Cheapest return flights from New York to Keflavik in August from $460

Best time to book flights for New York (JFK) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from New York (JFK) to Keflavik (KEF) in August 2025 (see full year).

Return flights

17 Aug - 25 Aug Air France direct
17 Aug - 28 Aug Air France direct
29 Aug - 08 Sep Icelandair direct
21 Aug - 29 Aug Icelandair direct
29 Aug - 07 Sep Icelandair direct
20 Aug - 27 Aug Icelandair direct
03 Aug - 10 Aug Icelandair direct
21 Aug - 06 Sep Icelandair direct
22 Aug - 19 Sep Icelandair direct
21 Aug - 30 Aug Icelandair direct
31 Aug - 12 Sep Icelandair direct
24 Aug - 31 Aug Icelandair direct
22 Aug - 31 Aug Icelandair direct
14 Aug - 25 Aug Icelandair direct
01 Aug - 08 Aug Icelandair direct

Also check the deals for one-way flights from New York to Keflavik in August.

Skyscanner

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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