Cheapest return flights from Prague to Keflavik in September from $169

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

26 Sep - 30 Sep SWISS
19 Sep - 30 Sep SWISS
20 Sep - 23 Sep SWISS
28 Sep - 02 Oct Fly Play direct
10 Sep - 17 Sep easyJet
25 Sep - 02 Oct Fly Play direct
18 Sep - 23 Sep Lufthansa
18 Sep - 29 Sep Scandinavian Airlines
17 Sep - 01 Oct easyJet
04 Sep - 08 Sep Scandinavian Airlines
04 Sep - 11 Sep Scandinavian Airlines
18 Sep - 22 Sep Scandinavian Airlines
06 Sep - 10 Sep easyJet
30 Sep - 04 Oct Lufthansa
25 Sep - 31 Oct LOT
17 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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