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CYF to KYU: distance & flight time
Chefornak (Chefornak Airport) → Koyukuk (Koyukuk Airport)
387 mi
623 km · 337 nm
1h 29m
estimated nonstop flight time
Same time
time difference · heading northeast
See live CYF→KYU fares Phone-only fares on this route — call free
Flight time details
387 miles nonstop takes roughly 1h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CYF — Chefornak Airport · Chefornak, United States
- KYU — Koyukuk Airport · Koyukuk, 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 CYF
- KPN · Kipnuk Airport17 mi away
- NME · Nightmute Airport26 mi away
- OOK · Toksook Bay Airport39 mi away
- KWK · Kwigillingok Airport43 mi away
Near KYU
- NUL · Nulato Airport14 mi away
- GAL · Edward G. Pitka Sr Airport25 mi away
- KAL · Kaltag Airport49 mi away
- RBY · Ruby Airport67 mi away
Frequently asked questions
How far is CYF from KYU?
The flight distance from Chefornak (CYF) to Koyukuk (KYU) is 387 miles (623 km, 337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYF to KYU?
A nonstop flight takes about 1h 29m 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 cheapest way to fly from CYF to KYU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYF–KYU that never appear on search engines, with no booking fees.