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

Return flights

19 Jul - 28 Jul	SWISS
14 Jul - 20 Jul	SWISS
16 Jul - 20 Jul	SWISS
16 Jul - 19 Jul	SWISS
04 Jul - 15 Jul	Fly Play	direct
17 Jul - 20 Jul	Lufthansa
09 Jul - 17 Jul	SWISS
08 Jul - 16 Jul	Scandinavian Airlines
10 Jul - 17 Jul	SWISS
10 Jul - 19 Jul	SWISS
29 Jul - 13 Aug	easyJet
25 Jul - 17 Aug	easyJet
30 Jul - 05 Aug	easyJet
26 Jul - 07 Aug	SWISS
29 Jul - 06 Aug	easyJet
29 Jul - 04 Aug	Fly Play	direct
03 Jul - 01 Aug	Fly Play	direct
30 Jul - 07 Aug	Scandinavian Airlines
30 Jul - 06 Aug	Scandinavian Airlines
15 Jul - 15 Aug	easyJet

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

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 July from 293€

Return flights