Cheapest return flights from Hamburg to Keflavik in September from $251

Best time to book flights for Hamburg (HAM) to Keflavik (KEF) flights at AirHint

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

Return flights

09 Sep - 10 Sep Ryanair
09 Sep - 17 Sep Ryanair
24 Sep - 01 Oct Wizz Air
09 Sep - 16 Sep Ryanair
16 Sep - 27 Sep Ryanair
02 Sep - 16 Sep Ryanair
02 Sep - 09 Sep Ryanair
09 Sep - 12 Sep Ryanair
09 Sep - 09 Sep Ryanair
02 Sep - 02 Sep Ryanair
09 Sep - 18 Sep Ryanair
30 Sep - 05 Oct Wizz Air
20 Sep - 05 Oct LOT
29 Sep - 04 Oct Ryanair
26 Sep - 05 Oct Scandinavian Airlines
27 Sep - 05 Oct British Airways

Also check the deals for one-way flights from Hamburg 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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