As the aviation industry continues to push the boundaries of cost-efficiency, airlines are increasingly prioritizing seat density over passenger comfort. In 2026, Ryanair and French Bee have emerged as the front-runners in this trend, configuring their aircraft to accommodate an unprecedented number of economy class passengers.

High-Density Configurations on Narrowbody and Widebody Aircraft

The topic of highly dense aircraft seating can be divided into narrowbody and widebody aircraft. The vast majority of low-cost and ultra-low-cost carriers overwhelmingly use the Boeing 737 and the Airbus A320 families, which are designed to seat six passengers abreast. There is essentially no variance in the industry between mainline and low-cost carriers in how many economy class seats are abreast on these aircraft. With narrowbody aircraft, the economy density factor is essentially just a matter of seat pitch.

The widebody A350 aircraft is where this can change. Low-cost carriers can squeeze passengers from side to side as well as front to back. A few airlines in Asia still configure their Boeing 777s as nine-abreast, while Japan Airlines is now alone in still having Boeing 787 Dreamliners configured eight-abreast in economy.

Ryanair’s Boeing 737 MAX 8-200s

Ryanair has no leeway in how many passengers it seats abreast in economy. The airline may have less space between the armrests, but this is due to wider armrests and possibly a slightly wider aisle. However, the airline reduces its premium seats that offer more room, thereby taking up more space. On the MAX 8, it is possible to pack in more seats than the aircraft is legally certified to carry because of exit limits.

Aircraft must be able to demonstrate that they can evacuate the aircraft in 90 seconds in an emergency. The workaround was Boeing developing the MAX 8-200 for Ryanair, which has since been selected by other low-cost airliners around the world. The main difference between the MAX 8-200 and the MAX 8 is the addition of more exits, allowing the aircraft to accommodate more passengers but still evacuate them in 90 seconds in an emergency.

In theory, the aircraft can carry 210 passengers (including crew), and this is what Boeing advertises. In practice, EASA doesn’t actually provide certification for that many, and Ryanair configures them with 197 seats plus 6-8 crew.

Ten-Abreast A350-1000s

The Airbus A350 was designed to comfortably seat nine passengers abreast in economy class, although it is capable of seating ten abreast. The wider Boeing 777 was also designed for comfortable nine-abreast seating, but these days almost all 777s are seated 10 abreast in economy. The 777 can more easily do this as it is a wider aircraft compared with the A350.

Airbus produced a new production standard that allowed for an extra four inches in internal cabin width. This increased the cabin width from 15 feet and five inches (5.61 meters) to 18 feet and nine inches (5.71 meters). The extra inches make it easier for airlines to configure their aircraft 10-abreast. However, there are only three airlines that configure their A350-1000s ten-abreast, and two of them are using the old production standard, meaning it is quite squishy in there.

Airlines are responding to competing demands and trends in the aviation industry. One demand is for the lowest possible fares, even at the expense of comfort. This has led to the explosion of low-cost and ultra-low-cost carriers over the last couple of decades. The other trend has been for comfortable seating that avoids the expense of luxury. This has given rise to premium economy.

The only two airlines to configure their old production standard A350-1000s ten-abreast are French Bee, a low-cost French leisure airline, and Air Caraïbes, a low-cost French West Indian leisure airline. Air Caraïbes is a sister airline to Free Bee under Groupe Dubreuil. These are also the only two airlines to configure the shorter (but same-width) Airbus A350-900s 10-abreast in economy class. The airlines fly transatlantic routes between Paris and the Caribbean or across the Pacific to Tahiti, as well as other long-haul leisure destinations.

French Bee configures its four A350-900s with a total of 411 seats, including 376 economy class seats and 35 premium economy seats. The maximum certified seating density of the -900 is 440 seats. Air Caraïbes configures its three A350-900s with a total of 389 seats. 326 of these are economy class seats, 45 seats are premium economy class seats, and the remaining 18 seats are business class seats. These are pre-new production standard aircraft.

Select high-density airlines (per AeroLOPA) are leading the charge in this space. Ryanair’s Boeing 737 MAX 8-200s are configured with 197 seats. French Bee’s A350-1000s are configured with a total of 480 seats, of which 440 are economy class seats, and 40 are premium economy seats. Air Caraïbes’s four A350-1000s are configured with 360 economy class seats, 45 premium economy, and 24 business class seats for a total of 429 seats. This means that French Bee’s A350-1000s are the only examples to be actually configured with their maximum certified 480 seating configuration.

Philippine Airlines stands out for being the only mainline flag carrier to configure its A350-1000s 10-abreast. The carrier also has a fleet of A350-900s, but these are configured with the standard nine-abreast. However, one difference is that at least these A350-1000s are the new production standard, providing four extra inches in width. This allows Philippine Airlines to provide seat widths of around 17 inches, compared to 16-16.7 inches on French Bee and Air Caraïbes.

Cebu Pacific, based in the Philippines, has the record for the most densely seated A330s ever put into operation. Its eight A330-900s (A330neos) are configured with 459 seats in an all-economy layout. The A330 is narrower than the A350 and so can’t feasibly seat 10-abreast; these are configured nine-abreast.

As the industry moves forward, the trend of maximizing seat density is likely to continue, driven by the demand for lower fares and the need to remain competitive in a crowded market. With airlines like Ryanair and French Bee pushing the envelope, passengers may face even more cramped conditions in the coming years.