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

Return flights

16 Mar - 19 Mar	easyJet
23 Mar - 31 Mar	Wizz Air UK
14 Mar - 17 Mar	easyJet
05 Mar - 14 Mar	Lufthansa
27 Mar - 09 Apr	Ryanair
25 Mar - 29 Mar	easyJet
12 Mar - 21 Mar	Ryanair
31 Mar - 07 Apr	Ryanair
20 Mar - 30 Mar	Austrian Airlines
06 Mar - 21 Mar	Austrian Airlines
06 Mar - 14 Mar	Austrian Airlines
15 Mar - 19 Mar	Ryanair
31 Mar - 05 Apr	Scandinavian Airlines
30 Mar - 03 Apr	Scandinavian Airlines
27 Mar - 10 Apr	Ryanair
28 Mar - 04 Apr	Icelandair	direct
30 Mar - 04 Apr	Smart Wings
27 Mar - 10 Apr	Icelandair	direct
27 Mar - 06 Apr	Ryanair
27 Mar - 06 Apr	Icelandair	direct

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

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 March from 169€

Return flights