Fares are subject to change without notice and are based on the most direct routing to each destination. Additional transfers will increase the fare. Fares do not include applicable fees, taxes and airport charges, including the September 11th Security Fee of a maximum of $10 per round-trip. Additional baggage fees may apply. Seats are limited and may not be available on all days/flights. Tickets are non-refundable, non-endorsable, non-transferable and other restrictions may apply. Travel time: Purchase by: 10/8/2013. Departure period: 09/23/2013 - 10/23/2013. Return period: 09/23/2013 - 11/23/2013. Advance Purchase Period: 7 days. Fare conditions: Maximum stay is 30 days. Fares are shown in U.S. dollars. Travel Economy Class on Air Canada, Austrian Airlines, Brussels Airlines, Lufthansa, SWISS & United. Fares are based on round-trip purchase and mid-week travel (Monday through Thursday). Saturday night stay is required. Weekend surcharges up to $70 round-trip. Date changes before and after departure: permitted at $300 per change plus any fare difference.