AirHint found the following cheapest return flights from Boston (BOS) to Keflavik (KEF) in February 2026 (see full year).

Return flights

08 Feb - 15 Feb	Icelandair	direct
06 Feb - 14 Feb	Icelandair	direct
02 Feb - 10 Feb	Icelandair	direct
08 Feb - 13 Feb	Icelandair	direct
01 Feb - 07 Feb	Icelandair	direct
01 Feb - 12 Feb	Icelandair	direct
06 Feb - 09 Feb	Icelandair	direct
01 Feb - 08 Feb	Icelandair	direct
02 Feb - 09 Feb	Icelandair	direct
05 Feb - 12 Feb	Icelandair	direct
22 Feb - 02 Mar	Icelandair	direct
26 Feb - 06 Mar	Icelandair	direct
21 Feb - 01 Mar	Icelandair	direct

Also check the deals for one-way flights from Boston to Keflavik in February.

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 Boston to Keflavik in February from $300

Return flights