Cheapest return flights from New York to Keflavik in August from $367

AirHint found the following cheapest return flights from New York (NYC) to Keflavik (KEF) in August 2026 (see full year).

Return flights

18 Aug - 25 Aug United direct
10 Aug - 19 Aug Air Canada
21 Aug - 30 Aug Finnair
21 Aug - 30 Aug Icelandair direct
07 Aug - 16 Aug Finnair
08 Aug - 16 Aug Finnair
10 Aug - 19 Aug Icelandair direct
08 Aug - 16 Aug Icelandair direct

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

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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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