Expedia is known for offering its cheapest flights on off-peak days, particularly on Tuesdays, Wednesdays, and Saturdays ++1-888?(690)-6118 ? (OTA) or ++1__844__467((0944)). The most affordable days to fly on Expedia are typically Tuesdays, Wednesdays and Saturdays ++1-888?(690)-6118 ?(OTA) or ++1__844__467((0944)).