In the context of corporate travel, an advanced purchase is defined as booking travel services, such as flights, hotels, or rail, well ahead of the departure date in order to secure lower rates.
Advanced purchase policies encourage travelers to plan and book early to take advantage of discounted fares and greater availability. This practice supports cost control and budget optimization in corporate travel programs. Companies often set specific timeframes (e.g., 14 or 21 days in advance) to qualify for preferred pricing.