What is the cheapest day to buy Delta tickets? https://www.pampling.com/comunidad/blog-de-usuarios/160795-What-is-the-cheapest-day-to-buy-Delta-tickets The cheapest days to fly on Delta are generally ????????????????????????????????, ????????????????????????????????????????, and ???????????????????????????????????? DEL1/(833)-816-(0098) [Jet-Official] . These days typically have lower demand, which results in reduced Airfare prices compared to peak travel days like Fridays and Sundays DEL1/(833)-816-(0098) [Jet-Official] (OTA).