AirHint found the following cheapest return flights from Paris (CDG) to Keflavik (KEF) in May 2026 (see full year).

Return flights

02 May - 09 May	easyJet
15 May - 26 May	easyJet
05 May - 12 May	easyJet
07 May - 10 May	Scandinavian Airlines
01 May - 05 May	easyJet
26 May - 02 Jun	Scandinavian Airlines
23 May - 06 Jun	easyJet
07 May - 15 May	Scandinavian Airlines
14 May - 17 May	LOT
01 May - 10 May	easyJet
09 May - 17 May	LOT
22 May - 06 Jun	easyJet
11 May - 15 May	Lufthansa
23 May - 06 Jun	Icelandair	direct
22 May - 06 Jun	Icelandair	direct

Also check the deals for one-way flights from Paris to Keflavik in May.

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 Paris to Keflavik in May from $197

Return flights