JetBlue's Best Fare Finder is a tool that helps customers find the lowest fares for their travel dates. It allows users to search for flights based on their travel dates and departure city, and provides a calendar view of the lowest fares for each day. This tool is designed to help customers save money on their travel by finding the best deals available.

To use the Best Fare Finder, customers can go to JetBlue's website and select the "Best Fare Finder" option on the homepage. They will then be prompted to enter their departure city and travel dates. The tool will then display a calendar view of the lowest fares available for each day.

Customers can also filter their search results by factors such as non-stop flights, flight times, and the number of stops. Once they find a flight that meets their needs and budget, they can book their travel directly through the JetBlue website.

It's worth noting that the fares displayed by the Best Fare Finder are subject to availability and may change based on demand. Customers should book their flights as soon as possible to take advantage of the lowest fares.