First Class vs Business Class: What You Actually Get

On a long-haul international flight, first class is the small, private cabin above business class: usually a suite with a door, service on demand, and a fare that can run about twice as high. Business class gets you a lie-flat seat, increasingly with a door of its own, for roughly half the price.

On a US domestic flight, the words mean something else. “First class” there is usually a wider recliner with no bed, which puts it below international business class, not above it.

Below, the three are compared on the seat, the space, the service, the airport and the price, using the airlines’ own cabin specs as of September 2026. For how the fare classes and booking codes fit together, see our guide to types of flight classes and their codes.

The seat and the bed

Both international cabins give you a bed. The difference is what surrounds it. Business class is a lie-flat seat, while first class is usually a suite with walls and a door.

Singapore Airlines shows the gap most clearly. On its A380, a Suites passenger gets a 21-inch (53 cm) swivel armchair and a separate 76-inch (193 cm) bed, plus a 32-inch screen. Book two adjoining Suites and the divider drops to make a double bed.

Business class on the same plane is a 25-inch (64 cm) seat that folds into a 78-inch (198 cm) flat bed, with an 18-inch screen. That bed is two inches longer than the Suites bed. What first buys is a room, not a longer mattress.

Lufthansa’s new Allegris first class on the Airbus A350-900 follows the same idea. Its two single suites have ceiling-high walls and a lockable door, seats nearly 39 inches (1 m) wide, and a bed more than 6.5 feet (2 m) long. A third, the Suite Plus, seats two and converts into a double bed.

The takeaway: business class gets you a flat bed; first class gets you a private room around one.

How rare first class is

First class is a small cabin, even on the biggest jets. Emirates’ four-class Airbus A380 carries 14 First Class suites and 76 lie-flat Business Class seats, out of 484 seats in total.

That is 5.4 business seats for every first class suite, and first class is under 3% of the aircraft. Singapore’s A380 is starker still: 6 Suites against 78 business seats, or 13 to 1, out of 471 seats.

That scarcity is the product. With a handful of passengers per cabin, the crew can serve each one individually, which is where most of the service gap below comes from.

The takeaway: business class is the premium cabin most long-haul passengers will actually sit in; first class is a few seats at the very front.

Food, service and onboard extras

Both international cabins serve full meals. The usual difference, is that service in first is on demand: you eat what you want, when you want it, rather than when the cart comes round.

Some airlines add hardware that only first class can use. On the Emirates A380, First Class passengers get the onboard Shower Spa, a private suite with sliding doors and a personal minibar.

Emirates also shows how much business class now shares. Its A380 Onboard Lounge is open to Business Class too, and it offers chauffeur-drive to both First and Business Class customers.

The takeaway: first class adds personal, on-demand service and a few first-only extras; the meal itself is often closer than the price gap suggests.

Lounges and the airport

Both international cabins usually come with priority check-in and boarding, plus lounge access. Some airlines that still sell first class, such as Emirates, keep separate First Class and Business Class lounges.

Lufthansa goes furthest. Its first class passengers get their own renovated check-in areas at Frankfurt and Munich and a redesigned First Class Lounge at Munich.

At Delta, where business class is the top long-haul cabin, the best ground experience belongs to Delta One. Its passengers get dedicated check-in and security at Delta’s hubs, priority boarding and access to Delta One lounges at New York JFK, Boston, Los Angeles and Seattle.

The takeaway: first class adds a second, quieter lounge tier at some airlines; at US airlines, business class gets the best of the ground experience.

Price: what first costs over business

Booking.com puts a New York to London round trip at $4,000 to $6,000 in business class and $8,000 to $15,000 in first. On those ranges, first costs about 2 to 2.5 times as much on the same route.

The multiple varies. Booking.com says first class generally costs one and a half to five times more than business, and Simple Flying puts long-haul first at around $5,000 to $15,000 round trip.

Why so much more for a few extra square feet is its own story, told in what a first class seat actually costs the airline to sell you.

The takeaway: on a typical long-haul route, expect first class to cost roughly double business class, and sometimes far more.

Who still sells first class

Fewer airlines every year. United announced its move to a two-cabin international product on June 2, 2016, alongside the launch of Polaris business class.

“As we update our fleet over the next several years to incorporate our signature United Polaris direct-aisle-access seating, we will be phasing out the first class cabin and moving toward a two-cabin experience for international travel.”

United Airlines, June 2016, as quoted by One Mile at a Time

American is next. It will stop selling Flagship First on its Boeing 777-300ER for travel from November 19, 2026, and on transcontinental routes from March 28, 2027. AirlineGeeks calls it the last long-haul international first class product at a US airline.

According to AirlineGeeks, American’s 777-300ER used to carry 8 first class and 52 business class seats. The retrofitted jet, which flew its first service from New York JFK to Buenos Aires on September 2, 2026, has 70 Flagship Suite seats with privacy doors and no first class. That is 10 more flat beds than before.

On transcons, AirlineGeeks reports that the Airbus A321XLR, with 20 Flagship Suite seats, is taking over from the A321T, which has 10 Flagship First and 20 business seats.

Some airlines are going the other way. In a March 2025 release on the new Allegris first class, Lufthansa Airlines CEO Jens Ritter said the airline was “completely reinventing the Lufthansa First Class travel experience with Allegris and making it even more exclusive.”

Emirates and Singapore Airlines still fly first class on their A380s, and our list of airlines still flying the A380 shows where the superjumbo goes.

The takeaway: outside the US, first class survives at a few premium airlines; inside the US, business class is now the top of the line.

US domestic first class is a different product

On most flights within the US, the front cabin is called first class, but it is closer to an old-style business class. Simple Flying describes a wider seat with up to 38 inches of pitch that is rarely a lie-flat bed, and says lounge access is rarely included.

Delta First is a typical example. Delta lists up to 8 inches more legroom than a Main seat, up to 5.4 inches of recline, and an 11-inch screen on many routes. Meals are served on flights of 900 miles or more, at select times below 2,300 miles.

On some long domestic routes, the front cabin is international business class instead. Delta sells Delta One, with 180-degree lie-flat seats, on international flights and select long-haul domestic routes.

So on a flight where you can choose, a business class ticket usually beats a domestic first class ticket. Check the seat map for “lie-flat” before you pay for the word “first”.

The takeaway: in the US, domestic first class sits below long-haul business class, whatever the name suggests.

The difference in one sentence

Business class sells you a flat bed; international first class sells you a private room around it, more personal service and a quieter airport, at roughly twice the fare, while US domestic first class is a recliner that sits below both.