AirHint found the following cheapest return flights from Sandefjord (TRF) to Keflavik (KEF) in October 2025 (see full year).

Return flights

23 Oct - 28 Oct	Wizz Air
16 Oct - 19 Oct	Wizz Air
02 Oct - 08 Oct	Wizz Air
02 Oct - 12 Oct	Wizz Air
21 Oct - 28 Oct	Ryanair
02 Oct - 11 Oct	Wizz Air
09 Oct - 12 Oct	Wizz Air
19 Oct - 23 Oct	Wizz Air
16 Oct - 22 Oct	Wizz Air
05 Oct - 12 Oct	Wizz Air
23 Oct - 16 Nov	Wizz Air
31 Oct - 05 Nov	Ryanair
29 Oct - 03 Nov	Ryanair
29 Oct - 04 Nov	Ryanair
28 Oct - 03 Nov	Ryanair
23 Oct - 01 Nov	Wizz Air
18 Oct - 01 Nov	Ryanair
24 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Sandefjord to Keflavik in October.

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 Sandefjord to Keflavik in October from 137€

Return flights