How Many Seats on a Boeing 787 Dreamliner?
All three 787 variants use the same 3-3-3 economy layout (9 abreast). The Dreamliner is known for larger windows, lower cabin altitude, and higher humidity.
| Variant | Typical seats | Common operators |
|---|---|---|
| 787-8 | 242 | United, Japan Airlines, ANA |
| 787-9 | 296 | United, Delta, Singapore Airlines, ANA |
| 787-10 | 330 | United, Singapore Airlines |
787 economy seats are ~17.5 inches wide — slightly wider than a 10-abreast 777. Cabin altitude is 6,000 ft vs 8,000 ft on older jets.
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