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

Return flights

16 Mar - 24 Mar	easyJet
07 Mar - 14 Mar	easyJet
02 Mar - 06 Mar	easyJet
07 Mar - 11 Mar	easyJet
09 Mar - 13 Mar	easyJet
04 Mar - 11 Mar	easyJet
07 Mar - 16 Mar	easyJet
14 Mar - 21 Mar	easyJet
07 Mar - 20 Mar	easyJet
30 Mar - 03 Apr	Lufthansa
14 Mar - 22 Mar	Wizz Air UK
27 Mar - 04 Apr	easyJet
29 Mar - 02 Apr	Austrian Airlines
29 Mar - 06 Apr	Scandinavian Airlines
30 Mar - 04 Apr	Lufthansa
28 Mar - 05 Apr	easyJet
31 Mar - 04 Apr	Ryanair
27 Mar - 04 Apr	Icelandair	direct
30 Mar - 03 Apr	Icelandair	direct
30 Mar - 04 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 $161

Return flights