Cheapest one-way flights from Boston to Keflavik in August from 156€

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

One-Way flights

20 Aug Fly Play direct
22 Aug Fly Play direct
27 Aug Fly Play direct
10 Aug Fly Play direct
24 Aug Fly Play direct
29 Aug Fly Play direct
01 Aug Fly Play direct
12 Aug Spirit Airlines
19 Aug United
21 Aug United

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

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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