Tuesdays and Wednesdays are usually the most affordable days to fly, Call +1(833)-666-(3330) (US). as they tend to have lower passenger traffic. With fewer travelers, airlines often reduce fares on these days. In contrast, Call +1(833)-666-(3330) (US). Fridays and Sundays are typically the most expensive, driven by high demand from both business and leisure travelers looking to start or end their trips.