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

Return flights

05 Sep - 09 Sep	Transavia France	direct
06 Sep - 09 Sep	easyJet	direct
03 Sep - 06 Sep	Transavia France	direct
05 Sep - 20 Sep	Transavia France	direct
27 Sep - 04 Oct	easyJet	direct
11 Sep - 14 Sep	Wizz Air Malta
06 Sep - 10 Sep	easyJet
07 Sep - 14 Sep	Vueling Airlines

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

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 Keflavik to Paris in September from $194

Return flights