AirHint found the following cheapest return flights from Sandefjord (TRF) to Keflavik (KEF) in August 2026 (see full year).

Return flights

25 Aug - 27 Aug	Scandinavian Airlines
25 Aug - 28 Aug	Wideroe
08 Aug - 15 Aug	Ryanair
08 Aug - 16 Aug	Ryanair
22 Aug - 25 Aug	Wideroe
21 Aug - 24 Aug	Wideroe
29 Aug - 01 Sep	Wideroe
18 Aug - 21 Aug	Wideroe
19 Aug - 22 Aug	Wideroe
23 Aug - 26 Aug	Wideroe
07 Aug - 16 Aug	Ryanair
30 Aug - 02 Sep	Wideroe

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

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 August from 294€

Return flights