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

Return flights

08 Apr - 15 Apr	Ryanair
14 Apr - 21 Apr	Ryanair
15 Apr - 21 Apr	Ryanair
09 Apr - 16 Apr	Ryanair
01 Apr - 08 Apr	Ryanair
22 Apr - 29 Apr	Ryanair
01 Apr - 16 Apr	Ryanair
16 Apr - 19 Apr	Ryanair
17 Apr - 20 Apr	Austrian Airlines
15 Apr - 20 Apr	Ryanair
27 Apr - 06 May	Ryanair
27 Apr - 05 May	Ryanair
25 Apr - 05 May	Ryanair
16 Apr - 30 May	Scandinavian Airlines
24 Apr - 02 May	Scandinavian Airlines
29 Apr - 10 May	Ryanair
18 Apr - 04 May	Ryanair
30 Apr - 09 May	Ryanair
29 Apr - 07 May	Ryanair
30 Apr - 04 May	Scandinavian Airlines

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 $177

Return flights