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

Return flights

04 Mar - 11 Mar	easyJet
06 Mar - 25 Mar	easyJet
13 Mar - 16 Mar	Transavia France
09 Mar - 28 Mar	easyJet
01 Mar - 09 Mar	easyJet
06 Mar - 13 Mar	easyJet
06 Mar - 09 Mar	British Airways
30 Mar - 04 Apr	Lufthansa
06 Mar - 09 Mar	Icelandair	direct
09 Mar - 28 Mar	Icelandair	direct
30 Mar - 04 Apr	Icelandair	direct
06 Mar - 13 Mar	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 168€

Return flights