The cheapest airlines that fly from the U.S. to India are Air India and Continental. Air India flies out of major cities in the west and east coast to cities all over India. Continental has flights out of several cities on both coasts. Both airlines have fares ranging from $1,200 to $1,600 round trip, as of October 2010. Air India offers “Happy Hour” discounts: When passengers book their flights online between the hours of 12:30 p.m. and 3:30 p.m. PST, they receive a 5 percent discount on top of the discounted web fare. Air India also regularly offers free companion fares on travel from the United States to select countries, including India. Every thing depends on your approach if you can able to book the tickets very early then the tickets to India are very easy. Plan and understand the nature of your work and travel.