Cheapest one-way flights from Keflavik to Boston in September from $182

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Boston (BOS) in September 2025 (see full year).

One-Way flights

11 Sep Fly Play direct
05 Sep Fly Play direct
03 Sep Fly Play direct
06 Sep Fly Play direct
23 Sep Fly Play
09 Sep Fly Play
01 Sep Fly Play direct
20 Sep Fly Play
21 Sep Icelandair direct
20 Sep Icelandair direct

Also check the deals for return flights from Keflavik to Boston in September.

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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