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Find cheap KLM flights to Porto

CMH — OPO
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

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Cheapest KLM flights from Australia to Porto
Explore the most affordable KLM flight options available from Australia to Porto. Find the lowest fares with prices last updated on 27 July 2026.

Thu 30/710:10
SYD
-
OPO
2 stops31h 20m
KLM
Wed 30/916:20
OPO
-
SYD
3 stops29h 10m
KLM
Deal found 27/7$3,724

Flights to Porto with KLM at a glance

Find detailed information about KLM flights from Australia to Porto. Explore the options provided by KLM to plan your journey from Australia to Porto. Data last updated 27 July 2026.

Return from

$2,479

One-way from

$8,770
KLM
  • KLM
  • 1/11-10/11
  • 5 total stops
  • 74h 20m total
  • Australia to Porto
Search Deals
KLM
  • KLM
  • 7/9
  • 3 total stops
  • 38h 20m total
  • Australia to Porto
Search Deals

Cheapflights Insights

Find cheap KLM flights to Porto

How long is the flight to Porto with KLM?

On average, KLM flights from Australia to Porto take 32 hours 26 minutes. Flights to Porto from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flights to Porto with KLM

  • Which airport do KLM flights arrive at when travelling to Porto?

    KLM flights on this route tend to land at Porto Airport.

  • Is KLM the cheapest airline for a flight to Porto?

    Flight prices will depend on factors like date, time, and cabin class, so it is worth comparing flights before booking. Based on Cheapflights data, the cheapest average return price for flights to Porto tends to be with Japan Airlines.

  • Are there alternative airlines other than KLM that fly to Porto?

    Etihad Airways, Turkish Airlines and Qatar Airways all fly to Porto and offer an alternative to KLM.

  • How much is a KLM flight to Porto?

    The average price for a return flight is $2,727.

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Reviews of KLM

See what Cheapflights users have to say about their KLM experience.
KLM
7.8
Good
1,550 reviews
Check prices
Overview

Crew

8.4

Food

7.3

Entertainment

7.2

Comfort

7.7

Boarding

7.8

Popular KLM flights

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Fly your favourite airline to Porto

Fly your favorite airline to Porto. Flight routes are based on user searches made on Cheapflights and were last updated on 27 July 2026.
KLM flights from Sydney to Porto