Why did flights suddenly get more expensive?

Airlines are also facing the reality of not having enough pilots and flight attendants to run their flights, as well as higher labor costs. All of these forces have combined to create rising ticket prices.



In early 2026, flight prices have seen sudden spikes due to a "perfect storm" of economic and operational factors. Supply and demand remains the primary driver; as global travel continues to break post-pandemic records, the available "seat capacity" has not kept pace. Airlines are struggling with a persistent shortage of aircraft due to manufacturing delays at Boeing and Airbus, as well as engine maintenance issues that have grounded parts of fleets like IndiGo's. Additionally, jet fuel prices have remained volatile due to geopolitical tensions, and labor costs have risen as pilots and crew secured record-breaking new contracts. Inflation has also seeped into every part of airport operations, from catering to landing fees. In specific markets like India, regulatory caps being lifted and individual airline "schedule meltdowns" (such as the operational cuts seen at IndiGo) have further squeezed capacity, allowing remaining airlines to charge a premium for the limited seats available during peak seasons.

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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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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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The general rule is that for domestic flights, travelers should start searching for flight tickets one to three months in advance. For international flights, the best prices are typically available from two to eight months in advance. Prices can also vary widely among airlines.

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Flying to Europe in 2024 without spending a fortune is in the cards after a long stretch of sky-high prices. Airlines have added new routes between the U.S. and Europe and announced plans to increase flights on some routes next spring and summer.

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It mostly comes down to supply and demand. Demand is contributing to higher prices as travel continues to surge post-pandemic, Berg said. Sustained strong demand in 2023 continues to put additional pressure on prices, especially to and within regions where travel has only recently reopened like parts of Asia.

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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 cheapest day to book your ticket is Saturday and Sunday, but the cheapest day to actually fly on is Tuesday. And the cheapest time of day to physically book your ticket is between 6AM and 12PM.

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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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The late fall and winter months—from mid to late October through mid-to-late March—are often the cheapest time to fly to Europe (though fares can spike in December).

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The cheapest ticket to Europe found for each month in 2023 based on historical flight searches by Cheapflights users. January is currently the cheapest month to fly to Europe. At this moment in time June is the most expensive month.

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Why are flights so expensive in 2023? Flights cost even more in early 2023 than they do now. Factors such as fuel costs, staffing shortages, aging IT infrastructure and hidden fees all contribute to expensive flights in 2023.

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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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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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He explained: If you're travelling domestically, the Goldilocks Window for when you're most likely to see a cheap flight is 1-3 months before flying. For international flights, it's 2-8 months in advance. This changes if you are wanting to travel during a busy time of year.

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How often do airlines update airfare information online? The airlines update fare information 3 times a day. They do not necessarily change airfare prices all three times, but they certainly can, and often do.

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The cheapest months to travel are:
  • November – early December.
  • Late January – March.


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The benefit of a red-eye flight is that it maximizes your time both at home and at your destination — you're flying through the night rather than losing a day to travel. That often saves you the cost of an extra night in a hotel. Red-eyes are often cheaper than day flights, too, helping travelers save money.

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