AirHint found the following cheapest return flights from Paris (PAR) to Keflavik (KEF) in October 2025 (see full year).

Return flights

30 Oct - 03 Nov	Transavia France	direct
22 Oct - 27 Oct	Wizz Air
12 Oct - 16 Oct	Wizz Air Malta
30 Oct - 07 Nov	Transavia France
01 Oct - 05 Oct	Wizz Air
01 Oct - 07 Oct	Wizz Air
09 Oct - 16 Oct	Wizz Air Malta
12 Oct - 19 Oct	Wizz Air Malta
07 Oct - 11 Oct	easyJet	direct
08 Oct - 12 Oct	Wizz Air
16 Oct - 27 Oct	Wizz Air Malta
29 Oct - 03 Nov	easyJet	direct
11 Oct - 18 Oct	Ryanair
31 Oct - 05 Nov	Ryanair
23 Oct - 03 Nov	Ryanair
31 Oct - 10 Nov	easyJet
27 Oct - 01 Nov	Transavia France
22 Oct - 01 Nov	Wizz Air
23 Oct - 03 Nov	Fly Play	direct
27 Oct - 02 Nov	Transavia France

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

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 October from $139

Return flights