Need help booking?
Unpublished phone-only deals available
PTJ to GTF: distance & flight time
Portland (Portland Airport) → Great Falls (Great Falls International Airport)
8,833 mi
14,215 km · 7,675 nm
17h 47m
estimated nonstop flight time
-16h
time difference · heading northeast
See live PTJ→GTF fares Phone-only fares on this route — call free
Flight time details
8,833 miles nonstop takes roughly 17h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- PTJ — Portland Airport · Portland, Australia
- GTF — Great Falls International Airport · Great Falls, 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 PTJ
- WMB · Warrnambool Airport53 mi away
- MGB · Mount Gambier Airport54 mi away
- HLT · Hamilton Airport56 mi away
- NAC · Naracoorte Airport101 mi away
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is PTJ from GTF?
The flight distance from Portland (PTJ) to Great Falls (GTF) is 8,833 miles (14,215 km, 7,675 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTJ to GTF?
A nonstop flight takes about 17h 47m 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 Portland and Great Falls?
Great Falls is 16 hours behind Portland.
What is the cheapest way to fly from PTJ to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTJ–GTF that never appear on search engines, with no booking fees.