Donate $5 to Stand Up To Cancer and receive 20% off Virgin America airfare.

The terms and conditions:

This offer ends at 11:59pm PST on January 28, 2011. Fares do not include Passenger Facility Charges of up to $9 each way, September 11th Security Fees of up to $5 each way and a Federal Segment Tax of $3.70 per domestic segment. A segment is a takeoff and landing. For international travel, fares do not include the U.S. Immigration User Fee of $7, the U.S. APHIS fee of $5, and the U.S. International Arrival/Departure tax of $16.10 each way. For service to/from Toronto, fares do not include additional taxes/fees of up to $50, including: Airport Improvement Fee, Canadian Security Fee, Goods and Services Tax, and Harmonized Sales Tax. For service to/from Mexico, fares do not include additional taxes/fees of up to $60, including: Mexico International Departure Tax and Mexico Tourism Tax. One time use promo code is valid for non-refundable Main Cabin tickets only in fare classes S, L, M, U, E, H, B, or V and requires a minimum 7-day advance purchase. Travel must occur between December 1, 2010 and January 31, 2011. Blackout dates are December 17-18, 2010; December 23-24, 2010; December 26, 2010; December 30, 2010; January 2-3, 2011. SFO-DFW service begins December 6, 2010. SFO-SJD service begins December 16, 2010. LAX-CUN service begins January 19, 2011. SFO-CUN service begins January 20, 2011. Promo code may be used only towards newly booked travel and may not be applied to prior bookings. Promo code discount will be deducted off of base fare. Promo code may not be redeemed for cash. Promo code may only be used for bookings made on virginamerica.com and is only valid on itineraries of 2 or less. Offer is not transferable and cannot be combined with any other offers. Seats are limited, subject to availability, and may not be available on all flights. If travel is changed or cancelled, promo code discount will become invalid. Changes or cancellations can be made for a $75 fee if changes are made on Virgin America’s website or a $100 fee through all other channels, including the call center and at the airport, plus any increase in fare, if applicable. Tickets purchased from Virgin America through our reservation call center will cost an additional $15 per guest per itinerary purchased through November 30, 2010 and $20 beginning December 1, 2010. Any added cost associated with purchasing tickets from Virgin America through our reservation call center will be non-refundable. Fares will not be honored retroactively or in exchange for any wholly or partially used ticket. Fares, routes, fees and schedules are subject to change without notice. Virgin America will accept one (1) piece of checked baggage up to 70 pounds for $25 for each ticketed guest traveling within the U.S. and free of charge for each ticketed guest traveling to/from Mexico or to/from Canada. The fee per guest for each additional checked bag up to 50 pounds from the second (2) to the tenth (10) is $25. Additional fees apply to baggage exceeding these weight limitations, and other baggage restrictions may apply.