Need help booking?
Unpublished phone-only deals available
TTD to GTF: distance & flight time
Troutdale (Portland Troutdale Airport) → Great Falls (Great Falls International Airport)
541 mi
870 km · 470 nm
1h 39m
estimated nonstop flight time
+1h
time difference · heading east
See live TTD→GTF fares Phone-only fares on this route — call free
Flight time details
541 miles nonstop takes roughly 1h 39m 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
- TTD — Portland Troutdale Airport · Troutdale, United States
- 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 TTD
- PDX · Portland International Airport10 mi away
- HIO · Portland Hillsboro Airport27 mi away
- KLS · Southwest Washington Regional Airport46 mi away
- SLE · Salem Municipal Airport/McNary Field53 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 TTD from GTF?
The flight distance from Troutdale (TTD) to Great Falls (GTF) is 541 miles (870 km, 470 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TTD to GTF?
A nonstop flight takes about 1h 39m 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 Troutdale and Great Falls?
Great Falls is 1 hour ahead of Troutdale.
What is the cheapest way to fly from TTD to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TTD–GTF that never appear on search engines, with no booking fees.