Cheapest return flights from Hamburg to Keflavik in September from $223

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

20 Sep - 24 Sep Ryanair
27 Sep - 01 Oct Ryanair
09 Sep - 15 Sep Scandinavian Airlines
16 Sep - 22 Sep Scandinavian Airlines
11 Sep - 15 Sep Scandinavian Airlines
18 Sep - 22 Sep Scandinavian Airlines
04 Sep - 08 Sep Scandinavian Airlines
03 Sep - 16 Sep Norwegian
13 Sep - 17 Sep Ryanair
25 Sep - 01 Oct Lufthansa
17 Sep - 24 Sep Ryanair
21 Sep - 29 Sep Scandinavian Airlines
30 Sep - 06 Oct LOT
27 Sep - 03 Oct Ryanair
30 Sep - 04 Oct Ryanair
27 Sep - 02 Oct Ryanair
23 Sep - 02 Oct Scandinavian Airlines
24 Sep - 02 Oct British Airways
20 Sep - 05 Oct Scandinavian Airlines
22 Sep - 12 Oct Scandinavian Airlines

Also check the deals for one-way flights from Hamburg to Keflavik 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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