Travelers usually inquire about What day is the best day to buy airline tickets? So Tuesday is frequently regarded as the ideal day to purchase plane tickets. On Monday nights, airlines usually offer their discounted fares by Tuesday rival airlines have lowered their own rates to match these offers. Now is the time for travelers to get lower prices, especially early on Tuesday morning. Making your appointments during the week also spares you from the spike in prices and demand that happens closer to the weekend. When booking a flight aim to do so two to four months in advance for international travel and six to eight weeks in advance for domestic travel to get the best discounts. Being flexible with your travel dates and hours can further boost your chances of obtaining the best rates.