Https://support.us.edu/hc/en-us/profiles/27087146384407-What-is-the-cheapest-day-to-buy-Delta-tickets https://support.us.edu/hc/en-us/profiles/27087146384407-What-is-the-cheapest-day-to-buy-Delta-tickets https://support.us.edu/hc/en-us/profiles/27087146384407-What-is-the-cheapest-day-to-buy-Delta-tickets https://support.us.edu/hc/en-us/profiles/27087146384407-What-is-the-cheapest-day-to-buy-Delta-tickets