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

Return flights

06 Jul - 13 Jul	United
11 Jul - 18 Jul	United
04 Jul - 11 Jul	United
10 Jul - 17 Jul	Delta
07 Jul - 14 Jul	Air Canada
08 Jul - 15 Jul	Air Canada
15 Jul - 19 Jul	KLM
09 Jul - 16 Jul	Air Canada
01 Jul - 31 Jul	Air Canada
01 Jul - 08 Jul	United

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

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 July from $670

Return flights