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C$848 Cheap Flights from Cairns (CNS) to Porto (OPO)

Compare Cairns to Porto flight deals

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Flight deals from Cairns to Porto

Looking for a cheap last-minute deal or the best return flight from Cairns Airport to Porto Airport? If you want to travel next month, return fares start from C$2,390. Find the lowest prices on one-way and return tickets right here.
Porto.C$848 per passenger.Departing Mon., Sep. 28.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Mon., Sep. 28, arriving in Porto.Price includes taxes and charges.From C$848, select.
Porto.C$865 per passenger.Departing Sat., Feb. 27.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Sat., Feb. 27, arriving in Porto.Price includes taxes and charges.From C$865, select.
Porto.C$946 per passenger.Departing Wed., Aug. 12.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Wed., Aug. 12, arriving in Porto.Price includes taxes and charges.From C$946, select.
Porto.C$1,142 per passenger.Departing Sat., Dec. 5.One-way flight with Jetstar.Outbound indirect flight with Jetstar, departs from Cairns on Sat., Dec. 5, arriving in Porto.Price includes taxes and charges.From C$1,142, select.
Porto.C$1,255 per passenger.Departing Thu., Jun. 10.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Cairns on Thu., Jun. 10, arriving in Porto.Price includes taxes and charges.From C$1,255, select.
Porto.C$2,316 per passenger.Departing Sat., Jan. 2.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Cairns on Sat., Jan. 2, arriving in Porto.Price includes taxes and charges.From C$2,316, select.

Find the cheapest month to fly from Cairns to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cairns to Porto flights are currently cheapest in September.
Jul.
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Aug.
from C$946
Sep.
from C$848
Oct.
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Nov.
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Dec.
from C$1,142
Jan.
from C$2,316
Feb.
from C$865
Mar.
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Apr.
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May
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Jun.
from C$1,255

Cairns to Porto: Alternative routes

Compare routes from Cairns to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Porto

12km from central Porto
ClosestCheapest
from C$848
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Vila Real

76km from central Porto
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Viseu G. Lobato

81km from central Porto
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Cairns to Porto: Flight information

The things to know before you go.
Cheapest flight foundC$848
Cheapest month to flySeptember

Finding cheap flights from Cairns to Porto: Frequently asked questions

The best price we found for a return flight from Cairns to Porto is C$2,058. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cairns to Porto. But we found flights with one or more stops from C$2,058.
As of July 2026, there are no flights flying from Cairns to Porto.
The cheapest month to fly from Cairns to Porto is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cairns Airport to Porto Airport on Sunday, November 1, 2026.
No airlines currently offer direct flights between Cairns Airport and Porto Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Jetstar offers the cheapest flight tickets to Porto.

Flying from Cairns Airport (CNS) to Porto Airport (OPO): what you need to know

  • You'll likely experience bigger queues during popular months like July and other peak periods. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

  • To find out whether you need a visa to enter Portugal, check with your carrier and the local consulate or embassy. They'll provide you with all the necessary information, including any other travel documents you may need after booking your cheap ticket from CNS to OPO.

How to find the cheapest flights from Cairns Airport (CNS) to Porto Airport (OPO)

  • C$848 is currently the best price for a one-way ticket from Cairns Airport to Porto Airport. A return flight starts at C$2,058. These prices can change based on availability and demand.

  • Don't leave everything to the last moment. You're more likely to find cheap flight tickets from CNS to OPO if you book in advance. Airlines often offer some excellent early bird deals.

  • Finding cheap flight tickets from Cairns Airport to Porto Airport is more likely if you can be flexible with your dates. Try using the 'Whole month' function to see the lowest fares across each month and land a great deal.

  • Finding a cheap ticket from CNS to OPO is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Use filters to find the ideal trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Cairns Airport to Porto Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Cairns Airport (CNS)

  • The journey from central Cairns to Cairns Airport takes around 1 hour and 26 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic conditions.

  • Want a convenient hotel close to CNS? If you've booked an early flight from Cairns Airport to Porto Airport, these stays will put you moments from your check-in counter:

Arriving at Porto Airport (OPO)

  • If you have a late flight from Cairns Airport to Porto Airport, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these hotels near OPO:

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto is about 21 minutes by car. It's approximately 16 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing services.

  • If you're using public transport, expect a journey time of around 49 minutes.

When to fly to Porto Airport (OPO)

  • August is the busiest month for flights from Cairns Airport to Porto Airport. To skip the crowds, go to Porto in February.

  • Book your flight from Cairns Airport to Porto Airport for August if you'd like to explore Porto during its warmest month. Expect temperatures of between 14ºC and 32ºC.

  • January has average temperatures of between 3ºC and 14ºC. Look for cheap flight tickets from CNS to OPO around that time if you want to travel when it's cooler.

More about Porto

Complete your Porto trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Porto Airport, explore our great car rental deals that'll give you the freedom to see the sights at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect Porto stay.

Plan the rest of your trip from Cairns to Porto

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.