6 Biggest Private Jets in the Sky

When evaluating the largest private jets in operation, it is critical to distinguish between VIP airliner conversions and purpose-built business jets. A reader could easily assume a BBJ 747-8 is a normal charter option, which is not accurate for how that market actually works.

Tier 1: VIP Airliner Conversions (Largest Overall, Limited Charter Access)

1. Boeing BBJ 747-8 – ~4,700–5,100 sq ft (Widely cited as the largest private aircraft; largely government/head-of-state use)
2. Airbus ACJ350 – ~2,900–3,300 sq ft (Up to 22-hour nonstop range)
3. Boeing BBJ 787 – ~2,400 sq ft (Nonstop capability over 17 hours)

These aircraft are overwhelmingly operated by governments and ultra-wealthy private owners. A handful can be chartered through specialist brokers, but this is a different market from standard private jet booking.

Tier 2: Largest Purpose-Built Business Jets (Realistic Charter Fleet)

1. Bombardier Global 7500 – 2,786 cu ft (Largest cabin volume of any non-converted business jet)
2. Gulfstream G700 – Longest cabin among purpose-built jets (~56.9 ft length, up to 17–19 passengers)
3. Bombardier Global 8000 – Comparable to Global 7500's class (Newest ultra-long-range flagship)
4. Bombardier Global 6500 – ~2,137 cu ft

These aircraft sit in normal charter fleet inventory and can be realistically booked through standard private aviation channels.

Cabin figures vary by configuration and measurement method. To get tailored cost estimates for your route, use the StratosIQ Haversine Cost Calculator to explore pricing based on your specific travel plans.