SYD - OPO

$845 Find Cheap Flights from Sydney to Porto – Compare and Save

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Everything you should know

Cheapest return flight
$1,468
Typical prices: $1,838-$2,307
Etihad Airways
Mon 5/11Sun 18/11
SYD - OPO • 2 stops
Cheapest one-way flight
$845
Typical prices: $977-$1,209
Multiple Airlines
Fri 26/10
SYD - OPO • 3 stops
When to book
25 weeks
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
February
Cheapest • 27% price drop
June
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

Thu, 5 Nov - Wed, 18 Nov
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
$1,468Etihad Airways
Thu, 29 Oct - Wed, 11 Nov
Multiple Airlines Logo
21:30 - 21:15SYD  Sydney Kingsford Smith-OPO Porto
34h 45m2 stops Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
08:45 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
34h 45m2 stops Barcelona-El Prat Abu Dhabi Zayed Intl
$1,529Multiple Airlines
Wed, 18 Nov - Sun, 22 Nov
Etihad Airways Logo
16:50 - 19:20SYD  Sydney Kingsford Smith-OPO Porto
37h 30m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
20:10 - 17:45OPO  Porto-SYD Sydney Kingsford Smith
34h 35m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,592Etihad Airways
Sat, 31 Oct - Sat, 7 Nov
Etihad Airways Logo
21:30 - 10:50SYD  Sydney Kingsford Smith-OPO Porto
48h 20m2 stops Abu Dhabi Zayed Intl Madrid Barajas
Etihad Airways Logo
20:10 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
47h 20m2 stops Madrid Barajas Abu Dhabi Zayed Intl
$1,691Etihad Airways
Sun, 18 Oct - Fri, 30 Oct
Turkish Airlines Logo
16:40 - 15:50SYD  Sydney Kingsford Smith-OPO Porto
33h 10m2 stops Abu Dhabi Zayed Intl Istanbul
Turkish Airlines Logo
16:25 - 06:30OPO  Porto-SYD Sydney Kingsford Smith
51h 05m2 stops Istanbul Abu Dhabi Zayed Intl
$1,789Turkish Airlines
Tue, 13 Oct - Tue, 20 Oct
Multiple Airlines Logo
16:40 - 10:00SYD  Sydney Kingsford Smith-OPO Porto
27h 20m2 stops Abu Dhabi Zayed Intl Lisbon Humberto Delgado
Multiple Airlines Logo
15:35 - 06:35OPO  Porto-SYD Sydney Kingsford Smith
53h 00m2 stops Zurich Abu Dhabi Zayed Intl
$1,814Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Multiple Airlines Logo
14:00 - 11:35SYD  Sydney Kingsford Smith-OPO Porto
31h 35m3 stops Singapore Changi Abu Dhabi Zayed Intl Barcelona-El Prat
Multiple Airlines Logo
14:45 - 09:50OPO  Porto-SYD Sydney Kingsford Smith
33h 05m3 stops Rome Fiumicino Sharjah Phuket City
$1,899Multiple Airlines
Tue, 13 Oct - Tue, 20 Oct
Turkish Airlines Logo
22:05 - 15:40SYD  Sydney Kingsford Smith-OPO Porto
27h 35m2 stops Kuala Lumpur Intl Istanbul
Turkish Airlines Logo
16:50 - 20:10OPO  Porto-SYD Sydney Kingsford Smith
41h 20m2 stops Istanbul Kuala Lumpur Intl
$1,939Turkish Airlines
Thu, 5 Nov - Wed, 18 Nov
KLM Logo
11:50 - 10:30SYD  Sydney Kingsford Smith-OPO Porto
33h 40m2 stops Kuala Lumpur Intl Amsterdam Schiphol
KLM Logo
16:10 - 07:25OPO  Porto-SYD Sydney Kingsford Smith
28h 15m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$2,214KLM
Sun, 18 Oct - Fri, 30 Oct
KLM Logo
12:40 - 10:40SYD  Sydney Kingsford Smith-OPO Porto
32h 00m3 stops Jakarta Soekarno-Hatta Intl Kuala Lumpur Intl Amsterdam Schiphol
KLM Logo
11:15 - 07:25OPO  Porto-SYD Sydney Kingsford Smith
33h 10m3 stops Amsterdam Schiphol Singapore Changi Denpasar Bali Ngurah Rai
$4,246KLM
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 from Sydney to Porto with more confidence.

How much is a return flight from Sydney to Porto?

Return flights from Sydney to Porto start at $1,468. Prices are below average for this route right now, with typical return fares ranging from $1,838 to $2,307. The lowest price found in the past 5 days was $1,468 on Etihad Airways.

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

Thursday is the cheapest day of the week to fly from Sydney to Porto and is 3% cheaper than the average day. Saturday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

When are prices 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.

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Key details for Sydney to Porto flights

Low season

February

Cheapest flight

$845
Best time to beat the crowds (27% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 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

  • 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. Other stopover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 13% on the Sydney to Porto route. Thursday is the cheapest departure day at $1,961 return on average, while Saturday is the most expensive at $2,250, a difference of $290. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 40% above the route average of $2,015. Book 25 weeks before departure for the lowest fares.

  • 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.

  • Have flight prices from Sydney to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $1,468 to $10,306. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 $1,185, which is 10% above the typical average for this route.

  • What is the time difference between Sydney and Porto?

    Porto is 9 hours behind Sydney (Western European Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

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

    Porto Airport (OPO) hosts 5 major car hire companies, with daily rates starting from around $2 for economy cars. Top options include:
    • Klass Wagen
    • Drive on Holiday
    • GREEN MOTION
    • Goldcar Rental SP
    • SURPRICE CAR RENTAL

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

    Return flights from Sydney to Porto range from $1,838 to $2,307, with an average of $2,015 over the past 12 months. Anything below $1,838 counts as a good deal.

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 instead of Saturday. On this route, Thursday flights average $1,961 – about $290 less than Saturday (13% 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 $1,477 return in that month – typically $1,360 less than the most expensive month, which is December (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

Car hire in Porto
Hotels in Porto
Holidays in Porto