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

Return flights

01 Jun - 08 Jun	Air France
05 Jun - 12 Jun	Air France
06 Jun - 13 Jun	Air France
09 Jun - 16 Jun	Air France
10 Jun - 17 Jun	KLM
10 Jun - 14 Jun	Air France
02 Jun - 11 Jun	Delta
07 Jun - 14 Jun	KLM
24 Jun - 01 Jul	Air France
29 Jun - 06 Jul	Air France
08 Jun - 15 Jun	Air Canada
13 Jun - 20 Jun	Air Canada
30 Jun - 07 Jul	Air France
27 Jun - 07 Jul	Delta
25 Jun - 02 Jul	Air Canada
28 Jun - 05 Jul	Air Canada
26 Jun - 03 Jul	Air Canada
27 Jun - 04 Jul	Air Canada

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

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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Cheapest return flights from New York to Keflavik in June from 472€

Return flights