Fare rules: round-trip fares including taxes and fees. Fares are valid through December 8, 2011 and require a 7 days advance purchase. Fares are valid for traveling through December 14, 2011 and from December 24, 2011 through April 1, 2012. A minimum Sunday stay is required and a maximum 3 month stay is permitted. Fares to the UK have a maximum stay of 12 months. Fares are non-refundable. Changes are allowed for a $250 fee plus fare adjustment fees. Additional conditions may apply. Fares are subject to class of service availability and may be changed or withdrawn without notice.