AirHint found the following cheapest return flights from Boston (BOS) to Keflavik (KEF) in November 2025 (see full year).

Return flights

15 Nov - 06 Dec	Icelandair	direct
30 Nov - 07 Dec	Icelandair	direct
06 Nov - 13 Nov	Icelandair	direct
20 Nov - 27 Nov	Icelandair	direct
19 Nov - 24 Nov	Icelandair	direct
27 Nov - 02 Dec	Icelandair	direct
13 Nov - 16 Nov	Icelandair	direct
02 Nov - 06 Nov	Icelandair	direct
12 Nov - 16 Nov	Icelandair	direct
22 Nov - 26 Nov	Icelandair	direct
23 Nov - 29 Nov	Icelandair	direct
19 Nov - 29 Nov	Icelandair	direct
22 Nov - 13 Dec	Icelandair	direct
25 Nov - 30 Nov	Icelandair	direct

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

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 November from $275

Return flights