Cheapest return flights from New York to Keflavik in August from $393

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

Return flights

17 Aug - 26 Aug United
20 Aug - 24 Aug Air Canada
17 Aug - 24 Aug United
18 Aug - 25 Aug United
24 Aug - 04 Sep Air France
18 Aug - 31 Aug United
19 Aug - 24 Aug Air Canada
21 Aug - 31 Aug Air Canada
19 Aug - 26 Aug United
21 Aug - 28 Aug Air Canada
17 Aug - 23 Aug United
28 Aug - 06 Sep Porter Airlines (Canada) Ltd

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

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