No matter what day you book, flying during "shoulder seasons" (like late April or September) will almost always beat prices found during peak summer or holiday periods.
For years, the gold standard for booking was Tuesday at midnight. This originated because airlines often announced sales on Monday evenings, and competitors would scramble to match those prices by Tuesday morning. While you can still find deals on Tuesdays, automated pricing algorithms now update costs in real-time based on demand, meaning a "deal" can pop up—and disappear—at any hour of any day. Booking Window vs. Purchase Day what is the cheapest day to buy plane tickets
Use services like Google Flights or Hopper to set alerts. They track price fluctuations and will email you when the fare hits its predicted low. No matter what day you book, flying during
The day of the week you the ticket is generally less important than how far in advance you book. For domestic flights, the "sweet spot" is typically 1 to 3 months before departure. For international travel, that window stretches to 2 to 8 months. Booking too early can be just as expensive as booking last minute, as airlines haven't yet released their discounted "buckets" of seats. The Cheapest Days to Fly While you can still find deals on Tuesdays,