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

Return flights

14 Jul - 21 Jul	Wizz Air UK
02 Jul - 19 Jul	Fly Play	direct
02 Jul - 09 Jul	Fly Play	direct
03 Jul - 08 Jul	Finnair
02 Jul - 08 Jul	Finnair
03 Jul - 09 Jul	easyJet
03 Jul - 12 Jul	Finnair
03 Jul - 08 Jul	Icelandair	direct
03 Jul - 12 Jul	Icelandair	direct

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

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 July from 263€

Return flights