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

Return flights

25 Oct - 31 Oct	Wizz Air
25 Oct - 01 Nov	Wizz Air
22 Oct - 27 Oct	Wizz Air
22 Oct - 26 Oct	Wizz Air
24 Oct - 31 Oct	Ryanair
04 Oct - 12 Oct	Ryanair
04 Oct - 11 Oct	Ryanair
07 Oct - 12 Oct	Ryanair
01 Oct - 07 Oct	Wizz Air
05 Oct - 12 Oct	Wizz Air
07 Oct - 14 Oct	Ryanair
28 Oct - 03 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Sandefjord to Keflavik in October from $238

Return flights