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

Return flights

21 Oct - 27 Oct	easyJet
08 Oct - 16 Oct	Wizz Air
21 Oct - 26 Oct	easyJet
07 Oct - 16 Oct	easyJet
14 Oct - 21 Oct	easyJet
11 Oct - 17 Oct	Ryanair
11 Oct - 16 Oct	Ryanair
02 Oct - 05 Oct	Scandinavian Airlines
02 Oct - 06 Oct	Scandinavian Airlines
02 Oct - 11 Oct	Scandinavian Airlines
31 Oct - 06 Nov	easyJet
31 Oct - 05 Nov	easyJet
31 Oct - 09 Nov	easyJet
20 Oct - 02 Nov	Scandinavian Airlines
25 Oct - 01 Nov	Scandinavian Airlines
29 Oct - 05 Nov	Eurowings

Also check the deals for one-way flights from Hamburg 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.

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Cheapest return flights from Hamburg to Keflavik in October from 186€

Return flights