AirHint found the following cheapest return flights from Cairns (CNS) to London (LGW) in March 2026 (see full year).

Return flights

02 Mar - 18 Mar	Singapore Airlines
16 Mar - 17 Mar	Virgin Australia
04 Mar - 17 Mar	Emirates
11 Mar - 03 Apr	Singapore Airlines
11 Mar - 02 Apr	Singapore Airlines
12 Mar - 01 Apr	Qatar Airways

Also check the deals for one-way flights from Cairns to London in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cairns to London in March from 999€

Return flights