Cheapest return flights from Keflavik to Helsinki in September from 273€

AirHint found the following cheapest return flights from Keflavik (KEF) to Helsinki (HEL) in September 2026 (see full year).

Return flights

24 Sep - 09 Oct Finnair direct
03 Sep - 10 Sep Finnair direct
09 Sep - 16 Sep Finnair direct
01 Sep - 08 Sep Finnair direct
18 Sep - 25 Sep Finnair direct
08 Sep - 15 Sep Finnair direct
22 Sep - 29 Sep Finnair direct
23 Sep - 30 Sep Finnair direct
01 Sep - 09 Sep Finnair direct
10 Sep - 17 Sep Finnair direct
29 Sep - 06 Oct Finnair direct
02 Sep - 09 Sep Icelandair direct
27 Sep - 04 Oct Icelandair direct
30 Sep - 07 Oct Icelandair direct
24 Sep - 01 Oct Icelandair direct
25 Sep - 02 Oct Finnair direct
26 Sep - 03 Oct Icelandair direct
28 Sep - 05 Oct Icelandair direct

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

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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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