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WBU to SYD: distance & flight time
Boulder (Boulder Municipal Airport) → Sydney (Sydney Kingsford Smith International Airport)
8,330 mi
13,406 km · 7,239 nm
16h 48m
estimated nonstop flight time
+16h
time difference · heading west
See live WBU→SYD fares Phone-only fares on this route — call free
Flight time details
8,330 miles nonstop takes roughly 16h 48m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- SYD — Sydney Kingsford Smith International Airport · Sydney, Australia
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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Near SYD
- BWU · Sydney Bankstown Airport11 mi away
- CDU · Camden Airport29 mi away
- XRH · RAAF Base Richmond33 mi away
- WOL · Wollongong Airport48 mi away
Frequently asked questions
How far is WBU from SYD?
The flight distance from Boulder (WBU) to Sydney (SYD) is 8,330 miles (13,406 km, 7,239 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SYD?
A nonstop flight takes about 16h 48m 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 Boulder and Sydney?
Sydney is 16 hours ahead of Boulder.
What is the cheapest way to fly from WBU to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SYD that never appear on search engines, with no booking fees.