Booking on a Friday can save you approximately 14% on domestic and 8% on international flights compared to Sunday, which is currently the most expensive day to book.
The day you actually board the plane often impacts your wallet more than the day you purchase the ticket:
For 2026, has emerged as the best day of the week to buy plane tickets, according to recent data from Expedia's 2026 Air Hacks Report and NerdWallet . This marks a significant shift from traditional travel advice that often favored Tuesdays. Best Days to Book Your Flight