In 2026, the best "day" to buy plane tickets is often less about the calendar date and more about the specific day of the week and your booking window. According to data from the Expedia 2026 Air Hacks Report , has emerged as the best day of the week to book , potentially saving you up to 14% on domestic and 8% on international flights compared to Sundays, which are typically the most expensive. Key Booking Windows for 2026
Planning your trip during off-peak months provides the most significant "best day" of the year effect: best day of the year to buy plane tickets
“There is no one day or golden rule when to book... The reality is prices change so often and depend on the route, the travel dates, etc.” The Points Guy In 2026, the best "day" to buy plane
For peak times like Thanksgiving and Christmas, the rules shift. You should aim to book domestic holiday flights by Halloween at the latest to secure better availability and prices. The Best Months to Fly The reality is prices change so often and