Is it better to book flights last minute or in advance?

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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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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Average domestic airfare price by day
  • Tuesdays and Wednesdays are the cheapest days to fly domestically.
  • Saturday and Monday flights can help you avoid the Sunday rush.
  • Wednesdays and Thursdays are the cheapest day to fly internationally.
  • Book one to three months in advance.
  • Set a price alert.


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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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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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Can airlines cancel flights last-minute? They can, and they do that. Sometimes it happens because they mess up something, other times -- it's caused by something that isn't under their control. It's not something you can change, last-minute cancellations are happening and will happen.

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Because there are hundreds of travel sites (not to mention the airlines' own sites) which all offer the same seats for sale at the same time, at any given moment there are thousands of seats being purchased and each purchase might bump up the fare for the next purchase on the same flight.

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The process is largely controlled by computer software and is increasingly being bolstered by AI, so price changes can happen at any second. That's why there's no specific time of day — or even a specific day of the week, for that matter — that's best for booking cheap flights.

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Early to midweek tends to be cheaper on off-peak days, and as a rule of thumb, the busier the weekend, the more the flight is going to cost. “I've found that it is generally cheaper to fly on Tuesdays, Wednesdays and Saturdays,” adds Dengler.

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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. At the other end of the spectrum, December and July are the first and second most expensive months to travel, on average.

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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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Remember: Don't wait too long to book your flight in hopes that fares will keep dropping. A little over a month before your trip may be the sweet spot for finding the lowest price. But if you haven't booked your flight within three weeks of your travel dates, you're most likely going to wind up paying more.

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Airlines may show more different route options on their web sites as you get closer to your date if they have excess capacity (empty seats) they want to try to fill. This doesn't mean the extra offerings are better or less expensive than what was already shown.

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The best fares are always on the airline's own website. If you call, many airlines will assess a surcharge for phone booking. You may find discounted tickets elsewhere but they often will not allow you access to the airline's own customer service when bad weather interrupts your trip or something else goes wrong.

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BTS data from July 2021 to June 2022 shows Hawaiian performed best of all U.S. airlines with just a 0.81% cancellation rate. Delta took second place again — with a cancellation rate of 1.63%. Meanwhile, merger partners JetBlue (3.81%) and Spirit Airlines (4.11%) canceled the highest percentage of all flights.

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Contributing factors include: Airline issues, like not having enough staff. Mechanical issues and delays may be compounded by staffing shortages. The Federal Aviation Administration is also experiencing staffing issues.

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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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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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If you're wondering, “Is Skyscanner reliable?” the answer is a resounding yes. With over 100 million satisfied customers every month, it's the ultimate metasearch engine for flights, hotels, and car rentals.

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