Cheapest return flights from Boston to Keflavik in April from $291

Best time to book flights for Boston (BOS) to Keflavik (KEF) flights at AirHint

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

Return flights

29 Apr - 06 May Fly Play direct
28 Apr - 06 May Fly Play direct
08 Apr - 12 Apr Fly Play direct
15 Apr - 22 Apr Fly Play direct
09 Apr - 12 Apr Fly Play direct
09 Apr - 16 Apr Fly Play direct
09 Apr - 14 Apr Fly Play direct
14 Apr - 21 Apr Fly Play direct
28 Apr - 30 Apr Fly Play direct
30 Apr - 07 May Fly Play direct
28 Apr - 05 May Fly Play direct
14 Apr - 23 Apr Fly Play direct
30 Apr - 10 May Fly Play direct
08 Apr - 13 Apr Icelandair direct
24 Apr - 29 Apr Icelandair direct
30 Apr - 04 May Icelandair direct
25 Apr - 02 May Fly Play direct
30 Apr - 30 May Fly Play direct
25 Apr - 30 May Fly Play direct
24 Apr - 01 May KLM

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

Skyscanner

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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