Megabus.com is celebrating its expanded service by offers 10,000 one-way bus rides between select cities and Houston, Austin, or Dallas, Texas for FREE for a limited time. Tickets are available for reservation now for travel starting June 19, 2012. Seat availability at this discounted price is limited and varies by date. A reservation fee of 50-cents applies to all tickets.

When this deal ends, Megabus.com will continue to offer many seats at a special introductory rate of $1 without a coupon.