Cheapest return flights from Sydney to Keflavik in December from 1698€

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

Return flights

23 Dec - 31 Dec British Airways
13 Dec - 20 Dec British Airways
20 Dec - 10 Jan British Airways

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

Skyscanner

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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