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$873+ Cheap flights to Porto

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
— OPO
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Flights to Porto in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Porto
Explore the most affordable flight options available to Porto. Find the lowest fares based on data from user searches, with prices last updated on 9 April 2026.

Tue 28/719:40
SYD
-
OPO
2 stops32h 40m
Multiple Airlines
Sun 30/807:35
OPO
-
SYD
2 stops46h 15m
Multiple Airlines
Deal found 6/4$1,541
Tue 28/719:40
SYD
-
OPO
2 stops32h 40m
Multiple Airlines
Thu 27/820:10
OPO
-
SYD
2 stops57h 40m
Multiple Airlines
Deal found 6/4$1,573
Tue 28/719:40
SYD
-
OPO
2 stops32h 40m
Multiple Airlines
Tue 8/907:35
OPO
-
SYD
2 stops46h 15m
Multiple Airlines
Deal found 5/4$1,630
Wed 20/515:40
SYD
-
OPO
2 stops28h 55m
Multiple Airlines
Wed 27/514:15
OPO
-
SYD
2 stops30h 55m
Multiple Airlines
Deal found 5/4$1,658
Sun 17/515:40
SYD
-
OPO
2 stops36h 40m
Etihad Airways
Sun 24/511:35
OPO
-
SYD
2 stops33h 35m
Etihad Airways
Deal found 4/4$1,677
Thu 21/520:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Thu 28/520:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 6/4$1,690
Tue 5/520:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Tue 12/520:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 7/4$1,694
Wed 15/415:40
SYD
-
OPO
2 stops29h 25m
Etihad Airways
Tue 21/420:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 7/4$1,702
Mon 27/719:45
SYD
-
OPO
2 stops34h 35m
Multiple Airlines
Thu 27/822:00
OPO
-
SYD
2 stops55h 50m
Multiple Airlines
Deal found 6/4$1,711
Fri 22/515:40
SYD
-
OPO
2 stops36h 40m
Etihad Airways
Fri 29/520:10
OPO
-
SYD
2 stops49h 00m
Etihad Airways
Deal found 7/4$1,753

Find flight deals to Porto

Find the latest flights to Porto in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 9 April 2026.

Return from

$1,541

One-way from

$897

Popular in

December

Cheapest in

January

Average price

$2,464
28/7-30/8
  • 28/7-30/8
  • 4 total stops
  • 78h 55m total
  • Sydney to Porto
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 55h 50m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($88 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Porto that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 9 April 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 10/5

15:40-06:50

2 stops48h 10m

Porto

Tue 12/5

11:35-16:50

2 stops44h 15m

$1,826

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 30/5

20:50-06:50

2 stops43h 00m

Porto

Mon 13/7

05:05-16:50

2 stops26h 45m

$1,915

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 10/9

11:40-15:45

2 stops37h 05m

Porto

Thu 17/9

11:00-10:00

2 stops38h 00m

$1,945

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 31/5

15:40-16:00

2 stops33h 20m

Porto

Wed 3/6

20:10-16:50

2 stops59h 40m

$2,004
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 15/6

15:40-15:15

2 stops32h 35m

Porto

Fri 18/9

16:05-06:10

2 stops29h 05m

$2,031

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 15/6

15:40-19:20

2 stops36h 40m

Porto

Thu 17/9

11:35-16:50

2 stops44h 15m

$2,031

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 25/7

21:30-19:20

2 stops54h 50m

Porto

Thu 27/8

16:05-16:50

2 stops39h 45m

$2,035

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

15:40-19:20

2 stops36h 40m

Porto

Thu 27/8

11:25-16:50

2 stops44h 25m

$2,038

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

21:30-15:15

2 stops50h 45m

Porto

Sun 26/7

11:35-06:10

2 stops33h 35m

$2,043

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/7

15:40-15:15

2 stops32h 35m

Porto

Sun 26/7

16:05-16:50

2 stops39h 45m

$2,043

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight to Porto

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

When is the best time to book a flight to Porto?

Use this chart to determine the optimal time to book a return flight from Sydney to Porto. Price data was last updated on 9 April 2026.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 9 April 2026.
Get a feel of what it's like to fly with KLM,Qatar Airways, andEtihad Airways to Portugal by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,492 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Qatar Airways
7.4
Good
3,727 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Etihad Airways
7.3
Good
1,428 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.3
Good
4,305 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,900 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

FAQs about flying to Porto

  • What airport do you fly into for flights to Porto?

    Most people fly into Porto (OPO) if they book a flight to Porto. Porto is conveniently located just 10.9 km from Porto’s city centre.

  • Can I find cheaper flights to Porto if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Porto on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Porto?

    Based on reviews from Cheapflights users, Japan Airlines is rated the highest out of the airlines that fly to Porto.

  • What is the cheapest airport to fly to in Porto?

    Porto is currently the cheapest airport to fly to in Porto. One-way flights to Porto typically cost $35, while return flights cost around $33.

  • How much is a return flight to Porto?

    A return flight to Porto will typically cost around $51, however they can be found for as little as $33.

  • Where does the fastest flight to Porto depart from?

    For those looking to save time traveling to Porto, Brisbane offers the quickest one-way flight (31 hours 0 minutes).

  • Does Porto have car hire?

    Yes. Those touching down at Porto can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Porto?

    Yes. Porto has hotels nearby for those requiring accommodations. Room near the airport is the closest property to Porto (0.0 km away from Porto).

See more FAQs

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How does Cheapflights help users find flights to Porto?

Deals for Porto flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets 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.

Can Cheapflights find flights to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Porto, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Porto flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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