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Look for other cheap flights to Porto

$916 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 16/9. 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 - 09:40
SYD
-
OPO
31h 00m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,670Turkish Airlines
Sun, 14 Jun - Mon, 22 Jun
Turkish Airlines Logo
11:40 - 09:40
SYD
-
OPO
31h 00m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,681Turkish Airlines
Sun, 14 Jun - Mon, 22 Jun
Turkish Airlines Logo
11:40 - 09:40
SYD
-
OPO
31h 00m
2 stops
Turkish Airlines Logo
10:40 - 09:40
OPO
-
SYD
38h 00m
2 stops
$1,682Turkish Airlines
Sun, 14 Jun - Mon, 22 Jun
Multiple Airlines Logo
14:45 - 09:40
SYD
-
OPO
27h 55m
2 stops
Multiple Airlines Logo
16:45 - 05:10
OPO
-
SYD
27h 25m
2 stops
$1,706Multiple Airlines
Mon, 8 Jun - Fri, 12 Jun
Multiple Airlines Logo
10:20 - 09:40
SYD
-
OPO
32h 20m
2 stops
Multiple Airlines Logo
11:00 - 05:10
OPO
-
SYD
33h 10m
2 stops
$1,722Multiple Airlines
Thu, 23 Jul - Thu, 27 Aug
Multiple Airlines Logo
15:55 - 10:00
MEL
-
OPO
51h 05m
2 stops
Multiple Airlines Logo
10:40 - 05:35
OPO
-
MEL
33h 55m
2 stops
$1,744Multiple Airlines
Tue, 11 Aug - Tue, 8 Sep
Multiple Airlines Logo
11:40 - 15:45
SYD
-
OPO
37h 05m
2 stops
Multiple Airlines Logo
16:40 - 05:10
OPO
-
SYD
27h 30m
2 stops
$1,762Multiple Airlines
Thu, 23 Jul - Thu, 27 Aug
Multiple Airlines Logo
09:50 - 15:40
SYD
-
OPO
38h 50m
2 stops
Multiple Airlines Logo
11:00 - 06:25
OPO
-
SYD
34h 25m
2 stops
$1,766Multiple Airlines
Tue, 26 May - Thu, 11 Jun
Etihad Airways Logo
17:20 - 06:50
MEL
-
OPO
46h 30m
2 stops
Etihad Airways Logo
20:10 - 15:50
OPO
-
MEL
34h 40m
2 stops
$2,004Etihad Airways
Mon, 1 Jun - Thu, 18 Jun
Qatar Airways Logo
12:05 - 13:10
OOL
-
OPO
34h 05m
3 stops
Qatar Airways Logo
16:40 - 11:40
OPO
-
OOL
34h 00m
3 stops
$3,581Qatar Airways
Wed, 24 Jun - Mon, 29 Jun

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 10 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

Sun 14/6

11:40-09:40

2 stops31h 00m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,670

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 14/6

11:40-09:40

2 stops31h 00m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,681

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 14/6

11:40-09:40

2 stops31h 00m

Porto

Mon 22/6

10:40-09:40

2 stops38h 00m

$1,682
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 8/6

14:45-09:40

2 stops27h 55m

Porto

Fri 12/6

16:45-05:10

2 stops27h 25m

$1,706

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 23/7

10:20-09:40

2 stops32h 20m

Porto

Thu 27/8

11:00-05:10

2 stops33h 10m

$1,722

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Tue 11/8

15:55-10:00

2 stops51h 05m

Porto

Tue 8/9

10:40-05:35

2 stops33h 55m

$1,744

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 23/7

11:40-15:45

2 stops37h 05m

Porto

Thu 27/8

16:40-05:10

2 stops27h 30m

$1,762

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 26/5

09:50-15:40

2 stops38h 50m

Porto

Thu 11/6

11:00-06:25

2 stops34h 25m

$1,766

MelbournePorto

MEL - OPO

MELOPO

Melbourne

Mon 1/6

17:20-06:50

2 stops46h 30m

Porto

Thu 18/6

20:10-15:50

2 stops34h 40m

$2,004

CoolangattaPorto

OOL - OPO

OOLOPO

Coolangatta Gold Coast

Wed 24/6

12:05-13:10

3 stops34h 05m

Porto

Mon 29/6

16:40-11:40

3 stops34h 00m

$3,581

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 $1,440. 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 $1,448.

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 $1,941 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 $1,524 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 SYDNEYJanuary20% cheaperFlying from Sydney to Porto costs on average just $1,440 in January
MOST EXPENSIVE MONTH TO FLY TO PORTO FROM SYDNEYDecember56% more expensiveIt costs about $2,781 for flights to Porto from Sydney in December
MOST POPULAR MONTH TO FLY TO PORTO FROM SYDNEYMay1,019% 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

$916

Best Round-Trip Price

$1,670

Fastest flight time

40h 10m
The best one-way flight price to Porto from Australia in the last 72 hours is $916 (Melbourne to Porto).
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The best round-trip flight price to Porto from Australia in the last 72 hours is $1,670 (Sydney Kingsford Smith to Porto).
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The fastest flight to Porto from Australia takes 40h 10m (Brisbane 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 $1,941. 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 $1,287 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 $1,219
Melbourne to Porto Flightsfrom $1,296
Brisbane to Porto Flightsfrom $1,593