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ORD to SYD: distance & flight time
Chicago (Chicago O'Hare International Airport) → Sydney (Sydney Kingsford Smith International Airport)
9,235 mi
14,862 km · 8,025 nm
18h 34m
estimated nonstop flight time
+15h
time difference · heading west
See live ORD→SYD fares Phone-only fares on this route — call free
Flight time details
9,235 miles nonstop takes roughly 18h 34m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from SYD?
The flight distance from Chicago (ORD) to Sydney (SYD) is 9,235 miles (14,862 km, 8,025 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to SYD?
A nonstop flight takes about 18h 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 Chicago and Sydney?
Sydney is 15 hours ahead of Chicago.
What is the cheapest way to fly from ORD to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–SYD that never appear on search engines, with no booking fees.