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Flights between Cairns (CNS) and Port Moresby (POM)

Cairns International Airport, Australia ↔ Port Moresby Jacksons International Airport, Papua New Guinea

A direct route between Cairns and Port Moresby appears in the OpenFlights route network.

Airlines currently operating this route:

Observed from recent schedules · as of 4 Aug 2026 — sampled, not a live timetable; confirm with the airline.

Air Niugini (PX)
Distance
843 km
524 miles
Est. flight time
1h 33m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Australia

Jan
29°
34/24
80mm
Feb
29°
34/24
70mm
Mar
27°
32/22
60mm
Apr
24°
29/19
50mm
May
21°
26/16
70mm
Jun
18°
23/13
80mm
Jul
17°
22/12
90mm
Aug
19°
24/14
90mm
Sep
22°
27/17
70mm
Oct
25°
30/20
75mm
Nov
27°
32/22
80mm
Dec
28°
33/23
90mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Papua New Guinea

Jan
27°
32/22
180mm
Feb
27°
32/22
200mm
Mar
27°
32/22
190mm
Apr
27°
32/22
110mm
May
27°
32/22
60mm
Jun
26°
31/21
30mm
Jul
26°
31/21
20mm
Aug
26°
31/21
20mm
Sep
27°
32/22
25mm
Oct
27°
32/22
40mm
Nov
28°
33/23
60mm
Dec
27°
32/22
120mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Australia: Normal precautions (UK FCDO) ↗Papua New Guinea: Caution — some areas (UK FCDO) ↗

Common questions

How far is Cairns from Port Moresby?

Cairns (CNS) and Port Moresby (POM) are around 843 km (524 miles) apart — an estimated 1h 33m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the CNS–POM route?

Airlines recorded operating this route in the OpenFlights network include Air Niugini. This reflects historical scheduled service and may be out of date.

What is the time difference between Cairns and Port Moresby?

Both airports keep the same time — no time difference.

When is it warmest in Papua New Guinea?

Across Papua New Guinea, the warmest month on average is November, with mean temperatures around 28°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Australia and Papua New Guinea?

The UK FCDO currently rates Australia as Normal precautions; The UK FCDO rates Papua New Guinea as Caution — some areas. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.