United Airlines has allegedly returned to charging solo travelers more for their airfare than customers who buy their tickets at one time for two or more.

Best Day To Buy Airline Tickets: Sunday Expedia analyzed millions of flights and airfare data and found that booking a flight on a Sunday could save you up to 15% on your total airfare.

Seat selection fees? Airlines have gone too far by charging people more to sit in window or aisle seats. It's time to stop ...