Need help booking?
Unpublished phone-only deals available
SYD to BUF: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Buffalo (Buffalo Niagara International Airport)
9,707 mi
15,622 km · 8,435 nm
19h 30m
estimated nonstop flight time
-14h
time difference · heading northeast
See live SYD→BUF fares Phone-only fares on this route — call free
Flight time details
9,707 miles nonstop takes roughly 19h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
- BUF — Buffalo Niagara International Airport · Buffalo, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is SYD from BUF?
The flight distance from Sydney (SYD) to Buffalo (BUF) is 9,707 miles (15,622 km, 8,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to BUF?
A nonstop flight takes about 19h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sydney and Buffalo?
Buffalo is 14 hours behind Sydney.
What is the cheapest way to fly from SYD to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–BUF that never appear on search engines, with no booking fees.