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SYD to IAD: distance & flight time
Sydney (Sydney Kingsford Smith International Airport) → Washington (Washington Dulles International Airport)
9,744 mi
15,681 km · 8,467 nm
19h 34m
estimated nonstop flight time
-14h
time difference · heading east
See live SYD→IAD fares Phone-only fares on this route — call free
Flight time details
9,744 miles nonstop takes roughly 19h 34m gate to gate, flying east. 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
- IAD — Washington Dulles International Airport · Washington, 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
Frequently asked questions
How far is SYD from IAD?
The flight distance from Sydney (SYD) to Washington (IAD) is 9,744 miles (15,681 km, 8,467 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYD to IAD?
A nonstop flight takes about 19h 34m 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 Washington?
Washington is 14 hours behind Sydney.
What is the cheapest way to fly from SYD to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYD–IAD that never appear on search engines, with no booking fees.