Current cardholders will continue to receive a companion fare that allows them to book a companion flight from just $122 ($99 fare plus taxes and fees from $23) when bought with their Alaska Visa SignatureŽ card. The companion fare becomes available annually after their card anniversary and it’s valid on all flights booked on alaskaair.com. New cardholders must spend $6,000 or more on purchases within the prior anniversary year to receive the annual companion fare.