Cheapest return flights from Sandefjord to Keflavik in September from $340

Best time to book flights for Sandefjord (TRF) to Keflavik (KEF) flights at AirHint

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

Return flights

27 Sep - 04 Oct Ryanair
25 Sep - 29 Sep Wizz Air
16 Sep - 23 Sep Wideroe
16 Sep - 30 Sep Wideroe
29 Sep - 05 Oct Scandinavian Airlines
26 Sep - 03 Oct Wideroe
28 Sep - 01 Oct Wideroe
30 Sep - 03 Oct Wideroe
23 Sep - 26 Sep Wideroe
03 Sep - 10 Sep Wideroe
16 Sep - 19 Sep Wideroe
10 Sep - 20 Sep Wideroe
02 Sep - 05 Sep Wideroe
30 Sep - 09 Oct Lufthansa
09 Sep - 12 Sep Wideroe
14 Sep - 17 Sep Wideroe

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

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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