((Expedia)) What is the cheapest day to book flights on Expedia? [((Expedia Airlines Fare Guide)] What is the cheapest day to book Expedia? ​When planning to Book Flights with Expedia, the most cost-effective days 𝟷-𝟾𝟺𝟺-𝟽𝟾𝟶-𝟷𝟺𝟻𝟶 // 𝟷-𝟾𝟾𝟾-𝟾𝟶𝟸-𝟿𝟾𝟹9 typically Tuesdays, Wednesdays, and Saturdays.