CabinScoreCabinScore

Fleet breakdown

Korean Air 777-300ER Business Class

CabinScore has measured 3 physically different business-class cabins that Korean Air flies on the 777-300ER — rated 9.2, 8.1 and 5.3 out of 10 — and booking sites sell every one of them as the same “Business” fare. Your route decides which one you board.

The Versions, Ranked3 versions · 5 tracked routes

01

Prestige Suites 2.0

53cm wide · 201cm bed · direct aisle access

9.2Exceptional
Korean Air Prestige Suites 2.0 cabin on the 777-300ER

Forward-facing staggered business suite in a 1-2-1 layout with direct aisle access for every passenger and a fully flat bed of roughly 79 inches. Each suite has a closing privacy door and tall (~52 in) partitions for a genuinely enclosed space, plus a large 24-inch UHD screen and wireless charging.

Spot it

  • Closing suite door plus tall partitions
  • 2024-retrofit Prestige Suites 2.0 product
  • Oversized 24-inch UHD screen and wireless charging
1-2-1Layout
53cmWidth
201cmBed
Seat Dimensions8.8
Cabin Density9.2
Privacy10.0
Product Age2 years old
Direct Aisle AccessYes
Where it flies1 route
ICN → SINSeoul – Singapore28%

Cabin plan

78910111213141516FWD ◄
02

Prestige Class (Prestige Suites)

53cm wide · 185cm bed · direct aisle access

8.1Elevated
Korean Air Prestige Class (Prestige Suites) cabin on the 777-300ER

Korean Air's legacy 777-300ER Prestige Class is the Collins Aerospace (formerly B/E) Apex Suite — marketed as Prestige Suites — in a staggered 2-2-2 layout with 42 seats. Window seats sit offset behind the adjacent aisle seat, creating a private corridor that gives every seat direct aisle access.

Spot it

  • Staggered 2-2-2 where window seats sit aft of the aisle seat with their own corridor
  • Collins Aerospace (B/E) Apex Suite — same seat as Korean Air's 787-9 Prestige cabin
  • No suite door — high shells and dividers instead
2-2-2Layout
53cmWidth
185cmBed
190cmPitch
Seat Dimensions8.5
Cabin Density6.1
Privacy7.5
Product Age11 years old
Direct Aisle AccessYes
Where it flies4 routes
ATL → ICNAtlanta – Seoul100%ICN → LHRSeoul – London57%ICN → NYCSeoul – New York City51%ICN → SINSeoul – Singapore29%

Cabin plan

78910111213FWD ◄
03

Prestige Class (Prestige Sleeper)

51cm wide · 185cm bed · no direct aisle access

5.3Lacking
Korean Air Prestige Class (Prestige Sleeper) cabin on the 777-300ER

Korean Air's oldest 777-300ER business cabin, the Prestige Sleeper, is a fully flat 180-degree bed seat in a 2-3-2 layout with 56 seats. Seats are 20.1 inches (51 cm) wide with a 74-inch (188 cm) pitch and convert to a flat bed of 73 inches (185 cm).

Spot it

  • Straight 2-3-2 rows with a middle seat — no stagger, no corridor
  • Open cabin with low dividers; no shells or doors
  • Smaller 15.4-inch screens and USB-A power
2-3-2Layout
51cmWidth
185cmBed
188cmPitch
Seat Dimensions8.3
Cabin Density5.3
Privacy4.0
Product Age17 years old
Direct Aisle AccessNo
Where it flies3 routes
ICN → LHRSeoul – London43%FRA → ICNFrankfurt am Main – Seoul34%ICN → SINSeoul – Singapore10%

Cabin plan

7891011121314FWD ◄

Route shares are the share of Korean Air's observed flying on a tracked route that is this cabin, resolved from flight history to individual registrations. They describe the routes we track, not Korean Air's whole 777-300ER fleet — a version we haven't measured would not appear here at all.

Related