book flights on Expedia

There is no definitive “cheapest day” to book flights on Expedia, as flight prices are influenced by many factors such as demand, seasonality, route, and how far in advance you book. However, based on general trends and some insights into the travel industry, here’s what you can consider:
Tuesday and Wednesday:

Source: https://www.devex.com/people/what-is-the-cheapest-day-to-book-flights-on-expedia-2077569