AirHint found the following cheapest return flights from Sydney (SYD) to Keflavik (KEF) in November 2025 (see full year).

Return flights

16 Nov - 26 Nov	Singapore Airlines
06 Nov - 22 Nov	Qantas
10 Nov - 16 Nov	Singapore Airlines
04 Nov - 09 Nov	Singapore Airlines
08 Nov - 22 Nov	British Airways
08 Nov - 16 Nov	Singapore Airlines
08 Nov - 14 Nov	British Airways
22 Nov - 30 Nov	British Airways
02 Nov - 03 Nov	Emirates

Also check the deals for one-way flights from Sydney to Keflavik in November.

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 Sydney to Keflavik in November from 1252€

Return flights