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

Return flights

20 May - 27 May	easyJet
09 May - 20 May	easyJet
06 May - 13 May	easyJet
12 May - 19 May	easyJet
05 May - 10 May	easyJet
19 May - 02 Jun	easyJet
01 May - 09 May	easyJet
01 May - 10 May	easyJet
15 May - 23 May	easyJet
16 May - 30 May	easyJet
04 May - 11 May	Lufthansa
25 May - 03 Jun	easyJet
21 May - 03 Jun	easyJet
19 May - 02 Jun	Icelandair	direct
25 May - 03 Jun	Icelandair	direct
25 May - 02 Jun	Icelandair	direct
21 May - 03 Jun	Icelandair	direct
21 May - 04 Jun	Icelandair	direct
23 May - 07 Jun	easyJet
18 May - 01 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 193€

Return flights