✈ BOS → SYD
20H 6M IN ECONOMY = A FELONY AGAINST YOURSELF. UPGRADE.
Flight from Boston to Sydney
From Logan (BOS), USA North America → Kingsford Smith (SYD), Australia Oceania
↔ Flying the other way? Sydney → Boston
How long is the flight from Boston to Sydney?
A nonstop flight from Boston (BOS) to Sydney (SYD) takes about 20 hours 6 minutes, covering a great-circle distance of 10,097 miles (16,250 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
20h 6m
Nonstop, scheduled
Distance
10,097 mi
16,250 km · great-circle
Avg speed
809 km/h
Door-to-door including taxi
Time zones & jet lag
Boston timezone
UTC-4
America/New_York
Sydney timezone
UTC+10
Australia/Sydney
Time difference
+14h
14 hours ahead
Jet lag (rough)
~14d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.
Flights from Boston
Nearest destinations
- Boston → New York
- Boston → Toronto
- Boston → Chicago
- Boston → Atlanta
- Boston → Miami
- Boston → Dallas
- Boston → Cancun
- Boston → Mexico City
- Boston → Las Vegas
- Boston → Seattle
Long-haul from Boston
Flights to Sydney
Nearest origins
- Melbourne → Sydney
- Auckland → Sydney
- Bali (Denpasar) → Sydney
- Manila → Sydney
- Singapore → Sydney
- Kuala Lumpur → Sydney
- Taipei → Sydney
- Hong Kong → Sydney
- Bangkok → Sydney
- Osaka → Sydney
Long-haul to Sydney
- Lisbon → Sydney
- Casablanca → Sydney
- Madrid → Sydney
- Dublin → Sydney
- Barcelona → Sydney
- London → Sydney
- Manchester → Sydney
- Paris → Sydney
- Edinburgh → Sydney
- Brussels → Sydney