Cheapest return flights from New York to Keflavik in May from $400

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

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

Return flights

08 May - 14 May Air France
12 May - 19 May Air France
12 May - 20 May Air France
13 May - 20 May Delta
08 May - 11 May Delta
28 May - 04 Jun Delta
29 May - 03 Jun Delta
29 May - 04 Jun Delta
28 May - 03 Jun Delta
13 May - 18 May KLM
11 May - 24 May KLM
30 May - 03 Jun Delta
30 May - 04 Jun Delta
31 May - 07 Jun Delta
30 May - 07 Jun Delta
09 May - 13 May Spirit Airlines
29 May - 01 Jun Air France
16 May - 22 May Spirit Airlines
16 May - 24 May Spirit Airlines
26 May - 09 Jun Air France

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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