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BFI to CYS: distance & flight time
Seattle (Boeing Field King County International Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
967 mi
1,556 km · 840 nm
2h 34m
estimated nonstop flight time
+1h
time difference · heading east
See live BFI→CYS fares Phone-only fares on this route — call free
Flight time details
967 miles nonstop takes roughly 2h 34m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
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
Frequently asked questions
How far is BFI from CYS?
The flight distance from Seattle (BFI) to Cheyenne (CYS) is 967 miles (1,556 km, 840 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to CYS?
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 Seattle and Cheyenne?
Cheyenne is 1 hour ahead of Seattle.
What is the cheapest way to fly from BFI to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–CYS that never appear on search engines, with no booking fees.