
St. Louis → Sydney
A private flight from St. Louis to Sydney covers 7,859 nautical miles (14,555 km) and takes about 33h 37m in a turboprop. For 4 passengers, expect roughly $130K – $194K one-way — about $40,479 per seat.
Price by aircraft class · 4 passengers
| Aircraft class | Non-stop? | Flight time | One-way | Round trip, same day | Round trip, 2–3 days | Per seat (one-way) | CO₂ / pax |
|---|---|---|---|---|---|---|---|
| Turboprop King Air 360, PC-12 · up to 8 seats | 7 fuel stops | 33h 37m | $130K – $194K | $204K – $271K | $210K – $284K | $40,479 | 4,826 kg |
| Very light jet Phenom 100, Vision Jet, HondaJet · up to 5 seats | 8 fuel stops | 27h 32m | $124K – $178K | $196K – $251K | $202K – $264K | $37,792 | 5,271 kg |
| Light jet Phenom 300E, CJ4, PC-24 · up to 7 seats | 5 fuel stops | 22h 46m | $143K – $209K | $225K – $294K | $232K – $311K | $44,012 | 8,169 kg |
| Midsize jet Citation XLS, Praetor 500, Learjet 75 · up to 8 seats | 3 fuel stops | 20h 25m | $169K – $247K | $263K – $346K | $272K – $367K | $51,982 | 11,232 kg |
| Super-midsize jet Challenger 3500, Praetor 600, Longitude · up to 9 seats | 2 fuel stops | 18h 53m | $194K – $284K | $301K – $397K | $312K – $422K | $59,726 | 12,651 kg |
| Large jet Challenger 650, Falcon 2000, G450 · up to 12 seats | 2 fuel stops | 18h 31m | $242K – $377K | $377K – $526K | $389K – $558K | $77,334 | 15,509 kg |
| Ultra-long-range jet G650ER, Global 7500, Falcon 8X · up to 14 seats | 1 fuel stop | 17h 05m | $279K – $435K | $433K – $606K | $448K – $645K | $89,234 | 19,625 kg |
| VIP airliner BBJ, ACJ320neo · up to 19 seats | 1 fuel stop | 18h 08m | $447K – $816K | $696K – $1,136K | $717K – $1,201K | $157,824 | 39,049 kg |
Editorial estimates from 2026 benchmark hourly rates; greyed classes are too small for your party. One-way prices include a share of the empty return leg; “2–3 days” adds crew overnights and daily minimums. Peak dates run 20–40% higher; empty legs can be 50–75% lower. How charter pricing works →
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Aircraft that fly St. Louis–Sydney non-stop

St. Louis: where you’d land
- Spirit of St. Louis Airport KSUS
Business-aviation airport · 7,485 ft runway · 35 min to centre · customs · 24h
Sydney: where you’d land
- Bankstown Airport YSBK
Business-aviation airport · 4,646 ft runway · 35 min to centre · customs - Sydney Kingsford Smith Airport YSSY
Major hub · 13,000 ft runway · 20 min to centre · customs
Private vs airline vs first class on this route
| Door to door | CO₂ / passenger | Price per seat | |
|---|---|---|---|
| Private (turboprop) | 34.6 h | 4,826 kg | $40,479 |
| Airline, economy | 20.6 h | 1455 kg | Typically $1,747–$4,366 |
| Airline, first / business | 20.1 h | 5822 kg | Typically $7,277–$17,466 |
Door-to-door assumes 15 minutes at the private terminal vs 2.5 hours for airline check-in and security. Airline fares are indicative ranges by distance, not live prices.