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

Return flights

15 Apr - 21 Apr	Ryanair
08 Apr - 14 Apr	Ryanair
29 Apr - 05 May	easyJet
14 Apr - 21 Apr	Ryanair
16 Apr - 21 Apr	Ryanair
28 Apr - 05 May	Ryanair
01 Apr - 08 Apr	Ryanair
13 Apr - 21 Apr	Ryanair
21 Apr - 29 Apr	Austrian Airlines
17 Apr - 20 Apr	Austrian Airlines
09 Apr - 18 Apr	Ryanair
22 Apr - 27 Apr	Ryanair
28 Apr - 06 May	Ryanair
30 Apr - 05 May	Ryanair
27 Apr - 04 May	Scandinavian Airlines
24 Apr - 02 May	Scandinavian Airlines
18 Apr - 04 May	Ryanair
24 Apr - 01 May	Scandinavian Airlines
30 Apr - 09 May	Ryanair
11 Apr - 11 May	Ryanair

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

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 April from 142€

Return flights