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

Return flights

08 Mar - 15 Mar	Ryanair
08 Mar - 12 Mar	Ryanair
02 Mar - 09 Mar	Wizz Air
31 Mar - 08 Apr	Ryanair
02 Mar - 08 Mar	Wizz Air
07 Mar - 09 Mar	Ryanair
11 Mar - 15 Mar	Ryanair
06 Mar - 12 Mar	Ryanair
01 Mar - 05 Mar	Wizz Air
19 Mar - 25 Mar	Ryanair
31 Mar - 04 Apr	Ryanair
03 Mar - 21 Mar	Ryanair
27 Mar - 19 Apr	Ryanair
28 Mar - 04 Apr	Ryanair
25 Mar - 05 Apr	Ryanair
26 Mar - 03 Apr	Ryanair
27 Mar - 03 Apr	Ryanair
31 Mar - 03 Apr	Scandinavian Airlines
30 Mar - 02 Apr	Scandinavian Airlines
27 Mar - 05 Apr	Ryanair

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

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 March from $192

Return flights