$1,690+ Cheap flights to Porto

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
— OPO
6 Sep — 13 Sep1
1 adult

Flights to Porto in 2025

Find the latest flights to Porto in 2025, 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 1 September 2025.

Return from

$1,690

Popular in

December

Cheapest in

January

Average price

$1,866
14/10-21/10
  • 14/10-21/10
  • 4 total stops
  • 70h 25m total
  • Sydney to Porto
Highest demand for flights based on searches. 7% potential increase in price ($269 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($116 potential savings vs. average return price).
Average for return flights in September 2025

Find flight deals to Porto

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 1 September 2025.

Tue 14/1020:40SYD - OPO
2 stops32h 40mMultiple Airlines
Tue 21/1016:05OPO - SYD
2 stops37h 45mMultiple Airlines
Deal found 30/8$1,690
Wed 15/1010:15SYD - OPO
3 stops45h 05mMultiple Airlines
Wed 22/1007:10OPO - SYD
3 stops39h 40mMultiple Airlines
Deal found 31/8$1,704
Wed 15/1021:55SYD - OPO
2 stops45h 50mTurkish Airlines
Wed 22/1016:50OPO - SYD
2 stops41h 10mTurkish Airlines
Deal found 31/8$1,739
Thu 16/1012:00SYD - OPO
2 stops35h 00mMultiple Airlines
Thu 23/1012:25OPO - SYD
3 stops35h 35mMultiple Airlines
Deal found 31/8$1,834
Thu 16/1021:55SYD - OPO
2 stops27h 55mTurkish Airlines
Thu 23/1016:50OPO - SYD
2 stops31h 55mTurkish Airlines
Deal found 31/8$1,855
Tue 14/1021:55SYD - OPO
1 stop27h 55mTurkish Airlines
Tue 21/1016:50OPO - SYD
1 stop41h 10mTurkish Airlines
Deal found 30/8$1,977
Wed 10/1212:45SYD - OPO
2 stops32h 10mTurkish Airlines
Fri 2/116:10OPO - SYD
2 stops40h 40mTurkish Airlines
Deal found 31/8$2,422
Tue 14/1015:50SYD - OPO
2 stops33h 40mKLM
Tue 21/1016:20OPO - SYD
3 stops29h 10mKLM
Deal found 30/8$2,647
Wed 10/1212:45SYD - OPO
3 stops32h 45mKLM
Fri 2/106:30OPO - SYD
3 stops41h 15mKLM
Deal found 31/8$2,987
Wed 10/1221:45SYD - OPO
3 stops35h 45mMultiple Airlines
Fri 2/116:10OPO - SYD
2 stops40h 40mMultiple Airlines
Deal found 31/8$3,094

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 1 September 2025.
Use the filters below to find and compare flights to Porto that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/10

20:40-19:20

2 stops32h 40m

Porto

Tue 21/10

16:05-15:50

2 stops37h 45m

$1,690

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 15/10

10:15-21:20

3 stops45h 05m

Porto

Wed 22/10

07:10-08:50

3 stops39h 40m

$1,704

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 15/10

21:55-09:45

2 stops45h 50m

Porto

Wed 22/10

16:50-20:00

2 stops41h 10m

$1,739

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/10

12:00-13:00

2 stops35h 00m

Porto

Thu 23/10

12:25-10:00

3 stops35h 35m

$1,834

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/10

21:55-15:50

2 stops27h 55m

Porto

Thu 23/10

16:50-10:45

2 stops31h 55m

$1,855

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/10

21:55-15:50

1 stop27h 55m

Porto

Tue 21/10

16:50-20:00

1 stop41h 10m

$1,977

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 10/12

12:45-09:55

2 stops32h 10m

Porto

Fri 2/1

16:10-19:50

2 stops40h 40m

$2,422

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Tue 14/10

15:50-15:30

2 stops33h 40m

Porto

Tue 21/10

16:20-07:30

3 stops29h 10m

$2,647

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 10/12

12:45-10:30

3 stops32h 45m

Porto

Fri 2/1

06:30-10:45

3 stops41h 15m

$2,987

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Wed 10/12

21:45-22:30

3 stops35h 45m

Porto

Fri 2/1

16:10-19:50

2 stops40h 40m

$3,094

Flights are sorted by cheapest return flights first.

Deals found on 30/8

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 29 August 2025.

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.

When is the cheapest time to fly to Porto?

Use this chart to determine the cheapest time to fly return from Sydney to Porto. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Porto should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday mornings, when prices are usually at their highest.

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 1 September 2025.
Get a feel of what it's like to fly with SWISS, 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.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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 $33, while return flights cost around $35.

  • How much is a return flight to Porto?

    A return flight to Porto will typically cost around $36, however they can be found for as little as $23.

  • 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 (31 hours 25 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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