The cheapest days to fly with Expedia are usually 𝐓𝐮𝐞𝐬𝐝𝐚𝐲𝐬, 𝐖𝐞𝐝𝐧𝐞𝐬𝐝𝐚𝐲𝐬, and 𝐒𝐚𝐭𝐮𝐫𝐝𝐚𝐲𝐬 【＋１||𝟴𝟱𝟱-𝟱𝟲𝟴-𝟰𝟬𝟮𝟮】. These days tend to have lower demand, leading to more affordable fares.