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CYS to SYD: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Sydney (Sydney Kingsford Smith International Airport)
8,377 mi
13,482 km · 7,280 nm
16h 54m
estimated nonstop flight time
+16h
time difference · heading west
See live CYS→SYD fares Phone-only fares on this route — call free
Flight time details
8,377 miles nonstop takes roughly 16h 54m 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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 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 CYS from SYD?
The flight distance from Cheyenne (CYS) to Sydney (SYD) is 8,377 miles (13,482 km, 7,280 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to SYD?
A nonstop flight takes about 16h 54m 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 Cheyenne and Sydney?
Sydney is 16 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to SYD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–SYD that never appear on search engines, with no booking fees.