
Keep Climbing
Delta One Business Class features a lie-flat bed with direct aisle access on international routes, branded with the Westin Heavenly Bed mattress and a Tumi amenity kit. The Delta One Suite on A350 aircraft goes further with an enclosed sliding door, making it one of the most private business class products from a US carrier.
Premium Cabins
Business Class
78 inches
Flat bed length
22 inches
Seat width
Lie-flat bed with direct aisle access on international routes, herringbone layout
Seat type
First Class
80 inches
Flat bed length
23 inches
Seat width
Enclosed suite with sliding privacy door on Airbus A350-900 aircraft
Seat type
Fares
New York JFK → London Heathrow
7h 10m · Delta One
from £2,100
View DealsNew York JFK → Paris CDG
7h 30m · Delta One
from £1,850
View DealsNew York JFK → Tokyo Narita
14h 00m · Delta One
from £3,200
View DealsNew York JFK → Los Angeles
5h 30m · First Class (domestic)
from £600
View DealsAtlanta → London Heathrow
9h 10m · Delta One
from £1,950
View DealsLoyalty Programme
SkyTeam · Currency: Delta SkyMiles
LHR → DXB · Business
3,000
Delta SkyMiles
LHR → JFK · Business
3,450
Delta SkyMiles
Sweet Spot
Redeem SkyMiles via Flying Blue partner awards for transatlantic Business Class — often better value than Delta's own variable pricing model
Status Tiers
Key Partners
Terminal 4
Delta's flagship lounge exclusively for Delta One passengers — full à la carte restaurant, craft cocktail bar, spa treatment rooms, and tranquil rest areas
Terminal 4
Large and modern Sky Club with hot buffet, bar, shower suites, and workspace — accessible to Delta One and SkyMiles Medallion members
Multiple concourses
Delta's home hub with Sky Clubs on every concourse — notably the T concourse Sky Club with outdoor terrace and restaurant-quality buffet
Delta One Lounge at JFK Terminal 4 is among the best US carrier lounges — book spa treatments in advance
A350 Suites with sliding doors are worth requesting specifically — check aircraft on the route before booking
Book transatlantic awards via Flying Blue (Air France/KLM) for more predictable pricing and better availability
Delta Comfort+ is a worthwhile upgrade for US domestic connections — extra legroom and early boarding
Fleet
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Compare business and first class fares across all Delta Air Lines routes.
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