What day of the week is the best day to buy airline tickets?

According to a recent study by Expedia, the cheapest day to book flights is Sunday. When comparing Sunday flight prices to Friday, Expedia found that travelers save 5% on domestic flights and 15% on international flights. For the past four years, Sunday has been the best day of the week to book flights.



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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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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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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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Bottom line. Surprisingly, there is very little evidence that online travel sites are raising prices the more that you search for a specific trip. In fact, they tend to show lower prices to logged-in users.

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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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But even compared to pre-pandemic prices, airfares are lower. Average U.S. airfares are more than 6.5% lower in September 2023 than they were in September 2019, meaning prices aren't just lower than they were last year, but even lower than what they were pre-pandemic.

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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 may not be favorable for booking, but if you're hoping to score major savings, booking your departure on a Tuesday or Wednesday is a surefire way to do so. Mid-week flights offer the best deal prices in comparison to flights departing the rest of the week.

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“Historically, Tuesdays were the cheapest day to book flights,” says Laura Lindsay, global travel trends expert for trip-booking website Skyscanner. “This was broadly true prepandemic as seasonality and even weekly pricing cycles were more predictable.

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At midnight, fewer people travel and there is low last-minute reservation so to fill them, they release multiple offers. With these discounts, you can set aside some amount.

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Now, the day of the week you choose to travel does make a difference in the best time to buy flights. In 2023, the cheapest day of the week to fly is Wednesday. Flying on Wednesday will save you almost $100 versus Sunday – the most expensive day to fly.

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Spring break. For domestic flights in March and April, Google said, prices are typically lowest 23 to 59 days before departure, hitting their lowest price 38 days out. Summer vacation. For domestic flights in July or August, prices are typically lower 14 to 44 days out, hitting rock bottom 21 days before takeoff.

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Travel agents save clients money, but the benefits of booking with a travel agent go way beyond. Travel agents also create high-value travel over OTAs because (the living, breathing, talented humans that they are) are able to advocate for clients when things go awry.

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“Despite many reports claiming Tuesday or Wednesday mornings are the best time to book flights, there is no evidence of that being true,” explains Phil Dengler, founder of TheVacationer.com. “Cheap flight prices are available 24/7, so you should not limit yourself to a particular day or time.”

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Fares can vary day-to-day, based on demand. Fares are usually lower on Tuesdays, Wednesdays and Saturdays and highest on Fridays and Sundays. Flights later in the evening are also usually lower demand.

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