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

For domestic trips, flying on Tuesdays or Wednesdays remains the cheapest option, often saving fliers about 14% compared to Sunday departures.

Historically a strong day for savings, Dollar Flight Club notes that Sundays can still offer up to 17% savings on international fares.

Regardless of the day of the week, timing your purchase within these "sweet spots" is critical:

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 "Tuesday at midnight" rule is now largely considered a myth. While some airlines still launch sales early in the week, prices are now updated constantly. Best Days to Fly (Departure)

The day you actually board the plane often impacts your wallet more than the day you purchase the ticket: