Just received this email from AA. Fly From Los Angeles or San Francisco To Dallas/Fort Worth For An Amazing $49.50*! • 21 day advance purchase required • Travel through Thursday, October 27, 2011 • Purchase your ticket today — this fare won't last long! Restrictions Fares do not include (a) a federal excise tax of $3.70 per U.S. domestic flight segment, defined as one takeoff and landing, of a customer's itinerary; (b) up to $18 per round trip in local airport charges; and (c) September 11th Security Fee of $2.50 per enplanement originating at a U.S. airport. For international destinations, government taxes and fees of up to $190 varying by destination, are not included. Fares are each way based on round-trip Economy class purchase on AA.com, and are in U.S. dollars. Fares are valid for travel daily. Fares are subject to change without notice. Tickets booked on AA.com must be purchased at least 21 days prior to departure or within 1 day of making reservations, whichever comes first. Fares are valid for travel through October 27, 2011. Tickets are nonrefundable and nontransferable. Changes to your ticket may be made if you meet the restrictions of the new fare and pay up to a $150 fee plus any fare difference. See below for change criteria. Changes must be made before your ticketed flight's scheduled departure time. If you cancel your flight prior to scheduled departure time, the ticket will be valid for one year from the date of issue on an unused ticket or one year from travel origination on a partially used ticket. If you do not cancel your flight before scheduled departure time, the ticket has no value. Advertised fares are valid only on American Airlines, American Eagle, and AmericanConnection and do not apply to other codeshare flights. Seats are limited. Fares may not be available on all flights. Schedules are subject to change without notice. A portion or all travel booked on American Airlines may be operated by American Eagle or AmericanConnection. American Eagle is operated by American Eagle Airlines, Inc., or Executive Airlines, Inc., which are wholly owned by AMR Corporation, the parent company of American Airlines. AmericanConnection service is operated by independent contractor Chautauqua Airlines, Inc. American Eagle and AmericanConnection are registered trademarks of American Airlines, Inc. Tickets may also be obtained (and changes may be made to tickets purchased from sources other than American Airlines, such as travel agents, online third-party web sites and other airlines) through an American Airlines Telephone Reservations Office, American Airlines Travel Center or Airport Ticket Office for an additional charge. Charges for checked baggage may apply. Visit our Baggage Allowance page for details. If electronic ticketing is available but the customer requests a paper ticket, a fee of $50 per customer applies, except for customers with a billing address in the United Kingdom. If the FedEx delivery option is selected for tickets issued more than 8 days prior to the date of travel, a $25 fee per reservation will be assessed. Currently, only U.S., Puerto Rico, U.S. Virgin Islands, Canada, United Kingdom and select Latin American and Caribbean mailing/billing addresses can be used to purchase tickets on AA.com. Infants under 2 years of age who travel within the United States, Canada, Puerto Rico and the U.S. Virgin Islands may be held in an adult's lap at no charge. Please contact Reservations for applicable charges for other countries. AA reserves the right to request documented proof of age for any traveler 2 years of age or younger. Please be prepared to provide documentation (birth certificate, passport, etc.) upon request. No en route stopovers permitted. A stopover occurs when the customer does not depart an intermediate point within 4 hours for domestic travel or within 24 hours for international travel. Prepaid ticketing is not allowed using these fares. Other restrictions may apply.