Cheapest return flights from Prague to Keflavik in September from $206

Best time to book flights for Prague (PRG) to Keflavik (KEF) flights at AirHint

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

Return flights

15 Sep - 23 Sep SWISS
18 Sep - 25 Sep Fly Play direct
20 Sep - 27 Sep Scandinavian Airlines
25 Sep - 30 Sep Scandinavian Airlines
01 Sep - 08 Sep Scandinavian Airlines
25 Sep - 28 Sep Fly Play direct
30 Sep - 07 Oct SWISS
15 Sep - 18 Sep Scandinavian Airlines
03 Sep - 10 Sep Norwegian
08 Sep - 16 Sep Scandinavian Airlines
21 Sep - 28 Sep LOT
28 Sep - 05 Oct Fly Play direct
24 Sep - 01 Oct easyJet
26 Sep - 03 Oct easyJet
24 Sep - 01 Oct Icelandair direct

Also check the deals for one-way flights from Prague 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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