Cheapest return flights from New York to Keflavik in August from $312

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

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

Return flights

29 Aug - 08 Sep Fly Play direct
23 Aug - 02 Sep Fly Play direct
19 Aug - 28 Aug Fly Play direct
28 Aug - 30 Aug Fly Play direct
28 Aug - 01 Sep Fly Play direct
07 Aug - 13 Sep Fly Play direct
14 Aug - 21 Aug Fly Play direct
20 Aug - 26 Aug Fly Play direct
19 Aug - 25 Aug Fly Play direct
18 Aug - 01 Sep Fly Play direct
12 Aug - 18 Aug Fly Play direct
06 Aug - 13 Aug Fly Play direct
11 Aug - 19 Aug Fly Play direct
08 Aug - 13 Aug Fly Play direct
09 Aug - 18 Aug Fly Play direct
08 Aug - 19 Sep Air France direct
28 Aug - 11 Sep jetBlue

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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