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$1,002+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— OPO
6 Jul — 13 Jul1
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 6 June 2026.

Sat 25/719:40
SYD
-
OPO
2 stops34h 40m
Multiple Airlines
Thu 27/808:35
OPO
-
SYD
2 stops45h 15m
Multiple Airlines
Deal found 2/6$1,619
Wed 15/719:40
SYD
-
OPO
2 stops34h 40m
Multiple Airlines
Sun 13/908:35
OPO
-
SYD
2 stops45h 15m
Multiple Airlines
Deal found 1/6$1,670
Wed 15/719:40
SYD
-
OPO
3 stops45h 10m
Multiple Airlines
Sun 20/911:00
OPO
-
SYD
3 stops42h 50m
Multiple Airlines
Deal found 2/6$1,726
Sun 19/711:40
SYD
-
OPO
2 stops31h 00m
Turkish Airlines
Fri 18/910:40
OPO
-
SYD
2 stops38h 00m
Turkish Airlines
Deal found 2/6$1,849
Sat 4/722:10
SYD
-
OPO
2 stops34h 20m
Multiple Airlines
Fri 11/910:40
OPO
-
SYD
2 stops38h 00m
Multiple Airlines
Deal found 5/6$1,856
Tue 14/714:45
SYD
-
OPO
2 stops28h 00m
Multiple Airlines
Tue 15/916:50
OPO
-
SYD
2 stops31h 50m
Multiple Airlines
Deal found 1/6$1,857
Thu 23/719:40
SYD
-
OPO
3 stops45h 20m
Multiple Airlines
Thu 27/807:00
OPO
-
SYD
3 stops46h 50m
Multiple Airlines
Deal found 6/6$1,862
Thu 16/709:50
SYD
-
OPO
2 stops38h 55m
Multiple Airlines
Mon 24/810:40
OPO
-
SYD
2 stops35h 05m
Multiple Airlines
Deal found 3/6$1,867
Sun 26/715:40
SYD
-
OPO
2 stops48h 10m
Etihad Airways
Tue 11/820:10
OPO
-
SYD
2 stops49h 00m
Etihad Airways
Deal found 4/6$1,877

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 6 June 2026.

Return from

$1,619

One-way from

$923

Popular in

December

Cheapest in

January

Average price

$2,470
25/7-27/8
  • 25/7-27/8
  • 4 total stops
  • 79h 55m total
  • Sydney to Porto
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 42h 50m total
  • Sydney to Porto
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($200 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 6 June 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 16/7

07:05-09:40

3 stops35h 35m

Porto

Mon 24/8

10:40-05:10

2 stops33h 30m

$1,867

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 6/7

14:00-09:40

2 stops28h 40m

Porto

Tue 29/9

10:40-05:10

2 stops33h 30m

$1,924

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Sat 18/7

11:00-07:50

3 stops53h 50m

Porto

Sat 25/7

09:00-12:35

3 stops42h 35m

$2,000

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

09:50-15:40

2 stops38h 50m

Porto

Thu 27/8

11:00-06:45

2 stops34h 45m

$2,097
Fastest return journey

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 16/7

10:00-09:40

2 stops32h 40m

Porto

Mon 24/8

06:30-20:30

2 stops29h 00m

$2,114

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Fri 24/7

14:35-15:40

2 stops34h 05m

Porto

Fri 11/9

10:40-10:20

2 stops38h 40m

$2,148
Cheapest one-way

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Thu 15/10

22:00-14:20

3 stops50h 20m

$1,002

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 14/9

20:50-06:50

2 stops43h 00m

$1,096

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 14/9

21:45-22:50

3 stops58h 05m

$1,199

SydneyPorto

SYD - OPO

SYDOPO

Sydney Kingsford Smith

Mon 29/6

20:30-19:10

2 stops55h 40m

$1,208

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 12 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?

Booking 20 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 6 June 2026.
Get a feel of what it's like to fly with KLM,Qatar Airways, andTurkish Airlines 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
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Qatar Airways
7.4
Good
3,731 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7.4
Good
4,407 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Etihad Airways
7.3
Good
1,448 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,039 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.2

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 $41, 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, Melbourne offers the quickest one-way flight (33 hours 50 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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Fly with Cheapflights

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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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