Why Plane Tickets Cost So Much More This Holiday Season

By Stock Titan Editorial Team · Published October 9, 2026

Fares are up about a quarter in a year

Airline fares in the US were 23.4% higher in August 2026 than in August 2025, according to the Bureau of Labor Statistics airline fares index, measured on the not seasonally adjusted basis the agency uses for 12-month changes, and that is almost seven times the 3.4% rise in the all-items index over the same 12 months, as the August CPI release reports it. The index covers airline fares paid by urban consumers across the US, and on a seasonally adjusted basis it rose another 2.7% in August alone, the release says.

The jump came fast. In December 2025 fares were 3.4% cheaper than a year earlier, by the same index, and by April 2026 they were 20.7% dearer. The 12-month rise was highest of 2026 so far in May, at 26.7%, and has eased a little since, which still leaves fares nearly a quarter above last year's level heading into the autumn.

Show the data

Category	Value
Dec 2025	-3.4%
Jan 2026	2.2%
Feb 2026	7.1%
Mar 2026	14.9%
Apr 2026	20.7%
May 2026	26.7%
Jun 2026	26.5%
Jul 2026	25.5%
Aug 2026	23.4%

The holiday picture from the booking side looks similar. Hopper, the travel booking app, said in its 2026 Holiday Travel Index on September 25 that domestic round trips for Thanksgiving were averaging $402, up 31% from last year, and Christmas round trips $452, up 23%, which it describes as 10-year highs. Hopper's figure is its own measure, a demand-weighted average of the 10th-percentile price available to book in the week of searches it studied, so it reflects the cheaper end of what travelers see when they search, not the average ticket bought, and it is built differently from the government's index.

The government's September reading is due on October 14, 2026, so the August figure is the latest official one when this was written.

Delta's July to September quarter in brief

Delta reported $17.59 billion of adjusted revenue for July to September 2026, a record for that quarter in the company's words, up 16% from a year earlier, while flying the same capacity as a year ago, according to its results release and the 8-K it filed with the SEC. Capacity, the seats flown times the miles they cover, was 79.3 billion seat miles against 79.1 billion a year earlier. Adjusted figures, here and below, are Delta's own, and they leave out fuel sold by its refinery to other companies and some investment and hedging gains and losses, so the figures describe the airline itself. On the standard accounting basis, revenue was $20.19 billion, up 21%, because it includes those refinery sales.

Profit was another matter. Adjusted earnings came to $1.72 a share against $1.70 a year earlier, which is below the $2.00 to $2.50 Delta had guided to in its July release. Chief financial officer Erik Snell put the gap down to fuel, saying the quarter came in "while absorbing more than $500 million of higher fuel costs compared to our guidance in early July." Delta also cut its outlook for the full year to $5.10 to $5.60 a share, from the $6.50 to $7.50 it had affirmed in July, and chief executive Ed Bastian said the company expects "a pre-tax profit of roughly $4.5 billion, absorbing a $6 billion increase in fuel costs."

Demand was not the problem in Delta's telling. Planes were 86% full on average, the same as a year earlier, and the number of miles flown by paying passengers rose 1%. You can see the company's longer record on StockTitan's Delta overview and Delta financials pages.

Where Delta's extra revenue went

Delta's costs rose a little more than its revenue, and fuel was the largest part of the rise. The release's own tables show adjusted revenue up $2,388 million from a year earlier and adjusted operating expense up $2,416 million, so adjusted operating profit fell slightly. Fuel accounted for $1,578 million of that cost increase, about two thirds, as Delta's adjusted fuel bill rose to $4.14 billion from $2.57 billion. This is an accounting comparison of what came in and what went out, and it does not measure how much of any fare increase fuel caused.

Non-fuel costs made up most of the remainder, and Delta said their rise per seat mile came mainly from crew pay and costs that grow with revenue. Adjusted operating income, the profit from flying before interest and taxes, went from $1,688 million to $1,662 million, while smaller net costs below the operating line, interest among them, left adjusted pre-tax income $20 million higher, at $1,497 million.

Not all of the extra revenue came from tickets. Of the $2,388 million, passenger revenue accounted for $2,028 million, and tickets in the premium and main cabins for $1,761 million of that, with frequent flyer redemptions, bag fees and other travel services making up the rest; cargo, the loyalty business and maintenance work for other airlines added the remainder.

Seen per mile flown, the passenger part is easier to picture. A passenger mile is one passenger flown one mile, and the average a passenger paid for each of them, which airlines call yield, rose 14% to 22.80 cents. By our calculation from the release's table, that means Delta collected about $228 in passenger revenue for every 1,000 miles a passenger flew, up from about $200 a year earlier. Its fuel cost for those same 1,000 passenger miles rose from about $38 to about $61. So of the roughly $28 more that passengers paid per 1,000 miles, about $23 was matched by the higher fuel bill.

Show the data

Category	Passenger revenue	Fuel cost
Jul to Sep 2025	$200	$38
Jul to Sep 2026	$228	$61

Delta's rivals have described the same squeeze in their own filings. In July, United Airlines said in its second-quarter release that its fuel expense was up $2.3 billion, or 84%, and that it "recovered approximately half of this increase," while expecting to recover 80% to 90% in the third quarter and all of it by the fourth. American Airlines said in its second-quarter release that it "was able to offset nearly 50% of this fuel headwind in the second quarter through higher fares." Delta gave no recovery percentage, but in its quarter passenger revenue rose $2,028 million while its adjusted fuel bill rose $1,578 million.

Jet fuel prices doubled with the oil shock

Jet fuel prices have risen with crude oil, which the EIA ties to attacks on oil infrastructure and tankers around the Middle East. The US Energy Information Administration's October Short-Term Energy Outlook says Brent crude averaged $114 a barrel in September, $23 more than in August, after attacks on Saudi Arabia's East-West oil pipeline, which it describes as a bypass used to get around the Strait of Hormuz, and it reports the daily Brent price reaching as high as $131 on September 15.

Refined jet fuel followed. The EIA's Gulf Coast jet fuel spot price, a wholesale benchmark for fuel traded on the Gulf Coast, averaged $4.39 a gallon in September 2026, about twice the $2.09 of September 2025. It jumped in March, from $2.26 in February to $3.70, eased to $3.04 in June and then climbed again through the summer.

Show the data

Category	Value
Sep 2025	$2.09
Oct 2025	$2.15
Nov 2025	$2.26
Dec 2025	$1.97
Jan 2026	$2.03
Feb 2026	$2.26
Mar 2026	$3.70
Apr 2026	$3.93
May 2026	$3.94
Jun 2026	$3.04
Jul 2026	$3.40
Aug 2026	$3.72
Sep 2026	$4.39

The climb after early July, from $3.04 in June to $4.39 in September on that benchmark, is the backdrop to Delta's miss. Delta set its outlook for July to September assuming fuel at about $3.15 a gallon and ended up paying an adjusted $3.61, which by our arithmetic on its 1.146 billion gallons comes to about $527 million more, close to the "more than $500 million" Snell cited. Delta's price is its own average cost, which differs from the spot benchmark, and it is lowered by the Trainer refinery Delta owns through its Monroe Energy subsidiary, which the release credits with a benefit of 13 cents a gallon in the quarter.

For October to December, today's release says Delta assumes an all-in price of about $4.25 a gallon, which already counts a refinery benefit of about 40 cents. A year earlier it paid an adjusted $2.28, according to its December quarter 2025 release.

Energy prices also run through the wider inflation figures StockTitan covered around the Federal Reserve's September rate decision and the minutes of that meeting.

Fewer seats in the back of the plane

Fuel is one part of the story, and the other is that Delta flies fewer economy seats than a year ago, and each of them earns more. The release says main cabin unit revenue, meaning the revenue earned for each main cabin seat flown one mile, "grew 17 percent over prior year on seats down low-single digits," while premium revenue rose 18% "on a 6 percent increase in seats." Main cabin is Delta's name for its regular economy cabin.

The turnaround in that cabin shows how far its revenue has moved. A year ago main cabin ticket revenue was shrinking, falling 4% year over year in July to September 2025 and 7% in the last three months of 2025, according to Delta's releases for the September quarter of 2025 and the December quarter of 2025. In July to September 2026 it was up 12%, at $6.80 billion against $6.06 billion, with fewer seats behind it.

Delta did not shrink overall. Its total capacity was flat, and Snell said capacity growth came in "several points below our original plan, including nearly one point of impact from summer storms." So capacity in the September quarter came in below plan, and within it the seat mix moved toward the front of the plane. In Delta's domestic network, yield, the average paid per passenger mile, rose 15% on flat capacity, with planes a point fuller than a year earlier.

Delta's outlook for the holiday quarter

Delta expects to collect about 18% more for each seat it flies from October through December, by our calculation from its guidance, and that is a revenue outlook that says nothing directly about any ticket price.

The release guides total revenue up "approximately 20 percent" from a year earlier "with seats growing less than 2 percent, including a reduction in Main Cabin seats," in the words of chief commercial officer Joe Esposito. Dividing 1.20 by 1.02 gives roughly 1.18, so revenue per seat rises about 18% with 2% more seats, and closer to 20% the nearer seat growth comes to zero. The revenue in that guide also includes cargo, the loyalty business and maintenance work, and longer or shorter flights change revenue per seat too, so the figure is a measure of the pressure on Delta's pricing and no fare estimate.

Put in dollars, last year's adjusted revenue for those three months was $14.61 billion, and 20% more would be about $17.5 billion, almost the same as the record Delta just reported for the summer quarter. A year ago adjusted revenue fell about 4% from the July to September quarter to the October to December one, so the outlook implies that seasonal dip mostly disappears this time.

The fuel side of the outlook is heavy too. Delta's assumed $4.25 a gallon is 86% above the $2.28 it paid in the last three months of 2025. If it burned the same 1.043 billion gallons as a year earlier, a figure Delta has not guided, the fuel bill would be about $4.4 billion against $2.4 billion, roughly $2 billion more, which is our estimate and not Delta's. The company guides adjusted earnings of $1.15 to $1.65 a share for the quarter, against $1.55 a year earlier, so the midpoint of $1.40 would be about 10% lower, and only results above $1.55, near the top of the range, would beat last year.

Delta's outlook measures revenue per seat and Hopper's index measures the cheaper fares on offer, and both stand well above last year, although neither tells you what a given route will cost on a given date. If you are setting money aside for a trip, StockTitan's savings goal calculator shows how much a monthly amount adds up to by a target date.

Signals that would bring fares down

Cheaper fuel and more seats would both ease the pressure on fares, and the government's own energy forecast keeps oil expensive through the end of the year. The EIA forecasts Brent averaging $105 a barrel in the last three months of 2026, $14 above its previous month's forecast, because it assumes Middle East oil flows "remain constrained" through the quarter. It expects most of the region's production to return to pre-conflict levels by the end of June 2027 and forecasts Brent at $87 by then. These are forecasts, and the EIA itself warns of continued volatility.

A fall in oil would also leave tickets already sold untouched, and Delta held $9.56 billion for tickets sold but not yet flown at September 30, its balance sheet shows. For next year, Delta said it remains on track for low-single-digit growth in costs per seat mile "as capacity normalizes," without giving a capacity figure.

Several releases in the coming weeks will show whether the story is turning. The government's September airfare index on October 14 will show whether the 12-month rise keeps easing from May's 26.7%. The EIA's weekly and monthly jet fuel prices will show whether September's $4.39 is a peak. United's and American's next quarterly reports will show whether other airlines are also adding fewer seats for the holidays. For Delta itself, a capacity plan for 2027 that adds main cabin seats back would be a clear sign of more economy seats on sale.

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