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Aer Lingus vs Japan Airlines Business Class Comparison

Aer Lingus Japan Airlines
Rating 7/10 9/10
Seat type Lie-flat Sky Suite III with Privacy Doors
Lie-flat Yes Yes
Seat width 21 inches 23 inches
Alliance Oneworld
IATA EI JL
Hubs Dublin (DUB) Tokyo Haneda Airport (HND), Tokyo Narita Airport (NRT)

Aer Lingus — Pros & Cons

  • + US pre-clearance in Dublin saves time at arrival
  • + Competitive transatlantic pricing
  • + Good connectivity to Europe
  • Only A330 for long-haul
  • No alliance (partner of IAG)
  • Lounge at Dublin basic

Japan Airlines — Pros & Cons

  • + Sky Suite offers excellent privacy
  • + Outstanding Japanese service
  • + Premium lounges with dining
  • Premium pricing
  • Some older 787 cabins without doors
  • Limited US destinations

The verdict

Japan Airlines takes the edge with a 9/10 rating compared to 7/10 for Aer Lingus. Japan Airlines stands out with its Sky Suite III with Privacy Doors, while Aer Lingus offers Lie-flat. Both airlines provide lie-flat business class seats, so the best choice depends on your route, schedule, and personal preferences.

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