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

Return flights

07 Jun - 14 Jun	Ryanair
07 Jun - 19 Jun	Ryanair
04 Jun - 14 Jun	easyJet
01 Jun - 05 Jun	Transavia France
03 Jun - 07 Jun	easyJet
17 Jun - 25 Jun	SWISS
06 Jun - 14 Jun	Wizz Air UK
04 Jun - 09 Jun	Transavia France
10 Jun - 14 Jun	easyJet
16 Jun - 21 Jun	Ryanair
24 Jun - 03 Jul	Ryanair
21 Jun - 08 Jul	Ryanair
22 Jun - 08 Jul	Transavia France
24 Jun - 08 Jul	Ryanair
30 Jun - 22 Jul	Ryanair
01 Jun - 12 Jul	Transavia France
24 Jun - 10 Jul	SWISS
26 Jun - 08 Jul	Finnair
29 Jun - 10 Jul	Scandinavian Airlines
30 Jun - 20 Jul	Ryanair

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Prague to Keflavik in June from $241

Return flights