Cheap Flights from Bangkok to Cairns

Round-trip economy fares between Bangkok (BKK) and Cairns (CNS) average A$647 across the year. Book for March and typical prices fall to A$569. The 5,998 km hop takes about 7.7 hours non-stop, and the nicest window to visit Cairns is June – September (dry season, best Reef visibility).

BKK CNS 5,998 km · ~7.7h non-stop

Today's tracked low

A$518 −9% vs. seasonal low

Not flying from Bangkok? See Cairns deals from your nearest hub.

When is the cheapest time to fly from Bangkok to Cairns?

Average round-trip economy fare by departure month. March is the statistical sweet spot at A$569.

Average round-trip fares from Bangkok to Cairns by month
Month Avg. round-trip vs. yearly average
January A$608 −A$39
February A$582 −A$65
March Cheapest A$569 −A$78
April A$621 −A$26
May A$673 +A$26
June A$751 +A$104
July A$789 +A$142
August A$763 +A$116
September A$712 +A$65
October A$673 +A$26
November A$595 −A$52
December A$634 −A$13

Travel Readiness & Connectivity — Australia

ETA / eVisitor authorisation required before boarding.

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Bangkok to Cairns flight FAQs

What is the cheapest month to fly from Bangkok to Cairns?
March is typically cheapest, with round-trips from A$569 — about A$78 under the yearly average of A$647.
How long is the flight from Bangkok to Cairns?
Non-stop services cover the 5,998 km route in roughly 7.7 hours.
When is the best time to visit Cairns?
June – September (dry season, best Reef visibility). Entry requirements: ETA / eVisitor authorisation required before boarding.

Cairns from other departure cities