Need help booking?
Unpublished phone-only deals available
CYS to ZEM: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Eastmain River (Eastmain River Airport)
1,450 mi
2,333 km · 1,260 nm
3h 37m
estimated nonstop flight time
+2h
time difference · heading northeast
See live CYS→ZEM fares Phone-only fares on this route — call free
Flight time details
1,450 miles nonstop takes roughly 3h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- ZEM — Eastmain River Airport · Eastmain River, Canada
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 ZEM
- YKQ · Waskaganish Airport53 mi away
- YNC · Wemindji Airport56 mi away
- YGL · La Grande Rivière Airport102 mi away
- YNS · Nemiscau Airport108 mi away
Frequently asked questions
How far is CYS from ZEM?
The flight distance from Cheyenne (CYS) to Eastmain River (ZEM) is 1,450 miles (2,333 km, 1,260 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to ZEM?
A nonstop flight takes about 3h 37m 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 Eastmain River?
Eastmain River is 2 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to ZEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–ZEM that never appear on search engines, with no booking fees.