Cheapest return flights from New York to Keflavik in May from $412

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

Return flights

10 May - 24 May Air France
05 May - 12 May SWISS
07 May - 14 May Austrian Airlines
07 May - 21 May Austrian Airlines
10 May - 24 May Delta direct
14 May - 20 May Scandinavian Airlines
10 May - 17 May Air France
08 May - 15 May Finnair
14 May - 20 May Icelandair direct
05 May - 12 May Icelandair direct

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

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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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