Cheap flights from Cairns to Port Moresby
from 205 US$
From 378 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 205 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Cairns to Port Moresby, a about 841 km route (around 1h 33m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as PNG Air, Air Niugini, Qantas operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Cairns to Port Moresby?
It's usually 2026-09, from 205 USD. Use the price calendar to compare other dates.
How long is the flight from Cairns to Port Moresby?
A nonstop flight takes about 1h 33m and covers around 841 km. Connecting itineraries take longer.
Are there direct flights from Cairns to Port Moresby?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Cairns to Port Moresby?
PNG Air, Air Niugini, Qantas operate this route, among others. Compare them all in the results.
When should I book Cairns–Port Moresby flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Cairns → Port Moresby · Live fares from 100+ sites — free, with no hidden fees.