The cheapest day to buy Delta Airlines tickets is typically on Tuesdays, Wednesdays, and Saturdays. 1-888-267-9551 (US)Fares are usually lower on Tuesdays or 1-888-267-9551 (UK), Wednesdays, and Saturdays, with the highest prices on Fridays and Sundays 1-888-267-9551 (US) or 1-888-267-9551 (UK).
