AirHint found the following cheapest return flights from Prague (PRG) to Keflavik (KEF) in June 2026 (see full year).

Return flights

04 Jun - 08 Jun	easyJet
03 Jun - 08 Jun	easyJet
01 Jun - 08 Jun	easyJet
06 Jun - 14 Jun	easyJet
02 Jun - 12 Jun	Wizz Air UK
02 Jun - 16 Jun	Wizz Air UK
10 Jun - 19 Jun	easyJet
01 Jun - 05 Jun	easyJet
08 Jun - 15 Jun	easyJet
05 Jun - 12 Jun	easyJet
22 Jun - 23 Jul	SWISS
24 Jun - 03 Jul	SWISS
26 Jun - 01 Jul	Scandinavian Airlines
29 Jun - 01 Jul	Scandinavian Airlines
24 Jun - 03 Jul	Icelandair	direct
29 Jun - 01 Jul	Icelandair	direct

Also check the deals for one-way flights from Prague to Keflavik in June.

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 Prague to Keflavik in June from 188€

Return flights