Cheapest return flights from Newark to Keflavik in June from $458

Best time to book flights for Newark (EWR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to Keflavik (KEF) in June 2025 (see full year).

Return flights

05 Jun - 10 Jun Delta
18 Jun - 24 Jun Delta
18 Jun - 25 Jun Delta
07 Jun - 16 Jun Delta
19 Jun - 24 Jun Delta
11 Jun - 15 Jun Icelandair direct
04 Jun - 09 Jun Icelandair direct
22 Jun - 26 Jun Icelandair direct
04 Jun - 14 Jun Icelandair direct
04 Jun - 11 Jun Icelandair direct
11 Jun - 17 Jul Icelandair direct
17 Jun - 02 Jul Icelandair direct
01 Jun - 31 Jul Icelandair direct
25 Jun - 02 Jul Icelandair direct
25 Jun - 03 Jul Delta
16 Jun - 01 Jul Icelandair direct
25 Jun - 03 Jul Icelandair direct
26 Jun - 03 Jul Icelandair direct
24 Jun - 01 Jul Icelandair direct
30 Jun - 07 Jul Icelandair direct

Also check the deals for one-way flights from Newark to Keflavik in June.

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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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