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GTF to TTD: distance & flight time
Great Falls (Great Falls International Airport) → Troutdale (Portland Troutdale Airport)
541 mi
870 km · 470 nm
1h 39m
estimated nonstop flight time
-1h
time difference · heading west
See live GTF→TTD fares Phone-only fares on this route — call free
Flight time details
541 miles nonstop takes roughly 1h 39m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- TTD — Portland Troutdale Airport · Troutdale, 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 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
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
Frequently asked questions
How far is GTF from TTD?
The flight distance from Great Falls (GTF) to Troutdale (TTD) is 541 miles (870 km, 470 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to TTD?
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 Great Falls and Troutdale?
Troutdale is 1 hour behind Great Falls.
What is the cheapest way to fly from GTF to TTD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–TTD that never appear on search engines, with no booking fees.