Need help booking?
Unpublished phone-only deals available
PTA to OBU: distance & flight time
Port alsworth (Port Alsworth Airport) → Kobuk (Kobuk Airport)
470 mi
757 km · 409 nm
1h 29m
estimated nonstop flight time
Same time
time difference · heading north
See live PTA→OBU fares Phone-only fares on this route — call free
Flight time details
470 miles nonstop takes roughly 1h 29m gate to gate, flying north. 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
- PTA — Port Alsworth Airport · Port alsworth, United States
- OBU — Kobuk Airport · Kobuk, 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 PTA
- NNL · Nondalton Airport23 mi away
- ILI · Iliamna Airport37 mi away
- BMX · Big Mountain Airport67 mi away
- SVW · Sparrevohn LRRS Airport75 mi away
Near OBU
- SHG · Shungnak Airport7 mi away
- ABL · Ambler Airport29 mi away
- HSL · Huslia Airport85 mi away
- WLK · Selawik Airport87 mi away
Frequently asked questions
How far is PTA from OBU?
The flight distance from Port alsworth (PTA) to Kobuk (OBU) is 470 miles (757 km, 409 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTA to OBU?
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 PTA to OBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTA–OBU that never appear on search engines, with no booking fees.