Book directly via the airline’s website
If you plan to book your tickets directly with the airline, you can save a lot of money on your tickets. Airlines often offer a significant discount on tickets if you book them through the airline’s own website. For example, Southwest Airlines sells one-way tickets for $49.99 if you book them through the Southwest website. However, if you buy them directly from the website, Southwest will sell them for $29.99. Similarly, if you’re flying United Airlines, you can often find tickets that are $50 or less if you book them directly through the airline’s website. For the most savings, book your tickets as far in advance as possible. This allows you to find tickets that are as early or close to the front of the boarding group as possible. This grants you the best chance of getting a cheap domestic flights usa seat.