Cheapest return flights from Buffalo to Keflavik in August from 729€

AirHint found the following cheapest return flights from Buffalo (BUF) to Keflavik (KEF) in August 2026 (see full year).

Return flights

05 Aug - 19 Aug Southwest Airlines
12 Aug - 20 Aug jetBlue
05 Aug - 20 Aug Southwest Airlines
11 Aug - 20 Aug jetBlue
10 Aug - 20 Aug Sun Country Airlines
05 Aug - 18 Aug Southwest Airlines
10 Aug - 21 Aug Sun Country Airlines
08 Aug - 20 Aug Frontier Airlines
09 Aug - 20 Aug Frontier Airlines
07 Aug - 20 Aug Frontier Airlines

Also check the deals for one-way flights from Buffalo to Keflavik in August.

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