During an auction, our proxy bidding system will automatically increase your bid for you, starting at the lowest possible amount, and automatically increasing your bid in response to competitive bids up to the amount necessary to win, but never more than your maximum bid.
While there is no "magic" day of the week that guarantees the lowest price, recent data suggests that is statistically the cheapest day to book both domestic and international flights . Booking on Sunday instead of the most expensive days (Monday or Friday) can save you an average of 6% domestically and up to 17% internationally . The Best Days to Book vs. Fly
For last-minute travel, it is critical to distinguish between when you click "buy" and when you actually take off. Best Day And Time To Buy Plane Tickets - Forbes best day to buy last minute airline tickets