Cheapest return flights from Newburgh to Keflavik in December from $281

Best time to book flights for Newburgh (SWF) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Newburgh (SWF) to Keflavik (KEF) in December 2025 (see full year).

Return flights

01 Dec - 10 Dec Fly Play direct
12 Dec - 16 Dec Fly Play direct
12 Dec - 15 Dec Fly Play direct
15 Dec - 22 Dec Fly Play direct
11 Dec - 18 Dec Fly Play direct
11 Dec - 14 Dec Fly Play direct
28 Dec - 06 Jan Fly Play direct
29 Dec - 03 Jan Fly Play direct
19 Dec - 23 Dec Fly Play direct
27 Dec - 03 Jan Fly Play direct
23 Dec - 28 Dec Fly Play direct

Also check the deals for one-way flights from Newburgh to Keflavik in December.

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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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