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

Return flights

03 Jun - 07 Jun	easyJet
07 Jun - 19 Jun	Ryanair
01 Jun - 05 Jun	Transavia France
17 Jun - 25 Jun	SWISS
04 Jun - 09 Jun	Transavia France
10 Jun - 14 Jun	easyJet
08 Jun - 19 Jun	Transavia France
01 Jun - 14 Jun	easyJet
16 Jun - 24 Jun	Ryanair
02 Jun - 04 Jun	Ryanair
24 Jun - 03 Jul	Ryanair
24 Jun - 08 Jul	Ryanair
29 Jun - 07 Jul	Transavia France
26 Jun - 08 Jul	Finnair
30 Jun - 07 Jul	Ryanair
29 Jun - 10 Jul	Scandinavian Airlines
29 Jun - 08 Jul	Scandinavian Airlines
19 Jun - 03 Jul	Scandinavian Airlines
26 Jun - 03 Jul	Finnair
26 Jun - 10 Jul	Scandinavian Airlines

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 $260

Return flights