Need help booking?
Unpublished phone-only deals available
CYS to SEA: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Seattle (Seattle Tacoma International Airport)
965 mi
1,554 km · 839 nm
2h 34m
estimated nonstop flight time
-1h
time difference · heading northwest
See live CYS→SEA fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- SEA — Seattle Tacoma International Airport · Seattle, 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 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 SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is CYS from SEA?
The flight distance from Cheyenne (CYS) to Seattle (SEA) is 965 miles (1,554 km, 839 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to SEA?
A nonstop flight takes about 2h 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 Cheyenne and Seattle?
Seattle is 1 hour behind Cheyenne.
What is the cheapest way to fly from CYS to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–SEA that never appear on search engines, with no booking fees.