To save on the cost of your flight from Buffalo to Keflavik, book at least 19 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $784 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $919.
Flights from Buffalo to Keflavik lean towards being more expensive in December. Prices are generally better when you fly from Buffalo to Keflavik in June, with the cheapest ticket starting at $595.
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