$758+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— OPO
15 Apr — 22 Apr1
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 16 March 2026.

Tue 14/415:40
SYD
-
OPO
2 stops35h 10m
Multiple Airlines
Tue 21/421:30
OPO
-
SYD
2 stops34h 20m
Multiple Airlines
Deal found 15/3$1,444
Sat 11/420:50
SYD
-
OPO
2 stops34h 20m
Multiple Airlines
Sat 18/413:10
OPO
-
SYD
2 stops32h 00m
Multiple Airlines
Deal found 12/3$1,491
Tue 7/420:50
SYD
-
OPO
2 stops47h 10m
Etihad Airways
Tue 14/416:05
OPO
-
SYD
2 stops39h 45m
Etihad Airways
Deal found 14/3$1,492
Mon 6/415:40
SYD
-
OPO
2 stops30h 55m
Multiple Airlines
Mon 20/409:15
OPO
-
SYD
2 stops35h 55m
Multiple Airlines
Deal found 14/3$1,494
Thu 30/420:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Thu 7/516:05
OPO
-
SYD
2 stops39h 45m
Etihad Airways
Deal found 15/3$1,498
Mon 11/520:30
SYD
-
OPO
2 stops35h 50m
Multiple Airlines
Sun 17/506:35
OPO
-
SYD
2 stops41h 25m
Multiple Airlines
Deal found 12/3$1,505
Tue 28/415:40
SYD
-
OPO
2 stops32h 35m
Etihad Airways
Tue 5/516:05
OPO
-
SYD
2 stops39h 45m
Etihad Airways
Deal found 13/3$1,508
Sun 3/515:40
SYD
-
OPO
2 stops36h 40m
Etihad Airways
Thu 28/520:10
OPO
-
SYD
2 stops35h 40m
Etihad Airways
Deal found 13/3$1,529
Tue 28/719:40
SYD
-
OPO
2 stops32h 40m
Multiple Airlines
Tue 8/907:35
OPO
-
SYD
2 stops46h 15m
Multiple Airlines
Deal found 15/3$1,546
Sun 26/415:40
SYD
-
OPO
2 stops32h 35m
Etihad Airways
Sun 3/507:05
OPO
-
SYD
2 stops24h 45m
Etihad Airways
Deal found 12/3$1,554
Sat 11/420:50
SYD
-
OPO
2 stops43h 00m
Etihad Airways
Sat 18/411:35
OPO
-
SYD
2 stops33h 35m
Etihad Airways
Deal found 15/3$1,600

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 16 March 2026.

Return from

$1,444

One-way from

$758

Popular in

December

Cheapest in

February

Average price

$1,690
14/4-21/4
  • 14/4-21/4
  • 4 total stops
  • 69h 30m total
  • Sydney to Porto
20/4
  • 20/4
  • 3 total stops
  • 32h 20m total
  • Sydney to Porto
Highest demand for flights based on searches. 10% potential increase in price ($235 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($88 potential savings vs. average return price).
Average for return flights in March 2026

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 16 March 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

Tue 14/4

15:40-19:20

2 stops36h 40m

Porto

Tue 21/4

11:35-16:50

2 stops44h 15m

$1,600

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 11/4

20:50-06:50

2 stops43h 00m

Porto

Sat 18/4

11:35-06:10

2 stops33h 35m

$1,600

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sun 3/5

15:40-19:20

2 stops36h 40m

Porto

Tue 26/5

11:35-16:50

2 stops44h 15m

$1,629
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 5/5

15:40-15:15

2 stops32h 35m

Porto

Mon 25/5

16:05-06:10

2 stops29h 05m

$1,629

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 2/5

20:50-10:55

2 stops47h 05m

Porto

Thu 28/5

16:05-16:50

2 stops39h 45m

$1,640

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 30/4

20:50-15:15

2 stops51h 25m

Porto

Sun 31/5

11:35-16:50

2 stops44h 15m

$1,918

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 1/5

15:40-19:20

2 stops36h 40m

Porto

Thu 28/5

16:05-16:50

2 stops39h 45m

$1,918

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

07:05-09:45

3 stops35h 40m

Porto

Fri 11/9

10:40-06:25

2 stops34h 45m

$2,038

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

07:25-09:45

2 stops59h 20m

Porto

Fri 11/9

10:40-10:25

2 stops38h 45m

$2,060

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 1/5

09:30-09:45

2 stops33h 15m

Porto

Fri 29/5

09:00-07:00

2 stops37h 00m

$2,241

Flights are sorted by cheapest return flights first.

Deals found on 13/3

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 13 March 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 16 March 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.

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.8

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, Etihad Airways 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, Sydney Kingsford Smith offers the quickest one-way flight (27 hours 35 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Viseu

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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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