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

Return flights

01 Jun - 21 Jun	Lufthansa
14 Jun - 21 Jun	Lufthansa
21 Jun - 28 Jun	Fly Play	direct
14 Jun - 21 Jun	Fly Play	direct
18 Jun - 28 Jun	Fly Play	direct
07 Jun - 14 Jun	Fly Play	direct
10 Jun - 15 Jun	SWISS
04 Jun - 07 Jun	Fly Play	direct
16 Jun - 28 Jul	easyJet
15 Jun - 27 Jul	SWISS
17 Jun - 29 Jul	Ryanair
10 Jun - 15 Jun	Icelandair	direct
01 Jun - 21 Jun	Icelandair	direct
15 Jun - 27 Jul	Icelandair	direct
17 Jun - 29 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 192€

Return flights