How many days in advance should I buy a flight?

Generally, you should book domestic flights one to four months in advance. For international flights, you should book at least six months in advance. You'll want to give yourself more time for research for the latter than when traveling on domestic itineraries.



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Timing plays an important part. Specifically, plane tickets usually don't get cheaper closer to the departure date. Instead, flights tend to be the most inexpensive when you book between four months and three weeks before your departure date.

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Tuesdays and Wednesdays are the cheapest days to fly domestically. The cheapest days to depart if you're flying within the U.S. are midweek — generally Tuesday or Wednesday. For economy tickets, Tuesdays are about 24% lower than peak prices on Sundays, which translates to savings of about $85 per ticket.

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More specifically, Tuesday at about 15:00 eastern time. This is because many airlines release weekly sales early on Tuesday, which creates competition between airlines to match prices.

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Tuesday Around Midnight is the Cheapest Time to Book
In general, flights were slightly cheaper at midnight earlier in the week (Monday through Wednesday). However, this is only applicable to about 1.6% of U.S. markets, meaning that it's not likely you'll find the same savings on your specific route.

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The reality is that flight prices change constantly and at all hours of the day, adjusting to real-time demand. Airlines don't restock on the same day every week like a grocery store, so you won't find deals by waiting until Tuesdays to book.

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In the early days of online flight booking, airlines used to manually post their updated prices at a certain time of day each week. This led to the rise of the myth that the cheapest time to book a flight was on Tuesday (and specifically at 3am, many claimed).

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Generally, Tuesday, Wednesday and Saturday are the cheapest days to fly, while Fridays and Sundays are pricier, according to travel deal site FareCompare. Leisure travelers tend to fly on the weekends, either starting their vacations on Friday or taking a long weekend Friday to Sunday.

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Booking your flight as soon as you can nail down your plans may save you from paying even more days down the line. Within three or four weeks of departure, flight prices will likely only increase as your flight draws closer. Waiting for prices to drop again is a losing game.

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There's no sugarcoating it: Airfare is expensive. And while waiting until the last minute might sound like a good idea, it typically is cheaper to book your flights in advance. We are seeing fewer last-minute deals than in years past, especially when it comes to flights, a Kayak spokesperson tells Travel + Leisure.

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Time your booking right
“For domestic flights, if you're talking peak season, it's about three to seven months in advance,” he says. “For international flights — [it's] four to 10 months.”

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The reality is that flight prices change constantly and at all hours of the day, adjusting to real-time demand. Airlines don't restock on the same day every week like a grocery store, so you won't find deals by waiting until Tuesdays to book.

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Top 3 Cheapest Airlines in the US
  • #1 Frontier Airlines. What is the cheapest airline in the US? ...
  • #2 Spirit Airlines. ...
  • #3 Allegiant Air. ...
  • #4 Hawaiian Airlines. ...
  • #5 JetBlue. ...
  • #6 Alaska Airlines. ...
  • #7 United Airlines. ...
  • #8 American Airlines.


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Book airfare on Sunday. Data shows that, at least a good part of the time, booking airfare on Sunday is cheaper than other days of the week. If you have the option to shop for travel at any time, waiting until Sunday could yield 5 percent to 15 percent in savings.

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Is there a cheapest month to fly? If you're looking for a bargain month to travel, February is your best bet. Flights in January closely follow February for being most affordable.

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You can find deals any day of the week since flight prices fluctuate with demand. Airlines might offer sales, increase the number of seats on a route or even lower prices to match a competitor, so there's no real pattern in what day of the week has the best deals.

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In general, same-day flights are cheaper than booking in advance, but it isn't always the case. Sometimes, booking a flight six months in advance might seem like a good idea.

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