to Porto

When to book flights from Sydney to Porto

Are your dates flexible? Find out the best times to travel from Sydney to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Sydney to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Sydney to Porto?

    Three cabin classes are available on flights from Sydney to Porto:

    • Economy class
    • Premium Economy Class
    • Business Class

  • Do I need a passport to fly from Sydney to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sydney to Porto flight?

    Return flights from Sydney to Porto range from $1,900 to $2,515, with an average of $2,164 over the past 12 months. Anything below $1,900 counts as a good deal.

  • How expensive are last-minute Sydney to Porto flights?

    Last-minute fares on this route (booked within two weeks of departure) run 32% above the $2,164 route average. Book 25 weeks before departure for the lowest fares.

  • How are flight prices from Sydney to Porto looking right now?

    One-way fares from Sydney to Porto are currently higher than usual. Average one-way flight prices are about $2,321, which is 104% above the typical average for this route.

  • Which car hire options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car hire companies, with daily rates averaging $34 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Sydney to Porto?

    Flights from Sydney to Porto usually depart from Sydney Kingsford Smith (SYD) and arrive at Porto (OPO).

  • Which airports do connecting flights from Sydney to Porto pass through?

    Most connecting flights from Sydney to Porto pass through Istanbul (IST), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Sydney to Porto?

    Yes. Flexible dates can save you up to 15% on flights from Sydney to Porto. Thursday is the cheapest departure day at $1,985 return on average, while Saturday is the most expensive at $2,335, a difference of $350.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Sydney and Porto?

    Porto is 11 hours behind Sydney (Western European Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Avenida dos Aliados, Ribeira Square, and Palácio da Bolsa. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Sydney to Porto flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Saturday. On this route, Thursday flights average $1,985, about $350 less than Saturday fares (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 43% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Porto trip for February. Fares historically average $1,500 return in that month – typically $1,568 less than the most expensive month, which is January (based on the last 12 months).

More options for your flight from Sydney to Porto

Complete your trip to Porto with a hotel stay or car hire