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	Virgin Atlantic
02 Jun - 09 Jun	Virgin Atlantic
06 Jun - 13 Jun	Virgin Atlantic
07 Jun - 14 Jun	Air France
13 Jun - 18 Jun	Air France
04 Jun - 19 Jun	Delta
03 Jun - 14 Jun	Delta
01 Jun - 10 Jun	KLM
05 Jun - 21 Jun	Air France
07 Jun - 21 Jun	Air France
27 Jun - 06 Jul	Virgin Atlantic
30 Jun - 09 Jul	Virgin Atlantic
27 Jun - 05 Jul	Air France
28 Jun - 07 Jul	Air Canada
29 Jun - 11 Jul	Air France
25 Jun - 03 Jul	Air Canada
25 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 473€

Return flights