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Look for other cheap flights to Porto

$837 Cheap flights to Porto

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Porto departing on 15/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,719Turkish Airlines
Thu, 18 Jun - Mon, 22 Jun
Turkish Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,720Turkish Airlines
Thu, 18 Jun - Mon, 22 Jun
Turkish Airlines Logo
11:45 - 15:10
SYD
-
OPO
38h 25m
2 stops
Turkish Airlines Logo
16:10 - 10:45
OPO
-
SYD
31h 35m
2 stops
$1,723Turkish Airlines
Sun, 1 Nov - Sun, 8 Nov
Turkish Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,726Turkish Airlines
Thu, 18 Jun - Mon, 22 Jun
Multiple Airlines Logo
19:40 - 21:20
SYD
-
OPO
34h 40m
2 stops
Multiple Airlines Logo
13:45 - 14:50
OPO
-
SYD
40h 05m
2 stops
$1,744Multiple Airlines
Fri, 31 Jul - Thu, 10 Sep
Multiple Airlines Logo
19:40 - 21:20
SYD
-
OPO
34h 40m
2 stops
Multiple Airlines Logo
14:05 - 14:50
OPO
-
SYD
39h 45m
2 stops
$1,751Multiple Airlines
Sat, 25 Jul - Wed, 12 Aug
Multiple Airlines Logo
14:45 - 09:40
SYD
-
OPO
27h 55m
2 stops
Multiple Airlines Logo
16:50 - 09:40
OPO
-
SYD
31h 50m
2 stops
$1,756Multiple Airlines
Mon, 7 Sep - Mon, 21 Sep
Multiple Airlines Logo
19:40 - 07:50
SYD
-
OPO
45h 10m
3 stops
Multiple Airlines Logo
10:00 - 14:50
OPO
-
SYD
43h 50m
3 stops
$1,760Multiple Airlines
Sat, 25 Jul - Wed, 12 Aug
Etihad Airways Logo
18:20 - 15:15
MEL
-
OPO
31h 55m
2 stops
Etihad Airways Logo
07:35 - 17:00
OPO
-
MEL
46h 25m
2 stops
$1,881Etihad Airways
Mon, 2 Nov - Mon, 23 Nov
Etihad Airways Logo
17:20 - 19:20
MEL
-
OPO
35h 00m
2 stops
Etihad Airways Logo
20:10 - 15:50
OPO
-
MEL
58h 40m
2 stops
$2,129Etihad Airways
Wed, 3 Jun - Sat, 19 Sep

momondo Fare Finder

 
Locate flights to Porto that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 20 May 2026.
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 18/6

11:40-15:45

2 stops37h 05m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,719

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 18/6

11:40-15:45

2 stops37h 05m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,720

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 1/11

11:45-15:10

2 stops38h 25m

Porto

Sun 8/11

16:10-10:45

2 stops31h 35m

$1,723

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 18/6

11:40-15:45

2 stops37h 05m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,726

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 31/7

19:40-21:20

2 stops34h 40m

Porto

Thu 10/9

13:45-14:50

2 stops40h 05m

$1,744

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

19:40-21:20

2 stops34h 40m

Porto

Wed 12/8

14:05-14:50

2 stops39h 45m

$1,751
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 7/9

14:45-09:40

2 stops27h 55m

Porto

Mon 21/9

16:50-09:40

2 stops31h 50m

$1,756

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

19:40-07:50

3 stops45h 10m

Porto

Wed 12/8

10:00-14:50

3 stops43h 50m

$1,760

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Mon 2/11

18:20-15:15

2 stops31h 55m

Porto

Mon 23/11

07:35-17:00

2 stops46h 25m

$1,881

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Wed 3/6

17:20-19:20

2 stops35h 00m

Porto

Sat 19/9

20:10-15:50

2 stops58h 40m

$2,129

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

Porto flights insights and trends

Explore insights for your Porto flight to craft the best travel plan

What is the cheapest month to fly to Porto?

In general, January is the cheapest month to fly from Australia to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,466. If you aren’t able to travel to Porto during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,475.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $1,932 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Australia for as low as $1,552 on momondo.

Cheapest flights to Porto

Find the cheapest flights to Porto from your nearest city or airport
Find flights from Sydney to Porto
CHEAPEST MONTH TO FLY TO PORTO FROM SYDNEYJanuary18% cheaperFlying from Sydney to Porto costs on average just $1,466 in January
MOST EXPENSIVE MONTH TO FLY TO PORTO FROM SYDNEYDecember59% more expensiveIt costs about $2,833 for flights to Porto from Sydney in December
MOST POPULAR MONTH TO FLY TO PORTO FROM SYDNEYMay1,064% more users visitedMore momondo users searched in flights to Porto from Sydney in May than any other month

Cheap Porto flight deals and tips

Summary info about Porto flight prices, duration and airlines

Best One-Way Price

$837

Best Round-Trip Price

$1,719

Fastest flight time

35h 35m
The best one-way flight price to Porto from Australia in the last 72 hours is $837 (Sydney Kingsford Smith to Porto).
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The best round-trip flight price to Porto from Australia in the last 72 hours is $1,719 (Sydney Kingsford Smith to Porto).
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The fastest flight to Porto from Australia takes 35h 35m (Coolangatta Gold Coast to Porto).
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Frequently asked questions about flying to Porto

What is there to do in Porto when it’s raining?

Users planning a flight to Porto during the months of January, February, or October should anticipate rain. There are still things to do in Porto even when it's raining, though. While in Porto you will find Palácio da Bolsa nearby which is a great museum to visit when you’re looking for things to do indoors.

How far in advance should I book a flight to Porto?

We recommend purchasing flights from Australia to Porto 29 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Porto for $1,932. Keep in mind that you might be able to find cheaper flights to Porto at any time. In fact, our users found flights for as low as $1,310 in the past 72 hours.

When did momondo last update prices for flights to Porto Airport?

Prices for flights to Porto Airport are updated daily.

How many operators does momondo search for flights to Porto Airport?

The number of operators available for flights to Porto Airport is 9 as of May 2026.

How old do you have to be to fly to Porto Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Braga
Vila Nova de Gaia
Aveiro

Why use momondo?

Why should I use momondo to find a flight deal to Porto?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Porto?

momondo provides multiple filters to help you find the best flight to Porto. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Porto trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Porto

Popular Flights to Porto

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to Porto Flightsfrom $1,227
Melbourne to Porto Flightsfrom $1,359
Brisbane to Porto Flightsfrom $1,578