Business class seat width varies more across airlines than most passengers realize. The difference between the narrowest and widest seats on this list is nearly 18 inches (46 cm), a gap large enough to reflect two fundamentally different approaches to what a business class cabin should prioritize.
Some airlines have invested that space into enclosed suites with closing doors. Others have used it to build the widest possible seat in an open cabin. Both approaches have trade-offs, and the right choice depends on whether a passenger values privacy or physical space more on a long-haul flight.
The six airlines on this list represent the most spacious business class products currently flying, measured by seat width, bed dimensions, and overall suite design. Raw width is the simplest metric, but not the only one that matters. A narrow seat inside a fully enclosed suite can feel more spacious than a wider seat in an open cabin, and several entries here earn their place on design rather than dimensions alone.
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