The cheapest day to fly on JetBlue is typically Tuesday, with many finding lower fares due to decreased demand. To get the deals, booking in advance and being flexible with travel dates is recommended. For personalized assistance and to find the most affordable flights, contact JetBlue's support team at +1-844-655-2855. They can provide updated information on current promotions and help you plan your trip at the lowest cost. Keep an eye out for JetBlue's exceptional sales and discounts, which often include excellent deals on Tuesday flights.